CN105370408B - A kind of heat accumulating type compressed-air energy-storage system - Google Patents

A kind of heat accumulating type compressed-air energy-storage system Download PDF

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Publication number
CN105370408B
CN105370408B CN201510939325.0A CN201510939325A CN105370408B CN 105370408 B CN105370408 B CN 105370408B CN 201510939325 A CN201510939325 A CN 201510939325A CN 105370408 B CN105370408 B CN 105370408B
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heat exchanger
heat
port
gas side
compressed
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CN105370408A (en
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周学志
徐玉杰
王亮
刘畅
陈海生
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/14Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
    • F02C6/16Gas-turbine plants having means for storing energy, e.g. for meeting peak loads for storing compressed air
    • 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 discloses a kind of heat accumulating type compressed-air energy-storage system, the system is on the basis of heat accumulating type compressed-air energy-storage system, optimization working-flow, using compressor set and the characteristic of expansion unit common heat exchanger, and compressor set, hold over system and expansion unit are coupled well by three-way diverter valve, solve the problems such as heat exchanger repeats arrangement, system flow is unreasonable, occupation of land is more, high cost, heat utilization rate are low and its caused running efficiency of system is reduced between heat accumulating type compressed-air energy-storage system level.Heat accumulating type compressed-air energy-storage system of the invention has the advantages that simple and compact for structure, system effectiveness high, good effect of heat exchange, low cost.

Description

A kind of heat accumulating type compressed-air energy-storage system
Technical field
The present invention relates to energy storing technology field, more particularly to a kind of heat accumulating type compressed-air energy-storage system.
Background technology
Conventional compression air energy storage systems are a kind of energy-storage systems based on gas turbine technology exploitation.Operation principle is: In low power consumption, air is compressed and is stored in air storage chamber, the interior energy for making electric energy be converted into air is stored;It is high in electricity consumption Peak, pressure-air discharges from air storage chamber, into gas-turbine combustion chamber with the combust of fuel one, then drives turbine power generation.Pass One of problem of system compressed-air energy-storage system is still to rely on combustion of fossil fuels to provide thermal source, is on the one hand faced with fossil combustion The threat that material is petered out with rise in price, on the other hand its burning still produces nitride, sulfide and carbon dioxide etc. to pollute Thing, does not meet green (zero-emission), the requirement of reproducible energy development.
Because countries in the world propose requirement higher for fuel utilization, environmental protection, some both at home and abroad in recent years Person has carried out the technological improvement to compressed-air energy-storage system.Wherein, the compressed-air energy-storage system with regenerative apparatus is current A kind of relatively advanced efficient energy storage mode, the technology of its core is that the storage of conventional compression air is substituted using a set of regenerative apparatus Combustion chamber in energy system, reclaims the heat energy of compressor compresses air generation and stores heat during energy storage, realize the heat of compression Reclaim and store, realize reclaiming heat using the energy heats compressed air for reclaiming, the output work of increase expanding machine when releasing energy Recycle.The advantage of the system is to take full advantage of energy, and zero-emission is environment friendly and pollution-free, solves conventional compression air energy storage system System still needs to rely on the problem that combustion of fossil fuels provides thermal source.However, between at present there is level in heat accumulating type compressed-air energy-storage system Heat exchanger repeats arrangement, system flow is unreasonable, occupations of land is more, high cost, heat utilization rate are low and its caused system operation is imitated The problems such as rate is reduced.
The content of the invention
Regarding to the issue above, the invention provides a kind of heat accumulating type compressed-air energy-storage system.The system is in heat accumulating type pressure On the basis of contracting air energy storage systems, re-optimization working-flow, using compressor set and expansion unit common heat exchanger Characteristic, and by three-way diverter valve by compressor set, regenerative apparatus and expansion unit be coupled well, with structure Simple compact, system effectiveness is high, good effect of heat exchange, low cost the advantages of.
