WO2022057163A1 - Regenerative thermodynamic cycle and regenerative gas heat-powered apparatus - Google Patents

Regenerative thermodynamic cycle and regenerative gas heat-powered apparatus Download PDF

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Publication number
WO2022057163A1
WO2022057163A1 PCT/CN2021/000186 CN2021000186W WO2022057163A1 WO 2022057163 A1 WO2022057163 A1 WO 2022057163A1 CN 2021000186 W CN2021000186 W CN 2021000186W WO 2022057163 A1 WO2022057163 A1 WO 2022057163A1
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Prior art keywords
heat exchanger
temperature heat
expander
medium channel
regenerator
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PCT/CN2021/000186
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French (fr)
Chinese (zh)
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李华玉
李鸿瑞
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李华玉
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Publication of WO2022057163A1 publication Critical patent/WO2022057163A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/06Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders
    • 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
    • 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
    • F01K7/02Steam 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 the engines being of multiple-expansion type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/08Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors

Definitions

  • the invention belongs to the technical field of thermodynamics and thermodynamics.
  • the gas power device based on the Brayton forward cycle is an important means to realize thermal power conversion; under appropriate conditions - for example, the temperature of the circulating working medium flowing through the outlet of the expander must be higher than that of the compressor. The temperature of the outlet of the machine - adopt the means of recuperation to improve the thermal efficiency.
  • the impeller compressor is suitable for conveying a large flow of working medium, but requires a lower Compression ratio; therefore, in the gas thermal device, it is of positive significance to take appropriate technical means to reduce the compression ratio.
  • the invention proposes a new regenerative thermodynamic cycle.
  • the regenerative technology is used for the purpose of reducing the compression ratio, and is not restricted by the condition that the temperature at the end of the expansion process of the circulating working medium must exceed the temperature at the end of the compression process, and maintains Rationalization of thermal efficiency; based on the new regenerative thermodynamic cycle, the present invention provides a plurality of specific regenerative gas thermodynamic devices.
  • Invention content is used for the purpose of reducing the compression ratio, and is not restricted by the condition that the temperature at the end of the expansion process of the circulating working medium must exceed the temperature at the end of the compression process, and maintains Rationalization of thermal efficiency; based on the new regenerative thermodynamic cycle, the present invention provides a plurality of specific regenerative gas thermodynamic devices. Invention content:
  • the main purpose of the present invention is to provide a regenerative thermodynamic cycle and a regenerative gas thermodynamic device.
  • the specific contents of the invention are described as follows:
  • Regenerative thermodynamic cycle refers to seven processes carried out in sequence by a certain quality of circulating working fluid - the boosting process 12, the self-circulating working fluid endothermic process 23, the high-temperature heat source endothermic process 34, and the depressurization process.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander has a circulating working medium passage through the regenerator The nozzle is communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the dual-energy compressor, and the regenerator and the circulating working fluid channel are communicated with the expander through the high temperature heat exchanger;
  • the high-temperature heat exchanger also has a heat source medium channel that communicates with the outside, and the low-temperature heat exchanger has a cooling medium channel that communicates with the outside.
  • the expander is connected to the dual-energy compressor and transmits power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a diffuser, a nozzle, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander has a circulating working medium channel through the regenerator and the regenerator.
  • the nozzle is communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the diffuser tube, and the regenerator and the circulating working fluid channel are communicated with the expander through the high temperature heat exchanger;
  • the heat exchanger also has a heat source medium channel that communicates with the outside, and the low-temperature heat exchanger also has a cooling medium channel that communicates with the outside to form a regenerative gas thermodynamic device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed increaser, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator;
  • the heat exchanger and the expansion speed-up machine are communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the dual-energy compressor, and the regenerator and the circulating working fluid channel are communicated with the high temperature heat exchanger.
  • the expander is connected; the high temperature heat exchanger and the heat source medium channel are connected to the outside, the low temperature heat exchanger and the cooling medium channel are connected to the outside, the expander and the expansion speed up machine are connected to the dual-energy compressor and transmit power to form a regenerative type Gas thermodynamic device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander has a circulating working medium channel that communicates with the low-temperature heat exchanger.
  • the exchanger also has a circulating working medium channel that communicates with the high-temperature heat exchanger through the compressor and the regenerator, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a circulating working medium channel that communicates with the high-temperature heat exchanger through the regenerator.
  • the high temperature heat exchanger and the heat source medium channel communicate with the outside
  • the low temperature heat exchanger and the cooling medium channel communicate with the outside
  • the expander is connected to the compressor and transmits power to form a regenerative gas thermodynamic device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a low temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has a heat source medium The channel communicates with the low-temperature heat exchanger through the regenerator and the nozzle, the low-temperature heat exchanger and the heat source medium channel communicate with the regenerator through the dual-energy compressor, and the regenerator and the heat source medium channel communicate with the outside; the low-temperature heat exchange The compressor also has a cooling medium channel to communicate with the outside, and the expander is connected to the dual-energy compressor and transmits power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a diffuser, a nozzle, a low temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has a heat source medium channel It communicates with the low temperature heat exchanger through the regenerator and the nozzle, the low temperature heat exchanger and the heat source medium channel communicate with the regenerator through the diffuser tube, the regenerator and the heat source medium channel communicate with the outside, and the low temperature heat exchanger also A cooling medium channel communicates with the outside to form a regenerative gas thermodynamic device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed-up machine, a low-temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has The heat source medium channel is communicated with the low temperature heat exchanger through the regenerator and the expansion speed up machine.
  • the low-temperature heat exchanger also has a cooling medium channel to communicate with the outside, and the expander and the expansion speed-up machine are connected to the dual-energy compressor and transmit power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a low temperature heat exchanger and a regenerator; the expander has a heat source medium channel that communicates with the low temperature heat exchanger, and the low temperature heat exchanger also has a heat source medium The channel communicates with the outside through the compressor and the regenerator, and the heat source medium channel communicates with the expander outside, and the expander and the heat source medium channel communicate with itself through the regenerator; the low-temperature heat exchanger and the cooling medium channel communicate with the outside.
  • the expander is connected to the compressor and transmits power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high-temperature heat exchanger and a regenerator; the expander has a cooling medium channel that communicates with the outside, and there is a cooling medium channel on the outside that passes through the compressor and the regenerator.
  • the heat exchanger communicates with the high-temperature heat exchanger, the high-temperature heat exchanger and the cooling medium channel communicate with the expander, and the expander and the cooling medium channel communicate with itself through the regenerator; the high-temperature heat exchanger and the heat source medium channel communicate with the outside , the expander is connected to the compressor and transmits power to form a regenerative gas thermal device.
  • FIG. 1/8 is an exemplary schematic flow chart of a regenerative thermodynamic cycle provided according to the present invention.
  • Fig. 2/8 is a first principle thermodynamic system diagram of the regenerative gas thermodynamic device provided according to the present invention.
  • Fig. 3/8 is the second principle thermodynamic system diagram of the regenerative gas thermodynamic device provided according to the present invention.
  • 4/8 are diagrams of the third principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
  • 5/8 are diagrams of the fourth principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
  • 6/8 are diagrams of the fifth principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
  • thermodynamic system diagrams of the regenerative gas thermodynamic device provided according to the present invention.
  • Circulating working fluid is carried out - adiabatic pressure boosting and heating process 12, self-circulating working fluid endothermic heating process 23, self-high temperature heat source endothermic heating process 34, adiabatic pressure reduction expansion process 45, and exothermic regenerative cooling process to process 23 56.
  • Energy conversion process - the boosting process 12 of the circulating working fluid is generally completed by a compressor or a dual-energy compressor or a diffuser; the depressurizing and expanding process 45 of the circulating working fluid is generally completed by an expander; the circulating working fluid is generally completed by an expander; The decompression and expansion process 67 is generally completed by an expander or an expansion speed increaser or a nozzle; the mechanical energy released by the expansion is greater than the mechanical energy consumed by the pressure increase, and the net work of the cycle is output to the outside, forming a regenerative thermodynamic cycle.
