阅读说明：本技术 一种基于orc发电的船舶余热回收利用装置 (Ship waste heat recycling device based on ORC power generation ) 是由 李智杰 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种基于ORC发电的船舶余热回收利用装置,包括安装板和处理箱,所述安装板的顶部与处理箱的底部固定连接,并且汽轮机箱右侧的中部固定连接有接电端口,所述处理箱右侧的顶部固定连接有制冷器,并且处理箱左侧的顶部贯穿有耐热金属管,所述耐热金属管左侧的顶部连通有柴油机排气管,本发明涉及船舶热能回收技术领域。该基于ORC发电的船舶余热回收利用装置,对较低温度热源的利用有较高的循环效率；非常高的汽轮机效率；自动化程度高,简单的启停控制,一键启停；自动连续运行,无人值守；负荷适应广,最低可带10％的负荷安全可靠运行；冷却水用量少；维护费用低；橇式结构,安装快捷,占地面积小。(The invention discloses a ship waste heat recycling device based on ORC power generation, which comprises a mounting plate and a processing box, wherein the top of the mounting plate is fixedly connected with the bottom of the processing box, the middle part of the right side of a steam turbine case is fixedly connected with an electric connection port, the top of the right side of the processing box is fixedly connected with a refrigerator, a heat-resistant metal pipe penetrates through the top of the left side of the processing box, and the top of the left side of the heat-resistant metal pipe is communicated with a diesel engine exhaust pipe. The ship waste heat recycling device based on ORC power generation has high cycle efficiency for utilizing a heat source with a low temperature; very high turbine efficiency; the automation degree is high, the start-stop control is simple, and the start-stop is realized by one key; automatic continuous operation without human supervision; the load adaptation is wide, and the load can be carried by 10% at least to run safely and reliably; the consumption of cooling water is less; the maintenance cost is low; the skid-type structure is quick to install and small in occupied area.)

1. The utility model provides a boats and ships waste heat recovery utilizes device based on ORC electricity generation, includes mounting panel (1) and handles case (2), the top of mounting panel (1) and the bottom fixed connection who handles case (2), its characterized in that: fixing piece fixedly connected with steam turbine case (3) is passed through at the middle part of handling case (2) top to the equal fixedly connected with axis of rotation (4) in middle part of steam turbine case (3) inner chamber both sides, fixedly connected with steam turbine rotor (5) between axis of rotation (4) to the middle part fixedly connected with on steam turbine case (3) right side connects electric port (6), handle top fixedly connected with refrigerator (7) on case (2) right side to it has heat-resisting metal pipe (8) to run through at the left top of case (2), the left top intercommunication of heat-resisting metal pipe (8) has diesel engine blast pipe (9) to the fixed surface of heat-resisting metal pipe (8) is connected with check valve (10), the top fixed connection of fixing piece and processing case (2) is passed through to the surface of check valve (10).

2. The ORC power generation-based ship waste heat recovery and utilization device according to claim 1, wherein: the two sides of the bottom surface of the inner cavity of the steam turbine case (3) are respectively provided with a transmission pipe (12) in a penetrating mode, and the bottom end of each transmission pipe (12) penetrates through the treatment case (2) and extends to the inner cavity of the treatment case (2).

3. The ORC power generation-based ship waste heat recovery and utilization device according to claim 1, wherein: the middle part fixedly connected with high temperature division board (13) between processing case (2) inner chamber top and the bottom to processing case (2) left bottom fixedly connected with of inner chamber heats ware (14), the surface of heating ware (14) just is located the left bottom fixedly connected with protective housing (15) of processing case (2) inner chamber.

4. The ORC power generation-based ship waste heat recovery device according to claim 3, wherein: the output end of the heater (14) is fixedly connected with an electric heating ring (16), and a fixing plate (17) is fixedly connected between the middle part of the right side of the high-temperature isolation plate (13) and the middle part of the right side of the inner cavity of the treatment box (2).

5. The ORC power generation-based ship waste heat recovery and utilization device according to claim 1, wherein: the output port of refrigerator (7) fixedly connected with condensation plate (18), the left side of condensation plate (18) runs through processing case (2) and extends to the inner chamber of processing case (2), the left side of condensation plate (18) and the fixed surface connection of high temperature division board (13).

