CN202811079U - High-efficiency and high-pressure liquid air energy storage/ release system - Google Patents
High-efficiency and high-pressure liquid air energy storage/ release system Download PDFInfo
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- CN202811079U CN202811079U CN2012203709069U CN201220370906U CN202811079U CN 202811079 U CN202811079 U CN 202811079U CN 2012203709069 U CN2012203709069 U CN 2012203709069U CN 201220370906 U CN201220370906 U CN 201220370906U CN 202811079 U CN202811079 U CN 202811079U
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Abstract
The utility model discloses a high-efficiency and high-pressure liquid air energy storage/ release system which comprises a high-efficiency energy storage subsystem and a high-efficiency energy release subsystem, wherein the high-efficiency energy storage subsystem comprises a low-pressure compressor unit (1'), a high-pressure compressor unit (1), a regenerator (2), a low-temperature heat exchanger (3), a high-pressure and low-temperature storage tank (4), a low-temperature expansion unit (6), a low-temperature heat exchanger (3) and a heat storage and exchange device (7) which are sequentially communicated with one another; the low-temperature expansion unit (6) is used for driving the low-pressure compressor unit (1'); the energy release subsystem comprises a self-booster unit (5) and a work unit; the high-pressure and low-temperature storage tank (4), the regenerators (2), the heat storage/ exchange device (7) and a main expansion unit (8) are sequentially connected with one another; and the main expansion unit (8) is used for driving an electric generator (24). The energy storage/ release system is high in energy density and efficiency, and does not consume power and electricity during the power generation stage, thus being suitable for various power stations; and the system has the advantages of not generating greenhouse gases, being capable of recovering medium-and-low temperature waste heat, etc.
Description
Technical field
The utility model relates to the energy storage technical field, is that a kind of high-efficiency energy-storage based on high-pressure liquid air stored energy and the utilization power generation electric energy of depositing/releasing can system.
Background technique
Day by day universal along with renewable energy sources (wind energy, solar energy etc.), and peak load regulation network, raising electric network reliability and improve the active demand of the quality of power supply, the significance of electric energy storing system highlights day by day.The contradiction of peak-valley difference during extensive electric power energy storage technology can effectively solve electrical production and use; The reliability of power system power supply can be provided; Can solve the intermittent type energy such as wind-power electricity generation, solar energy, the tidal energy instable key technology of generating electricity.
Simultaneously, electric energy storing system or the key technology of distributed energy resource system.Distributed energy resource system adopts the great quantity of small distributed power system to replace the electric power system of conventional large-scale centralized formula, and when system had run into local line fault, electric energy storing system can provide continual power supply supply.
At present existing electric power energy storage technology comprises the energy storage of drawing water, compressed-air energy storage, batteries to store energy, superconduction magnetic energy, flywheel energy storage and super capacitor etc.Wherein the physical method energy storage take the energy storage of drawing water, heat accumulation energy storage and compressed-air energy storage as representative is fit to the large-scale commercial applications application because its cost is low, stored energy capacitance is large, accounts for 99.5% of world's energy storage total amount.
The power station energy-storage system that draws water allows the water of the low reservoir of motor drives pump handle be extracted into high reservoir to consume a part of electric energy by pipeline when electric power system is in the valley load.Next interim when peak load, the water of high reservoir makes water pump and motor reversed operation become water turbine by pipeline and generator sends electric energy supply user, plays thus the effect of peak load shifting.The advantages such as the technical mature and reliable of power station energy-storage system, efficient of drawing water high (～70%), stored energy capacitance are large are widely used at present.But the power station energy-storage system that draws water needs special geographical conditions to build two reservoirs and dam, and the construction period very long (general about 7～15 years), initial investment is huge.More thorny is that building large reservoir can large size flood vegetation even city, causes ecology and immigration problem, therefore builds the power station energy-storage system that draws water and has been subject to increasing restriction.
