CN113202572B - Power generation and energy storage dual-mode power system - Google Patents

Power generation and energy storage dual-mode power system Download PDF

Info

Publication number
CN113202572B
CN113202572B CN202110644784.1A CN202110644784A CN113202572B CN 113202572 B CN113202572 B CN 113202572B CN 202110644784 A CN202110644784 A CN 202110644784A CN 113202572 B CN113202572 B CN 113202572B
Authority
CN
China
Prior art keywords
unit
expander
storage cavity
compressor
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110644784.1A
Other languages
Chinese (zh)
Other versions
CN113202572A (en
Inventor
陈海生
张新敬
徐玉杰
刘畅
周学志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Engineering Thermophysics of CAS
Original Assignee
Institute of Engineering Thermophysics of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Engineering Thermophysics of CAS filed Critical Institute of Engineering Thermophysics of CAS
Priority to CN202110644784.1A priority Critical patent/CN113202572B/en
Publication of CN113202572A publication Critical patent/CN113202572A/en
Application granted granted Critical
Publication of CN113202572B publication Critical patent/CN113202572B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/08Adaptations for driving, or combinations with, pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/12Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06Cooling; Heating; Prevention of freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10Adaptations or arrangements of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06Combinations of two or more pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

Abstract

The invention provides a power generation and energy storage dual-mode power system, which comprises: the power generation module is provided with a compressor unit and an expander unit which are connected in series through a pipeline, the output end of the expander unit is connected with a power generator, and the expander unit is used for driving the power generator to generate power; the energy storage module is provided with a gas storage cavity for containing compressed gas, the gas inlet end of the gas storage cavity is communicated with the gas outlet end of the compressor unit, and the gas outlet end of the gas storage cavity is communicated with the gas inlet end of the expander unit; a first control valve is arranged between the air storage cavity and the compressor unit and is used for controlling the connection and disconnection between the air storage cavity and the compressor unit; and a second control valve is arranged between the gas storage cavity and the expansion unit and used for controlling the on-off between the gas storage cavity and the expansion unit. Compressed air released by the air storage cavity enters the expansion unit, and the process is in an energy release mode; the energy releasing mode and the power generation mode of the power generation module are carried out synchronously, and the output power of the power generator is greatly increased.

