CN114893298A - Closed refrigeration energy storage power generation system - Google Patents
Closed refrigeration energy storage power generation system Download PDFInfo
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- CN114893298A CN114893298A CN202210540509.XA CN202210540509A CN114893298A CN 114893298 A CN114893298 A CN 114893298A CN 202210540509 A CN202210540509 A CN 202210540509A CN 114893298 A CN114893298 A CN 114893298A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/14—Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
Abstract
The invention provides a closed refrigeration energy storage power generation system, which belongs to the technical field of energy storage power generation and comprises the following components: the high-temperature heat accumulator is used for absorbing the heat energy of the power plant; the energy releasing mechanism is provided with an energy releasing expander and an energy releasing compressor which are coaxially connected, the energy releasing expander is connected with the power generation unit, a high-temperature heat exchanger is arranged on a pipeline of the energy releasing compressor leading to the energy releasing expander, and a second medium flow channel of the high-temperature heat exchanger is communicated with the high-temperature heat accumulator; the closed refrigeration energy storage power generation system absorbs and stores part of high-grade heat energy of a gas power plant and/or waste heat in turbine exhaust through the high-temperature heat accumulator during the power utilization off-peak period, converts high-grade cold heat energy stored during the power utilization off-peak period into kinetic energy through heat engine circulation of the energy release mechanism during the power utilization off-peak period, and achieves stable operation and deep peak regulation of a gas turbine generator set and recycling of low-grade waste heat in the gas power plant exhaust when the required load on the power grid side is low or the fluctuation is large.
Description
Technical Field
The invention relates to the technical field of energy storage and power generation, in particular to a closed refrigeration energy storage power generation system.
Background
Due to energy transformation, the new energy ratio is improved, and the peak shaving service is required to be provided while the power demand is provided by the thermal power. For example, in a gas power plant, peak shaving is required to satisfy load balancing of a power grid.
However, in the peak shaving process, in order to avoid excessive waste heat loss of the conventional power plant, the energy storage system is required to recover the rest heat so as to realize peak shaving and valley filling.
Disclosure of Invention
Therefore, the invention provides a closed refrigeration energy storage power generation system to solve the technical problem of waste heat recovery of the conventional power plant.
In order to solve the above technical problem, the present invention provides a closed refrigeration energy storage power generation system, including:
the high-temperature heat accumulator is used for absorbing the heat energy of the power plant;
the energy releasing mechanism is provided with an energy releasing expansion machine and an energy releasing compressor which are coaxially connected, the energy releasing expansion machine is connected with the power generation unit, the energy releasing expansion machine is communicated with the energy releasing compressor through a first circulating pipeline, a high-temperature heat exchanger is arranged on a pipeline of the energy releasing compressor leading to the energy releasing expansion machine, and a second medium flow channel of the high-temperature heat exchanger is communicated with the high-temperature heat accumulator.
Optionally, a low-temperature heat exchanger is arranged on a pipeline of the energy releasing expander leading to the energy releasing compressor, a second medium flow channel of the low-temperature heat exchanger is communicated with a low-temperature regenerator, the low-temperature regenerator is communicated with a refrigerating system, and the refrigerating system is driven by a driving mechanism.
Optionally, the refrigeration system comprises: the refrigeration system comprises a refrigeration compressor and a refrigeration expander which are coaxially connected, wherein a cold energy heat exchanger is connected to a pipeline leading to the refrigeration compressor of the refrigeration expander, and the low-temperature cold accumulator is communicated with the cold energy heat exchanger through a third circulating pipeline.
Optionally, the refrigeration compressors have at least two sets of coaxially connected refrigeration compressors, and the two adjacent sets of refrigeration compressors are sequentially communicated through a pipeline.
Optionally, a first radiator is arranged on a pipeline communicated between two adjacent groups of the refrigeration compressors.
Optionally, a second radiator is arranged on a pipeline of the refrigeration compressor leading to the refrigeration expander.
Optionally, a second circulating fan is arranged on the third circulating pipeline, and a fourth circulating fan is arranged on the pipeline between the low-temperature heat exchanger and the low-temperature cold accumulator.
Optionally, a second waste heat discharging radiator is connected to a pipeline of the energy releasing expander leading to the energy releasing compressor.
Optionally, a third circulating fan is connected to a circulating pipeline between the high-temperature heat exchanger and the high-temperature heat accumulator.
Optionally, the high-temperature heat accumulator exchanges heat with heat energy in a combustion chamber of the power plant through a heat energy absorption heat exchanger, and a circulation fan is connected to a circulation pipeline between the high-temperature heat accumulator and the heat energy absorption heat exchanger.