Conventional compression air energy-storage system is at low power consumption, and air pressure is contractd to be stored in the gas storage chamber, and making electric energy conversion is that the interior of air can store; In peak of power consumption, high-pressure air discharges from gas storage chamber, enters gas-turbine combustion chamber and burns together with fuel, then drives turbine power generation.Compressed-air energy-storage system has that stored energy capacitance is large, the energy storage cycle is long, efficient is high (50%～70%) and the advantage such as specific investment cost less.But the energy storage density of compressed air energy storage technology is low, and difficult point is the place that needs suitable energy storing compressed air, such as the cavern that seals or abandoned mine etc.And, compressed-air energy-storage system still relies on combustion of fossil fuels thermal source is provided, face on the one hand that fossil fuel is petered out and the threat of rise in price, its burning still produces the pollutants such as nitride, sulphide and carbon dioxide on the other hand, does not meet green (zero-emission), reproducible energy development requirement.
The subject matter that faces for solving conventional compression air energy-storage system, recent years Chinese scholars carried out respectively ground compressed-air energy-storage system (SVCAES), with the compressed-air energy-storage system (AACAES) of backheat and the research of air vapor combined cycle compressed-air energy-storage system (CASH) etc., make compressed-air energy-storage system substantially can avoid combustion of fossil fuels, but the energy density of compressed-air energy-storage system is still very low, needs large-scale gas storage chamber.
In recent years, Chinese scholars has developed the liquid air energy-storage system, owing to adopt the normal pressure liquid air to store, energy storage density is higher.But, in the step-down throttling link of thermal energy storage process and the cryopump supercharging link of exoergic process the energy that needs consumption higher is arranged, thereby has reduced the operational efficiency of energy-storage system.
Summary of the invention
The purpose of this utility model be a kind of novel energy-storing/release is disclosed can system, be that efficient high-pressure liquid air energy storage/release can system, compare existing compressed-air energy-storage system etc. and have the large characteristics of energy storage density.Compare the liquid air energy-storage system, have the high characteristics of system stored energy efficient, can be fit to various types of power stations and support the use.
For achieving the above object, technical solution of the present utility model is:
A kind of efficient high-pressure liquid air energy storage/release can system, comprise low pressure compressor group, high pressure compressed unit, cold storage apparatus, cryogenic heat exchanger, high pressure low temperature storage tank, low-temperature expansion unit, accumulation of heat/heat exchanger, main expansion unit, driver element, generator, it is characterized in that
Described energy storage/release and can system comprise the high-efficiency energy-storage subtense angle and release the energy subtense angle:
In the described high-efficiency energy-storage subtense angle, the bottom liquid side of described low pressure compressor group, high pressure compressed unit, cold storage apparatus, cryogenic heat exchanger, high pressure low temperature storage tank is through pipeline successively order UNICOM, the top gas side of described high pressure low temperature storage tank, low-temperature expansion unit, cryogenic heat exchanger, cold storage apparatus are through pipeline successively order UNICOM, and the pipeline between described low-temperature expansion unit and the high pressure low temperature storage tank is provided with the regulating valve I; Described low-temperature expansion unit drives the low pressure compressor group;
Described releasing can comprise from compress cell and acting unit by subtense angle, wherein, describedly comprise automatic pressure intensifier from compress cell, described automatic pressure intensifier one end connects the bottom liquid side of described high pressure low temperature storage tank, the other end connects the top gas side of described high pressure low temperature storage tank, and the pipeline between the bottom liquid side of described automatic pressure intensifier and high pressure low temperature storage tank is provided with the regulating valve II; In the described acting unit, the bottom liquid side of described high pressure low temperature storage tank, cold storage apparatus, accumulation of heat/heat exchanger, main expansion unit connect successively through pipeline, and bottom liquid side and the pipeline between the cold storage apparatus of described high pressure low temperature storage tank are provided with another regulating valve III.
Preferably, low pressure compressor group and high pressure compressed unit comprise at least one compressor separately, and multiple compressors is mutually connected or is integrated into whole multistage compressor, and low pressure compressor group entrance connects air-source.Preferably, main expansion unit comprises at least one decompressor, and many decompressors are mutually connected or are integrated into whole multiple expansion engine, and the gas outlet of each final stage decompressor leads to atmosphere.Preferably, the low-temperature expansion unit comprises at least one low-temp low-pressure decompressor, and many cryogenic expansion machines are mutually connected and are that multiple expansion engine, the gas outlet of each final stage decompressor enter the heat exchanger in the cold storage apparatus.