  • the regenerative gas thermodynamic device shown in Figure 2/8 is implemented as follows:
  • the expander 1 has a circulating working medium channel through the regenerator 6 and
  • the nozzle 3 is communicated with the low-temperature heat exchanger 5, and the low-temperature heat exchanger 5 and the circulating working fluid channel are communicated with the regenerator 6 through the dual-energy compressor 2, and the regenerator 6 also has a circulating working fluid channel through the high-temperature heat exchanger.
  • the expander 4 communicates with the expander 1; the high temperature heat exchanger 4 also has a heat source medium channel to communicate with the outside, the low temperature heat exchanger 5 also has a cooling medium channel to communicate with the outside, and the expander 1 is connected to the dual-energy compressor 2 and transmits power.
  • the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the nozzle 3 to reduce pressure and increase speed, flows through the low-temperature heat exchanger 5 to release heat and cool down, and flows through the dual-energy compression
  • the machine 2 increases the pressure and heats up and decelerates, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb and heat up, and then enters the expander 1 to depressurize and perform work;
  • the heat source medium passes through the high-temperature heat exchanger 4 to provide high-temperature heat load,
  • the cooling medium takes away the low-temperature heat load through the low-temperature heat exchanger 5, and the work output by the expander 1 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal power device.
  • the regenerative gas thermodynamic device shown in Figure 3/8 is implemented as follows:
  • the tube 3 is communicated with the low temperature heat exchanger 5, the low temperature heat exchanger 5 and the circulating working fluid channel are communicated with the regenerator 6 through the diffuser tube 7, and the regenerator 6 and the circulating working fluid channel are connected with the high temperature heat exchanger 4.
  • the expander 1 is in communication; the high temperature heat exchanger 4 also has a heat source medium channel in communication with the outside, and the low temperature heat exchanger 5 also has a cooling medium channel in communication with the outside.
  • the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the nozzle 3 to reduce pressure and increase speed, flows through the low-temperature heat exchanger 5 to release heat and cool down, and flows through the diffuser pipe 7.
  • the speed is reduced and the pressure is increased, and it flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and increase the temperature, and then enter the expander 1 to depressurize and perform work; the heat source medium passes through the high-temperature heat exchanger 4 to provide high-temperature heat load, and the cooling medium passes through The low-temperature heat exchanger 5 takes away the low-temperature heat load, and the work output by the expander 1 is provided to the outside for power, forming a regenerative gas thermodynamic device.
  • the regenerative gas thermodynamic device shown in Figure 4/8 is implemented as follows:
  • the high-temperature heat exchanger 4 communicates with the expander 1; the high-temperature heat exchanger 4 also has a heat source medium channel that communicates with the outside, the low-temperature heat exchanger 5 also has a cooling medium channel that communicates with the outside, and the expander 1 and the expansion speed-up machine 8 are connected to the outside. Can compressor 2 and transmit power.
  • the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the expansion speed-up machine 8 to depressurize and increase the speed, and flows through the low-temperature heat exchanger 5 to release heat and cool down, Passing through the dual-energy compressor 2, the pressure rises and the temperature is reduced, and the heat is gradually absorbed and heated through the regenerator 6 and the high-temperature heat exchanger 4, and then enters the expander 1 to depressurize and perform work; the heat source medium passes through the high-temperature heat exchanger 4.
  • the cooling medium takes away the low temperature heat load through the low temperature heat exchanger 5, and the work output by the expander 1 and the expansion speed increaser 8 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal power. device.
  • the regenerative gas thermodynamic device shown in Figure 5/8 is implemented as follows:
  • the expander 1 has a circulating working medium channel that communicates with the low-temperature heat exchanger 5, and the low-temperature heat exchange
  • the compressor 5 also has a circulating working medium channel that communicates with the high-temperature heat exchanger 4 through the compressor 9 and the regenerator 6.
  • the high-temperature heat exchanger 4 also has a circulating working medium channel that communicates with the expander 1, and the expander 1 also has a circulating working medium.
  • the channel communicates with itself through the regenerator 6; the high temperature heat exchanger 4 also has a heat source medium channel to communicate with the outside, the low temperature heat exchanger 5 also has a cooling medium channel to communicate with the outside, and the expander 1 is connected to the compressor 9 and transmits power.
  • the circulating working medium discharged from the expander 1 flows through the low-temperature heat exchanger 5 to release heat and cool down, flows through the compressor 9 to raise the pressure, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and The temperature rises, enters the expander 1 to depressurize the work to a certain extent, and then flows through the regenerator 6 to release heat and cool down, and then enters the expander 1 to continue depressurization and work; the heat source medium provides high-temperature heat load through the high-temperature heat exchanger 4, and the cooling medium passes through The low-temperature heat exchanger 5 takes away the low-temperature heat load, and the work output by the expander 1 is provided to the compressor 9 and the external power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device shown in Fig. 6/8 is realized as follows:
  • the regenerator 6 and the nozzle 3 communicate with the low-temperature heat exchanger 5.
  • the low-temperature heat exchanger 5 also has a heat source medium channel that communicates with the regenerator 6 through the dual-energy compressor 2.
  • the regenerator 6 also has a heat source medium channel.
  • External communication; low temperature heat exchanger 5 and cooling medium passages communicate with the outside, expander 1 is connected to dual-energy compressor 2 and transmits power.
  • the external heat source medium flows through the expander 1 to decompress and perform work, flows through the regenerator 6 to release heat and cools down, flows through the nozzle 3 to reduce pressure and increase speed, and flows through the low-temperature heat exchanger 5 to release heat and reduce the temperature, Passing through the dual-energy compressor 2 to increase the pressure and increase the temperature and reduce the speed, and then pass through the regenerator 6 to absorb heat and heat up, and then discharge to the outside; Load, the work output by the expander 1 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device shown in Fig. 7/8 is realized as follows:
  • the expander 1 has a heat source medium channel that communicates with the low temperature heat exchanger 5, and the low temperature heat exchanger 5 also has a heat source medium
  • the channel is communicated with the outside through the compressor 9 and the regenerator 6, and the heat source medium channel is communicated with the expander 1 outside, and the expander 1 and the heat source medium channel are communicated with itself through the regenerator 6;
  • the low-temperature heat exchanger 5 also has The cooling medium passage communicates with the outside, and the expander 1 is connected to the compressor 9 and transmits power.
  • the external heat source medium enters the expander 1 to depressurize the work to a certain degree, and then flows through the regenerator 6 to release heat and cool down, and then enters the expander 1 to continue depressurization and work; the heat source medium discharged from the expander 1 flows through The low-temperature heat exchanger 5 releases heat to cool down, flows through the compressor 9 to raise the pressure, and flows through the regenerator 6 to absorb heat and raise the temperature, and then discharge to the outside; Taking away the low temperature heat load, the work output by the expander 1 is provided to the compressor 9 and the external power to form a regenerative gas thermal device.
  • the regenerative gas thermodynamic device shown in Fig. 8/8 is realized as follows:
  • the expander 1 has a cooling medium channel that communicates with the outside, and the outside also has a cooling medium channel that passes through the compressor 9 and regenerates heat.
  • the heat exchanger 6 communicates with the high temperature heat exchanger 4, the high temperature heat exchanger 4 and the cooling medium channel communicate with the expander 1, and the expander 1 and the cooling medium channel communicate with itself through the regenerator 6;
  • the high temperature heat exchanger 4 also has The heat source medium channel communicates with the outside, and the expander 1 is connected to the compressor 9 to transmit power.
  • the external cooling medium flows through the compressor 9 to increase the pressure and temperature, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and increase the temperature.
  • Heater 6 releases heat and cools down, and then enters expander 1 to continue depressurization to perform work and discharge to the outside;
  • the work is provided to the compressor 9 and external power to form a regenerative gas thermal device.
  • the regenerative thermodynamic cycle can effectively reduce the cycle compression ratio, and provide the basic working principle for improving the circulating working medium flow and selecting a large-flow compressor.
