CN113550800B - Marine organic Rankine cycle non-azeotropic working medium component adjusting system - Google Patents

Marine organic Rankine cycle non-azeotropic working medium component adjusting system Download PDF

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CN113550800B
CN113550800B CN202110882803.4A CN202110882803A CN113550800B CN 113550800 B CN113550800 B CN 113550800B CN 202110882803 A CN202110882803 A CN 202110882803A CN 113550800 B CN113550800 B CN 113550800B
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working medium
outlet
liquid storage
storage tank
medium component
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CN113550800A (en
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王恩华
张波
孟凡骁
彭宁建
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • F01K13/006Auxiliaries or details not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • F01K13/02Controlling, e.g. stopping or starting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00Steam engine plants not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating

Abstract

The invention provides a marine organic Rankine cycle non-azeotropic working medium component adjusting system, and relates to the technical field of organic Rankine cycle waste heat power generation. The system comprises a main system and a subsystem, wherein the main system comprises: the system comprises an engine, a condenser and a plurality of working medium pumps, wherein the condenser comprises a cooling water inlet and a cooling water outlet; the subsystem is a component adjusting system and comprises a fractionating tower, a plurality of power pumps, a plurality of control valves, a controller, a temperature sensor and a working medium component concentration sensor, wherein the temperature sensor and the working medium component concentration sensor are in communication connection with the controller. The temperature sensor of the invention obtains the temperature of the cooling water inlet, obtains the optimal mixed working medium component distribution ratio at the temperature through optimization calculation, takes the numerical values of the temperature sensor and the working medium component concentration sensor as the input quantity of the controller, and controls the control valve and the power pump according to the component calculation result until the component of the working medium component concentration sensor is the target component. The invention takes the temperature change of the seawater as a control strategy and takes the cooling water as domestic water, thereby having high energy utilization rate.