Preferably, the transmission shaft of driver element and high pressure compressed unit is affixed, and the transmission shaft of generator and main expansion unit is affixed.
Efficient high-pressure liquid air of the present utility model energy storage/release the energy system, its flow process is:
During energy storage, the compressor bank of utilizing drive unit drives to be formed by low pressure compressor group and high pressure compressed unit, with a certain amount of air compressing to the normal temperature high voltage state; The normal temperature high voltage air enters in the cold storage apparatus and cools off, and temperature is down to and is become the high-pressure liquid air below the condensing temperature behind high-pressure air process cold storage apparatus and the cryogenic heat exchanger; The high-pressure liquid air enters the high pressure low temperature storage tank stores; Meanwhile the gaseous state high-pressure air of high pressure low temperature tank inside produces cryogenic cold energy after cryogenic expansion machine expands, and by cryogenic heat exchanger cold energy is passed to the high-pressure air of main road, discharges the residue cold energy through cold storage apparatus.
When releasing energy, automatic pressure intensifier makes the pressurization of high pressure low temperature liquid air storage tank, the high-pressure liquid air is warming up to the normal temperature high voltage state and reclaims cold energy in cold storage apparatus, absorbing heat further heats up high-pressure air in accumulation of heat/heat exchanger, then enter main expansion unit expansion acting, drive the generator generating.
Preferably, described efficient high-pressure liquid air energy storage/release the energy system, its described driver element is drive motor or wind energy conversion system; During for drive motor, be as power supply take wherein one or more of conventional power plant trough-electricity, nuclear power, wind-powered electricity generation, solar electrical energy generation, water power or tidal power generation.
Preferably, described efficient high-pressure liquid air energy storage/release the energy system, its described accumulation of heat/heat exchanger is provided with pipeline, and this pipeline and extraneous thermal source interlink.
Preferably, described automatic pressure intensifier is made by metal coil pipe or fin tube, and heat medium is water or air.
Preferably, described accumulation of heat/heat exchanger interlinks by pipeline and solar thermal collector or industrial exhaust heat/waste heat fluid, forms the heat-carrying circulation loop.
Preferably, efficient high-pressure liquid air of the present utility model energy storage/release the energy system also comprises air purification and purifying in its air compressing, the cooling procedure, remove airborne solid matter and foreign gas; Air purification and purifier apparatus are integrated in compressor bank and/or the cold storage apparatus.
Preferably, described low pressure compressor group, high pressure compressed unit, the overall pressure tatio that is combined is between 38～340; When being multiple compressors, multiple compressors is coaxial series connection form or split axle parallel form; In the parallel form, each split axle and main driving axle are dynamically connected.
Preferably, described expansion unit, overall expansion ratio is between 38～340, and the exhaust of final stage decompressor is near normal pressure; When being many decompressors, many decompressors are coaxial series connection form or split axle parallel form; In the parallel form, each split axle and main driving axle are dynamically connected; Accumulation of heat/heat exchanger heat temperature raising is all passed through first in the air inlet of decompressors at different levels.
Preferably, described compressor bank, main expansion unit and/or low-temperature expansion unit are piston type, axial flow, radial inflow, screw type or hybrid.Preferably, described multiple compressors, many main decompressors are distributed on a live axle or the many live axles.
Preferably, described accumulation of heat/heat exchanger is stored one or more of following heat energy: the heat of compression that compressor produces through pipeline during energy storage; Industrial exhaust heat or used heat; Solar thermal energy.When releasing energy, the pressurized air before the decompressors at different levels is advanced in heating.
In a further advantageous embodiment, in the described high-efficiency energy-storage subtense angle, the high-pressure air that described high pressure compressed unit produces enters cold storage apparatus after described accumulation of heat/heat exchanger cooling.Further, described releasing can also comprise high-temperature heat accumulation/heat exchanger in the subtense angle, after the high-pressure air after described accumulation of heat/heat exchanger heating is by described high-temperature heat accumulation/heat exchanger, enter described main expansion unit, described high-temperature heat accumulation/heat exchanger is waste heat/waste heat exchanger, interlink by pipeline and solar thermal collector or industrial exhaust heat/waste heat fluid, by the direct heating high-pressure air of waste heat/waste heat exchanger, improve into the temperature of the front high-pressure air of main expansion unit.
Preferably, described accumulation of heat/heat exchanger, its heat exchange form is that high-pressure air directly contacts heat-accumulating material or by heat exchanger and heat-accumulating material heat exchange, its accumulation of heat form is one or more that sensible heat, latent heat or chemical reaction are pined for; The heat storage medium that adopts is water, paraffin, bio-oil, mineral-type crystalline hydrate salt, fuse salt, metal and alloy, organic fatty acid, stone, rock or concrete, and heat storage medium is stored in the thermally insulated container.
Preferably, described cold storage apparatus, it is Kelvin temperature unit that high-pressure air is cooled to 78K-160K(K), be a kind of or combination in sensible heat cold-storage or the solid-liquid phase change cold-storage; The sensible heat cool storage medium that adopts is one or more in rock, pottery, metal oxide spheres, sealing ice hockey, grit, concrete, aluminium strip dish or other metal or the nonmetallic substance; The solid-liquid phase change cool storage medium is ammonia and the aqueous solution, salts solution, alkanes, olefines material and the compound thereof of solid-liquid phase change temperature between 81K～273K, one or more in alcohols and the aqueous solution thereof, and cool storage medium is stored in the thermally insulated container; High-pressure air or low-pressure air in cold storage apparatus with the cool storage medium direct contact heat transfer or by heat exchanger and cold-storage heat-exchanger heat exchange; During energy storage, cold storage apparatus cools off high-pressure air, and when releasing energy, cold storage apparatus reclaims and store the cold in the high-pressure liquid atmosphere temperature rising process.
Preferably, the liquefaction of high-pressure air replenished cryogenic cold energy when described cryogenic expansion machine was used for energy storage, the gas outlet that multistage cryogenic expansion machine is every grade all leads to cryogenic heat exchanger, the live axle of multistage cryogenic expansion machine can be connected with certain stage compressor, and the output work of its inflation process can drive certain stage compressor and come pressurized air.
Preferably, described high pressure low temperature storage tank is high pressure Dewar storage tank or high pressure low temperature storage tank, and liquid air stores under high pressure conditions, and design pressure will be far above the maximum pressure of real work.
Preferably, described efficient high-pressure liquid air energy storage/release the energy system, its described control first order compressor air inflow is by regulating compressor load, start-stop Partial shrinkage machine or regulating the control that pressure ratio realizes air inflow.
Preferably, described efficient high-pressure liquid air energy storage/release the energy system when it releases energy, is controlled the cryogenic high pressure tank inner pressure by the valve on the pipeline, regulates generating capacity by the control of the valve on pipeline high-pressure liquid air gasification amount.
Preferably, described efficient high-pressure liquid air energy storage/release can system, the heat of compression, waste heat, used heat or solar energy heating are stored in accumulation of heat/heat exchanger for the heating high-pressure air, improve the temperature of advancing the front high-pressure air of decompressor, waste heat, used heat are waste heat, the used heat of power plant, cement industry, iron and steel metallurgical industry, chemical industry.
Efficient high-pressure liquid air of the present utility model energy storage/release can system, and its advantage is: energy density is high, efficient is high, not wasted work power consumption of power generating stage, be applicable to various power stations (comprising the renewable energy sources power stations such as solar energy, wind energy), do not produce greenhouse gases, the advantage such as recyclable middle low temperature (calorific value) used heat.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 2 structural representation;
Fig. 3 is the utility model embodiment 3 structural representation.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
As shown in Figure 1, for efficient high-pressure liquid air of the present utility model energy storage/releasing can system embodiment 1.Wherein, low pressure compressor group 1 ', high pressure compressed unit 1, cold storage apparatus 2, cryogenic heat exchanger 3, high-pressure liquid air reservoir 4, automatic pressure intensifier 5, low-temperature expansion unit 6, accumulation of heat/heat exchanger 7, main expansion unit 8, generator 24, drive motor 9, valve 14,19,21, pipeline 10 ', 10,11,12,13,15,16,17,18,20,22,23,25,26, inlet air A.
