阅读说明：本技术 一种新型烟气涡轮发电装置 (Novel flue gas turbine power generation device ) 是由 杜宏德 田伟明 张志� 胡建军 王涛 李文娟 于 2019-10-24 设计创作，主要内容包括：本发明属于烟气能量回收技术领域,涉及一种新型烟气涡轮发电装置,具体是一种将烟气能量直接转化成电能的装置,具体包括烟气涡轮系统、发电机系统、变压系统和稳压系统；所述烟气涡轮系统上设置有高温加压湿烟气入口管道和烟气出口管道,所述烟气涡轮系统与发电机系统连接,所述发电机系统与变压系统连接,所述变压系统与稳压系统连接。本发明所述装置通过高温加压湿烟气可直接驱动涡轮转动,带动发电装置产生用于工业生产和生活的电能,本发明解决现有发电装置工艺状况和结构的问题,实现烟气涡轮发电装置的小型化和集成化。(The invention belongs to the technical field of flue gas energy recovery, and relates to a novel flue gas turbine power generation device, in particular to a device for directly converting flue gas energy into electric energy, which specifically comprises a flue gas turbine system, a generator system, a voltage transformation system and a voltage stabilization system; the high-temperature pressurized wet flue gas inlet pipeline and the flue gas outlet pipeline are arranged on the flue gas turbine system, the flue gas turbine system is connected with the generator system, the generator system is connected with the variable pressure system, and the variable pressure system is connected with the pressure stabilizing system. The device can directly drive the turbine to rotate through the high-temperature pressurized wet flue gas to drive the power generation device to generate electric energy for industrial production and life.)

1. The utility model provides a novel flue gas turbine power generation device which characterized in that: comprises a flue gas turbine system (100), a generator system (200), a pressure swing system (300) and a pressure stabilizing system (400); the high-temperature pressurized wet flue gas inlet pipeline (101) and the flue gas outlet pipeline (102) are arranged on the flue gas turbine system (100), the flue gas turbine system (100) is connected with the generator system (200), the generator system (200) is connected with the pressure swing system (300), and the pressure swing system (300) is connected with the pressure stabilizing system (400).

2. The novel flue gas turbine power generation device of claim 1, wherein: the flue gas turbine system (100) comprises a volute (103), a turbine (104), a turbine shaft (105) and a turbine shaft box (106), wherein a high-temperature pressurized wet flue gas inlet pipeline (101) is connected to the radial direction of the volute (103), a flue gas outlet pipeline (102) is connected to the center of the volute (103) in the axial direction, the turbine (104) is connected and fixed in the volute (103) through the turbine shaft (105), the other end of the turbine shaft (105) penetrates through the volute (103) to be connected with a generator system (200), and a turbine shaft box (106) used for supplying lubricating oil is arranged on the periphery of the turbine shaft (105) between the volute (103) and the generator system (200).

3. The novel flue gas turbine power generation device of claim 2, wherein: the turbine shaft (105) is connected with the volute (103) through a sealing device, and the sealing device can rotate freely and comprises a bearing and a sealing gasket; an axle box bracket (107) is arranged below the turbine axle box (106).

4. The novel flue gas turbine power generation device of claim 3, wherein: axle box support (107) below still is provided with lubricating oil system (500), lubricating oil system (500) includes lubricating oil tank (501), be provided with lubricating oil pump (502) and lubricating oil cooler (503) in lubricating oil tank (501), turbine axle box (106) upper end is provided with lubricating oil import pipe (504), turbine axle box (106) lower extreme is provided with lubricating oil and returns oil pipe (505), lubricating oil import pipe (504), lubricating oil return oil pipe (505) are connected with lubricating oil pump (502) respectively.

5. The novel flue gas turbine power generation device of claim 4, wherein: the lubricating oil cooler (503) is a U-shaped pipe lubricating oil cooler, a coil pipe lubricating oil cooler or a straight pipe lubricating oil cooler, and a temperature instrument (506) for monitoring the temperature of the lubricating oil is arranged in the lubricating oil tank (501).

6. The novel flue gas turbine power generation device of claim 2, wherein: the generator system (200) comprises a generator shell (201), a generator shaft (202), a permanent magnet rotor (203) and a winding stator (204) are arranged in the generator shell (201), the turbine shaft (105) and the generator shaft (202) are in coaxial linkage, the permanent magnet rotor (203) is fixed on the generator shaft (202), the winding stator (204) is surrounded outside the permanent magnet rotor (203), and a gap is reserved between the permanent magnet rotor (203) and the winding stator (204).

7. The novel flue gas turbine power generation device of claim 6, wherein: the winding stator (204) is connected with a lead through a wiring terminal (205), the lead is connected with a transformation system (300), and the transformation system (300) is a transformer used for reducing or increasing the electric energy generated by the generator system (200) to corresponding voltage according to the power demand.

8. the novel flue gas turbine power generation device of claim 7, wherein: the voltage stabilizing system (400) is a voltage stabilizer for stabilizing the voltage and the current transmitted by the voltage transformation system (300) within the range of power consumption requirements.

9. The novel flue gas turbine power plant according to any one of claims 1 to 8, characterized in that: the turbine shaft (105) may be replaced by a gear shaft, which is coaxially coupled to the generator shaft (202).

Technical Field

The invention belongs to the technical field of flue gas energy recovery, relates to a novel flue gas turbine power generation device, and particularly relates to a device for directly converting flue gas energy into electric energy.