To reach above-mentioned purpose, technical solution of the invention is:
A kind of heat accumulating type compressed-air energy-storage system, including compressor set, hold over system, expansion unit and compressed air are deposited Storage device, it is characterised in that
-- the compressor set includes at least two-stage compressor, wherein, the import of first order compressor connects air-source, finally Final heat exchanger, interphase are set in ventilation line between the outlet of stage compressor and the import of compressed air storage device Heat exchanger between level is provided with ventilation line between adjacent two-stage compressor;
-- the expansion unit includes at least double expansion machine, wherein, first order expander inlet is stored with compressed air Chopped-off head heat exchanger is set in ventilation line between device outlet, afterbody expander outlet leads to air;Middle adjacent two-stage Heat exchanger between level is provided with ventilation line between expanding machine;
-- the chopped-off head heat exchanger in final heat exchanger and the expansion unit in the compressor set is same heat exchanger, The outlet of afterbody compressor is connected with the gas side ports A of the heat exchanger, and gas side ports B and the compressed air of the heat exchanger are deposited The import connection of storage device, the import of first order expanding machine is connected with the gas side ports A of the heat exchanger, the gas side of the heat exchanger Mouth B is connected with the outlet of compressed air storage device;Heat exchanger is shared between the level in the compressor set and expansion unit Heat exchanger, in adjacent two-stage compressor, the gas side ports A connections of heat exchanger, institute between the outlet of upper level compressor and the level The gas side ports B for stating heat exchanger between level is connected with the import of next stage compressor;In adjacent double expansion machine, upper level expanding machine Outlet and the level between heat exchanger gas side ports B connections, the gas side ports A of heat exchanger and next stage expanding machine between the level Import connection;
-- the hold over system includes cold tank and hot tank, and the liquid side ports A of all heat exchangers passes through fluid-through tube line and institute The liquid in-out port connection of cold tank is stated, the liquid side ports B of all heat exchangers passes through the liquid in-out of fluid-through tube line and the hot tank Port connects;
-- three-way diverter valve I is provided with the gas side ports A of heat exchanger between each level, the three-way diverter valve I Port a is connected with the gas side ports A of heat exchanger between level, the outlet of port b and upper level compressor, port c and next stage The inlet communication of expanding machine;Three-way diverter valve II is provided with the gas side ports B of heat exchanger between each level, the threeway is changed Connected with the gas side ports B of heat exchanger between level to the port a of valve II, the inlet communication of port b and next stage compressor, port c With the outlet of upper level expanding machine;Three-way diverter valve III is provided with the gas side ports A of the final heat exchanger, it is described The port a of three-way diverter valve III is connected with the gas side ports A of final heat exchanger, and port b connects with the outlet of afterbody compressor It is logical, the inlet communication of port c and first order expanding machine.
Preferably, the compressed air storage device is the one kind or several for sealing grotto, mesohigh storage tank or pressure pipeline The combination planted.
Preferably, between the gas side ports B of the final heat exchanger and the inlet and outlet of compressed air storage device Control valve is provided with ventilation line.
Preferably, it is provided with liquid pump on the fluid-through tube line of the cold tank and/or hot tank liquid in-out port.
Preferably, it is provided with control valve on the fluid-through tube line of the cold tank and/or hot tank liquid in-out port.
Preferably, during the compressed-air energy-storage system energy storage, the port a of each three-way diverter valve is connected with port b, port A and port c is closed, and each three-way diverter valve is in channel status to the connected pipeline of compressors at different levels and corresponding heat exchanger gas side, Each three-way diverter valve is closed to the connected pipeline of expanding machines at different levels and corresponding heat exchanger gas side;The final heat exchanger Gas side ports B and the import of compressed air storage device between control valve open, the gas side of the final heat exchanger Control valve between mouth B and the outlet of compressed air storage device is closed;Low-temperature heat exchange medium in the cold tank is in liquid In converging into the hot tank behind the liquid side that all heat exchangers are flowed through under the driving of pump.