Description

Marine organic Rankine cycle non-azeotropic working medium component adjusting system
Technical Field
The invention relates to the technical field of organic Rankine cycle waste heat power generation, in particular to a marine organic Rankine cycle non-azeotropic working medium component adjusting system.
Background
At present, a large amount of waste heat resources are not effectively utilized in engineering in China, wherein a ship generally carries a low-rotation-speed diesel engine as a power source, the thermal efficiency of the diesel engine is about 40-50%, a large amount of heat energy is discharged into air and seawater through tail gas and cooling liquid respectively, and an organic Rankine cycle system can recover the waste heat of the tail gas to improve the overall utilization efficiency of a power system.
The working medium is an important factor influencing the heat efficiency of the organic Rankine cycle, the pure working medium is kept at a constant temperature in the phase-change processes of evaporation, condensation and the like, but the non-azeotropic working medium can generate temperature slippage, so that exergy loss in the heat exchange process can be reduced, and the cycle efficiency is improved. When the proportion of the mixed working medium is changed, the maximum heat efficiency can be provided under different heat sources or cooling conditions.
Huangrenlong, Luoyuan, Chenying, etc., a non-azeotropic mixed working medium organic Rankine cycle system (utility model patent), CN 206233960U. The organic Rankine cycle component adjusting system can effectively adjust the components of the mixed working medium through the liquid separating condenser to adapt to the change of working conditions.
Li Shu Yi, XuBorui, organic Rankine cycle system (invention patent) with built-in heat pump using mixed organic working medium, CN 104033200B. A method for regulating the components of a mixed organic working medium in the same system is provided.
The prior art does not provide a specific application scene and mixed working medium combination, and the heated cooling water can be used as domestic hot water on a ship, so that the existing system does not meet the requirement.
Therefore, the need for providing a marine organic rankine cycle non-azeotropic working medium component adjusting system is needed to solve the technical problem that the cooling water after temperature rise can not be satisfied in the prior art and can be used as domestic hot water on a ship.
Disclosure of Invention
The invention aims to provide a marine organic Rankine cycle non-azeotropic working medium component adjusting system, which combines a cooling system with seawater temperature change as a component adjusting control strategy, and simultaneously uses cooling water at an outlet of a condenser for marine domestic water to realize energy application of the cooling system.
In order to realize the purpose, the following technical scheme is provided:
the invention provides a marine organic Rankine cycle non-azeotropic working medium component adjusting system, which comprises a main system and a subsystem, wherein the main system comprises: the system comprises an engine, a condenser and a plurality of working medium pumps, wherein the condenser comprises a cooling water inlet and a cooling water outlet; the subsystem is a component adjusting system and comprises a fractionating tower, a plurality of power pumps, a plurality of control valves, a controller, a temperature sensor and a working medium component concentration sensor, wherein the temperature sensor and the working medium component concentration sensor are in communication connection with the controller;
the control method of the component regulating system comprises the following steps: the temperature sensor obtains the first temperature of the cooling water inlet, the optimal mixed working medium component distribution ratio at the next temperature is obtained through optimization calculation, the numerical values of the temperature sensor and the working medium component concentration sensor are used as the input quantity of the controller, and the control valves and the power pumps are controlled according to the component calculation results until the component of the working medium component concentration sensor is the target component.
Furthermore, the component adjusting system also comprises a plurality of liquid storage tanks, including a first liquid storage tank, a second liquid storage tank and a third liquid storage tank.
Furthermore, the marine organic Rankine cycle non-azeotropic working medium component adjusting system further comprises an evaporator, an expander and a heat regenerator, wherein a heat source inlet of the evaporator is connected with an outlet of the engine, a heat source outlet of the evaporator is connected with a steam inlet of the expander, a steam outlet of the expander is connected with a gas inlet of the heat regenerator, a gas outlet of the heat regenerator is connected with a hot gas inlet of the condenser, a hot gas outlet of the condenser is connected with a first liquid storage tank, a first outlet of the first liquid storage tank is connected with a liquid inlet of the heat regenerator through a working medium pump, a liquid outlet of the heat regenerator is connected with a liquid inlet of the evaporator, and a second outlet of the first liquid storage tank is connected with the component control system.
Furthermore, an outlet II of the first liquid storage tank is connected with an inlet of the fractionating tower through a working medium pump II, a high boiling point outlet of the fractionating tower is connected with the second liquid storage tank, and a low boiling point outlet of the fractionating tower is connected with the third liquid storage tank.
Furthermore, a high boiling point outlet of the fractionating tower is connected to the second liquid storage tank through the first control valve, and a low boiling point outlet of the fractionating tower is connected to the third liquid storage tank through the second control valve.
Further, the marine organic Rankine cycle non-azeotropic working medium component adjusting system further comprises a mixer, the mixer is arranged below the first liquid storage tank, the second liquid storage tank is connected to the mixer through the first power pump, the third liquid storage tank is connected to the mixer through the second power pump, and an outlet of the mixer is connected to a liquid inlet of the heat regenerator through the first working medium pump.