Description

Power generation and energy storage dual-mode power system
Technical Field
The invention relates to the technical field of energy utilization, in particular to a power generation and energy storage dual-mode power system.
Background
In the face of the development of energy systems such as renewable energy large-scale development, power grid peak shaving and distributed energy supply, an energy power system with multiple application modes needs to be developed, and a wide working condition range needs to be provided at the same time.
At present, a power generation system utilizes surplus electric energy in a period of time to compress and store air, and the stored compressed air is reused to release energy to generate power for end users at a power utilization peak; the power generation system has a single power generation mode and low power generation efficiency.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects of single power generation mode and low power generation efficiency of the power generation system in the prior art, so as to provide a power generation and energy storage dual-mode power train.
In order to solve the above technical problem, the present invention provides a power generation and energy storage dual-mode power system, including:
the power generation module is provided with a compressor unit and an expansion unit which are communicated in series through a pipeline, the output end of the expansion unit is connected with a power generator, and the expansion unit is used for driving the power generator to generate power;
the energy storage module is provided with a gas storage cavity for containing compressed gas, the gas inlet end of the gas storage cavity is communicated with the gas outlet end of the compressor unit, and the gas outlet end of the gas storage cavity is communicated with the gas inlet end of the expander unit;
a first control valve is arranged between the gas storage cavity and the compressor unit and used for controlling the connection and disconnection between the gas storage cavity and the compressor unit; and a second control valve is arranged between the gas storage cavity and the expansion unit and used for controlling the on-off between the gas storage cavity and the expansion unit.
Preferably, a pressure regulating valve is arranged between the air storage cavity and the expansion unit and used for regulating the air outlet pressure of the air storage cavity.
Preferably, a first driving shaft extends from the power end of the compressor unit, a second driving shaft extends from the power end of the expander unit, and the first driving shaft and the second driving shaft are coaxially connected through a clutch.
Preferably, the method further comprises the following steps:
and the combustion chamber is communicated on a pipeline between the compressor unit and the expander unit and is used for heating the compressed air.
Preferably, the method further comprises the following steps:
the preheater is communicated on a pipeline between the compressor unit and the expander unit, the air outlet end of the expander unit is communicated with the preheater, and the preheater is used for heating compressed air.
Preferably, a first branch and a second branch which are arranged in parallel are arranged at the air outlet end of the air storage cavity, the first branch is communicated between the compressor unit and the combustion chamber, and the second branch is communicated between the combustion chamber and the expander unit.
Preferably, the compressor unit is provided with a plurality of compressors which are communicated in series, and heat exchangers are arranged between the adjacent compressors and between the compressors and the gas storage cavity.
Preferably, the expansion unit is provided with a plurality of expansion machines which are communicated in series, and heat exchangers are arranged between the adjacent expansion machines and between the expansion machines and the gas storage cavity.
Preferably, a plurality of third branches connected in parallel are arranged between the compressor unit and the expander unit, and the compressor unit is suitable for being in one-to-one correspondence communication with the expanders in the expander unit through the third branches.
Preferably, the preset temperature of the heat exchanger is ambient temperature.
The technical scheme of the invention has the following advantages:
1. according to the power generation and energy storage dual-mode power system, the air storage cavity is communicated with the compressor unit, meanwhile, the air storage cavity is disconnected from the expander unit, the compressor unit compresses air, and the compressed air is stored in the air storage cavity, wherein the process is an energy storage mode; the air storage cavity is disconnected and communicated with the compressor unit, meanwhile, the air storage cavity is communicated with the expander unit, the released compressed air enters the expander unit, the expander unit drives the generator to generate electricity, and the process is an energy release mode; the compressor unit and the expander unit are communicated in series through a pipeline, air is compressed through the compressor unit, the compressed air enters the expander unit, the expander unit drives the generator to generate electricity, and the process is a power generation mode. The power generation mode and the energy release mode are two working states which are not interfered with each other, and the two modes can be carried out synchronously, so that the output power of the generator is greatly increased.
2. According to the power generation and energy storage dual-mode power system provided by the invention, the pressure of compressed air in the air storage cavity is higher, the exhaust pressure of the air storage cavity is adjusted through the pressure regulating valve to match with expansion units of different models, and the energy waste of the air storage cavity is reduced.