Preferably, when the compressed-air energy-storage system releases energy, the port a and port b of each three-way diverter valve are closed, port A is connected with port c, and each three-way diverter valve is closed to the connected pipeline of compressors at different levels and corresponding heat exchanger gas side, Each three-way diverter valve is in channel status to the connected pipeline of expanding machines at different levels and corresponding heat exchanger gas side;The final heat exchanger Gas side ports B and the import of compressed air storage device between control valve close, the gas side of the final heat exchanger Control valve between mouth B and the outlet of compressed air storage device is opened;High temperature heat transferring medium in the hot tank is in liquid In converging into the cold tank behind the liquid side that all heat exchangers are flowed through under the driving of pump.
Preferably, the compressed-air energy-storage system also includes driver element and power take-off unit, the driver element Power transmission shaft with compressor set is affixed;The power take-off unit is affixed with the power transmission shaft of expansion unit.
Preferably, each heat exchanger is shell-and-tube, plate-fin, board-like, helix tube type, bushing type, shell-and-plate, plate ring type, pipe The combination of one or more in wing formula, heat pipe-type.
Preferably, the cold tank is used for heat transferring medium of the storage temperature less than air themperature after compression, is normal adiabatic heat-insulation Pressure or pressurizing vessel;The hot tank is used for heat transferring medium of the storage temperature higher than compressed air storage device, is normal adiabatic heat-insulation Pressure or pressurizing vessel.
Preferably, the heat transferring medium is the one of water, ethanol, propyl alcohol, ethylene glycol, conduction oil, fuse salt or ionic liquid Plant or several combinations.
Preferably, each three-way diverter valve is manual, motor-driven, electromagnetic driven, surges or electro-hydraulic dynamic manipulation control mode It is a kind of.
Preferably, the liquid pump is two-way pump.
Preferably, the cold tank liquid in-out port is provided with the main fluid-through tube line and bypass line of parallel connection, and the master leads to liquid Main control valve and liquid pump are provided with pipeline, by-pass governing valve and cooler are provided with the bypass line, work as institute When stating main control valve closing, by-pass governing valve opening, the cooler work is back to described cold to further reduction The temperature of the heat transferring medium in tank.
Preferably, the cooler is connected by systems such as pipeline and heat pumps, it is can be used for the differences such as air-conditioning, refrigeration Purposes.
Preferably, it is described to be connected with the system such as heat pump with the extraneous pipeline being connected, it is can be used for air-conditioning, refrigeration Etc. different purposes.
Heat accumulating type compressed-air energy-storage system of the invention, it is relative to the advantage of prior art:The system is storing On the basis of hot type compressed-air energy-storage system, compressor set side heat exchanger and expansion unit side heat exchanger are optimized cloth Put, using compressor set and the characteristic of expansion unit common heat exchanger, and utilize three-way diverter valve by compressor set, regenerative apparatus It is coupled well with expansion unit, heat exchanger repeats arrange, be between solving heat accumulating type compressed-air energy-storage system level The problems such as system flow is unreasonable, the low and its caused running efficiency of system that takes up an area many, high cost, heat utilization rate is reduced, this hair Bright heat accumulating type compressed-air energy-storage system has simple and compact for structure, system effectiveness high, good effect of heat exchange, cost low excellent Point.
Brief description of the drawings
Fig. 1 is the structural representation of heat accumulating type compressed-air energy-storage system embodiment 1 of the invention.
Fig. 2 is the structural representation of heat accumulating type compressed-air energy-storage system embodiment 2 of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to the accompanying drawings and examples, to this The specific embodiment of invention is described in further detail, and following examples are used to illustrate the present invention, but are not limited to this hair Bright scope, change or replacement that any those skilled in the art are expected, all covers in protection scope of the present invention Within.
Embodiment 1
As shown in figure 1, heat accumulating type compressed-air energy-storage system of the invention, it includes:Driver element 1, compressor 2 and 4, Heat exchanger 3 and 5, compressed air storage device 6, expanding machine 7 and 8, generator 27, cold tank 9, hot tank 10, three-way diverter valve 12,15 With 18, pump 29, valve 21,23,28 and 33, pipeline 11,13,14,16,17,19,20,22,24,25,26,30,31 and 32.
Specifically, heat accumulating type compressed-air energy-storage system of the invention includes compressor set 2,4, hold over system, expanding machine Group 7,8 and compressed air storage device 6, compressor set 2,4 includes at least two-stage compressor, wherein, first order compressor 2 enters Mouth meets air-source A, is set in the ventilation line between the outlet of afterbody compressor 4 and the import of compressed air storage device 6 Final heat exchanger 5 is put, heat exchanger 3 between level is provided with the ventilation line between middle adjacent two-stage compressor 2,4.
Expansion unit 7,8 includes at least double expansion machine, wherein, the import of first order expanding machine 7 is stored with compressed air Chopped-off head heat exchanger 5, the outlet of afterbody expanding machine 8 logical air B are set in the ventilation line between the outlet of device 6;It is middle adjacent Heat exchanger 3 between level is provided with ventilation line between double expansion machine 7,8.
The chopped-off head heat exchanger 5 in final heat exchanger 5 and expansion unit 7,8 in compressor set 2,4 is same heat exchanger, most The outlet of rear stage compressor 4 is connected with the gas side ports A of the heat exchanger 5, the gas side ports B and compressed air of the heat exchanger 5 The import connection of storage device 6, the import of first order expanding machine 7 is connected with the gas side ports A of the heat exchanger 5, the heat exchanger 5 The outlet connection of gas side ports B compressed airs storage device 6;Heat exchanger 3 between the level in compressor set 2,4 and expansion unit 7,8 It is the heat exchanger 3 for sharing, in adjacent two-stage compressor 2,4, the gas side of heat exchanger 3 between the outlet of upper level compressor 2 and level The gas side ports B of heat exchanger 3 is connected with the import of next stage compressor 4 between mouth A connections, level;In adjacent double expansion machine 7,8, The gas side ports B connections of heat exchanger 3 between the outlet of upper level expanding machine 7 and level, between level the gas side ports A of heat exchanger 3 with it is next The import connection of level expanding machine 8.
Hold over system includes cold tank 9 and hot tank 10, the liquid side ports A of all heat exchangers 3,5 by fluid-through tube line with it is cold The liquid in-out port connection of tank 9, the liquid side ports B of all heat exchangers 3,5 passes through the liquid in-out end of fluid-through tube line and hot tank 10 Mouth connection.
Three-way diverter valve I 12, the port a of three-way diverter valve I 12 are provided with the at different levels gas side ports A of heat exchanger 3 The gas side ports A of heat exchanger 3 is connected between level, and the outlet of port b and upper level compressor 2, port c expands with next stage The inlet communication of machine 8;Three-way diverter valve II 15, three-way diverter valve II 15 are provided with the at different levels gas side ports B of heat exchanger 3 Port a connected with the gas side ports B of heat exchanger between level 3, the inlet communication of port b and next stage compressor 4, port c with it is upper The outlet of one-stage expansion machine 7;Three-way diverter valve III 18, triplet commutation are provided with the gas side ports A of final heat exchanger 5 The port a of valve III 18 is connected with the gas side ports A of final heat exchanger 5, the outlet of port b and afterbody compressor 4, end The inlet communication of mouth c and first order expanding machine 7.
In ventilation line between the gas side ports B of final heat exchanger 5 and the inlet and outlet of compressed air storage device 6 It is provided with control valve.Liquid pump 29 is provided with the fluid-through tube line of cold tank 9 and/or the liquid in-out port of hot tank 10.Cold tank 9 And/or it is provided with control valve on the fluid-through tube line of the hot liquid in-out port of tank 10.
During compressed-air energy-storage system energy storage of the invention, the port a and port b of each three-way diverter valve 12,15,18 connect Logical, port a and port c is closed, each three-way diverter valve 12,15,18 and compressors at different levels 2,4 and corresponding heat exchanger 3,5 gas side phases Pipeline even is in channel status, each three-way diverter valve 12,15,18 and expanding machines at different levels 7,8 and corresponding heat exchanger 3,5 gas side phases Pipeline even is closed;Control between the import of the gas side ports B and compressed air storage device 6 of final heat exchanger 5 Valve processed is opened, and the control valve between the outlet of the gas side ports B and compressed air storage device 6 of final heat exchanger 5 is closed; Low-temperature heat exchange medium in cold tank 9 converges into hot tank 10 after the liquid side of all heat exchangers 3,5 is flowed through under the driving of liquid pump 29 In.