6. The ORC power generation-based ship waste heat recovery and utilization device according to claim 1, wherein: the bottom of the right side of the inner cavity of the treatment box (2) is fixedly connected with a working medium pump (19), and the outer surface of the working medium pump (19) is fixedly connected with an isolation cover (20) at the bottom of the inner cavity of the treatment box (2).

7. The ORC power generation-based ship waste heat recovery device according to claim 4, wherein: a water receiving bucket (21) penetrates through the middle of the surface of the fixing plate (17), two sides of the water receiving bucket (21) are fixedly connected with the high-temperature isolation plate (13) and the inner wall of the treatment box (2) respectively, and the bottom of the surface of the water receiving bucket (21) is communicated with a water inlet of the working medium pump (19) through a hose.

8. The ORC power generation-based ship waste heat recovery device according to claim 6, wherein: the output end of the working medium pump (19) is communicated with a one-way pipeline (22), and the left end of the one-way pipeline (22) penetrates through the high-temperature partition plate (13) and extends to the left side of the high-temperature partition plate (13).

9. The ship waste heat recovery device based on ORC power generation as claimed in any of claims 1-8, wherein the operation method comprises the following steps:

s1, adiabatic expansion: middle-high temperature heat conduction oil or steam, hot water and the like generated by waste heat during exhaust of a diesel engine exhaust pipe (9) enter a treatment box (2), then organic working media are heated and evaporated in a heater (14) and an electric heating ring (16), high-pressure organic steam is generated at the same time, the organic steam does work in a steam turbine case (3) through adiabatic expansion, a steam turbine rotor (5) is pushed to do work, and clean electric power is generated;

s2, constant pressure cooling: the low-temperature and low-pressure organic steam discharged after the power generation of the steam turbine rotor (5) is finished enters a condenser through a transmission pipe (12) and is condensed into liquid;

s3, adiabatic pressurization: the working medium condensed into liquid is subjected to heat insulation pressurization in a working medium pump (13) to high-pressure liquid, and enters the left side of the inner cavity of the treatment box (2) for evaporation;

s4, constant pressure heating: after pressurization, the preheated organic working medium is heated by a heater (14) and an electric heating ring (16), evaporated to high-pressure organic steam, and enters a turbine case (3) for cyclic power generation.

Technical Field

The invention relates to the technical field of ship heat energy recovery, in particular to a ship waste heat recovery and utilization device based on ORC power generation.

Background

Global warming has become a hot spot of international society, and the main cause of the global warming is the emission of greenhouse gases, mainly including carbon dioxide, nitrous oxide, methane, etc. The concept and significance of a ship energy efficiency operation index EEOI are clearly provided for the first time by the International Maritime Organization (IMO) in the 59 th meeting of an MEPC, a Ship Energy Efficiency Management Plan (SEEMP) is included in a revised scheme of '1973 international ship pollution prevention convention' at the 61 th meeting in 2010, systematic requirements are provided for ship energy efficiency management, emission reduction responsibility of ships and fleets is regulated, and forced implementation is required from 2013, 1 month and 1 day.

The current mode of waste heat on ships mainly comprises two aspects of recycling the waste heat of the ships, namely high-grade waste heat and mainly utilization of waste gas residual pressure energy; the other is low-grade waste heat, which is mainly recycled by waste gas waste heat, and waste gas residual pressure energy is mainly recycled by a turbine, common technologies include a power turbine and a turbocharging technology, such as a main engine waste gas turbocharger, and for recycling waste gas waste heat energy, the waste gas waste heat energy is usually directly used as a heating heat source of other heat utilization equipment, such as heating hot water, providing a heat source for a seawater desalination device, heating an oil tank, heating and the like, can supply steam to a whole ship instead of an oil-fired boiler, and achieves the purpose of saving fuel oil.

The waste heat power generation mode mainly comprises a temperature difference power generation mode and an ORC Rankine cycle power generation mode, wherein an organic Rankine cycle (ORC for short) is a Rankine cycle taking low-boiling-point organic matters as working media and mainly comprises four parts, namely a waste heat boiler (or a heat exchanger), a turbine, a condenser and a working medium pump.