Further, a temperature sensor is arranged at a cooling water inlet of the condenser, and a working medium component concentration sensor is arranged at the mixer.
Further, the marine organic Rankine cycle non-azeotropic working medium component adjusting system further comprises a flow sensor, and the flow sensor is arranged on a pipeline from an outlet of the mixer to the working medium pump.
Further, the marine organic Rankine cycle non-azeotropic working medium component adjusting system further comprises a domestic water tank, and a cooling water outlet of the condenser is connected to the domestic water tank.
Furthermore, the cold source of the condenser is fresh water with the same temperature as the seawater, and the temperature of the cooling water at the cooling water outlet is controlled to be 40 ℃ by the controller.
Compared with the prior art, the marine organic Rankine cycle non-azeotropic working medium component adjusting system combines the marine organic Rankine cycle non-azeotropic working medium component adjustment with marine domestic water, and matches the most appropriate working medium component according to different seawater temperatures; the optimal working medium components are mixed by adopting a control strategy of taking the inlet temperature of the cooling water as the control input quantity and adjusting related valves and pumps. For the component adjustment of the non-azeotropic working medium, firstly, a working medium combination with higher efficiency is found out according to the condition of a heat source, and the organic mixed working medium suitable for ships is determined by a large amount of simulation calculation. The cooling system in the invention combines the temperature change of seawater as a component regulation control strategy, and simultaneously uses the cooling water at the outlet of the condenser for the domestic water of the ship, thereby realizing the energy application of the cooling system.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
FIG. 1 shows a structural schematic diagram of a marine organic Rankine cycle working medium component adjusting system in an embodiment of the invention.
Reference numerals:
1-an engine; 2-an evaporator; 201-heat source inlet; 202-heat source outlet; 3-an expander; 4-a heat regenerator; 5-a condenser; 501-cooling water inlet; 502-cooling water outlet; 6-a mixer; 7-a flow sensor; 8-a fractionation column; 9-a controller; 10-a domestic water pool; 11-a working medium pump I; 12-a working medium pump II; 13-a power pump I; 14-power pump two; 15-liquid storage tank I; 16-a second liquid storage tank; 17-liquid storage tank III; 18-a temperature sensor; 19-working medium component concentration sensor; 20-control valve one; 21-control valve two.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
As shown in fig. 1, the embodiment provides a marine organic rankine cycle working medium component adjusting system, which includes a main system and a sub-system, wherein the non-azeotropic working medium combination adopts a combination of benzene/m-xylene (benzene/m-xylene), and the main system is an organic rankine cycle system, and includes: the system comprises an engine 1, a condenser 5 and a plurality of working medium pumps, wherein the condenser 5 is used for condensing exhaust gas from an expansion machine 3, and specifically, the condenser 5 comprises a cooling water inlet 501 and a cooling water outlet 502; the working medium pump is used for conveying the pressurized mixed working medium to the evaporator 2. The subsystem is a component adjusting system and comprises a fractionating tower 8, a plurality of power pumps, a plurality of control valves, a controller 9, a temperature sensor 18 and a working medium component concentration sensor 19, wherein the temperature sensor 18 and the working medium component concentration sensor are in communication connection with the controller 9; the fractionating tower 8 divides the mixed working medium according to different boiling points. Specifically, the engine 1 of the present embodiment is a marine diesel engine.
The control method of the component adjusting system comprises the following steps: the temperature sensor 18 obtains the first temperature of the cooling water inlet 501, the optimal mixed working medium component ratio at the next temperature is obtained through optimization calculation, the numerical values of the temperature sensor 18 and the working medium component concentration sensor 19 are used as the input quantity of the controller 9, and the control valves and the power pumps are controlled according to the component calculation results until the component of the working medium component concentration sensor 19 is the target component.
Further, the marine organic rankine cycle non-azeotropic refrigerant composition adjusting system of this embodiment further includes an evaporator 2, an expander 3, and a heat regenerator 4, where the evaporator 2 is used to heat the mixed refrigerant to complete liquid-phase to gas-phase conversion, a heat source inlet 201 of the evaporator 2 is connected to an outlet of the engine 1, and a heat source outlet 202 is connected to a steam inlet of the expander 3. The expander 3 is used for high-temperature steam to push the expander 3 to rotate so as to realize power generation, and a steam outlet of the expander 3 is connected with a gas inlet of the heat regenerator 4. The heat regenerator 4 is used for transmitting the heat energy at the outlet of the expansion machine 3 to the liquid organic working medium at the outlet of the working medium pump again, the gas outlet of the heat regenerator 4 is connected with the hot gas inlet of the condenser 5, the hot gas outlet of the condenser 5 is connected with the first liquid storage tank 15, the first outlet of the first liquid storage tank 15 is connected with the liquid inlet of the heat regenerator 4 through the first working medium pump 11, the liquid outlet of the heat regenerator 4 is connected with the liquid inlet of the evaporator 2, and the second outlet of the first liquid storage tank 15 is connected with the component control system.