3. According to the power generation and energy storage dual-mode power system, the compressor unit is coaxially connected with the expansion unit in a driving mode, the expansion unit is driven to operate through compressed air, then the second driving shaft of the expansion unit drives the compressor unit to operate, and the compressor unit is driven to operate in a circulating mode, so that the effect of energy conservation is achieved.
4. According to the power generation and energy storage dual-mode power system provided by the invention, the temperature of the compressed air is raised through the combustion chamber, so that the final power generation power is improved.
5. According to the power generation and energy storage dual-mode power system provided by the invention, the preheater is heated by tail gas discharged by the expansion unit, and the preheater heats compressed air; the tail gas is used for heating the compressed air, so that the power generation power is improved, and meanwhile, the energy is saved.
6. According to the power generation and energy storage dual-mode power system provided by the invention, compressed air exhausted from the air storage cavity can directly enter the expansion unit through the second branch circuit, and can also enter the expansion unit after being heated by the combustion chamber through the first branch circuit; the compressed air passing through the first branch circuit has high temperature and large energy, so that the output power of the generator is large, and different branch circuits can be selected to flow through according to actual working conditions.
7. According to the power generation and energy storage dual-mode power system, the heat exchanger between the adjacent compressors is used for cooling the compressed air and reducing the energy consumption of the next-stage compressor in the compression process; the heat exchanger between compressor and the gas storage chamber cools down the compressed air that gets into the gas storage chamber to guarantee that the gas storage chamber can save more compressed air.
8. According to the power generation and energy storage dual-mode power system, the heat exchanger between the expander and the air storage cavity is used for heating compressed air exhausted by the air storage cavity; the heat exchanger between the adjacent expanders heats the gas exhausted by the expanders; the heat exchanger is used for increasing the energy of the compressed air so as to ensure the final output power of the generator.
9. According to the power generation and energy storage dual-mode power system provided by the invention, when the air volume compressed by the compressor unit is larger and the compression ratio is lower, the compressed air can flow through the third branch and enter the expansion machines, and the expansion machines independently work to increase the output power of the generator.
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 schematic diagram of a power generation and storage dual mode power system provided in the present invention.
Fig. 2 is a schematic diagram of a power generation module.
Fig. 3 is a schematic diagram of an energy storage module.
Description of reference numerals:
1. a first compressor; 2. a second compressor; 3. a first expander; 4. a second expander; 5. a first drive shaft; 6. a second drive shaft; 7. a third drive shaft; 8. a first motor; 9. a second motor; 10. a preheater; 11. a combustion chamber; 12. a first pipeline; 13. a third branch; 14. a third control valve; 15. a fourth control valve; 16. a first heat exchanger; 17. a second pipeline; 18. a fifth control valve; 19. a fourth branch; 20. a fifth branch; 21. a gas storage cavity; 22. a first control valve; 23. a third pipeline; 24. a fourth pipeline; 25. a fifth pipeline; 26. a pressure regulating valve; 27. a second control valve; 28. a second heat exchanger; 29. a third heat exchanger; 30. a fourth heat exchanger; 31. a first branch; 32. a second branch; 33. a sixth control valve; 34. a seventh control valve; 35. a clutch; 36. an electric generator.
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 and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those of ordinary skill in the art.
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 power generation and energy storage dual-mode power system provided in the embodiment comprises: the device comprises a power generation module and an energy storage module.
As shown in fig. 1, the compressor unit includes: the compressor comprises a first compressor 1 and a second compressor 2, wherein the first compressor 1 and the second compressor 2 are connected in series through a pipeline. The expander set includes: a first expander 3 and a second expander 4, the first expander 3 and the second expander 4 being connected in series by a pipeline. The power end of the first compressor 1 is connected with a first driving shaft 5, the power end of the first expander 3 is connected with a second driving shaft 6, the first driving shaft 5 is coaxially connected with the second driving shaft 6 through a clutch 35, and the power end of the first expander 3 is coaxially connected with the power end of the second expander 4 through a third driving shaft 7. A first motor 8 is mounted on the first compressor 1, and the first motor 8 is used for driving the first compressor 1 to compress air; a second motor 9 is installed on the second compressor 2, and the second motor 9 is used for driving the second compressor 2 to compress air; the second expander 4 is connected to the generator 36, and is configured to drive the generator 36 to do work and output electric energy. Wherein the power generation module and the energy storage module share the first compressor 1.