The project aims to design a comprehensive waste heat utilization system for waste heat power generation, and the economic benefit and the social benefit of the system are verified by utilizing the waste heat of the marine diesel engine to generate power.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a ship waste heat recycling device based on ORC power generation, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a boats and ships waste heat recovery utilizes device based on ORC electricity generation, includes the mounting panel and handles the case, the top of mounting panel and the bottom fixed connection who handles the case, the middle part of handling the roof portion passes through mounting fixedly connected with turbine case to the equal fixedly connected with axis of rotation in middle part of turbine case inner chamber both sides, fixedly connected with steam turbine rotor between the axis of rotation to the middle part fixedly connected with on turbine case right side connects the electric port, handle the top fixedly connected with refrigerator on case right side to it has heat-resisting metal pipe to handle the left top of case to run through, the left top intercommunication of heat-resisting metal pipe has the diesel engine blast pipe to the fixed surface of heat-resisting metal pipe is connected with the check valve, the top fixed connection of mounting and processing case is passed through to the surface of check valve.

Preferably, transmission pipes penetrate through two sides of the bottom surface of the inner cavity of the steam turbine case, and the bottom ends of the transmission pipes penetrate through the treatment case and extend to the inner cavity of the treatment case.

Preferably, the middle part fixedly connected with high temperature division board between processing incasement chamber top and the bottom to the left bottom fixedly connected with of processing incasement chamber heats the ware, the surface of heating the ware and be located the left bottom fixedly connected with protective housing of processing incasement chamber.

Preferably, the output end of the heater is fixedly connected with an electric heating ring, and a fixing plate is fixedly connected between the middle part of the right side of the high-temperature isolation plate and the middle part of the right side of the inner cavity of the treatment box.

Preferably, the output port of the refrigerator is fixedly connected with a condensing plate, the left side of the condensing plate penetrates through the treatment box and extends to the inner cavity of the treatment box, and the left side of the condensing plate is fixedly connected with the surface of the high-temperature isolation plate.

Preferably, the bottom of the right side of the inner cavity of the treatment box is fixedly connected with a working medium pump, and the outer surface of the working medium pump is fixedly connected with an isolation cover at the bottom of the inner cavity of the treatment box.

Preferably, a water receiving bucket penetrates through the middle of the surface of the fixed plate, two sides of the water receiving bucket are fixedly connected with the high-temperature isolation plate and the inner wall of the treatment box respectively, and the bottom of the surface of the water receiving bucket is communicated with a water inlet of the working medium pump through a hose.

Preferably, the output end of the working medium pump is communicated with a one-way pipeline, and the left end of the one-way pipeline penetrates through the high-temperature partition plate and extends to the left side of the high-temperature partition plate.

The utility model provides a boats and ships waste heat recovery utilizes device based on ORC electricity generation, includes specifically that:

s1, adiabatic expansion: medium-high temperature heat conduction oil or steam, hot water and the like generated by waste heat during exhaust of the exhaust pipe of the diesel engine enter the treatment box, then the organic working medium is heated and evaporated in the heater and the electric heating ring, and high-pressure organic steam is generated at the same time, and the organic steam adiabatically expands in the steam turbine box to do work to push a steam turbine rotor to do work to generate clean electric power;

s2, constant pressure cooling: the low-temperature and low-pressure organic steam discharged after the power generation of the steam turbine rotor is finished enters a condenser through a transmission pipe to be condensed into liquid;

s3, adiabatic pressurization: the working medium condensed into liquid is subjected to heat insulation pressurization in a working medium pump to obtain high-pressure liquid, and the high-pressure liquid enters the left side of the inner cavity of the treatment box for evaporation;

s4, constant pressure heating: after pressurization, the preheated organic working medium is heated by a heater and an electric heating ring, evaporated to high-pressure organic steam, and enters a steam turbine box for cyclic power generation.

(III) advantageous effects

The invention provides a ship waste heat recycling device based on ORC power generation. The beneficial effects are as follows: the ship waste heat recycling device based on ORC power generation has high cycle efficiency for utilizing a heat source with a low temperature; very high turbine efficiency; the automation degree is high, the start-stop control is simple, and the start-stop is realized by one key; automatic continuous operation without human supervision; the load adaptation is wide, and the load can be carried by 10% at least to run safely and reliably; the consumption of cooling water is less; the maintenance cost is low; the skid-type structure is quick to install and small in occupied area.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a flow chart of the working principle of the present invention.