When compressed-air energy-storage system of the invention releases energy, the port a and port b of each three-way diverter valve 12,15,18 are closed Close, port a is connected with port c, each three-way diverter valve 12,15,18 and compressors at different levels 2,4 and corresponding heat exchanger 3,5 gas side phases Pipeline even is closed, each three-way diverter valve 12,15,18 and expanding machines at different levels 7,8 and corresponding heat exchanger 3,5 gas side phases Pipeline even is in channel status;Control between the import of the gas side ports B and compressed air storage device 6 of final heat exchanger 5 Valve closing processed, the control valve between the outlet of the gas side ports B and compressed air storage device 6 of final heat exchanger 5 is opened; High temperature heat transferring medium in hot tank 10 converges into cold tank 9 after the liquid side of all heat exchangers 3,5 is flowed through under the driving of liquid pump 29 In.
Driver element 1 is affixed with the power transmission shaft of compressor set 2,4;Power take-off unit 27 and the transmission for expanding unit 7,8 Axle is affixed.
During energy storage, pump 29, valve 28,33,21 are opened, and valve 23 closes, three-way diverter valve 12,15,18 and compressor set 2nd, 4 and the connected pipeline 11,13,14,16,17,19 in heat exchanger 3,5 gas sides be in channel status.Now, driver element 1 drives Compressor 2 compresses air, and the compressed air of HTHP enters heat exchange after flowing through pipeline 11, three-way diverter valve 12 and pipeline 13 Device 3, flows through pipeline 14, three-way diverter valve 15 and pipeline 16 and enters compressor 4 from the normal temperature high voltage compressed air out of heat exchanger 3 Further compression, then exchanged heat into heat exchanger 5 through pipeline 17, three-way diverter valve 18 and pipeline 19, through the high pressure compressed after heat exchange Air is stored after flowing through pipeline 20, valve 21 into compressed air storage device 6.In the process, the low-temperature heat exchange in cold tank 9 Medium to flow through in the presence of pump 29, successively and respectively enter the hydraulic fluid side of heat exchanger 3 and 5 after valve 28 and pipeline 30 and go absorption air The heat of compression in compression process, the high temperature heat transferring medium after heat absorption flows through pipeline 31,32 and valve 33 enters heat in hot tank 10 Amount storage.
Release can when, pump 29, valve 23,28,33 is opened, and valve 21 closes, three-way diverter valve 12,15,18 and expansion unit 7th, 8 and the connected pipeline 19,24,25,14,13,26 in heat exchanger 5,3 gas sides be in channel status.Now, compressed air storage dress The air put in 6 enters heat exchanger 5 through pipeline 22 and valve 23, and the air after heat exchange is again through pipeline 19, the and of three-way diverter valve 18 Pipeline 24 enters expanding machine 7, enters after pipeline 25, three-way diverter valve 15 and pipeline 14 from the Cryogenic air out of expanding machine 7 Heat exchanger 3 absorbs heat, passes through pipeline 13, three-way diverter valve 12 and pipeline 26 and enters the expansion work of expanding machine 8, drives and generates electricity Machine 27 generates electricity.In the process, the high temperature heat transferring medium in hot tank 10 flows through valve 33, pipeline 31 successively under the effect of pump 29 With 32 after respectively enter the air that heat exchanger 3 and 5 goes heating to be discharged from compressed air storage device 6, the low temperature after heat exchange changes Thermal medium enters storage in cold tank 9 through pipeline 30, pump 29 and valve 28 again.
Embodiment 2
As shown in Fig. 2 its agent structure of embodiments of the invention 2 is same as Example 1, cooler 34, valve is separately increased Door 35 and 36 and the pipeline 37 and 38 being connected with the external world.Wherein, during energy storage, valve 36 is closed, and valve 35 is opened, workflow Journey is consistent with embodiment one;When releasing energy, valve 35 is closed, and valve 36 is opened, and is now further reduced by cooler 34 From the hydraulic fluid side of heat exchanger 5 and 3 heat exchange medium temperature out, so that cold tank 9 can be heat exchanger 3 and 5 in the energy storage stage Hydraulic fluid side provides temperature lower heat transferring medium, further enhances heat storage capacity, improves system effectiveness.In addition, cooler 34 with The pipeline 37,38 that the external world is connected can be connected with the system such as heat pump, it is can be used for the difference purposes such as air-conditioning, refrigeration.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect Describe in detail bright.Should be understood that and the foregoing is only better embodiment of the invention, be not intended to limit the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in protection of the invention Within the scope of.

Claims (15)

1. a kind of heat accumulating type compressed-air energy-storage system, including compressor set, hold over system, expansion unit and compressed air storage Device, it is characterised in that
-- the compressor set includes at least two-stage compressor, wherein, the import of first order compressor connects air-source, afterbody Final heat exchanger, middle adjacent two are set in the ventilation line between the outlet of compressor and the import of compressed air storage device Heat exchanger between level is provided with ventilation line between level compressor;
-- the expansion unit includes at least double expansion machine, wherein, first order expander inlet and compressed air storage device Chopped-off head heat exchanger is set in the ventilation line between outlet, and afterbody expander outlet leads to air;Middle adjacent double expansion Heat exchanger between level is provided with ventilation line between machine;
-- the chopped-off head heat exchanger in final heat exchanger and the expansion unit in the compressor set is same heat exchanger, finally The outlet of stage compressor is connected with the gas side ports A of the heat exchanger, and gas side ports B and the compressed air of the heat exchanger store dress The import connection put, the import of first order expanding machine is connected with the gas side ports A of the heat exchanger, the gas side ports B of the heat exchanger Outlet with compressed air storage device is connected;Heat exchanger is shared heat exchange between the level in the compressor set and expansion unit Device, in adjacent two-stage compressor, the gas side ports A connections of heat exchanger, the level between the outlet of upper level compressor and the level Between the gas side ports B of heat exchanger be connected with the import of next stage compressor;In adjacent double expansion machine, upper level expanding machine goes out The gas side ports A of heat exchanger and entering for next stage expanding machine between the gas side ports B connections of heat exchanger, the level between mouth and the level Mouth connection;
-- the hold over system includes cold tank and hot tank, and the liquid side ports A of all heat exchangers is cold with described by fluid-through tube line The liquid in-out port connection of tank, the liquid side ports B of all heat exchangers passes through the liquid in-out port of fluid-through tube line and the hot tank Connection;
-- three-way diverter valve I, the port a of the three-way diverter valve I are provided between each level at the gas side ports A of heat exchanger The gas side ports A of heat exchanger is connected between level, the outlet of port b and upper level compressor, port c and next stage expanding machine Inlet communication;Between each level three-way diverter valve II, the three-way diverter valve II are provided with the gas side ports B of heat exchanger Port a connected with the gas side ports B of heat exchanger between level, the inlet communication of port b and next stage compressor, port c and upper The outlet of level expanding machine;Three-way diverter valve III is provided with the gas side ports A of the final heat exchanger, the threeway is changed Connected with the gas side ports A of final heat exchanger to the port a of valve III, the outlet of port b and afterbody compressor, port The inlet communication of c and first order expanding machine.
2. heat accumulating type compressed-air energy-storage system according to claim 1, it is characterised in that:The gas of the final heat exchanger Control valve is provided with ventilation line between the inlet and outlet of side ports B and compressed air storage device.
3. heat accumulating type compressed-air energy-storage system according to claim 2, it is characterised in that:The cold tank and/or hot tank Liquid pump is provided with the fluid-through tube line of liquid in-out port.
4. heat accumulating type compressed-air energy-storage system according to claim 3, it is characterised in that:The cold tank and/or hot tank Control valve is provided with the fluid-through tube line of liquid in-out port.