As shown in fig. 2, the power generation module includes: a first compressor 1, a preheater 10, a combustion chamber 11, a first expander 3, and a second expander 4. The first compressor 1 and the first expander 3 are connected in series by a first pipe 12, the first expander 3 and the second expander 4 are connected in series by a second pipe 17, and the preheater 10 and the combustor 11 are connected in series to the first pipe 12. A third branch 13 is arranged on the first pipeline 12, one end of the third branch 13 is communicated between the combustion chamber 11 and the first expander 3 through a third control valve 14, and the other end of the third branch 13 is communicated on the second pipeline 17 through a fourth control valve 15; wherein, the third control valve 14 and the fourth control valve 15 are three-way valves. The second pipeline 17 is communicated with a first heat exchanger 16, the preset temperature of the first heat exchanger 16 is the ambient temperature, and the first heat exchanger 16 is used for heating the gas discharged by the first expander 3. The second pipeline 17 is further provided with a fifth control valve 18, the fifth control valve 18 is communicated with the preheater 10 through a fourth branch 19, the gas outlet end of the second expander 4 is communicated with the preheater 10 through a fifth branch 20, and the gas discharged from the first expander 3 and the second expander 4 is used for heating the preheater 10.
As shown in fig. 2, when the air volume of the compressed air compressed by the first compressor 1 is large and the pressure is low, the third control valve 14 and the fourth control valve 15 are opened, a part of the compressed air flows through the first pipeline 12 and directly enters the first expander 3, another part of the compressed air flows through the third branch 13 and enters the second expander 4, and the compressed air drives the first expander 3 and the second expander 4 to independently do work; at the same time, the fifth control valve 18 is opened to communicate the fourth branch 19 with the preheater 10, and the preheater 10 is heated by the off-gas discharged from the first expander 3.
As shown in fig. 2, when the amount of the compressed air compressed by the first compressor 1 is small and the pressure is high, the third control valve 14 and the fourth control valve 15 are closed; the compressed air flows through the first expander 3 and the second expander 4 in sequence to realize gradual expansion and work.
As shown in fig. 1 and 3, the energy storage module includes: a first compressor 1, a second compressor 2 and a reservoir chamber 21. A first control valve 22 is arranged between the first compressor 1 and the second compressor 2, and the first control valve 22 is a three-way valve; the first compressor 1 is communicated with the second compressor 2 through a third pipeline 23, one end of the third pipeline 23 is communicated with the first control valve 22, and the other end of the third pipeline 23 is communicated with the air inlet end of the second compressor 2. The second compressor 2 is communicated with the gas storage cavity 21 through a fourth pipeline 24, a fifth pipeline 25 is arranged at the gas outlet end of the gas storage cavity 21, a pressure regulating valve 26 and a second control valve 27 are communicated with the fifth pipeline 25, and the second control valve 27 is a three-way valve. The air is compressed by the first compressor 1 and the second compressor 2 in sequence and then stored in the air storage cavity 21.
As shown in fig. 3, the third pipeline 23 is communicated with a second heat exchanger 28, the fourth pipeline 24 is communicated with a third heat exchanger 29, and the second heat exchanger 28 and the third heat exchanger 29 are used for cooling the compressed air. A fourth heat exchanger 30 is communicated with the fifth pipeline 25, the fourth heat exchanger 30 is located between the pressure regulating valve 26 and the second control valve 27, and the fourth heat exchanger 30 is used for heating the compressed air discharged from the air storage chamber 21. The preset temperatures of the second heat exchanger 28, the third heat exchanger 29 and the fourth heat exchanger 30 are ambient temperatures.
As shown in fig. 1, the fifth pipeline 25 is communicated with a first branch 31 and a second branch 32, and the first branch 31 is connected in parallel with the second branch 32; the first branch 31 communicates between the first compressor 1 and the preheater 10 through a sixth control valve 33, and the second branch 32 communicates between the combustion chamber and the first expander 3 through a seventh control valve 34; wherein, the sixth control valve 33 and the seventh control valve 34 are three-way valves.
The working principle is as follows:
an energy storage mode: the first motor 8 and the second motor 9 are started, the clutch 35 is in a disconnected state, and the first driving shaft 5 on the first compressor 1 is disconnected with the second driving shaft 6 on the first expander 3; the first compressor 1 and the second compressor 2 compress air step by step, and the compressed air enters the air storage cavity 21;
energy release mode: the clutch 35 is in an off state, and the first driving shaft 5 on the first compressor 1 is disconnected from the second driving shaft 6 on the first expander 3; the second control valve 27 and the sixth control valve 33 are opened, and the compressed gas enters the expansion unit after being heated by the combustion chamber 11 through the first branch line 31 to drive the generator 36 to generate electricity; the second control valve 27 and the seventh control valve 34 are opened, and the compressed gas enters the expansion machine set through the second branch 32 to drive the generator 36 to generate electricity;
and (3) generating mode: the clutch 35 is in a connected state, and the first drive shaft 5 of the first compressor 1 is connected to the second drive shaft 6 of the first expander 3; the first compressor 1 compresses air, the compressed air enters a combustion chamber to be heated, the heated compressed air enters an expansion unit, and the expansion unit drives a generator 36 to do work;
a combined power generation mode: the first motor 8 and the second motor 9 are not started, the clutch 35 is in a connection state, and the first driving shaft 5 on the first compressor 1 is connected with the second driving shaft 6 on the first expander 3; the energy release mode and the power generation mode are performed simultaneously, which greatly increases the output power of the generator 36.
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 therefrom are within the scope of the invention.