  • the regenerative gas thermal device provides a variety of technical solutions to realize the rational utilization of energy.
  • the regenerative gas thermodynamic device has simple and reasonable technical measures, which is beneficial to expand the application range of the gas thermodynamic device.

Abstract

A regenerative thermodynamic cycle and a regenerative gas heat-powered apparatus, related to thermodynamics and the technical field of thermal power. A certain mass of a work medium sequentially undergoes seven processes—a pressurizing process 12, a process of absorbing heat from the circulating work medium 23, a process of absorbing heat from a high-temperature heat source 34, a depressurizing process 45, a process of discharging heat to the circulating work medium 56, a depressurizing process 67, and a process of discharging heat to a low-temperature heat source 71—composing a regenerative thermodynamic cycle. The corresponding regenerative gas heat-powered apparatus is constructed on the basis of the regenerative thermodynamic cycle.

Description

回热式热力循环与回热式气体热动装置Regenerative thermodynamic cycle and regenerative gas thermodynamic device 技术领域:Technical field:
本发明属于热力学与热动技术领域。The invention belongs to the technical field of thermodynamics and thermodynamics.
背景技术:Background technique:
冷需求、热需求和动力需求,为人类生活与生产当中所常见。以气体为循环工质,基于布雷顿正向循环的气体动力装置,是实现热变功的重要手段;在适当条件下——比如,循环工质流经膨胀机出口时的温度必须要大于压缩机出口的温度——采用回热手段,以提高热效率。不过,在传统的气体动力装置中,由于气体工质以显热方式获取高温热负荷,需要大流量以提高装置热变功负荷;叶轮式压缩机适合输送大流量工作介质,但要求较低的压缩比;因此,在气体热动装置中,采取适当的技术手段来降低压缩比具有积极意义。Cold demand, heat demand and power demand are common in human life and production. Using gas as the circulating working medium, the gas power device based on the Brayton forward cycle is an important means to realize thermal power conversion; under appropriate conditions - for example, the temperature of the circulating working medium flowing through the outlet of the expander must be higher than that of the compressor. The temperature of the outlet of the machine - adopt the means of recuperation to improve the thermal efficiency. However, in the traditional gas power plant, since the gas working medium obtains the high temperature heat load by sensible heat, a large flow rate is required to increase the thermal variable power load of the device; the impeller compressor is suitable for conveying a large flow of working medium, but requires a lower Compression ratio; therefore, in the gas thermal device, it is of positive significance to take appropriate technical means to reduce the compression ratio.
本发明提出了一种新的回热式热力循环,其回热技术手段的采用以降低压缩比为目的,且不受制于循环工质膨胀过程末端温度必须超过压缩过程末端温度条件限制,并保持热效率的合理化;基于新的回热式热力循环,本发明给出了多个具体的回热式气体热动装置。发明内容:The invention proposes a new regenerative thermodynamic cycle. The regenerative technology is used for the purpose of reducing the compression ratio, and is not restricted by the condition that the temperature at the end of the expansion process of the circulating working medium must exceed the temperature at the end of the compression process, and maintains Rationalization of thermal efficiency; based on the new regenerative thermodynamic cycle, the present invention provides a plurality of specific regenerative gas thermodynamic devices. Invention content:
本发明主要目的是要提供回热式热力循环与回热式气体热动装置,具体发明内容分项阐述如下:The main purpose of the present invention is to provide a regenerative thermodynamic cycle and a regenerative gas thermodynamic device. The specific contents of the invention are described as follows:
1.回热式热力循环,是指由一定质量的循环工质依序进行的七个过程——升压过程12,自循环工质吸热过程23,自高温热源吸热过程34,降压过程45,向循环工质放热过程56,降压过程67,向低温热源放热过程71——组成的闭合过程;其中,过程56的放热满足过程23的吸热。1. Regenerative thermodynamic cycle refers to seven processes carried out in sequence by a certain quality of circulating working fluid - the boosting process 12, the self-circulating working fluid endothermic process 23, the high-temperature heat source endothermic process 34, and the depressurization process. Process 45, exothermic process 56 to circulating working medium, depressurization process 67, exothermic process 71 to low temperature heat source—a closed process composed; wherein, the exothermic process of process 56 meets the endothermic process of process 23.
2.回热式气体热动装置,主要由膨胀机、双能压缩机、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机有循环工质通道经回热器和喷管与低温热交换器连通,低温热交换器还有循环工质通道经双能压缩机与回热器连通,回热器还有循环工质通道经高温热交换器与膨胀机连通;高温热交换器还有热源介质通道与外部连通,低温热交换器还有冷却介质通道与外部连通,膨胀机连接双能压缩机并传输动力,形成回热式气体热动装置。2. The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander has a circulating working medium passage through the regenerator The nozzle is communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the dual-energy compressor, and the regenerator and the circulating working fluid channel are communicated with the expander through the high temperature heat exchanger; The high-temperature heat exchanger also has a heat source medium channel that communicates with the outside, and the low-temperature heat exchanger has a cooling medium channel that communicates with the outside. The expander is connected to the dual-energy compressor and transmits power to form a regenerative gas thermal device.
3.回热式气体热动装置,主要由膨胀机、扩压管、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机有循环工质通道经回热器和喷管与低温热交换器连通,低温热交换器还有循环工质通道经扩压管与回热器连通,回热器还有循环工质通道经高温热交换器与膨胀机连通;高温热交换器还有热源介质通道与外部连通,低温热交换器还有冷却介质通道与外部连通,形成回热式气体热动装置。3. The regenerative gas thermodynamic device is mainly composed of an expander, a diffuser, a nozzle, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander has a circulating working medium channel through the regenerator and the regenerator. The nozzle is communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the diffuser tube, and the regenerator and the circulating working fluid channel are communicated with the expander through the high temperature heat exchanger; The heat exchanger also has a heat source medium channel that communicates with the outside, and the low-temperature heat exchanger also has a cooling medium channel that communicates with the outside to form a regenerative gas thermodynamic device.
4.回热式气体热动装置,主要由膨胀机、双能压缩机、膨胀增速机、高温热交换器、低温热交换器和回热器所组成;膨胀机有循环工质通道经回热器和膨胀增速机与低温热交换器连通,低温热交换器还有循环工质通道经双能压缩机与回热器连通,回热器还有循环工质通道经高温热交换器与膨胀机连通;高温热交换器还有热源介质通道与外部连通,低温热交换器还有冷却介质通道与外部连通,膨胀机和膨胀增速机连接双能压缩机并传输动力,形成回热式气体热动装置。4. The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed increaser, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; The heat exchanger and the expansion speed-up machine are communicated with the low temperature heat exchanger, the low temperature heat exchanger and the circulating working fluid channel are communicated with the regenerator through the dual-energy compressor, and the regenerator and the circulating working fluid channel are communicated with the high temperature heat exchanger. The expander is connected; the high temperature heat exchanger and the heat source medium channel are connected to the outside, the low temperature heat exchanger and the cooling medium channel are connected to the outside, the expander and the expansion speed up machine are connected to the dual-energy compressor and transmit power to form a regenerative type Gas thermodynamic device.
5.回热式气体热动装置,主要由膨胀机、压缩机、高温热交换器、低温热交换器和回热器所组成;膨胀机有循环工质通道与低温热交换器连通,低温热交换器还有循环工质通道经压缩机和回热器与高温热交换器连通,高温热交换器还有循环工质通道与膨胀机连通,膨胀机还有循环工质通道经回热器与自身连通;高温热交换器还有热源介质通道与外部连通,低温热交换器还有冷却介质通道与外部连通,膨胀机连接压缩机并传输动力,形成回热式气体热动装置。5. The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander has a circulating working medium channel that communicates with the low-temperature heat exchanger. The exchanger also has a circulating working medium channel that communicates with the high-temperature heat exchanger through the compressor and the regenerator, the high-temperature heat exchanger also has a circulating working medium channel that communicates with the expander, and the expander also has a circulating working medium channel that communicates with the high-temperature heat exchanger through the regenerator. The high temperature heat exchanger and the heat source medium channel communicate with the outside, the low temperature heat exchanger and the cooling medium channel communicate with the outside, and the expander is connected to the compressor and transmits power to form a regenerative gas thermodynamic device.