Background

in various industrial production fields, a large amount of energy consumption is needed, heat energy which is generated in various heat energy conversion equipment, energy utilization equipment and chemical reaction equipment and is not utilized in the production process can also be generated in the production process, the sources of the waste heat mainly comprise industrial exhaust waste heat, waste heat of high-temperature products and slag, waste heat of cooling media, waste heat generated in the chemical reaction process, combustible waste gas, waste materials, heat energy of waste liquid, waste steam and waste water, the average heat efficiency of an industrial boiler is only 67%, and the rest energy is discharged into the atmosphere through high-temperature waste flue gas, so that great waste is caused.

The flue gas utilization is an important subject in the field of energy conservation and environmental protection in recent years, and has high economic benefit and social benefit. At present, most of energy contained in high-temperature flue gas is converted into steam or hot water for energy recovery, or the steam turbine is used for generating power for energy recovery, so that the multiple energy conversion efficiency is low. The existing flue gas turbine device is large and has low energy conversion efficiency, and along with the development of the solid waste incineration industry, the device equipment is difficult to apply and recover energy.

Disclosure of Invention

The invention aims to provide a novel flue gas turbine power generation device, which solves the problems of the process condition and the structure of the existing power generation device and realizes the miniaturization and integration of the flue gas turbine power generation device.

The realization process of the invention is as follows:

A novel flue gas turbine power generation device comprises a flue gas turbine system, a generator system, a voltage transformation system and a voltage stabilization system; the high-temperature pressurized wet flue gas inlet pipeline and the flue gas outlet pipeline are arranged on the flue gas turbine system, the flue gas turbine system is connected with the generator system, the generator system is connected with the variable pressure system, and the variable pressure system is connected with the pressure stabilizing system.

Further, the flue gas turbine system comprises a volute, a turbine shaft and a turbine shaft box, wherein a high-temperature pressurized wet flue gas inlet pipeline is radially connected to the volute, a flue gas outlet pipeline is axially connected to the center of the volute, the turbine is connected and fixed in the volute through a turbine shaft, the other end of the turbine shaft penetrates through the volute and is connected with the generator system, and the turbine shaft box used for supplying lubricating oil is arranged on the periphery of the turbine shaft between the volute and the generator system.

Further, the turbine shaft is connected with the volute through a sealing device and can rotate freely, and the sealing device comprises a bearing and a sealing gasket; and an axle box bracket is arranged below the turbine axle box.

Further, axle box support below still is provided with the lubricating oil system, the lubricating oil system includes the lubricating oil tank, be provided with lubricating oil pump and lubricating oil cooler in the lubricating oil tank, turbine axle box upper end is provided with lubricating oil import pipe, turbine axle box lower extreme is provided with lubricating oil return pipe, lubricating oil import pipe, lubricating oil return pipe are connected with the lubricating oil pump respectively.

Further, the lubricating oil cooler is a U-shaped pipe lubricating oil cooler, a coil pipe lubricating oil cooler or a straight pipe lubricating oil cooler, and a temperature instrument for monitoring the temperature of the lubricating oil is arranged in the lubricating oil tank.

Further, the generator system comprises a generator shell, a generator shaft, a permanent magnet rotor and a winding stator are arranged in the generator shell, the turbine shaft and the generator shaft are in coaxial linkage, the permanent magnet rotor is fixed on the generator shaft, the winding stator is surrounded outside the permanent magnet rotor, and a gap is reserved between the permanent magnet rotor and the winding stator.

furthermore, the winding stator is connected with a lead through a wiring terminal, the lead is connected with a voltage transformation system, and the voltage transformation system is a transformer used for reducing or increasing the electric energy generated by the generator system to corresponding voltage according to the power demand.

Further, the voltage stabilizing system is a voltage stabilizer for stabilizing the voltage and the current transmitted by the voltage transformation system within the range of the power consumption requirement.

Further, the turbine shaft can be replaced by a gear shaft, and the gear shaft and the generator shaft are in coaxial linkage.

The invention has the following positive effects:

(1) the device can directly drive the turbine to rotate through the high-temperature pressurized wet flue gas to drive the power generation device to generate electric energy for industrial production and life.

(2) The lubricating oil system is arranged below the turbine axle box, so that lubricating oil in the turbine axle box can be ensured to ensure the lubrication of the axle, and the mechanical rotation abrasion is avoided; the turbine axle box is fixed above the lubricating oil tank through the axle box bracket, and the stability of the turbine axle box and the turbine shaft is guaranteed.

(3) The gap is arranged between the permanent magnet rotor and the wound stator, so that a certain distance can be kept between the wound stator and the permanent magnet rotor, and the faults of the two parts caused by the contact of the wound stator and the permanent magnet rotor are avoided.

(4) The generator shell has the functions of protecting the internal structure and the electricity utilization safety.

Drawings

FIG. 1 is a schematic structural diagram of a novel flue gas turbine power generation device according to the invention;

In the figure, 100 flue gas turbine system, 101 high temperature pressurized wet flue gas inlet pipeline, 102 flue gas outlet pipeline, 103 volute, 104 turbine, 105 turbine shaft, 106 turbine shaft box, 107 shaft box bracket, 200 generator system, 201 generator shell, 202 generator shaft, 203 permanent magnet rotor, 204 wound stator, 205 wiring terminal, 300 transformation system, 400 voltage stabilizing system, 500 lubricating oil system, 501 lubricating oil tank, 502 lubricating oil pump, 503 lubricating oil cooler, 504 lubricating oil inlet pipe, 505 lubricating oil return pipe, 506 thermometer.

Detailed Description

The present invention will be further described with reference to the following examples.

The invention provides a novel flue gas turbine power generation device, which aims to solve the problems of the process condition and the structure of the existing power generation device and realize the miniaturization and integration of the flue gas turbine power generation device.