Claims (7)

1. A power generation and energy storage dual-mode power system, comprising:
the power generation module is provided with a compressor unit and an expander unit which are communicated in series through a pipeline, the output end of the expander unit is connected with a power generator (36), and the expander unit is used for driving the power generator (36) to generate power;
the energy storage module is provided with a gas storage cavity (21) for containing compressed gas, the gas inlet end of the gas storage cavity (21) is communicated with the gas outlet end of the compressor unit, and the gas outlet end of the gas storage cavity (21) is communicated with the gas inlet end of the expander unit;
a first control valve (22) is arranged between the air storage cavity (21) and the compressor unit, and the first control valve (22) is used for controlling the connection and disconnection between the air storage cavity (21) and the compressor unit; a second control valve (27) is arranged between the gas storage cavity (21) and the expansion unit, and the second control valve (27) is used for controlling the connection and disconnection between the gas storage cavity (21) and the expansion unit;
a first driving shaft (5) extends out of the power end of the compressor unit, a second driving shaft (6) extends out of the power end of the expander unit, and the first driving shaft (5) and the second driving shaft (6) are coaxially connected through a clutch (35);
the compressor set comprises a first compressor (1) and a second compressor (2) which are connected in series; the expansion machine set comprises a first expansion machine (3) and a second expansion machine (4) which are connected in series; the first compressor (1) and the first expander (3) are connected in series by a first pipeline (12), and the first expander (3) and the second expander (4) are connected in series by a second pipeline (17);
a combustion chamber (11) arranged on the first conduit (12) for heating the compressed air;
a first branch (31) and a second branch (32) which are arranged in parallel are arranged at the air outlet end of the air storage cavity (21), the first branch (31) is communicated between the compressor unit and the combustion chamber, and the second branch (32) is communicated between the combustion chamber and the expander unit;
and a sixth control valve (33) is arranged at the intersection of the first pipeline and the first branch, and a seventh control valve (34) is arranged at the intersection of the first pipeline and the second branch.
2. A power generation and energy storage dual-mode power system as claimed in claim 1, wherein a pressure regulating valve (26) is arranged between the gas storage cavity (21) and the expansion unit, and the pressure regulating valve (26) is used for regulating the outlet gas pressure of the gas storage cavity (21).
3. The power generation and storage dual mode power system of claim 1, further comprising:
the air conditioner comprises a preheater (10) communicated on a pipeline between the compressor unit and the expander unit, wherein the air outlet end of the expander unit is communicated with the preheater (10), and the preheater (10) is used for heating compressed air.
4. A power generation and energy storage dual mode power system according to claim 1, wherein the compressor unit has a plurality of compressors communicated in series, and heat exchangers are arranged between adjacent compressors and between the compressors and the air storage chamber (21).
5. A power generation and energy storage dual mode power system according to claim 1, wherein the expander set is provided with a plurality of expanders which are communicated in series, and heat exchangers are arranged between the adjacent expanders and between the expanders and the air storage cavity (21).
6. A power generation and storage dual mode power system according to claim 5, wherein a plurality of parallel third branches (13) are provided between the compressor unit and the expander unit, and the compressor unit is adapted to communicate with the expanders of the expander unit in a one-to-one correspondence through the third branches (13).
7. A power generation and storage dual mode power system according to claim 4 or claim 5, wherein the preset temperature of the heat exchanger is ambient temperature.
CN202110644784.1A 2021-06-09 2021-06-09 Power generation and energy storage dual-mode power system Active CN113202572B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110644784.1A CN113202572B (en) 2021-06-09 2021-06-09 Power generation and energy storage dual-mode power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110644784.1A CN113202572B (en) 2021-06-09 2021-06-09 Power generation and energy storage dual-mode power system

Publications (2)

Publication Number Publication Date
CN113202572A CN113202572A (en) 2021-08-03
CN113202572B true CN113202572B (en) 2023-01-24

Family

ID=77024394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110644784.1A Active CN113202572B (en) 2021-06-09 2021-06-09 Power generation and energy storage dual-mode power system

Country Status (1)