The technical scheme of the invention has the following advantages:
the closed refrigeration energy storage power generation system provided by the invention absorbs and stores part of high-grade heat energy of a gas power plant and/or waste heat in turbine exhaust through the high-temperature heat accumulator during the power utilization off-peak period, converts high-grade cold heat energy stored during the power utilization off-peak period into kinetic energy through the heat engine cycle of the energy release mechanism, and then converts the kinetic energy into electric energy through the power generation unit for release, so that when the required load on the power grid side is low or the fluctuation is large, the stable operation and deep peak regulation of a gas turbine generator set are realized, and the low-grade waste heat in the exhaust of the gas power plant is recycled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front view of an embodiment of a closed refrigeration, energy storage, power generation system provided in an embodiment of the present invention.
Description of reference numerals:
1. an energy releasing compressor; 2. a first waste heat radiator; 3. a high temperature heat exchanger; 4. an energy releasing expander; 5. a power generation unit; 6. a second waste heat radiator; 7. a low temperature heat exchanger; 8. a fourth circulating fan; 9. a low temperature regenerator; 10. a third circulating fan; 11. a high temperature heat accumulator; 12. a compressor; 13. a combustion chamber; 14. a turbine; 15. a generator; 16. a three-way valve; 17. a first circulating fan; 18. a heat energy absorbing heat exchanger; 19. a drive mechanism; 20. a refrigeration expander; 21. a first refrigerant compressor; 22. a second refrigeration compressor; 23. a first heat sink; 24. a second radiator; 25. a second circulating fan; 26. a cold energy heat exchanger.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The closed refrigeration energy storage power generation system that this embodiment provided can be used to carry out the peak clipping with the power plant cooperation and fill out the valley.
As shown in fig. 1, a specific embodiment of the closed refrigeration energy storage power generation system provided in this embodiment includes: a high temperature regenerator 11 and a power release mechanism. The high-temperature heat accumulator 11 is used for absorbing heat energy of a power plant; the energy releasing mechanism is provided with an energy releasing expansion machine 4 and an energy releasing compressor 1 which are coaxially connected, the energy releasing expansion machine 4 is connected with a power generation unit 5, the energy releasing expansion machine 4 is communicated with the energy releasing compressor 1 through a first circulating pipeline, a high-temperature heat exchanger 3 is arranged on a pipeline of the energy releasing compressor 1 leading to the energy releasing expansion machine 4, and a second medium flow channel of the high-temperature heat exchanger 3 is communicated with the high-temperature heat accumulator 11.
The closed refrigeration energy storage power generation system provided by the embodiment absorbs and stores a part of high-grade heat energy in a combustion chamber of a gas power plant and/or waste heat in turbine exhaust through the high-temperature heat accumulator 11 during the power consumption off-peak period, converts high-grade cold heat energy stored during the power consumption off-peak period into kinetic energy through heat engine circulation of the energy release mechanism, and then converts the kinetic energy into electric energy through the power generation unit 5 for releasing, so that when the required load on the power grid side is low or the fluctuation is large, stable operation and deep peak regulation of a gas turbine generator set are realized, and the low-grade waste heat in the exhaust of the gas power plant is recycled.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, a low temperature heat exchanger 7 is disposed on a pipeline leading from the energy release expander 4 to the energy release compressor 1, a second medium flow channel of the low temperature heat exchanger 7 is communicated with a low temperature regenerator 9, the low temperature regenerator 9 is communicated with a refrigeration system, and the refrigeration system is driven by a driving mechanism 19. By means of said cryogenic heat exchanger 7, cold energy absorption can be performed during the passage of the gas from the energy releasing expander to the energy releasing compressor 1.
As shown in fig. 1, in the closed refrigeration energy-storage power generation system provided in this embodiment, a pipeline leading from the energy-releasing expander 4 to the energy-releasing compressor 1 is connected with a second waste heat radiator 6. Through this No. two waste heat dissipation radiators 6 for release from the heat of the gas of energy release expander 4 output, maintain the circulation stable, thereby be convenient for again through releasing the compression of energy compressor 1.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, the refrigeration system includes: the refrigeration system comprises a refrigeration compressor and a refrigeration expander 20 which are coaxially connected, wherein a cold energy heat exchanger 26 is connected to a pipeline leading to the refrigeration compressor through the refrigeration expander 20, and the low-temperature cold accumulator 9 is communicated with the cold energy heat exchanger 26 through a third circulating pipeline. The refrigeration compressor is driven by the driving mechanism 19, the refrigeration medium is compressed by the refrigeration compressor and is driven to flow, the working medium pushes the refrigeration expander to rotate, and the working medium expands and cools in the refrigeration expander to generate cold energy.