Preferably, the component adjusting system of the embodiment further comprises a plurality of liquid storage tanks, specifically, a first liquid storage tank 15, a second liquid storage tank 16, a third liquid storage tank 17, a plurality of power pumps and a plurality of liquid storage tanks, for storing and transmitting the working medium in the condenser 5.
Specifically, an outlet II of the first liquid storage tank 15 is connected with an inlet of the fractionating tower 8 through a working medium pump II 12, a high boiling point outlet of the fractionating tower 8 is connected with a liquid storage tank II 16, and a low boiling point outlet is connected with a liquid storage tank III 17. More specifically, the high boiling point outlet of the fractionating tower 8 is connected to the second reservoir 16 through the first control valve 20, and the low boiling point outlet is connected to the third reservoir 17 through the second control valve 21.
Preferably, the marine organic rankine cycle non-azeotropic working medium component adjusting system of the embodiment further includes a mixer 6, the mixer 6 is disposed below the first liquid storage tank 15, the second liquid storage tank 16 is connected to the mixer 6 through the first power pump 13, the third liquid storage tank 17 is connected to the mixer 6 through the second power pump 14, and an outlet of the mixer 6 is connected to a liquid inlet of the regenerator 4 through the first working medium pump 11. Alternatively, the temperature sensor 18 of the present embodiment is provided at the cooling water inlet 501 of the condenser 5, and the working fluid component concentration sensor 19 is provided at the mixer 6.
Preferably, the organic rankine cycle non-azeotropic working medium component adjusting system for the ship of the embodiment further comprises a flow sensor 7 and a domestic water tank 10, wherein the flow sensor 7 is arranged on a pipeline from an outlet of the mixer 6 to the working medium pump, and a cooling water outlet 502 of the condenser 5 is connected to the domestic water tank 10.
The working process of the marine organic Rankine cycle non-azeotropic working medium component adjusting system of the embodiment is as follows:
the liquid mixed working medium is changed into high-temperature steam after passing through the evaporator 2, the high-temperature steam pushes the expander 3 to do work to drive the generator to generate electricity, exhaust gas of the expander 3 enters the condenser 5 through the heat regenerator 4, the condensed liquid working medium enters the liquid storage tank I15, and the working medium in the liquid storage tank I15 flows through the heat regenerator 4 through the working medium pump I11 to enter a liquid phase inlet of the evaporator 2 to complete one-time circulation. The working medium in the first liquid storage tank 15 enters the component adjusting system on the other hand, firstly, a part of the working medium in the first liquid storage tank 15 is guided into the fractionating tower 8 through the working medium pump II 12 according to a component control strategy, wherein the low boiling point working medium (benzene) enters the third liquid storage tank 17, the high boiling point working medium (m-xylene) enters the second liquid storage tank 16, the control valve I20 and the control valve II 21 are used for controlling the flow of liquid at a high boiling point outlet and a low boiling point outlet of the fractionating tower 8, and the working medium in the second liquid storage tank 16 and the working medium in the third liquid storage tank 17 are respectively guided into the mixer 6 through the power pump I13 and the power pump II 14 to form a new mixed working medium combination. The rotating speeds of the first power pump 13 and the second power pump 14 are controlled by the controller 9, and the flow rates of benzene and m-xylene are respectively adjusted, so that the component concentration of the mixed working medium is controlled.
For the component adjusting system, firstly, the temperature sensor 18 obtains the temperature of the cooling water inlet 501, the optimal mixed working medium component distribution ratio at the temperature is obtained through optimization calculation, the numerical values of the temperature sensor 18 and the working medium component concentration sensor 19 are used as the input quantity of the controller 9, and the control valve I20, the control valve II 21, the power pump I13 and the power pump II 14 are controlled according to the component calculation results until the concentration value of the working medium component concentration sensor 19 is the target component concentration.
The cold source of the condenser 5 is fresh water with the same temperature as the seawater, the temperature of the cooling water at the cooling water outlet 502 is controlled to be 40 ℃, the cooling water flows into the domestic water pool 10 completely, the temperature of the cooling water at the cooling water inlet 501 changes along with the temperature of the seawater, and when the temperature of the seawater changes, the optimal working medium proportion at the temperature of the water at that time is realized by adopting a component control strategy.
According to the organic Rankine cycle non-azeotropic working medium component adjusting system for the ship, the organic Rankine cycle non-azeotropic working medium component for the ship is adjusted to be combined with the domestic water for the ship, and the most appropriate working medium component is matched according to different seawater temperatures; the optimal working medium components are mixed by adopting a control strategy of taking the inlet temperature of the cooling water as the control input quantity and adjusting related valves and pumps. For the component adjustment of the non-azeotropic working medium, firstly, a working medium combination with higher efficiency is found out according to the condition of a heat source, and the organic mixed working medium suitable for ships is determined by a large amount of simulation calculation. In the existing marine organic Rankine cycle technology, only a waste heat power generation technology is involved, and the source and the application of cooling water are not mentioned.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (8)