6.回热式气体热动装置,主要由膨胀机、双能压缩机、喷管、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机连通,膨胀机还有热源介质通道经回热器和喷管与低温热交换器连通,低温热交换器还有热源介质通道经双能压缩机与回热器连通,回热器还有热源介质通道与外部连通;低温热交换器还有冷却介质通道与外部连通,膨胀机连接双能压缩机并传输动力,形成回热式气体热动装置。6. The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a low temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has a heat source medium The channel communicates with the low-temperature heat exchanger through the regenerator and the nozzle, the low-temperature heat exchanger and the heat source medium channel communicate with the regenerator through the dual-energy compressor, and the regenerator and the heat source medium channel communicate with the outside; the low-temperature heat exchange The compressor also has a cooling medium channel to communicate with the outside, and the expander is connected to the dual-energy compressor and transmits power to form a regenerative gas thermal device.
7.回热式气体热动装置,主要由膨胀机、扩压管、喷管、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机连通,膨胀机还有热源介质通道经回热器和喷管与低温热交换器连通,低温热交换器还有热源介质通道经扩压管与回热器连通,回热器还有热源介质通道与外部连通,低温热交换器还有冷却介质通道与外部连通,形成回热式气体热动装置。7. The regenerative gas thermodynamic device is mainly composed of an expander, a diffuser, a nozzle, a low temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has a heat source medium channel It communicates with the low temperature heat exchanger through the regenerator and the nozzle, the low temperature heat exchanger and the heat source medium channel communicate with the regenerator through the diffuser tube, the regenerator and the heat source medium channel communicate with the outside, and the low temperature heat exchanger also A cooling medium channel communicates with the outside to form a regenerative gas thermodynamic device.
8.回热式气体热动装置,主要由膨胀机、双能压缩机、膨胀增速机、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机连通,膨胀机还有热源介质通道经回热器和膨胀增速机与低温热交换器连通,低温热交换器还有热源介质通道经双能压缩机与回热器连通,回热器还有热源介质通道与外部连通;低温热交换器还有冷却介质通道与外部连通,膨胀机和膨胀增速机连接双能压缩机并传输动力,形成回热式气体热动装置。8. The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed-up machine, a low-temperature heat exchanger and a regenerator; the external heat source medium channel is connected to the expander, and the expander also has The heat source medium channel is communicated with the low temperature heat exchanger through the regenerator and the expansion speed up machine. The low-temperature heat exchanger also has a cooling medium channel to communicate with the outside, and the expander and the expansion speed-up machine are connected to the dual-energy compressor and transmit power to form a regenerative gas thermal device.
9.回热式气体热动装置,主要由膨胀机、压缩机、低温热交换器和回热器所组成;膨胀机有热源介质通道与低温热交换器连通,低温热交换器还有热源介质通道经压缩机和回热器与外部连通,外部还有热源介质通道与膨胀机连通,膨胀机还有热源介质通道经回热器与自身连通;低温热交换器还有冷却介质通道与外部连通,膨胀机连接压缩机并传输动力,形成回热式气体热动装置。9. The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a low temperature heat exchanger and a regenerator; the expander has a heat source medium channel that communicates with the low temperature heat exchanger, and the low temperature heat exchanger also has a heat source medium The channel communicates with the outside through the compressor and the regenerator, and the heat source medium channel communicates with the expander outside, and the expander and the heat source medium channel communicate with itself through the regenerator; the low-temperature heat exchanger and the cooling medium channel communicate with the outside. , the expander is connected to the compressor and transmits power to form a regenerative gas thermal device.
10.回热式气体热动装置,主要由膨胀机、压缩机、高温热交换器和回热器所组成;膨胀机有冷却介质通道与外部连通,外部还有冷却介质通道经压缩机和回热器与高温热交换器连通,高温热交换器还有冷却介质通道与膨胀机连通,膨胀机还有冷却介质通道经回热器与自身连通;高温热交换器还有热源介质通道与外部连通,膨胀机连接压缩机并传输动力,形成回热式气体热动装置。10. The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high-temperature heat exchanger and a regenerator; the expander has a cooling medium channel that communicates with the outside, and there is a cooling medium channel on the outside that passes through the compressor and the regenerator. The heat exchanger communicates with the high-temperature heat exchanger, the high-temperature heat exchanger and the cooling medium channel communicate with the expander, and the expander and the cooling medium channel communicate with itself through the regenerator; the high-temperature heat exchanger and the heat source medium channel communicate with the outside , the expander is connected to the compressor and transmits power to form a regenerative gas thermal device.
附图说明:Description of drawings:
图1/8是依据本发明所提供的回热式热力循环原则性流程示例图。FIG. 1/8 is an exemplary schematic flow chart of a regenerative thermodynamic cycle provided according to the present invention.
图2/8是依据本发明所提供的回热式气体热动装置第1种原则性热力系统图。Fig. 2/8 is a first principle thermodynamic system diagram of the regenerative gas thermodynamic device provided according to the present invention.
图3/8是依据本发明所提供的回热式气体热动装置第2种原则性热力系统图。Fig. 3/8 is the second principle thermodynamic system diagram of the regenerative gas thermodynamic device provided according to the present invention.
图4/8是依据本发明所提供的回热式气体热动装置第3种原则性热力系统图。4/8 are diagrams of the third principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
图5/8是依据本发明所提供的回热式气体热动装置第4种原则性热力系统图。5/8 are diagrams of the fourth principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
图6/8是依据本发明所提供的回热式气体热动装置第5种原则性热力系统图。6/8 are diagrams of the fifth principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
图7/8是依据本发明所提供的回热式气体热动装置第6种原则性热力系统图。7/8 are diagrams of the sixth principle thermodynamic system of the regenerative gas thermodynamic device provided according to the present invention.
图8/8是依据本发明所提供的回热式气体热动装置第7种原则性热力系统图。8/8 are the seventh principle thermodynamic system diagrams of the regenerative gas thermodynamic device provided according to the present invention.
图中,1-膨胀机,2-双能压缩机,3-喷管,4-高温热交换器,5-低温热交换器,6-回热器,7-扩压管,8-膨胀增速机,9-压缩机。In the figure, 1-expander, 2-dual-energy compressor, 3-nozzle, 4-high temperature heat exchanger, 5-low temperature heat exchanger, 6-regenerator, 7-diffuser, 8-expansion booster Speed machine, 9-compressor.
具体实施方式:detailed description:
首先要说明的是,在结构和流程的表述上,非必要情况下不重复进行;对显而易见的流程不作表述。下面结合附图和实例来详细描述本发明。The first thing to note is that in the presentation of structure and process, it will not be repeated unless it is necessary; the obvious process will not be described. The present invention will be described in detail below with reference to the accompanying drawings and examples.
图1/8所示T-s图中的回热式热力循环示例是这样进行的:The example of a regenerative thermodynamic cycle in the T-s diagram shown in Fig. 1/8 proceeds like this:
(1)从循环过程上看:(1) From the perspective of the cycle process:
循环工质进行——绝热升压升温过程12,自循环工质吸热升温过程23,自高温热源吸热升温过程34,绝热降压膨胀过程45,向过程23进行放热的回热降温过程56,绝热降压膨胀过程67,向低温热源放热降温过程71——共7个过程。Circulating working fluid is carried out - adiabatic pressure boosting and heating process 12, self-circulating working fluid endothermic heating process 23, self-high temperature heat source endothermic heating process 34, adiabatic pressure reduction expansion process 45, and exothermic regenerative cooling process to process 23 56. Adiabatic pressure reduction and expansion process 67, heat release to low temperature heat source and cooling process 71 - a total of 7 processes.
(2)从能量转换上看:(2) From the perspective of energy conversion:
①吸热过程——循环工质进行23过程需要的热量,由56放热过程来满足——回热;循环工质进行34过程需要的热量,由高温热源提供。① Endothermic process - the heat required for the circulating working medium to carry out the 23 process is met by the 56 exothermic process - recuperation; the heat required for the circulating working medium to carry out the 34 process is provided by a high temperature heat source.
②放热过程——循环工质进行56过程的放热,用于满足23过程的吸热需求;循环工质进行71过程的放热,向低温热源释放。②Exothermic process - the exothermic process of the circulating working fluid in the process of 56 is used to meet the endothermic demand of the process of 23; the exothermic process of the circulating working fluid in the process of 71 is released to the low temperature heat source.
③能量转换过程——循环工质的升压过程12一般由压缩机或双能压缩机或扩压管来完成;循环工质的降压膨胀过程45,一般由膨胀机来完成;循环工质的降压膨胀过程67,一般由膨胀机或膨胀增速机或喷管来完成;膨胀释放机械能大于升压消耗机械能,循环净功对外输出,形成回热式热力循环。③ Energy conversion process - the boosting process 12 of the circulating working fluid is generally completed by a compressor or a dual-energy compressor or a diffuser; the depressurizing and expanding process 45 of the circulating working fluid is generally completed by an expander; the circulating working fluid is generally completed by an expander; The decompression and expansion process 67 is generally completed by an expander or an expansion speed increaser or a nozzle; the mechanical energy released by the expansion is greater than the mechanical energy consumed by the pressure increase, and the net work of the cycle is output to the outside, forming a regenerative thermodynamic cycle.
图2/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Figure 2/8 is implemented as follows:
(1)结构上,它主要由膨胀机、双能压缩机、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机1有循环工质通道经回热器6和喷管3与低温热交换器5连通,低温热交换器5还有循环工质通道经双能压缩机2与回热器6连通,回热器6还有循环工质通道经高温热交换器4与膨胀机1连通;高温热交换器4还有热源介质通道与外部连通,低温热交换器5还有冷却介质通道与外部连通,膨胀机1连接双能压缩机2并传输动力。(1) Structurally, it is mainly composed of an expander, a dual-energy compressor, a nozzle, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander 1 has a circulating working medium channel through the regenerator 6 and The nozzle 3 is communicated with the low-temperature heat exchanger 5, and the low-temperature heat exchanger 5 and the circulating working fluid channel are communicated with the regenerator 6 through the dual-energy compressor 2, and the regenerator 6 also has a circulating working fluid channel through the high-temperature heat exchanger. 4 communicates with the expander 1; the high temperature heat exchanger 4 also has a heat source medium channel to communicate with the outside, the low temperature heat exchanger 5 also has a cooling medium channel to communicate with the outside, and the expander 1 is connected to the dual-energy compressor 2 and transmits power.
(2)流程上,膨胀机1排放的循环工质流经回热器6放热降温,流经喷管3降压增速,流经低温热交换器5放热降温,流经双能压缩机2升压升温并降速,流经回热器6和高温热交换器4逐步吸热并升温,之后进入膨胀机1降压作功;热源介质通过高温热交换器4提供高温热负荷,冷却介质通过低温热交换器5带走低温热负荷,膨胀机1输出的功提供给双能压缩机2和外部作动力,形成回热式气体热动装置。(2) In the process, the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the nozzle 3 to reduce pressure and increase speed, flows through the low-temperature heat exchanger 5 to release heat and cool down, and flows through the dual-energy compression The machine 2 increases the pressure and heats up and decelerates, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb and heat up, and then enters the expander 1 to depressurize and perform work; the heat source medium passes through the high-temperature heat exchanger 4 to provide high-temperature heat load, The cooling medium takes away the low-temperature heat load through the low-temperature heat exchanger 5, and the work output by the expander 1 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal power device.
图3/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Figure 3/8 is implemented as follows:
(1)结构上,它主要由膨胀机、扩压管、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机1有循环工质通道经回热器6和喷管3与低温热交换器5连通,低温热交换器5还有循环工质通道经扩压管7与回热器6连通,回热器6还有循环工质通道经高温热交换器4与膨胀机1连通;高温热交换器4还有热源介质通道与外部连通,低温热交换器5还有冷却介质通道与外部连通。(1) Structurally, it is mainly composed of an expander, a diffuser, a nozzle, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander 1 has a circulating working medium channel through the regenerator 6 and the nozzle. The tube 3 is communicated with the low temperature heat exchanger 5, the low temperature heat exchanger 5 and the circulating working fluid channel are communicated with the regenerator 6 through the diffuser tube 7, and the regenerator 6 and the circulating working fluid channel are connected with the high temperature heat exchanger 4. The expander 1 is in communication; the high temperature heat exchanger 4 also has a heat source medium channel in communication with the outside, and the low temperature heat exchanger 5 also has a cooling medium channel in communication with the outside.
(2)流程上,膨胀机1排放的循环工质流经回热器6放热降温,流经喷管3降压增速,流经低温热交换器5放热降温,流经扩压管7降速升压,流经回热器6和高温热交换器4逐步吸热并升温,之后进入膨胀机1降压作功;热源介质通过高温热交换器4提供高温热负荷,冷却介质通过低温热交换器5带走低温热负荷,膨胀机1输出的功提供给外部作动力,形成回热式气体热动装置。(2) In the process, the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the nozzle 3 to reduce pressure and increase speed, flows through the low-temperature heat exchanger 5 to release heat and cool down, and flows through the diffuser pipe 7. The speed is reduced and the pressure is increased, and it flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and increase the temperature, and then enter the expander 1 to depressurize and perform work; the heat source medium passes through the high-temperature heat exchanger 4 to provide high-temperature heat load, and the cooling medium passes through The low-temperature heat exchanger 5 takes away the low-temperature heat load, and the work output by the expander 1 is provided to the outside for power, forming a regenerative gas thermodynamic device.
图4/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Figure 4/8 is implemented as follows:
(1)结构上,它主要由膨胀机、双能压缩机、膨胀增速机、高温热交换器、低温热交换器和回热器所组成;膨胀机1有循环工质通道经回热器6和膨胀增速机8与低温热交换器5连通,低温热交换器5还有循环工质通道经双能压缩机2与回热器6连通,回热器6还有循环工质通道经高温热交换器4与膨胀机1连通;高温热交换器4还有热源介质通道与外部连通,低温热交换器5还有冷却介质通道与外部连通,膨胀机1和膨胀增速机8连接双能压缩机2并传输动力。(1) Structurally, it is mainly composed of an expander, a dual-energy compressor, an expansion speed-up machine, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander 1 has a circulating working medium channel through the regenerator 6 and the expansion speed-up machine 8 are communicated with the low temperature heat exchanger 5, and the low temperature heat exchanger 5 also has a circulating working medium channel that is communicated with the regenerator 6 through the dual-energy compressor 2, and the regenerator 6 also has a circulating working medium channel through the regenerator 6. The high-temperature heat exchanger 4 communicates with the expander 1; the high-temperature heat exchanger 4 also has a heat source medium channel that communicates with the outside, the low-temperature heat exchanger 5 also has a cooling medium channel that communicates with the outside, and the expander 1 and the expansion speed-up machine 8 are connected to the outside. Can compressor 2 and transmit power.
(2)流程上,膨胀机1排放的循环工质流经回热器6放热降温,流经膨胀增速机8降压作功并增速,流经低温热交换器5放热降温,流经双能压缩机2升压升温并降速,流经回热器6和高温热交换器4逐步吸热并升温,之后进入膨胀机1降压作功;热源介质通过高温热交换器4提供高温热负荷,冷却介质通过低温热交换器5带走低温热负荷,膨胀机1和膨胀增速机8输出的功提供给双能压缩机2和外部作动力,形成回热式气体热动装置。(2) In the process, the circulating working medium discharged from the expander 1 flows through the regenerator 6 to release heat and cool down, flows through the expansion speed-up machine 8 to depressurize and increase the speed, and flows through the low-temperature heat exchanger 5 to release heat and cool down, Passing through the dual-energy compressor 2, the pressure rises and the temperature is reduced, and the heat is gradually absorbed and heated through the regenerator 6 and the high-temperature heat exchanger 4, and then enters the expander 1 to depressurize and perform work; the heat source medium passes through the high-temperature heat exchanger 4. Provide high temperature heat load, the cooling medium takes away the low temperature heat load through the low temperature heat exchanger 5, and the work output by the expander 1 and the expansion speed increaser 8 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal power. device.
图5/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Figure 5/8 is implemented as follows:
(1)结构上,它主要由膨胀机、压缩机、高温热交换器、低温热交换器和回热器所组成;膨胀机1有循环工质通道与低温热交换器5连通,低温热交换器5还有循环工质通道经压缩机9和回热器6与高温热交换器4连通,高温热交换器4还有循环工质通道与膨胀机1连通,膨胀机1还有循环工质通道经回热器6与自身连通;高温热交换器4还有热源介质通道与外部连通,低温热交换器5还有冷却介质通道与外部连通,膨胀机1连接压缩机9并传输动力。(1) Structurally, it is mainly composed of an expander, a compressor, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander 1 has a circulating working medium channel that communicates with the low-temperature heat exchanger 5, and the low-temperature heat exchange The compressor 5 also has a circulating working medium channel that communicates with the high-temperature heat exchanger 4 through the compressor 9 and the regenerator 6. The high-temperature heat exchanger 4 also has a circulating working medium channel that communicates with the expander 1, and the expander 1 also has a circulating working medium. The channel communicates with itself through the regenerator 6; the high temperature heat exchanger 4 also has a heat source medium channel to communicate with the outside, the low temperature heat exchanger 5 also has a cooling medium channel to communicate with the outside, and the expander 1 is connected to the compressor 9 and transmits power.
(2)流程上,膨胀机1排放的循环工质流经低温热交换器5放热降温,流经压缩机9升压升温,流经回热器6和高温热交换器4逐步吸热并升温,进入膨胀机1降压作功至一定程度之后流经回热器6放热降温,之后进入膨胀机1继续降压作功;热源介质通过高温热交换器4提供高温热负荷,冷却介质通过低温热交换器5带走低温热负荷,膨胀机1输出的功提供给压缩机9和外部作动力,形成回热式气体热动装置。(2) In the process, the circulating working medium discharged from the expander 1 flows through the low-temperature heat exchanger 5 to release heat and cool down, flows through the compressor 9 to raise the pressure, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and The temperature rises, enters the expander 1 to depressurize the work to a certain extent, and then flows through the regenerator 6 to release heat and cool down, and then enters the expander 1 to continue depressurization and work; the heat source medium provides high-temperature heat load through the high-temperature heat exchanger 4, and the cooling medium passes through The low-temperature heat exchanger 5 takes away the low-temperature heat load, and the work output by the expander 1 is provided to the compressor 9 and the external power to form a regenerative gas thermal device.
图6/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Fig. 6/8 is realized as follows:
(1)结构上,它主要由膨胀机、双能压缩机、喷管、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机1连通,膨胀机1还有热源介质通道经回热器6和喷管3与低温热交换器5连通,低温热交换器5还有热源介质通道经双能压缩机2与回热器6连通,回热器6还有热源介质通道与外部连通;低温热交换器5还有冷却介质通道与外部连通,膨胀机1连接双能压缩机2并传输动力。(1) Structurally, it is mainly composed of an expander, a dual-energy compressor, a nozzle, a low-temperature heat exchanger and a regenerator; an external heat source medium channel communicates with the expander 1, and the expander 1 also has a heat source medium channel The regenerator 6 and the nozzle 3 communicate with the low-temperature heat exchanger 5. The low-temperature heat exchanger 5 also has a heat source medium channel that communicates with the regenerator 6 through the dual-energy compressor 2. The regenerator 6 also has a heat source medium channel. External communication; low temperature heat exchanger 5 and cooling medium passages communicate with the outside, expander 1 is connected to dual-energy compressor 2 and transmits power.
(2)流程上,外部热源介质流经膨胀机1降压作功,流经回热器6放热降温,流经喷管3降压增速,流经低温热交换器5放热降温,流经双能压缩机2升压升温并降速,流经回热器6吸热升温,之后对外排放;热源介质通过进出流程提供高温热负荷,冷却介质通过低 温热交换器5带走低温热负荷,膨胀机1输出的功提供给双能压缩机2和外部作动力,形成回热式气体热动装置。(2) In the process, the external heat source medium flows through the expander 1 to decompress and perform work, flows through the regenerator 6 to release heat and cools down, flows through the nozzle 3 to reduce pressure and increase speed, and flows through the low-temperature heat exchanger 5 to release heat and reduce the temperature, Passing through the dual-energy compressor 2 to increase the pressure and increase the temperature and reduce the speed, and then pass through the regenerator 6 to absorb heat and heat up, and then discharge to the outside; Load, the work output by the expander 1 is provided to the dual-energy compressor 2 and the external power to form a regenerative gas thermal device.
图7/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Fig. 7/8 is realized as follows:
(1)结构上,它主要由膨胀机、压缩机、低温热交换器和回热器所组成;膨胀机1有热源介质通道与低温热交换器5连通,低温热交换器5还有热源介质通道经压缩机9和回热器6与外部连通,外部还有热源介质通道与膨胀机1连通,膨胀机1还有热源介质通道经回热器6与自身连通;低温热交换器5还有冷却介质通道与外部连通,膨胀机1连接压缩机9并传输动力。(1) Structurally, it is mainly composed of an expander, a compressor, a low temperature heat exchanger and a regenerator; the expander 1 has a heat source medium channel that communicates with the low temperature heat exchanger 5, and the low temperature heat exchanger 5 also has a heat source medium The channel is communicated with the outside through the compressor 9 and the regenerator 6, and the heat source medium channel is communicated with the expander 1 outside, and the expander 1 and the heat source medium channel are communicated with itself through the regenerator 6; the low-temperature heat exchanger 5 also has The cooling medium passage communicates with the outside, and the expander 1 is connected to the compressor 9 and transmits power.
(2)流程上,外部热源介质进入膨胀机1降压作功至一定程度之后流经回热器6放热降温,之后进入膨胀机1继续降压作功;膨胀机1排放的热源介质流经低温热交换器5放热降温,流经压缩机9升压升温,流经回热器6吸热升温,之后对外排放;热源介质通过进出流程提供高温热负荷,冷却介质通过低温热交换器5带走低温热负荷,膨胀机1输出的功提供给压缩机9和外部作动力,形成回热式气体热动装置。(2) In the process, the external heat source medium enters the expander 1 to depressurize the work to a certain degree, and then flows through the regenerator 6 to release heat and cool down, and then enters the expander 1 to continue depressurization and work; the heat source medium discharged from the expander 1 flows through The low-temperature heat exchanger 5 releases heat to cool down, flows through the compressor 9 to raise the pressure, and flows through the regenerator 6 to absorb heat and raise the temperature, and then discharge to the outside; Taking away the low temperature heat load, the work output by the expander 1 is provided to the compressor 9 and the external power to form a regenerative gas thermal device.
图8/8所示的回热式气体热动装置是这样实现的:The regenerative gas thermodynamic device shown in Fig. 8/8 is realized as follows:
(1)结构上,它主要由膨胀机、压缩机、高温热交换器和回热器所组成;膨胀机1有冷却介质通道与外部连通,外部还有冷却介质通道经压缩机9和回热器6与高温热交换器4连通,高温热交换器4还有冷却介质通道与膨胀机1连通,膨胀机1还有冷却介质通道经回热器6与自身连通;高温热交换器4还有热源介质通道与外部连通,膨胀机1连接压缩机9并传输动力。(1) Structurally, it is mainly composed of an expander, a compressor, a high-temperature heat exchanger and a regenerator; the expander 1 has a cooling medium channel that communicates with the outside, and the outside also has a cooling medium channel that passes through the compressor 9 and regenerates heat. The heat exchanger 6 communicates with the high temperature heat exchanger 4, the high temperature heat exchanger 4 and the cooling medium channel communicate with the expander 1, and the expander 1 and the cooling medium channel communicate with itself through the regenerator 6; the high temperature heat exchanger 4 also has The heat source medium channel communicates with the outside, and the expander 1 is connected to the compressor 9 to transmit power.
(2)流程上,外部冷却介质流经压缩机9升压升温,流经回热器6和高温热交换器4逐步吸热并升温,进入膨胀机1降压作功至一定程度之后流经回热器6放热降温,之后进入膨胀机1继续降压作功并对外排放;热源介质通过高温热交换器4提供高温热负荷,冷却介质通过进出流程带走低温热负荷,膨胀机1输出的功提供给压缩机9和外部作动力,形成回热式气体热动装置。(2) In the process, the external cooling medium flows through the compressor 9 to increase the pressure and temperature, and flows through the regenerator 6 and the high-temperature heat exchanger 4 to gradually absorb heat and increase the temperature. Heater 6 releases heat and cools down, and then enters expander 1 to continue depressurization to perform work and discharge to the outside; The work is provided to the compressor 9 and external power to form a regenerative gas thermal device.
本发明技术可以实现的效果——本发明所提出的回热式热力循环与回热式气体热动装置,具有如下效果和优势:The effect that the technology of the present invention can achieve - the regenerative thermodynamic cycle and the regenerative gas thermodynamic device proposed by the present invention have the following effects and advantages:
(1)回热式热力循环,符合热力学原理;回热方式灵活,回热幅度可调节。(1) Regenerative thermodynamic cycle, in line with thermodynamic principles; flexible regenerative mode and adjustable regenerative range.
(2)回热式热力循环,不同温差对应合适的回热幅度,保持合理的热效率。(2) Regenerative thermodynamic cycle, different temperature differences correspond to appropriate recuperation amplitudes to maintain reasonable thermal efficiency.
(3)回热式热力循环,有效降低循环压缩比,为提高循环工质流量和选用大流量压气机提供基本工作原理。(3) The regenerative thermodynamic cycle can effectively reduce the cycle compression ratio, and provide the basic working principle for improving the circulating working medium flow and selecting a large-flow compressor.
(4)回热式气体热动装置,提供多种技术方案,实现能源合理利用。(4) The regenerative gas thermal device provides a variety of technical solutions to realize the rational utilization of energy.
(5)回热式气体热动装置,技术措施简单合理,有利于扩展气体热动装置的应用范围。(5) The regenerative gas thermodynamic device has simple and reasonable technical measures, which is beneficial to expand the application range of the gas thermodynamic device.

Claims (10)

  1. 回热式热力循环,是指由一定质量的循环工质依序进行的七个过程——升压过程12,自循环工质吸热过程23,自高温热源吸热过程34,降压过程45,向循环工质放热过程56,降压过程67,向低温热源放热过程71——组成的闭合过程;其中,过程56的放热满足过程23的吸热。The regenerative thermodynamic cycle refers to seven processes that are carried out in sequence by a certain quality of circulating working fluid—the boosting process 12, the self-circulating working fluid endothermic process 23, the high-temperature heat source endothermic process 34, and the depressurization process 45 , exothermic process 56 to circulating working medium, depressurization process 67, exothermic process 71 to low temperature heat source—a closed process composed; wherein, the exothermic process of process 56 meets the endothermic heat of process 23.
  2. 回热式气体热动装置,主要由膨胀机、双能压缩机、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机(1)有循环工质通道经回热器(6)和喷管(3)与低温热交换器(5)连通,低温热交换器(5)还有循环工质通道经双能压缩机(2)与回热器(6)连通,回热器(6)还有循环工质通道经高温热交换器(4)与膨胀机(1)连通;高温热交换器(4)还有热源介质通道与外部连通,低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)连接双能压缩机(2)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a high-temperature heat exchanger, a low-temperature heat exchanger and a regenerator; the expander (1) has a circulating working medium channel to be reheated The device (6) and the nozzle (3) are communicated with the low-temperature heat exchanger (5), and the low-temperature heat exchanger (5) and the circulating working medium channel are communicated with the regenerator (6) through the dual-energy compressor (2), The regenerator (6) and the circulating working medium channel are communicated with the expander (1) through the high temperature heat exchanger (4); the high temperature heat exchanger (4) and the heat source medium channel are communicated with the outside, and the low temperature heat exchanger (5) ) and a cooling medium channel that communicates with the outside, and the expander (1) is connected to the dual-energy compressor (2) and transmits power to form a regenerative gas thermal device.
  3. 回热式气体热动装置,主要由膨胀机、扩压管、喷管、高温热交换器、低温热交换器和回热器所组成;膨胀机(1)有循环工质通道经回热器(6)和喷管(3)与低温热交换器(5)连通,低温热交换器(5)还有循环工质通道经扩压管(7)与回热器(6)连通,回热器(6)还有循环工质通道经高温热交换器(4)与膨胀机(1)连通;高温热交换器(4)还有热源介质通道与外部连通,低温热交换器(5)还有冷却介质通道与外部连通,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a diffuser tube, a nozzle, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander (1) has a circulating working medium passage through the regenerator (6) and the nozzle (3) are communicated with the low temperature heat exchanger (5), and the low temperature heat exchanger (5) and the circulating working medium channel are communicated with the regenerator (6) through the diffuser tube (7), and the heat recovery The device (6) also has a circulating working medium channel that communicates with the expander (1) through the high temperature heat exchanger (4); the high temperature heat exchanger (4) also has a heat source medium channel that communicates with the outside, and the low temperature heat exchanger (5) also A cooling medium channel communicates with the outside to form a regenerative gas thermodynamic device.
  4. 回热式气体热动装置,主要由膨胀机、双能压缩机、膨胀增速机、高温热交换器、低温热交换器和回热器所组成;膨胀机(1)有循环工质通道经回热器(6)和膨胀增速机(8)与低温热交换器(5)连通,低温热交换器(5)还有循环工质通道经双能压缩机(2)与回热器(6)连通,回热器(6)还有循环工质通道经高温热交换器(4)与膨胀机(1)连通;高温热交换器(4)还有热源介质通道与外部连通,低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)和膨胀增速机(8)连接双能压缩机(2)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed increaser, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander (1) has a circulating working medium passage through The regenerator (6) and the expansion speed increaser (8) are communicated with the low-temperature heat exchanger (5), and the low-temperature heat exchanger (5) and the circulating working medium channel are connected to the regenerator (5) via the dual-energy compressor (2). 6) Communication, the regenerator (6) and the circulating working medium channel are communicated with the expander (1) through the high temperature heat exchanger (4); the high temperature heat exchanger (4) and the heat source medium channel are communicated with the outside, and the low temperature heat The exchanger (5) and the cooling medium channel communicate with the outside, and the expander (1) and the expansion speed-up machine (8) are connected to the dual-energy compressor (2) and transmit power to form a regenerative gas thermal device.
  5. 回热式气体热动装置,主要由膨胀机、压缩机、高温热交换器、低温热交换器和回热器所组成;膨胀机(1)有循环工质通道与低温热交换器(5)连通,低温热交换器(5)还有循环工质通道经压缩机(9)和回热器(6)与高温热交换器(4)连通,高温热交换器(4)还有循环工质通道与膨胀机(1)连通,膨胀机(1)还有循环工质通道经回热器(6)与自身连通;高温热交换器(4)还有热源介质通道与外部连通,低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)连接压缩机(9)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high temperature heat exchanger, a low temperature heat exchanger and a regenerator; the expander (1) has a circulating working medium channel and a low temperature heat exchanger (5) The low temperature heat exchanger (5) and the circulating working medium channel are communicated with the high temperature heat exchanger (4) through the compressor (9) and the regenerator (6), and the high temperature heat exchanger (4) also has circulating working medium. The channel is communicated with the expander (1), the expander (1) and the circulating working medium channel are communicated with itself through the regenerator (6); the high temperature heat exchanger (4) and the heat source medium channel are communicated with the outside, and the low temperature heat exchange The compressor (5) also has a cooling medium channel to communicate with the outside, and the expander (1) is connected to the compressor (9) and transmits power to form a regenerative gas thermal device.