5. heat accumulating type compressed-air energy-storage system according to claim 4, it is characterised in that:The compressed-air energy storage system During system energy storage, the port a of each three-way diverter valve connect with port b, port a and port c closings, each three-way diverter valve and pressures at different levels The connected pipeline of contracting machine and corresponding heat exchanger gas side is in channel status, each three-way diverter valve and expanding machines at different levels and corresponding heat exchange The connected pipeline in device gas side is closed;The gas side ports B of the final heat exchanger and entering for compressed air storage device Control valve between mouthful is opened, between the outlet of the gas side ports B and compressed air storage device of the final heat exchanger Control valve is closed;Low-temperature heat exchange medium in the cold tank flows through the liquid side Hou Hui of all heat exchangers under the driving of liquid pump It flow in the hot tank.
6. heat accumulating type compressed-air energy-storage system according to claim 5, it is characterised in that:The compressed-air energy storage system System release can when, port a and port the b closing of each three-way diverter valve, port a connects with port c, each three-way diverter valve and pressures at different levels The connected pipeline in contracting machine and corresponding heat exchanger gas side is closed, and each three-way diverter valve and expanding machines at different levels and corresponding exchanges heat The connected pipeline in device gas side is in channel status;The gas side ports B of the final heat exchanger and entering for compressed air storage device Control valve between mouthful is closed, between the outlet of the gas side ports B and compressed air storage device of the final heat exchanger Control valve is opened;High temperature heat transferring medium in the hot tank flows through the liquid side Hou Hui of all heat exchangers under the driving of liquid pump It flow in the cold tank.
7. heat accumulating type compressed-air energy-storage system according to claim 1, it is characterised in that:The compressed-air energy storage system System also includes driver element and power take-off unit, and the driver element is affixed with the power transmission shaft of compressor set;The power is defeated Go out unit affixed with the power transmission shaft of expansion unit.
8. heat accumulating type compressed-air energy-storage system according to claim 1, it is characterised in that:The operating pressure of each heat exchanger Compressor set side or expansion unit side maximum working pressure are not less than, compressor set is reclaimed by each heat exchanger during system stored energy The heat of compression, system is heated by each heat exchanger when releasing energy and enters the working gas expanded before unit.
9. heat accumulating type compressed-air energy-storage system according to claim 1, it is characterised in that:The compressed air storage dress It is set to the combination of one or more of sealing grotto, mesohigh storage tank or pressure pipeline.
10. heat accumulating type compressed-air energy-storage system according to claim 1, it is characterised in that:Each heat exchanger be shell-and-tube, In plate-fin, board-like, helix tube type, bushing type, shell-and-plate, plate ring type, fin-tube type, heat-pipe heat exchanger one or more Combination.
11. heat accumulating type compressed-air energy-storage systems according to claim 1, it is characterised in that:The cold tank is used to store Temperature, less than the heat transferring medium of air themperature after compression, is adiabatic heat-insulation normal pressure or pressurizing vessel;The hot tank is used to store temperature Degree, higher than the heat transferring medium of compressed air storage device, is adiabatic heat-insulation normal pressure or pressurizing vessel.
12. heat accumulating type compressed-air energy-storage systems according to claim 11, it is characterised in that:The heat transferring medium is The combination of one or more of water, ethanol, propyl alcohol, ethylene glycol, conduction oil, fuse salt or ionic liquid.
13. heat accumulating type compressed-air energy-storage systems according to claim 1, it is characterised in that:Each three-way diverter valve For manual, motor-driven, electromagnetic driven, surge or electro-hydraulic dynamic one kind for manipulating control mode.
14. heat accumulating type compressed-air energy-storage systems according to claim 3, it is characterised in that:The liquid pump is two-way Pump.
15. heat accumulating type compressed-air energy-storage systems according to claim 1, it is characterised in that:The cold tank liquid in-out end The main fluid-through tube line and bypass line of parallel connection are provided with mouthful, main control valve and liquid pump are provided with the main fluid-through tube line, By-pass governing valve and cooler are provided with the bypass line, when the main control valve closing, by-pass governing valve are beaten When opening, the cooler work is back to the temperature of the heat transferring medium in the cold tank to further reduction.
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