1. A marine organic Rankine cycle non-azeotropic working medium component adjusting system is characterized by comprising a main system and a subsystem, wherein the main system comprises: the system comprises an engine (1), a condenser (5) and a plurality of working medium pumps, wherein the condenser (5) comprises a cooling water inlet (501) and a cooling water outlet (502); the subsystem is a component adjusting system and comprises a fractionating tower (8), a plurality of power pumps, a plurality of control valves, a controller (9), a temperature sensor (18) and a working medium component concentration sensor (19), wherein the temperature sensor (18) and the working medium component concentration sensor are in communication connection with the controller (9);
the control method of the component regulating system comprises the following steps: the temperature sensor (18) obtains the temperature I of the cooling water inlet (501), the optimal mixed working medium component distribution ratio at the next moment of the temperature is obtained through optimization calculation, the numerical values of the temperature sensor (18) and the working medium component concentration sensor (19) are used as the input quantity of the controller (9), and the control valves and the power pumps are controlled according to the component calculation result until the component of the working medium component concentration sensor (19) is the target component;
the component adjusting system also comprises a plurality of liquid storage tanks, including a first liquid storage tank (15), a second liquid storage tank (16) and a third liquid storage tank (17);
the marine organic Rankine cycle non-azeotropic working medium component adjusting system further comprises an evaporator (2), an expander (3) and a heat regenerator (4), a heat source inlet (201) of the evaporator (2) is connected with an outlet of the engine (1), a heat source outlet (202) is connected with a steam inlet of the expander (3), a steam outlet of the expander (3) is connected with a gas inlet of the heat regenerator (4), a gas outlet of the heat regenerator (4) is connected with a hot gas inlet of the condenser (5), a hot gas outlet of the condenser (5) is connected with a first liquid storage tank (15), a first outlet of the first liquid storage tank (15) is connected with a liquid inlet of the heat regenerator (4) through a first working medium pump (11), a liquid outlet of the heat regenerator (4) is connected with a liquid inlet of the evaporator (2), and a second outlet of the first liquid storage tank (15) is connected with a component control system.
2. The organic Rankine cycle non-azeotropic working medium component adjusting system for the ship as claimed in claim 1, wherein an outlet II of the first liquid storage tank (15) is connected with an inlet of the fractionating tower (8) through a working medium pump II (12), a high boiling point outlet of the fractionating tower (8) is connected with a liquid storage tank II (16), and a low boiling point outlet of the fractionating tower (8) is connected with a liquid storage tank III (17).
3. The marine organic rankine cycle non-azeotropic working medium composition regulating system according to claim 1, wherein the high boiling point outlet of the fractionating tower (8) is connected to the second reservoir (16) through the first control valve (20), and the low boiling point outlet is connected to the third reservoir (17) through the second control valve (21).
4. The organic Rankine cycle non-azeotropic working medium component adjusting system for the ship as claimed in claim 1, further comprising a mixer (6), wherein the mixer (6) is arranged below the first liquid storage tank (15), the second liquid storage tank (16) is connected to the mixer (6) through the first power pump (13), the third liquid storage tank (17) is connected to the mixer (6) through the second power pump (14), and an outlet of the mixer (6) is connected to a liquid inlet of the heat regenerator (4) through the first working medium pump (11).
5. The marine organic Rankine cycle non-azeotropic working medium component regulating system according to claim 4, wherein the temperature sensor (18) is provided at a cooling water inlet (501) of the condenser (5), and the working medium component concentration sensor (19) is provided at the mixer (6).
6. The marine organic Rankine cycle non-azeotropic working medium component regulating system according to claim 4, further comprising a flow sensor (7), wherein the flow sensor (7) is arranged on a pipeline from an outlet of the mixer (6) to the working medium pump.
7. The marine organic Rankine cycle non-azeotropic working medium component regulating system according to claim 1, further comprising a domestic water pool (10), wherein a cooling water outlet (502) of the condenser (5) is connected to the domestic water pool (10).
8. The organic Rankine cycle non-azeotropic working medium component adjusting system for the ship as claimed in any one of claims 1 to 7, wherein the cold source of the condenser (5) is fresh water with the same temperature as that of seawater, and the controller (9) controls the temperature of the cooling water at the cooling water outlet (502) to be 40 ℃.
CN202110882803.4A 2021-08-02 2021-08-02 Marine organic Rankine cycle non-azeotropic working medium component adjusting system Active CN113550800B (en)

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Publication number Priority date Publication date Assignee Title
CN107098422B (en) * 2017-04-27 2020-06-16 江苏科技大学 Ship waste heat desalination system and desalination method
CN111852600A (en) * 2019-04-30 2020-10-30 中国船舶重工集团公司第七一一研究所 Cascade type diesel engine waste heat recovery cogeneration system
WO2021133508A2 (en) * 2019-11-27 2021-07-01 Colorado State University Research Foundation Ultra efficient turbo-compression cooling systems
CN111441836A (en) * 2020-04-16 2020-07-24 天津大学 Superimposed organic Rankine cycle for replacing mixed working medium and adjusting method thereof
CN111764980A (en) * 2020-07-28 2020-10-13 上海宝钢节能环保技术有限公司 Variable working medium organic Rankine cycle power generation system

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