  6. 回热式气体热动装置,主要由膨胀机、双能压缩机、喷管、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机(1)连通,膨胀机(1)还有热源介质通道经回热器(6)和喷管(3)与低温热交换器(5)连通,低温热交换器(5)还有热源介质通道经双能压缩机(2)与回热器(6)连通,回热器(6)还有热源介质通道与外部连通;低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)连接双能压缩机(2)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, a nozzle, a low-temperature heat exchanger and a regenerator; an external heat source medium channel is communicated with the expander (1), and the expander (1) There is also a heat source medium channel in communication with the low temperature heat exchanger (5) through the regenerator (6) and the nozzle (3), and the low temperature heat exchanger (5) also has a heat source medium channel through the dual energy compressor (2). The heat exchanger (6) communicates with the outside, and the regenerator (6) also has a heat source medium channel that communicates with the outside; the low-temperature heat exchanger (5) also has a cooling medium channel that communicates with the outside, and the expander (1) is connected to the dual-energy compressor (2). ) and transmit power to form a regenerative gas thermodynamic device.
  7. 回热式气体热动装置,主要由膨胀机、扩压管、喷管、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机(1)连通,膨胀机(1)还有热源介质通道经回热器(6) 和喷管(3)与低温热交换器(5)连通,低温热交换器(5)还有热源介质通道经扩压管(7)与回热器(6)连通,回热器(6)还有热源介质通道与外部连通,低温热交换器(5)还有冷却介质通道与外部连通,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a diffuser, a nozzle, a low-temperature heat exchanger and a regenerator; an external heat source medium channel is communicated with the expander (1), and the expander (1) also A heat source medium channel is communicated with the low temperature heat exchanger (5) through the regenerator (6) and the nozzle (3), and the low temperature heat exchanger (5) also has a heat source medium channel through the diffuser tube (7) and the regenerator. (6) Connected, the regenerator (6) also has a heat source medium channel to communicate with the outside, and the low-temperature heat exchanger (5) also has a cooling medium channel to communicate with the outside to form a regenerative gas thermodynamic device.
  8. 回热式气体热动装置,主要由膨胀机、双能压缩机、膨胀增速机、低温热交换器和回热器所组成;外部有热源介质通道与膨胀机(1)连通,膨胀机(1)还有热源介质通道经回热器(6)和膨胀增速机(8)与低温热交换器(5)连通,低温热交换器(5)还有热源介质通道经双能压缩机(2)与回热器(6)连通,回热器(6)还有热源介质通道与外部连通;低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)和膨胀增速机(8)连接双能压缩机(2)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a dual-energy compressor, an expansion speed-up machine, a low-temperature heat exchanger and a regenerator; an external heat source medium channel is communicated with the expander (1), and the expander ( 1) There is also a heat source medium channel connected to the low-temperature heat exchanger (5) through the regenerator (6) and the expansion speed-up machine (8), and the low-temperature heat exchanger (5) also has a heat source medium channel through the dual-energy compressor ( 2) communicate with the regenerator (6), the regenerator (6) and the heat source medium channel communicate with the outside; the low temperature heat exchanger (5) and the cooling medium channel communicate with the outside, the expander (1) and the expansion booster The speed machine (8) is connected to the dual-energy compressor (2) and transmits power to form a regenerative gas thermal device.
  9. 回热式气体热动装置,主要由膨胀机、压缩机、低温热交换器和回热器所组成;膨胀机(1)有热源介质通道与低温热交换器(5)连通,低温热交换器(5)还有热源介质通道经压缩机(9)和回热器(6)与外部连通,外部还有热源介质通道与膨胀机(1)连通,膨胀机(1)还有热源介质通道经回热器(6)与自身连通;低温热交换器(5)还有冷却介质通道与外部连通,膨胀机(1)连接压缩机(9)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a low temperature heat exchanger and a regenerator; the expander (1) has a heat source medium channel communicated with the low temperature heat exchanger (5), and the low temperature heat exchanger (5) (5) There is also a heat source medium channel that communicates with the outside through the compressor (9) and the regenerator (6), and there is also a heat source medium channel outside that communicates with the expander (1), and the expander (1) also has a heat source medium channel through the The regenerator (6) communicates with itself; the low temperature heat exchanger (5) and the cooling medium channel communicate with the outside, and the expander (1) is connected to the compressor (9) and transmits power to form a regenerative gas thermodynamic device.
  10. 回热式气体热动装置,主要由膨胀机、压缩机、高温热交换器和回热器所组成;膨胀机(1)有冷却介质通道与外部连通,外部还有冷却介质通道经压缩机(9)和回热器(6)与高温热交换器(4)连通,高温热交换器(4)还有冷却介质通道与膨胀机(1)连通,膨胀机(1)还有冷却介质通道经回热器(6)与自身连通;高温热交换器(4)还有热源介质通道与外部连通,膨胀机(1)连接压缩机(9)并传输动力,形成回热式气体热动装置。The regenerative gas thermodynamic device is mainly composed of an expander, a compressor, a high-temperature heat exchanger and a regenerator; the expander (1) has a cooling medium channel that communicates with the outside, and the outside has a cooling medium channel through the compressor ( 9) and the regenerator (6) are communicated with the high temperature heat exchanger (4), the high temperature heat exchanger (4) and the cooling medium passage are communicated with the expander (1), and the expander (1) and the cooling medium passage are The regenerator (6) communicates with itself; the high temperature heat exchanger (4) and the heat source medium channel communicate with the outside, and the expander (1) is connected to the compressor (9) and transmits power to form a regenerative gas thermodynamic device.
PCT/CN2021/000186 2020-09-21 2021-09-16 Regenerative thermodynamic cycle and regenerative gas heat-powered apparatus WO2022057163A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936274A (en) * 2010-08-06 2011-01-05 绍兴文理学院 Thermal power generation system based on gas turbine circulation in solar energy regeneration reheating inter-cooling
JP2011256818A (en) * 2010-06-11 2011-12-22 Motoaki Utamura Exhaust heat recovery power plant and combined plant
US20150135713A1 (en) * 2013-11-19 2015-05-21 General Electric Company Steam turbine system and control system therefor
CN107893685A (en) * 2016-10-12 2018-04-10 李华玉 Either simplex matter Steam Combined Cycle and combined cycle Steam Power Equipment
WO2018146624A1 (en) * 2017-02-10 2018-08-16 Spada Srl Semi-closed cycle internal combustion prime mover and semi-closed thermodynamic process for the production of power
CN110685761A (en) * 2018-11-04 2020-01-14 李华玉 Staged evaporation combined cycle power device
CN111594289A (en) * 2020-06-17 2020-08-28 湖南大学 Carbon dioxide Brayton cycle and turbocharged internal combustion engine waste heat utilization system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011256818A (en) * 2010-06-11 2011-12-22 Motoaki Utamura Exhaust heat recovery power plant and combined plant
CN101936274A (en) * 2010-08-06 2011-01-05 绍兴文理学院 Thermal power generation system based on gas turbine circulation in solar energy regeneration reheating inter-cooling
US20150135713A1 (en) * 2013-11-19 2015-05-21 General Electric Company Steam turbine system and control system therefor
CN107893685A (en) * 2016-10-12 2018-04-10 李华玉 Either simplex matter Steam Combined Cycle and combined cycle Steam Power Equipment
WO2018146624A1 (en) * 2017-02-10 2018-08-16 Spada Srl Semi-closed cycle internal combustion prime mover and semi-closed thermodynamic process for the production of power
CN110685761A (en) * 2018-11-04 2020-01-14 李华玉 Staged evaporation combined cycle power device
CN111594289A (en) * 2020-06-17 2020-08-28 湖南大学 Carbon dioxide Brayton cycle and turbocharged internal combustion engine waste heat utilization system

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