In the figure, 1-mounting plate, 2-treatment box, 3-turbine box, 4-rotating shaft, 5-turbine rotor, 6-electric connection port, 7-refrigerator, 8-heat-resistant metal pipe, 9-diesel engine exhaust pipe, 10-one-way valve, 12-transmission pipe, 13-high temperature isolation plate, 14-heater, 15-protective shell, 16-electric heating ring, 17-fixed plate, 18-condensation plate, 19-working medium pump, 20-isolation cover, 21-water receiving bucket and 22-one-way pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: the utility model provides a boats and ships waste heat recovery utilizes device based on ORC electricity generation, including mounting panel 1 and processing case 2, the top of mounting panel 1 and the bottom fixed connection who handles case 2, the middle part at processing case 2 top passes through mounting fixedly connected with turbine case 3, and the equal fixedly connected with axis of rotation 4 in middle part of 3 inner chamber both sides of turbine case, fixedly connected with steam turbine rotor 5 between the axis of rotation 4, and the middle part fixedly connected with on turbine case 3 right side connects electric port 6, the top fixedly connected with refrigerator 7 on processing case 2 right side, and it has heat-resisting metal pipe 8 to run through at the left top of processing case 2, the left top intercommunication of heat-resisting metal pipe 8 has diesel engine blast pipe 9, and the fixed surface of heat-resisting metal pipe 8 is connected with check valve 10, the top fixed connection of fixing piece and processing case 2 is passed through to the surface of check valve 10.

In the invention, transmission pipes 12 penetrate through two sides of the bottom surface of the inner cavity of the steam turbine case 3, and the bottom ends of the transmission pipes 12 penetrate through the treatment box 2 and extend to the inner cavity of the treatment box 2.

In the invention, a high-temperature isolation plate 13 is fixedly connected to the middle part between the top and the bottom of the inner cavity of the treatment box 2, a heater 14 is fixedly connected to the bottom of the left side of the inner cavity of the treatment box 2, and a protective shell 15 is fixedly connected to the outer surface of the heater 14 and the bottom of the left side of the inner cavity of the treatment box 2.

In the invention, the output end of the heater 14 is fixedly connected with an electric heating ring 16, and a fixing plate 17 is fixedly connected between the middle part of the right side of the high-temperature isolation plate 13 and the middle part of the right side of the inner cavity of the treatment box 2.

In the invention, the output port of the refrigerator 7 is fixedly connected with the condensing plate 18, the left side of the condensing plate 18 penetrates through the treatment box 2 and extends to the inner cavity of the treatment box 2, and the left side of the condensing plate 18 is fixedly connected with the surface of the high-temperature isolation plate 13.

In the invention, the bottom of the right side of the inner cavity of the treatment box 2 is fixedly connected with a working medium pump 19, and the bottom of the outer surface of the working medium pump 19, which is positioned in the inner cavity of the treatment box 2, is fixedly connected with an isolation cover 20.

In the invention, a water receiving bucket 21 penetrates through the middle part of the surface of the fixed plate 17, two sides of the water receiving bucket 21 are respectively and fixedly connected with the high-temperature isolation plate 13 and the inner wall of the treatment box 2, and the bottom of the surface of the water receiving bucket 21 is communicated with a water inlet of the working medium pump 19 through a hose.

In the invention, the output end of the working medium pump 19 is communicated with a one-way pipeline 22, and the left end of the one-way pipeline 22 penetrates through the high-temperature partition plate 13 and extends to the left side of the high-temperature partition plate 13.

The invention also discloses a ship waste heat recycling device based on ORC power generation, and the working method specifically comprises the following steps:

s1, adiabatic expansion: middle-high temperature heat conduction oil or steam, hot water and the like generated by waste heat during exhaust of the exhaust pipe 9 of the diesel engine enter the treatment box 2, then the organic working medium is heated and evaporated in the heater 14 and the electric heating ring 16, high-pressure organic steam is generated at the same time, the organic steam is subjected to adiabatic expansion work in the steam turbine case 3 to push the steam turbine rotor 5 to do work, and clean electric power is generated;

s2, constant pressure cooling: the low-temperature and low-pressure organic steam discharged after the power generation of the steam turbine rotor 5 is finished enters a condenser through a transmission pipe 12 to be condensed into liquid;

s3, adiabatic pressurization: the working medium condensed into liquid is subjected to heat insulation pressurization in the working medium pump 13 to high-pressure liquid, and enters the left side of the inner cavity of the treatment box 2 for evaporation;

s4, constant pressure heating: after pressurization, the preheated organic working medium is heated by the heater 14 and the electric heating ring 16, evaporated to high-pressure organic steam, and enters the steam turbine case 3 for cyclic power generation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.