As shown in fig. 1, in the closed refrigeration energy-storage power generation system provided in this embodiment, the refrigeration compressor has a first refrigeration compressor 21 and a second refrigeration compressor 22 that are coaxially connected, and two adjacent refrigeration compressors are sequentially communicated with each other through a pipeline. The pressure of the refrigeration medium can be increased step by a plurality of groups of refrigeration compressors which are arranged in series.
As shown in fig. 1, in the closed refrigeration energy-storage power generation system provided in this embodiment, a first radiator 23 is arranged on a pipeline communicating between two adjacent sets of the refrigeration compressors. The first heat sink 23 can reduce the temperature rise of the medium during compression.
As shown in fig. 1, in the closed refrigeration energy-storage power generation system provided in this embodiment, a second radiator 24 is disposed on a pipeline of the refrigeration compressor leading to the refrigeration expander 20. The second radiator 24 can reduce and stabilize the temperature of the refrigerant entering the refrigeration expander 20, and improve the refrigeration capacity and the refrigeration efficiency of the refrigeration expander 20.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, a second circulating fan 25 is disposed on a third circulating pipeline communicated between the low-temperature regenerator 9 and the cold energy heat exchanger 26, and a fourth circulating fan 8 is disposed on a pipeline between the low-temperature heat exchanger 7 and the low-temperature regenerator 9. And the circulating fans are used for respectively improving the flow of gas in the pipelines.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, a third circulating fan 10 is connected to a circulating pipeline between the high-temperature heat exchanger 3 and the high-temperature heat accumulator 11, and the third circulating fan 10 is used for improving the flow of gas in the circulating pipeline.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, the high-temperature heat accumulator 11 exchanges heat with heat energy in the combustion chamber 13 of the power plant through the heat energy absorption heat exchanger 18, a first circulating fan 17 is connected to a circulating pipeline between the high-temperature heat accumulator 11 and the heat energy absorption heat exchanger 18, and the flow of gas in the circulating pipeline is improved by the first circulating fan 17.
As shown in fig. 1, in the closed refrigeration energy storage power generation system provided in this embodiment, the gas power plant includes: a compressor 12 and a turbine 14 which are coaxially connected, and a combustion chamber 13 and a generator 15. Natural gas is introduced into the combustion chamber 13 to combust to generate heat energy, the compressor 12 compresses air, then the air absorbs the heat energy through the combustion chamber 13, then the air is led to the turbine 14 to carry out impulse rotation, the generator 15 is driven to rotate to generate power in the rotation process of the turbine 14, and meanwhile the compressor 12 is driven to rotate to continue to compress fuel gas.
Principle of operation
As shown in fig. 1, in the valley of electricity consumption, a part of high-temperature and high-pressure gas is introduced from the outlet of the combustion chamber, mixed with the turbine exhaust gas through the three-way valve, and then flows into the heat energy absorption heat exchanger to release heat energy. The high-temperature heat accumulator 11 stores thermal energy through heat exchange of the thermal energy absorption heat exchanger 18. When the electricity consumption is in a peak, the heat energy in the high-temperature heat accumulator 11 is extracted through the high-temperature heat exchanger 3 and the third circulating fan 10, then the high-temperature medium is led to the energy-releasing expansion machine 4 through the first circulating pipeline, the energy-releasing expansion machine 4 drives the power generation unit 5 to generate power, and meanwhile, the energy-releasing compressor 1 is driven to rotate synchronously.
The medium after the energy release expansion machine 4 is flushed is conveyed towards the energy release compressor 1 through the first circulating pipeline, passes through the second waste heat dissipation radiator 6 and the low-temperature heat exchanger 7 in sequence on the way, reduces the temperature of the medium, is pressurized through the energy release compressor 1 and then is conveyed towards the high-temperature heat exchanger 3 again, and passes through the first waste heat dissipation radiator 2 on the way.