Country Link
CN (1) CN113202572B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537822A (en) * 1994-02-03 1996-07-23 The Israel Electric Corporation Ltd. Compressed air energy storage method and system
CN1482349A (en) * 2003-07-11 2004-03-17 西安交通大学 Electricity, heat and cool co-productive compressed air energy storage apparatus and method
CN103410616A (en) * 2013-08-22 2013-11-27 华北电力大学 High-capacity compressed air energy storage efficient power generating system
CN104395583A (en) * 2012-04-12 2015-03-04 诺沃皮尼奥内股份有限公司 Compressed-air energy-storage system
CN106246269A (en) * 2016-07-27 2016-12-21 山东大学 A kind of restructural compressed-air energy-storage system and optimal control method thereof
CN206972380U (en) * 2017-06-06 2018-02-06 无锡协鑫分布式能源开发有限公司 A kind of multiple complementary energy source system of compressed-air energy storage coupling
CN207033509U (en) * 2017-08-04 2018-02-23 葛洲坝中科储能技术有限公司 A kind of compression-expansion process class combustion engine compression air energy-storing apparatus used at the same time

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537822A (en) * 1994-02-03 1996-07-23 The Israel Electric Corporation Ltd. Compressed air energy storage method and system
CN1482349A (en) * 2003-07-11 2004-03-17 西安交通大学 Electricity, heat and cool co-productive compressed air energy storage apparatus and method
CN104395583A (en) * 2012-04-12 2015-03-04 诺沃皮尼奥内股份有限公司 Compressed-air energy-storage system
CN103410616A (en) * 2013-08-22 2013-11-27 华北电力大学 High-capacity compressed air energy storage efficient power generating system
CN106246269A (en) * 2016-07-27 2016-12-21 山东大学 A kind of restructural compressed-air energy-storage system and optimal control method thereof
CN206972380U (en) * 2017-06-06 2018-02-06 无锡协鑫分布式能源开发有限公司 A kind of multiple complementary energy source system of compressed-air energy storage coupling
CN207033509U (en) * 2017-08-04 2018-02-23 葛洲坝中科储能技术有限公司 A kind of compression-expansion process class combustion engine compression air energy-storing apparatus used at the same time

Also Published As

Publication number Publication date
CN113202572A (en) 2021-08-03

Similar Documents

Publication Publication Date Title
JP3178961B2 (en) Compressed air energy storage method and system
CN108316981B (en) Natural gas residual pressure and gas turbine coupling and supplying system, pipe network system and method
CN103438612A (en) Compressed gas distributed energy source system using rare gases as working medium
CN113202582A (en) Compressed air-gas reheating type combined cycle power generation system and method
CN111271143A (en) System and method for improving electric power flexibility
CN1482349A (en) Electricity, heat and cool co-productive compressed air energy storage apparatus and method
CN113464406A (en) Compressed air energy storage system and renewable energy system
CN203518328U (en) Compressed gas distribution type energy system using rare gas as working media
CN209959302U (en) Energy storage device combining cogeneration and compressed air
CN113202572B (en) Power generation and energy storage dual-mode power system
CN112283079A (en) Compressed air energy storage system with air storage tank heat regeneration system and control method thereof
CN116123519A (en) Coal-based poly-generation flexible variable load system and operation method thereof
CN116565905A (en) Multi-energy complementary water-gas coexisting energy storage system and energy storage method
CN115450721A (en) Compressor combined operation system and method suitable for variable working condition operation of compressed air energy storage system
CN214944466U (en) Compressed air-gas double-working medium combined cycle power generation system
CN115875243A (en) Energy cascade utilization system for compressed gas energy storage
CN213870210U (en) Compressed air energy storage system with air storage tank heat regeneration system
CN114592939A (en) Photo-thermal compressed air energy storage system and method
CN103291556A (en) Wind power utilization system
RU101104U1 (en) COMBINED ENERGY SYSTEM
CN112161319A (en) Portable aluminum-air fuel battery and heat pump coupling circulation heating system and use method
CN114279107B (en) Open type heat pump electricity storage system and method
CN110080845A (en) The energy-storage system and its working method that cogeneration of heat and power is combined with compressed air
CN114233415B (en) Heat pump electricity storage system and method using air working medium
CN216922237U (en) Air medium's heat pump electric storage system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant