阅读说明：本技术 内燃机型联合循环动力装置 (Internal combustion engine type combined cycle power plant ) 是由 李鸿瑞 李华玉 于 2021-07-23 设计创作，主要内容包括：本发明提供内燃机型联合循环动力装置,属于能源与动力技术领域。外部有空气通道与内燃机连通,外部还有燃料通道与内燃机连通,内燃机还有燃气通道经高温热交换器与外部连通；冷凝器有冷凝液管路经循环泵和内燃机与蒸发器连通之后蒸发器再有蒸汽通道与高温热交换器连通,压缩机有蒸汽通道与高温热交换器连通,高温热交换器还有蒸汽通道与膨胀机连通,膨胀机还有低压蒸汽通道与蒸发器连通之后蒸发器再有低压蒸汽通道分别与压缩机和第二膨胀机连通,第二膨胀机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通,内燃机、膨胀机和第二膨胀机连接压缩机并传输动力,形成内燃机型联合循环动力装置。(The invention provides an internal combustion engine type combined cycle power device, and belongs to the technical field of energy and power. The external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a circulating pump, an internal combustion engine and an evaporator are communicated, a steam channel of the evaporator is communicated with a high-temperature heat exchanger, a steam channel of the compressor is communicated with the high-temperature heat exchanger, a steam channel of the high-temperature heat exchanger is communicated with an expander, a low-pressure steam channel of the evaporator is communicated with the evaporator, a low-pressure steam channel of the evaporator is communicated with the compressor and a second expander respectively, and a low-pressure steam channel of the second expander is communicated with the condenser; the condenser is also provided with a cooling medium channel communicated with the outside, and the internal combustion engine, the expander and the second expander are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device.)

1. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the high-temperature heat exchanger (5) after the condensate pipeline is communicated with the evaporator (7) through a circulating pump (4) and an internal combustion engine (A), the compressor (1) is provided with a steam channel which is communicated with the high-temperature heat exchanger (5), the high-temperature heat exchanger (5) is also provided with a steam channel which is communicated with the expander (2), the expander (2) is also provided with a low-pressure steam channel, the evaporator (7) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the compressor (1) and the second expander (3) are respectively communicated, and the second expander (3) is also provided with a low-pressure steam channel which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and the circulating pump (4) and transmit power.

2. An internal combustion engine type combined cycle power device is characterized in that a high-temperature heat regenerator is added in the internal combustion engine type combined cycle power device disclosed by claim 1, a steam channel of an evaporator (7) is communicated with a high-temperature heat exchanger (5) and adjusted to be communicated with the high-temperature heat exchanger (5) through a steam channel of the evaporator (7) via the high-temperature heat regenerator (8), and a steam channel of a compressor (1) is communicated with the high-temperature heat exchanger (5) and adjusted to be communicated with the high-temperature heat exchanger (5) via the steam channel of the compressor (1) via the high-temperature heat regenerator (8), so that the internal combustion engine type combined cycle power device is formed.

3. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5) and an evaporator (7); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the high-temperature heat exchanger (5) after the condensate pipeline is communicated with the evaporator (7) through the circulating pump (4) and the internal combustion engine (A), the steam channel of the compressor (1) is communicated with the high-temperature heat exchanger (5), the steam channel of the high-temperature heat exchanger (5) is also communicated with the expander (2), the low-pressure steam channel of the expander (2) is communicated with the heat supply device (9), the low-pressure steam channel of the heat supply device (9) is respectively communicated with the compressor (1) and the second expander (3), and the low-pressure steam channel of the second expander (3) is also communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel communicated with the outside, the heat supply device (9) is also provided with a heated medium channel communicated with the outside, and the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and the circulating pump (4) and transmit power.

4. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a second high-temperature heat exchanger; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and a fuel gas channel of the internal combustion engine (A) is also communicated with the outside through a high-temperature heat exchanger (5) and a second high-temperature heat exchanger (10); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the high-temperature heat exchanger (5) after the condensate pipeline is communicated with the evaporator (7) through a circulating pump (4) and an internal combustion engine (A), the high-temperature heat exchanger (5) is also provided with a steam channel to be communicated with the expander (2), the compressor (1) is provided with a steam channel to be communicated with a second high-temperature heat exchanger (10), the second high-temperature heat exchanger (10) is also provided with a steam channel to be communicated with the expander (2) through a middle steam inlet channel, the expander (2) is also provided with a low-pressure steam channel, the evaporator (7) is also provided with a low-pressure steam channel to be communicated with the compressor (1) and the second expander (3) respectively, and the second expander (3) is also provided with a low-pressure steam channel to be communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and the circulating pump (4) and transmit power.

5. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the expander (2) through a middle steam inlet channel after the condensate pipeline is communicated with the evaporator (7) through a circulating pump (4) and an internal combustion engine (A), the compressor (1) is provided with a steam channel which is communicated with the expander (2) through a high-temperature heat exchanger (5), the expander (2) is also provided with a low-pressure steam channel, the evaporator (7) is also provided with a low-pressure steam channel after the evaporator (7) is communicated with the compressor (1) and the second expander (3), and the second expander (3) is also provided with a low-pressure steam channel which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and the circulating pump (4) and transmit power.

6. An internal combustion engine type combined cycle power device is characterized in that a high-temperature heat regenerator is added in the internal combustion engine type combined cycle power device disclosed by claim 5, a steam channel of a compressor (1) is communicated with an expander (2) through a high-temperature heat exchanger (5) and adjusted to be that the compressor (1) is communicated with the expander (2) through the high-temperature heat regenerator (8) and the high-temperature heat exchanger (5), a low-pressure steam channel of the expander (2) is communicated with an evaporator (7) and adjusted to be that the expander (2) is communicated with the evaporator (7) through the low-pressure steam channel of the high-temperature heat regenerator (8), and the internal combustion engine type combined cycle power device is formed.

7. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a third expander; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5); the condenser (6) is provided with a condensate pipeline, the condensate pipeline is communicated with the evaporator (7) through a circulating pump (4) and an internal combustion engine (A), then the evaporator (7) is further provided with a steam channel to be communicated with a third expander (11), the third expander (11) is also provided with a low-pressure steam channel to be communicated with the evaporator (7), the compressor (1) is provided with a steam channel to be communicated with the expander (2) through a high-temperature heat exchanger (5), the expander (2) is also provided with a low-pressure steam channel to be communicated with the evaporator (7), the evaporator (7) is also provided with a low-pressure steam channel to be respectively communicated with the compressor (1) and the second expander (3), and the second expander (3) is also provided with a low-pressure steam channel to be communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine (A), the expander (2), the second expander (3) and the third expander (11) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, the internal combustion engine (A), the expander (2), the second expander (3) and the third expander (11) are connected with the compressor (1) and the circulating pump (4) and transmit power.

8. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the high-temperature heat exchanger (5) after the condensate pipeline is communicated with the evaporator (7) through a circulating pump (4) and an internal combustion engine (A), the compressor (1) is provided with a steam channel which is communicated with the high-temperature heat exchanger (5), the high-temperature heat exchanger (5) is also provided with a steam channel which is communicated with the expander (2), the expander (2) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the evaporator (7) is also provided with a low-pressure steam channel which is communicated with the heat supplier (9), the heat supplier (9) is also provided with a low-pressure steam channel which is respectively communicated with the compressor (1) and the second expander (3), and the second expander (3) is also provided with a low-pressure steam channel which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel communicated with the outside, the heat supply device (9) is also provided with a heated medium channel communicated with the outside, and the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal combustion engine (A), the expander (2) and the second expander (3) are connected with the compressor (1) and the circulating pump (4) and transmit power.

9. An internal combustion engine type combined cycle power plant, which is characterized in that in any one of the internal combustion engine type combined cycle power plants of claims 1-2 and 5-8, a gas channel of an internal combustion engine (A) is communicated with the outside through a high-temperature heat exchanger (5) and is adjusted to be communicated with the outside through the gas channel of the internal combustion engine (A) through the high-temperature heat exchanger (5) and an evaporator (7), so that the internal combustion engine type combined cycle power plant is formed.

10. An internal combustion engine type combined cycle power plant, which is characterized in that in the internal combustion engine type combined cycle power plant of claim 4, a gas channel of an internal combustion engine (A) is communicated with the outside through a high-temperature heat exchanger (5) and a second high-temperature heat exchanger (10) and is adjusted to be communicated with the outside through the high-temperature heat exchanger (5) and the second high-temperature heat exchanger (10), so that the internal combustion engine type combined cycle power plant is formed.

11. An internal combustion engine type combined cycle power device is characterized in that a low-temperature heat regenerator and a second circulating pump are added in any internal combustion engine type combined cycle power device of claims 1 to 10, a condenser (6) is provided with a condensate pipeline which is communicated with an evaporator (7) through a circulating pump (4) and an internal combustion engine (A) and adjusted to be that the condenser (6) is provided with a condensate pipeline which is communicated with a low-temperature heat regenerator (12) through the circulating pump (4), a middle steam extraction channel is additionally arranged on a compressor (1) and is communicated with the low-temperature heat regenerator (12), the low-temperature heat regenerator (12) is provided with a condensate pipeline which is communicated with the evaporator (7) through the second circulating pump (13) and the internal combustion engine (A), and the internal combustion engine type combined cycle power device is formed.

12. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a diffuser pipe, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine (A), a fuel channel is also arranged outside and communicated with the internal combustion engine (A), and the internal combustion engine (A) and the fuel channel are also communicated with the outside through a high-temperature heat exchanger (5); the condenser (6) is provided with a condensate pipeline, a steam channel of the evaporator (7) is communicated with the high-temperature heat exchanger (5) after the condensate pipeline is communicated with the evaporator (7) through a diffuser pipe (17) and an internal combustion engine (A), the dual-energy compressor (14) is provided with a steam channel which is communicated with the high-temperature heat exchanger (5), the high-temperature heat exchanger (5) is also provided with a steam channel which is communicated with an expansion speed increaser (15), the expansion speed increaser (15) is also provided with a low-pressure steam channel, the evaporator (7) is also provided with a low-pressure steam channel which is communicated with the evaporator (7), the dual-energy compressor (14) and the second expansion speed increaser (16) are respectively communicated, and the second expansion speed increaser (16) is also provided with a low-pressure steam channel which is communicated with the condenser (6); the condenser (6) is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine (A), the expansion speed increasing machine (15) and the second expansion speed increasing machine (16) are connected with the dual-energy compressor (14) and transmit power, so that an internal combustion engine type combined cycle power device is formed.

13. An internal combustion engine type combined cycle power plant, which is the internal combustion engine type combined cycle power plant according to claim 12, wherein the internal combustion engine (a) is adjusted to have a gas passage communicated with the outside through the high temperature heat exchanger (5) so that the internal combustion engine (a) has a gas passage communicated with the outside through the high temperature heat exchanger (5) and the evaporator (7), thereby forming the internal combustion engine type combined cycle power plant.

The technical field is as follows:

the invention belongs to the technical field of energy and power.

Background art:

cold demand, heat demand and power demand, which are common in human life and production; among them, the conversion of thermal energy into mechanical energy is an important way to obtain and provide power. In general, the temperature of the heat source decreases with the release of heat, and the heat source is variable. When fossil fuel is used as a source energy source, the heat source has the dual characteristics of high temperature and variable temperature, so that a power device based on single thermodynamic cycle is difficult to convert more heat energy into mechanical energy. Especially for the high-quality fuel, when the traditional internal combustion engine device is adopted, the utilization value of the heat load carried away by the cooling medium needs to be improved, and the efficient utilization of the discharged fuel gas also needs to be further deeply explored, namely the heat efficiency of the internal combustion engine still has room for improvement.

People need to simply, actively, safely and efficiently utilize heat energy to obtain power, and need to adopt an advanced technology to fully exert the value of high-quality fuel; with the improvement of the manufacturing technology level of the internal combustion engine, the working temperature of the fuel gas in the cylinder of the internal combustion engine is increased, the temperature of the discharged fuel gas is higher and higher, and the heat load carried away by the cooling medium is increased, so that the irreversible loss of the internal combustion engine is increased. Therefore, the invention provides the internal combustion engine type combined cycle power device which takes high-quality fuel as driving energy, has high thermal efficiency and strong safety, and effectively recovers cooling heat load and exhaust gas heat load.

The invention content is as follows:

the invention mainly aims to provide an internal combustion engine type combined cycle power device, and the specific invention contents are set forth in the following items:

1. the internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; the external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a circulating pump, an internal combustion engine and an evaporator are communicated, a steam channel of the evaporator is communicated with a high-temperature heat exchanger, a steam channel of the compressor is communicated with the high-temperature heat exchanger, a steam channel of the high-temperature heat exchanger is communicated with an expander, a low-pressure steam channel of the evaporator is communicated with the evaporator, a low-pressure steam channel of the evaporator is communicated with the compressor and a second expander respectively, and a low-pressure steam channel of the second expander is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine, the expansion machine and the second expansion machine are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander and the second expander are connected with the compressor and the circulating pump and transmit power.

2. An internal combustion engine type combined cycle power device is characterized in that a high-temperature heat regenerator is added in the internal combustion engine type combined cycle power device 1, a steam channel of an evaporator is communicated with the high-temperature heat exchanger and adjusted to be communicated with the high-temperature heat exchanger through the high-temperature heat regenerator, a steam channel of a compressor is communicated with the high-temperature heat exchanger and adjusted to be communicated with the high-temperature heat exchanger through the high-temperature heat regenerator, and the internal combustion engine type combined cycle power device is formed.

3. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; the external part of the internal combustion engine is provided with an air channel communicated with the internal combustion engine, the external part of the internal combustion engine is also provided with a fuel channel communicated with the internal combustion engine, and the internal combustion engine is also provided with a fuel gas channel communicated with the external part of the internal combustion engine through a high-temperature heat exchanger and an evaporator; the condenser is provided with a condensate pipeline, the evaporator is communicated with the high-temperature heat exchanger through a circulating pump and an internal combustion engine, a steam channel is formed on the evaporator, the compressor is communicated with the high-temperature heat exchanger through a steam channel, the high-temperature heat exchanger is also communicated with an expander through a steam channel, the expander is also provided with a low-pressure steam channel, the heat supplier is also provided with a low-pressure steam channel, the low-pressure steam channel is respectively communicated with the compressor and a second expander, and the second expander is also provided with a low-pressure steam channel, which is communicated with the condenser; the condenser is also provided with a cooling medium channel communicated with the outside, the heat supplier is also provided with a heated medium channel communicated with the outside, and the internal combustion engine, the expander and the second expander are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander and the second expander are connected with the compressor and the circulating pump and transmit power.

4. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a second high-temperature heat exchanger; the external part of the internal combustion engine is provided with an air channel communicated with the internal combustion engine, the external part of the internal combustion engine is also provided with a fuel channel communicated with the internal combustion engine, and the internal combustion engine is also provided with a fuel gas channel communicated with the external part through a high-temperature heat exchanger and a second high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a steam channel of the evaporator is communicated with the high-temperature heat exchanger after the condensate pipeline is communicated with the evaporator through a circulating pump and an internal combustion engine, the high-temperature heat exchanger is also provided with a steam channel which is communicated with the expander, the compressor is provided with a steam channel which is communicated with a second high-temperature heat exchanger, the second high-temperature heat exchanger is also provided with a steam channel which is communicated with the expander through a middle steam inlet channel, the expander is also provided with a low-pressure steam channel which is communicated with the evaporator, a low-pressure steam channel of the evaporator is communicated with the compressor and the second expander respectively, and the second expander is also provided with a low-pressure steam channel which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine, the expansion machine and the second expansion machine are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander and the second expander are connected with the compressor and the circulating pump and transmit power.

5. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; the external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a circulating pump, an internal combustion engine and an evaporator are communicated, then a steam channel of the evaporator is communicated with the expander through a middle steam inlet channel, a steam channel of the compressor is communicated with the expander through a high-temperature heat exchanger, the expander is also provided with a low-pressure steam channel, then a low-pressure steam channel of the evaporator is communicated with the evaporator, then a low-pressure steam channel of the evaporator is respectively communicated with the compressor and a second expander, and the second expander is also provided with a low-pressure steam channel which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine, the expansion machine and the second expansion machine are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander and the second expander are connected with the compressor and the circulating pump and transmit power.

6. A combined-cycle power plant of internal combustion engine type is prepared as adding high-temp heat regenerator to said combined-cycle power plant of internal combustion engine type 5, regulating said steam channel of compressor to be communicated with expander through high-temp heat exchanger, regulating said steam channel of compressor to be communicated with expander through high-temp heat regenerator and high-temp heat exchanger, regulating said steam channel of expander to be communicated with evaporator to be communicated with expander through low-pressure steam channel of expander through high-temp heat regenerator to form combined-cycle power plant of internal combustion engine type.

7. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a third expander; the external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, the evaporator is communicated with a third expander through a circulating pump and an internal combustion engine, a steam channel is formed on the evaporator and is communicated with the third expander, a low-pressure steam channel is also communicated with the evaporator, a steam channel of the compressor is communicated with the expander through a high-temperature heat exchanger, a low-pressure steam channel of the expander is also communicated with the evaporator, a low-pressure steam channel of the evaporator is respectively communicated with the compressor and the second expander, and a low-pressure steam channel of the second expander is also communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine, the expansion machine, the second expansion machine and the third expansion machine are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander, the second expander and the third expander are connected with the compressor and the circulating pump and transmit power.

8. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; the external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a circulating pump, an internal combustion engine and an evaporator are communicated, a steam channel of the evaporator is communicated with a high-temperature heat exchanger, a steam channel of the compressor is communicated with the high-temperature heat exchanger, a steam channel of the high-temperature heat exchanger is communicated with an expander, a low-pressure steam channel of the expander is communicated with the evaporator, a low-pressure steam channel of the evaporator is communicated with a heat supply device, the heat supply device is also provided with a low-pressure steam channel which is respectively communicated with the compressor and a second expander, and the low-pressure steam channel of the second expander is communicated with the condenser; the condenser is also provided with a cooling medium channel communicated with the outside, the heat supplier is also provided with a heated medium channel communicated with the outside, and the internal combustion engine, the expander and the second expander are connected with the compressor and transmit power to form an internal combustion engine type combined cycle power device; wherein, or the internal-combustion engine, the expander and the second expander are connected with the compressor and the circulating pump and transmit power.

9. An internal combustion engine type combined cycle power device is characterized in that in any one of the internal combustion engine type combined cycle power devices 1-2 and 5-8, a gas channel of an internal combustion engine is communicated with the outside through a high-temperature heat exchanger and is adjusted to be communicated with the outside through the high-temperature heat exchanger and an evaporator, so that the internal combustion engine type combined cycle power device is formed.

10. An internal combustion engine type combined cycle power device is characterized in that in the internal combustion engine type combined cycle power device described in the 4 th, a gas channel of an internal combustion engine is communicated with the outside through a high-temperature heat exchanger and a second high-temperature heat exchanger and adjusted to be communicated with the outside through the gas channel of the internal combustion engine, the high-temperature heat exchanger and the second high-temperature heat exchanger, so that the internal combustion engine type combined cycle power device is formed.

11. An internal combustion engine type combined cycle power device is characterized in that a low-temperature heat regenerator and a second circulating pump are added in any one of the internal combustion engine type combined cycle power devices 1-10, a condenser with a condensate pipeline is communicated with an evaporator through the circulating pump and an internal combustion engine, the condenser with the condensate pipeline is communicated with the low-temperature heat regenerator through the circulating pump, a middle steam extraction channel is additionally arranged on a compressor and communicated with the low-temperature heat regenerator, the low-temperature heat regenerator is communicated with the evaporator through the second circulating pump and the internal combustion engine, and the condensate pipeline of the low-temperature heat regenerator is communicated with the evaporator through the second circulating pump, so that the internal combustion engine type combined cycle power device is formed.

12. The internal combustion engine type combined cycle power plant mainly comprises an internal combustion engine, a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a diffuser pipe, a high-temperature heat exchanger, a condenser and an evaporator; the external part of the high-temperature heat exchanger is communicated with the external part of the high-temperature heat exchanger through a high-temperature heat exchanger; the condenser is provided with a condensate pipeline, a vapor channel of the evaporator is communicated with the high-temperature heat exchanger after the condensate pipeline is communicated with the evaporator through a diffuser pipe and an internal combustion engine, the dual-energy compressor is provided with a vapor channel which is communicated with the high-temperature heat exchanger, the high-temperature heat exchanger is also provided with a vapor channel which is communicated with an expansion speed increaser, the expansion speed increaser is also provided with a low-pressure vapor channel, the low-pressure vapor channel of the evaporator is communicated with the dual-energy compressor and a second expansion speed increaser respectively, and the second expansion speed increaser is also provided with a low-pressure vapor channel which is communicated with the condenser; the condenser is also provided with a cooling medium channel which is communicated with the outside, and the internal combustion engine, the expansion speed-increasing machine and the second expansion speed-increasing machine are connected with the dual-energy compressor and transmit power to form an internal combustion engine type combined cycle power device.

13. An internal combustion engine type combined cycle power plant, which is characterized in that in the internal combustion engine type combined cycle power plant described in the 12 th, a gas channel of an internal combustion engine is communicated with the outside through a high-temperature heat exchanger and is adjusted to be communicated with the outside through the gas channel of the internal combustion engine through the high-temperature heat exchanger and an evaporator, so that the internal combustion engine type combined cycle power plant is formed.

Description of the drawings:

fig. 1 is a schematic 1 st thermodynamic system diagram of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 2 is a schematic thermodynamic system diagram of 2 nd principle of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 3 is a 3 rd principle thermodynamic system diagram of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 4 is a diagram of a 4 th principle thermodynamic system of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 5 is a diagram of a 5 th principle thermodynamic system of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 6 is a 6 th principle thermodynamic system diagram of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 7 is a 7 th principle thermodynamic system diagram of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 8 is a diagram of an 8 th principle thermodynamic system of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 9 is a diagram of a 9 th principal thermodynamic system of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 10 is a 10 th principle thermodynamic system diagram of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

Fig. 11 is a diagram of an 11 th principle thermodynamic system of an internal combustion engine type combined cycle power plant provided in accordance with the present invention.

In the figure, A is an internal combustion engine, 1 is a compressor, 2 is an expander, 3 is a second expander, 4 is a circulating pump, 5 is a high-temperature heat exchanger, 6 is a condenser, 7 is an evaporator, 8 is a high-temperature heat regenerator, 9 is a heat supplier, 10 is a second high-temperature heat exchanger, 11 is a third expander, 12 is a low-temperature heat regenerator, 13 is a second circulating pump, 14 is a dual-energy compressor, 15 is an expansion speed increaser, 16 is a second expansion speed increaser, and 17 is a diffuser pipe.

Here, it is stated that: taking fig. 3 as an example, the gas discharged from the internal combustion engine a flows through the high-temperature heat exchanger 5 and the evaporator 7 in sequence to gradually release heat and reduce temperature; in order not to overcomplicate the drawing and to reduce the drawing effort, the applicant did not connect the lines that characterize the gas channels in fig. 3; in the expression, the applicant indicates the sequence in which the combustion gases discharged by the internal combustion engine a flow through the different components.

The specific implementation mode is as follows:

it is to be noted that, in the description of the structure and the flow, the repetition is not necessary; obvious flow is not described. The invention is described in detail below with reference to the figures and examples.

The internal combustion engine type combined cycle power plant shown in fig. 1 is realized by:

(1) structurally, the system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and the internal combustion engine A and the fuel gas channel are also communicated with the outside through a high-temperature heat exchanger 5; the condenser 6 is provided with a condensate pipeline, a circulating pump 4 and an internal combustion engine A are communicated with the evaporator 7, then a steam channel of the evaporator 7 is communicated with the high-temperature heat exchanger 5, a steam channel of the compressor 1 is communicated with the high-temperature heat exchanger 5, a steam channel of the high-temperature heat exchanger 5 is also communicated with the expander 2, a low-pressure steam channel of the evaporator 7 is communicated with the evaporator 7, then a low-pressure steam channel of the expander 2 is communicated with the compressor 1 and the second expander 3 respectively, and the second expander 3 is also provided with a low-pressure steam channel which is communicated with the condenser 6; the condenser 6 is also provided with a cooling medium passage communicated with the outside, and the internal combustion engine A, the expander 2 and the second expander 3 are connected with the compressor 1 and transmit power.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, then enters the high-temperature heat exchanger 5 to absorb heat and raise temperature, and the steam discharged by the compressor 1 enters the high-temperature heat exchanger 5 to absorb heat and raise temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expander 2 to reduce the pressure and do work, the low-pressure steam discharged by the expander 2 flows through the evaporator 7 to release heat and reduce the temperature, and then the low-pressure steam is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path flows through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 2 is realized by:

(1) structurally, in the internal combustion engine type combined cycle power plant shown in fig. 1, a high-temperature regenerator is added, the communication between an evaporator 7 with a steam channel and a high-temperature heat exchanger 5 is adjusted to be that the evaporator 7 with the steam channel is communicated with the high-temperature heat exchanger 5 through a high-temperature regenerator 8, and the communication between a compressor 1 with the steam channel and the high-temperature heat exchanger 5 is adjusted to be that the compressor 1 with the steam channel is communicated with the high-temperature heat exchanger 5 through the high-temperature regenerator 8.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, increases temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, flows through the high-temperature heat regenerator 8 to absorb heat and increase temperature, and then enters the high-temperature heat exchanger 5 to absorb heat and increase temperature; steam discharged by the compressor 1 flows through the high-temperature heat regenerator 8 to absorb heat and raise temperature, and then enters the high-temperature heat exchanger 5 to absorb heat and raise temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expander 2 to reduce the pressure and do work, the low-pressure steam discharged by the expander 2 flows through the high-temperature heat regenerator 8 and the evaporator 7 to gradually release heat and reduce the temperature, and then the low-pressure steam is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path flows through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 3 is realized by:

(1) structurally, the heat pump system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and a fuel gas channel of the internal combustion engine A is also communicated with the outside through a high-temperature heat exchanger 5 and an evaporator 7; the condenser 6 has condensate pipeline through circulating pump 4 and internal-combustion engine A and evaporator 7 after communicating, the evaporator 7 has steam channel and high-temperature heat exchanger 5 to communicate again, the compressor 1 has steam channel and high-temperature heat exchanger 5 to communicate, high-temperature heat exchanger 5 also has steam channel and expander 2 to communicate, the expander 2 also has low-pressure steam channel and heat supplier 9 after communicating with 9, the heat supplier 9 has low-pressure steam channel to communicate with compressor 1 and second expander 3 separately, the second expander 3 also has low-pressure steam channel and condenser 6 to communicate; the condenser 6 is also provided with a cooling medium channel communicated with the outside, the heater 9 is also provided with a heated medium channel communicated with the outside, and the internal combustion engine A, the expander 2 and the second expander 3 are connected with the compressor 1 and transmit power.

(2) In the process, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A passes through the high-temperature heat exchanger 5 and the evaporator 7 to gradually release heat and cool, and then is discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, then enters the high-temperature heat exchanger 5 to absorb heat and raise temperature, and the steam discharged by the compressor 1 enters the high-temperature heat exchanger 5 to absorb heat and raise temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expander 2 to reduce the pressure and do work, the low-pressure steam discharged by the expander 2 flows through the heat supplier 9 to release heat and reduce the temperature, and then the low-pressure steam is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path flows through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, the cooling medium takes away low-temperature heat load through the condenser 6, and the heated medium takes away medium-temperature heat load through the heater 9; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 4 is realized by:

(1) structurally, the system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a second high-temperature heat exchanger; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and a fuel gas channel of the internal combustion engine A is also communicated with the outside through the high-temperature heat exchanger 5 and the second high-temperature heat exchanger 10; the condenser 6 is provided with a condensate pipeline, a circulating pump 4 and an internal combustion engine A are communicated with the evaporator 7, a steam channel of the evaporator 7 is communicated with the high-temperature heat exchanger 5, the high-temperature heat exchanger 5 is also communicated with the expander 2, a steam channel of the compressor 1 is communicated with a second high-temperature heat exchanger 10, a steam channel of the second high-temperature heat exchanger 10 is also communicated with the expander 2 through a middle steam inlet channel, the expander 2 is also provided with a low-pressure steam channel, a low-pressure steam channel of the evaporator 7 is communicated with the compressor 1 and the second expander 3 respectively, and a low-pressure steam channel of the second expander 3 is communicated with the condenser 6; the condenser 6 is also provided with a cooling medium passage communicated with the outside, and the internal combustion engine A, the expander 2 and the second expander 3 are connected with the compressor 1 and transmit power.

(2) In the process, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A passes through the high-temperature heat exchanger 5 and the second high-temperature heat exchanger 10 to gradually release heat and cool, and then is discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, then enters the high-temperature heat exchanger 5 to absorb heat, raise temperature, and then enters the expansion machine 2 to reduce pressure and do work; the steam discharged by the compressor 1 flows through the second high-temperature heat exchanger 10 to absorb heat and raise temperature, and then enters the expander 2 through the middle steam inlet channel to reduce pressure and do work; the low-pressure steam discharged by the expander 2 passes through the evaporator 7 to release heat and reduce temperature, and then is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path passes through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 5 is realized by:

(1) structurally, the system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and the internal combustion engine A and the fuel gas channel are also communicated with the outside through a high-temperature heat exchanger 5; the condenser 6 is provided with a condensate pipeline, a circulating pump 4, a combustion engine A, a steam channel of the evaporator 7, a middle steam inlet channel, an expansion machine 2, a high-temperature heat exchanger 5, a low-pressure steam channel of the expansion machine 2, a low-pressure steam channel of the evaporator 7, a condenser 6, a low-pressure steam channel of the second expansion machine 3 and a condenser 6, wherein the evaporator 7 is communicated with the evaporator 7 through the middle steam inlet channel; the condenser 6 is also provided with a cooling medium passage communicated with the outside, and the internal combustion engine A, the expander 2 and the second expander 3 are connected with the compressor 1 and transmit power.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and partially vaporizes, then enters the evaporator 7 to absorb heat, vaporize and overheat, and then enters the expansion machine 2 through the middle steam inlet channel to reduce pressure and do work; the steam discharged by the compressor 1 flows through the high-temperature heat exchanger 5 to absorb heat and raise temperature, and then enters the expander 2 to reduce pressure and do work; the low-pressure steam discharged by the expander 2 passes through the evaporator 7 to release heat and reduce temperature, and then is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path passes through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 6 is realized by:

(1) structurally, in the internal combustion engine type combined cycle power plant shown in fig. 5, a high temperature heat regenerator is added, a steam channel of the compressor 1 is communicated with the expander 2 through a high temperature heat exchanger 5 and adjusted to be that the steam channel of the compressor 1 is communicated with the expander 2 through a high temperature heat regenerator 8 and the high temperature heat exchanger 5, and a low pressure steam channel of the expander 2 is communicated with the evaporator 7 and adjusted to be that the expander 2 is communicated with the evaporator 7 through a low pressure steam channel of the expander 2 and the high temperature heat regenerator 8.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and partially vaporizes, then enters the evaporator 7 to absorb heat, vaporize and overheat, and then enters the expansion machine 2 through the middle steam inlet channel to reduce pressure and do work; the steam discharged by the compressor 1 flows through the high-temperature heat regenerator 8 and the high-temperature heat exchanger 5 to gradually absorb heat and raise temperature, and then enters the expander 2 to reduce the pressure and do work; the low-pressure steam discharged by the expander 2 gradually releases heat and cools through the high-temperature heat regenerator 8 and the evaporator 7, and then is divided into two paths, namely the first path enters the compressor 1 to increase the pressure and the temperature, and the second path enters the condenser 6 to release heat and condense after flowing through the second expander 3 to reduce the pressure and do work; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 7 is realized by:

(1) structurally, the system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a third expander; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and the internal combustion engine A and the fuel gas channel are also communicated with the outside through a high-temperature heat exchanger 5; the condenser 6 has a condensate pipeline, after the condensate pipeline is communicated with the evaporator 7 through the circulating pump 4 and the internal combustion engine A, the evaporator 7 has a steam channel communicated with the third expander 11, the third expander 11 also has a low-pressure steam channel communicated with the evaporator 7, the compressor 1 has a steam channel communicated with the expander 2 through the high-temperature heat exchanger 5, the expander 2 also has a low-pressure steam channel communicated with the evaporator 7, the evaporator 7 also has a low-pressure steam channel respectively communicated with the compressor 1 and the second expander 3, and the second expander 3 also has a low-pressure steam channel communicated with the condenser 6; the condenser 6 is also provided with a cooling medium passage which is communicated with the outside, and the internal combustion engine A, the expander 2, the second expander 3 and the third expander 11 are connected with the compressor 1 and transmit power.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, then enters the third expansion machine 11 to reduce pressure and do work, and low-pressure steam discharged by the third expansion machine 11 enters the evaporator 7 to release heat and lower temperature; the steam discharged by the compressor 1 passes through the high-temperature heat exchanger 5 to absorb heat and raise temperature, passes through the expander 2 to reduce pressure and do work, and the low-pressure steam discharged by the expander 2 enters the evaporator 7 to release heat and lower temperature; the low-pressure steam discharged by the evaporator 7 is divided into two paths, wherein the first path enters the compressor 1 for boosting and heating, and the second path enters the condenser 6 for releasing heat and condensing after flowing through the second expander 3 for reducing pressure and doing work; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, the second expander 3, and the third expander 11 provide power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 8 is realized by:

(1) structurally, the heat pump system mainly comprises an internal combustion engine, a compressor, an expander, a second expander, a circulating pump, a high-temperature heat exchanger, a condenser, an evaporator and a heat supply device; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and the internal combustion engine A and the fuel gas channel are also communicated with the outside through a high-temperature heat exchanger 5; the condenser 6 has a condensate pipeline, the evaporator 7 is communicated with the evaporator 7 through a circulating pump 4 and an internal combustion engine A, a steam channel is communicated with a high-temperature heat exchanger 5, a steam channel of the compressor 1 is communicated with the high-temperature heat exchanger 5, the high-temperature heat exchanger 5 is also communicated with the expander 2 through a steam channel, the expander 2 is also communicated with the evaporator 7 through a low-pressure steam channel, the evaporator 7 is also communicated with a heat supply device 9 through a low-pressure steam channel, the heat supply device 9 is also communicated with the compressor 1 and the second expander 3 through a low-pressure steam channel, and the second expander 3 is also communicated with the condenser 6 through a low-pressure steam channel; the condenser 6 is also provided with a cooling medium channel communicated with the outside, the heater 9 is also provided with a heated medium channel communicated with the outside, and the internal combustion engine A, the expander 2 and the second expander 3 are connected with the compressor 1 and transmit power.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being boosted by the circulating pump 4, absorbs heat, raises temperature and is partially vaporized, then enters the evaporator 7 to absorb heat, vaporize and overheat, then enters the high-temperature heat exchanger 5 to absorb heat and raise temperature, and the steam discharged by the compressor 1 enters the high-temperature heat exchanger 5 to absorb heat and raise temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expander 2 to reduce the pressure and do work, the low-pressure steam discharged by the expander 2 flows through the evaporator 7 and the heat supplier 9 to gradually release heat and reduce the temperature, and then the low-pressure steam is divided into two paths, wherein the first path enters the compressor 1 to increase the pressure and the temperature, and the second path flows through the second expander 3 to reduce the pressure and do work and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, the cooling medium takes away low-temperature heat load through the condenser 6, and the heated medium takes away medium-temperature heat load through the heater 9; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 9 is realized by:

in the internal combustion engine type combined cycle power plant shown in fig. 1, a fuel gas passage of an internal combustion engine a is communicated with the outside through a high-temperature heat exchanger 5, and is adjusted to be communicated with the outside through the high-temperature heat exchanger 5 and an evaporator 7; the gas discharged by the internal combustion engine A gradually releases heat and cools through the high-temperature heat exchanger 5 and the evaporator 7, and then is discharged outwards; the circulating medium entering the evaporator 7 simultaneously obtains the heat load, vaporization and superheating provided by the low-pressure steam and the fuel gas, and then enters the high-temperature heat exchanger 5 to form an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 10 is realized by:

(1) structurally, in the internal combustion engine type combined cycle power plant shown in fig. 1, a low-temperature heat regenerator and a second circulating pump are added, a condensate pipeline of a condenser 6 is communicated with an evaporator 7 through a circulating pump 4 and an internal combustion engine a, the condenser 6 is adjusted to be communicated with a low-temperature heat regenerator 12 through the circulating pump 4, a middle steam extraction channel is additionally arranged on a compressor 1 and is communicated with the low-temperature heat regenerator 12, and the low-temperature heat regenerator 12 is communicated with the evaporator 7 through a condensate pipeline of the second circulating pump 13 and the internal combustion engine a.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is boosted by the circulating pump 4 and enters the low-temperature heat regenerator 12, and is mixed with the extracted steam from the compressor 1 to absorb heat and raise the temperature, and the extracted steam is mixed with the condensate to release heat and condense; the condensate of the low-temperature heat regenerator 12 is boosted by a second circulating pump 13 and then is supplied to the internal combustion engine A as cooling liquid, absorbs heat to raise the temperature and is partially vaporized, then the condensate enters the evaporator 7 to absorb heat, vaporize and overheat, then the condensate enters the high-temperature heat exchanger 5 to absorb heat to raise the temperature, and the steam discharged by the compressor 1 enters the high-temperature heat exchanger 5 to absorb heat to raise the temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expander 2 to reduce pressure and do work, the low-pressure steam discharged by the expander 2 flows through the evaporator 7 to release heat and reduce temperature, and then is divided into two paths, wherein the first path enters the compressor 1, and the second path flows through the second expander 3 to reduce pressure and do work and then enters the condenser 6 to release heat and condense; the low-pressure steam entering the compressor 1 is boosted to a certain degree and then divided into two paths, wherein the first path enters the low-temperature heat regenerator 12 through the middle steam extraction channel, and the second path continues boosting and heating and then provides the low-temperature heat exchanger 5; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine a, the expander 2, and the second expander 3 supply power to the compressor 1 and the outside, forming an internal combustion engine type combined cycle power plant.