In the refrigeration system, the drive mechanism 19 drives the refrigeration compressor to rotate, and the kinetic energy generated by the refrigeration expander 20 also drives the refrigeration compressor to rotate synchronously. The refrigeration expander 20 expands and refrigerates the refrigeration medium, and then transmits the expansion and refrigeration medium to the low-temperature cold accumulator 9 through the cold energy heat exchanger 26, the refrigeration medium after being released from the cold energy heat exchanger 26 passes through the first refrigeration compressor 21 and the second refrigeration compressor 22 in sequence, then returns to the refrigeration expander 20, flows out of the first refrigeration compressor 21, passes through the first radiator 23, flows out of the second refrigeration compressor 22, passes through the second radiator 24, and therefore the medium temperature rise caused by compression is reduced. The driving mechanism 19 can be driven by electric energy in the valley period of power utilization, so as to perform the functions of peak clipping and valley filling.
With respect to media selection
The gas medium in the thermal energy storage circuit, the cold energy storage circuit, the heat release circuit, the cold release circuit, the heat pump refrigeration circuit and the cold-heat energy heat engine power generation circuit can be one or more of argon, air, nitrogen, helium and carbon dioxide.
The high-temperature heat accumulator 11 and the low-temperature heat accumulator 9 may be cylinders, spheres or cuboids, and the solid cold and heat accumulation medium may be one or a combination of at least two of rock, sand and stone, metal particles, solid bricks, and the like.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A closed refrigeration energy storage power generation system, comprising:
the high-temperature heat accumulator (11) is used for absorbing the heat energy of the power plant;
the energy releasing mechanism is provided with an energy releasing expansion machine (4) and an energy releasing compressor (1) which are coaxially connected, the energy releasing expansion machine (4) is connected with a power generation unit (5), the energy releasing expansion machine (4) is communicated with the energy releasing compressor (1) through a first circulating pipeline, a high-temperature heat exchanger (3) is arranged on a pipeline of the energy releasing compressor (1) leading to the energy releasing expansion machine (4), and a second medium flow channel of the high-temperature heat exchanger (3) is communicated with the high-temperature heat accumulator (11).
2. The closed refrigeration energy-storage power generation system according to claim 1, wherein a low-temperature heat exchanger (7) is arranged on a pipeline of the energy-releasing expander (4) leading to the energy-releasing compressor (1), a second medium flow channel of the low-temperature heat exchanger (7) is communicated with a low-temperature cold accumulator (9), the low-temperature cold accumulator (9) is communicated with a refrigeration system, and the refrigeration system is driven by a driving mechanism (19).
3. The closed refrigeration energy storage power generation system of claim 2, wherein the refrigeration system comprises: the refrigeration system comprises a refrigeration compressor and a refrigeration expansion machine (20) which are coaxially connected, wherein the refrigeration expansion machine (20) is connected to a cold energy heat exchanger (26) on a pipeline leading to the refrigeration compressor, and the low-temperature cold accumulator (9) is communicated with the cold energy heat exchanger (26) through a third circulating pipeline.
4. The closed refrigeration energy-storage power generation system according to claim 3, wherein the refrigeration compressors are provided with at least two groups which are coaxially connected, and the two adjacent groups of the refrigeration compressors are sequentially communicated through a pipeline.
5. The closed refrigeration energy-storage power generation system according to claim 4, wherein a first radiator (23) is arranged on a pipeline communicated between two adjacent groups of the refrigeration compressors.
6. Closed refrigeration energy-storage power generation system according to claim 5, characterized in that the pipeline of the refrigeration compressor leading to the refrigeration expander (20) is provided with a second radiator (24).
7. The closed refrigeration energy-storage power generation system according to claim 3, wherein a second circulating fan (25) is arranged on the third circulating pipeline, and a fourth circulating fan (8) is arranged on the pipeline between the low-temperature heat exchanger (7) and the low-temperature cold accumulator (9).
8. The closed refrigeration energy-storage power generation system according to any one of claims 1 to 7, wherein a second waste heat discharging radiator (6) is connected to a pipeline of the energy-releasing expander (4) leading to the energy-releasing compressor (1).
9. The closed refrigeration energy storage power generation system according to any one of claims 1 to 7, wherein a third circulating fan (10) is connected to a circulating pipeline between the high-temperature heat exchanger (3) and the high-temperature heat accumulator (11).
10. The closed refrigeration energy-storage power generation system according to any one of claims 1 to 7, wherein the high-temperature heat accumulator (11) exchanges heat with heat energy in a combustion chamber (13) of the power plant through a heat energy absorption heat exchanger (18), and a first circulating fan (17) is connected to a circulating pipeline between the high-temperature heat accumulator (11) and the heat energy absorption heat exchanger (18).
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Cited By (1)
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| CN117239943A (en) * | 2023-11-14 | 2023-12-15 | 百穰新能源科技(深圳)有限公司 | Energy storage system |
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