The internal combustion engine type combined cycle power plant shown in fig. 11 is realized by:

(1) structurally, the system mainly comprises an internal combustion engine, a dual-energy compressor, an expansion speed increaser, a second expansion speed increaser, a diffuser pipe, a high-temperature heat exchanger, a condenser and an evaporator; an air channel is arranged outside and communicated with the internal combustion engine A, a fuel channel is also arranged outside and communicated with the internal combustion engine A, and the internal combustion engine A and the fuel gas channel are also communicated with the outside through a high-temperature heat exchanger 5; the condenser 6 is provided with a condensate liquid pipeline which is communicated with the evaporator 7 through a diffuser pipe 17 and an internal combustion engine A, then a steam channel of the evaporator 7 is communicated with the high-temperature heat exchanger 5, a steam channel of the dual-energy compressor 14 is communicated with the high-temperature heat exchanger 5, a steam channel of the high-temperature heat exchanger 5 is communicated with the expansion speed increaser 15, a low-pressure steam channel of the evaporator 7 is communicated with the evaporator 7, then a low-pressure steam channel of the expansion speed increaser 15 is respectively communicated with the dual-energy compressor 14 and the second expansion speed increaser 16, and then a low-pressure steam channel of the second expansion speed increaser 16 is communicated with the condenser 6; the condenser 6 is also communicated with the outside through a cooling medium channel, and the internal combustion engine A, the expansion speed increaser 15 and the second expansion speed increaser 16 are connected with the dual-energy compressor 14 and transmit power.

(2) In the flow, external fuel and air enter the internal combustion engine A, a series of processes including compression, combustion and expansion are completed in a cylinder of the internal combustion engine A, and fuel gas discharged by the internal combustion engine A is discharged through the high-temperature heat exchanger 5 and then discharged outwards; the condensate of the condenser 6 is supplied to the internal combustion engine A as cooling liquid after being subjected to speed reduction and pressure increase through the diffuser pipe 17, absorbs heat, increases the temperature and is partially vaporized, then the condensate enters the evaporator 7 to absorb heat, vaporize and overheat, then the condensate enters the high-temperature heat exchanger 5 to absorb heat and increase the temperature, and the steam discharged by the dual-energy compressor 14 enters the high-temperature heat exchanger 5 to absorb heat and increase the temperature; the steam discharged by the high-temperature heat exchanger 5 flows through the expansion speed-increasing machine 15 to reduce the pressure, do work and increase the speed, the low-pressure steam discharged by the expansion speed-increasing machine 15 flows through the evaporator 7 to release heat and reduce the temperature, and then is divided into two paths, wherein the first path enters the dual-energy compressor 14 to increase the pressure, increase the temperature and reduce the speed, and the second path flows through the second expansion speed-increasing machine 16 to reduce the pressure, do work and increase the speed, and then enters the condenser 6 to release heat and condense; the fuel provides driving heat load through the internal combustion engine A, and the cooling medium takes away low-temperature heat load through the condenser 6; the internal combustion engine A, the expansion speed increaser 15 and the second expansion speed increaser 16 provide power for the dual-energy compressor 14 and the outside to form an internal combustion engine type combined cycle power device.

The effect that the technology of the invention can realize-the internal combustion engine type combined cycle power device provided by the invention has the following effects and advantages:

(1) the internal combustion engine realizes the efficient utilization of the high-temperature section of the gas and has reasonable technical means.

(2) In the effective utilization process of the discharged fuel gas heat load and the cooling heat load, the circulating working medium completes high-temperature heat absorption under low pressure, the temperature difference loss between the circulating working medium and the fuel gas is small, and the improvement of the heat efficiency of a system and the safety of a device are facilitated.

(3) The condensation process realizes low-temperature heat release, the temperature difference loss between the circulating working medium and the environment is controllable, and the heat efficiency is effectively improved.

(4) On the premise of ensuring the cooling effect, the cooling heat load recovery is realized in a vaporization mode, and the improvement of the heat efficiency is facilitated.

(5) The degree of the heat absorption process of the lower circulation is large, and the heat efficiency is effectively improved.

(6) The number of core equipment is small, and the system investment is reduced, and the heat efficiency is improved.

(7) And a bottom expansion process is set, so that working parameters are flexibly adjusted, and selection and arrangement of the working parameters of the circulating working medium are facilitated.

(8) On the premise of realizing high thermal efficiency, low-pressure operation can be selected, so that the operation safety of the device is greatly improved.

(9) The expansion speed increaser realizes pressure reduction, flexibly and effectively reduces the manufacturing difficulty and cost of the power device.

(10) The dual-energy compressor/diffuser pipe realizes pressure boosting, and the manufacturing difficulty and the cost of the power device are flexibly and effectively reduced.

(11) The expansion speed increaser, the dual-energy compressor and the diffuser pipe are combined, so that the heat efficiency of the device is improved.

(12) The utilization value of high-quality fuel is improved, and the expansion of the application range and the value of the high-quality fuel and the high-efficiency thermal technology is facilitated.