Low-temperature expansion unit 6 and low pressure compressor group 1 ' total transmission shaft affixed, drive motor 9 is affixed with the total transmission shaft of high pressure compressed unit 1, generator 24 is affixed with the total transmission shaft of decompressor 8.Low pressure compressor group 1 ' entrance meets air A, and through pipeline 10 ' interlink with compressor bank 1, high pressure compressed unit 1 interlinks through pipeline 10 and cold storage apparatus 2.Cold storage apparatus 2, cryogenic heat exchanger 3, the liquid storage tank 4 of high pressure low temperature interlink through pipeline 11,12 orders.Liquid storage tank 4 tops of high pressure low temperature and low-temperature expansion unit 6, cryogenic heat exchanger 3, cold storage apparatus 2 interlink through pipeline 13,15,16 orders.Be provided with regulating valve 14 in the pipeline 13.The liquid storage tank 4 of high pressure low temperature interlinks through pipeline 18 with automatic pressure intensifier 5, and regulating valve 19 is arranged on the pipeline 18.The liquid storage tank 4 of high pressure low temperature, cold storage apparatus 2, accumulation of heat/heat exchanger 7, main expansion unit 8 interlink through pipeline 20,22,23.The outlet gas line 25 logical atmosphere of main expansion unit 8.
During energy storage, low-temperature expansion unit 6 drive low pressure compressor groups 1 ', air A enters low pressure compressor group 1 ' be compressed to certain pressure, low ebb (at a low price) electric drive motor 9 drives high pressure compressed unit 1, with the air compressing of elementary compression to the normal temperature high voltage state, high pressure compressed unit 1 outlet air enters cold storage apparatus 2 by pipeline 10, is cooled near condensing temperature or below the condensing temperature by cool storage medium.The cryogenic high pressure air that goes out cold storage apparatus 2 absorbs further cooling through cryogenic heat exchanger 3, obtains the high-pressure liquefaction air, enters in the high pressure low temperature wet tank 4 through pipeline 12.Simultaneously, valve 14 on the pipeline 13 is opened, the low temperature high pressure gas on high pressure low temperature wet tank 4 tops enters low-temperature expansion unit 6 through pipeline 13, temperature further reduces after expanding, after cryogenic heat exchanger 3 heat exchange, enter cold storage apparatus 2, the residue cold energy is absorbed rear emptying by pipeline 17 by cold-storage heat-exchanger.Low-temperature expansion unit 6 drive low pressure compressor groups 1 ' for reclaiming 6 works of low-temperature expansion unit.Under certain total discharge and pressure condition, use this structure can reduce the power consumption of drive motor 9, and then improve the energy-storage system operational efficiency.
When releasing energy, open valve 19 and 21, after automatic pressure intensifier 5 will be pressurized to certain pressure from the liquid air of high pressure low temperature storage tank 4, be delivered to cold storage apparatus 2 and cool storage medium heat exchange and gasification by pipeline 20, reclaim simultaneously cold, the high-pressure air that goes out cold storage apparatus 2 enters accumulation of heat/heat exchanger 7 via pipeline 22 again and further heats up, and the high-pressure air after temperature raises injects main expansion unit 8 expansion actings by pipeline 23.
Generally speaking, operation when energy storage is different from exoergic process, during energy storage, compressor bank work, main expansion unit 8 is closed down, and valve 21 is closed, and cold storage apparatus 2 released cold quantities are cooled to low temperature with high-pressure air.Automatic pressure intensifier 5 is closed down, and valve 19 is closed.6 work of low-temperature expansion unit, valve 14 is opened.Then opposite when releasing energy, compressor bank is closed down, and low-temperature expansion unit 6 is closed down, and valve 14 is closed.Automatic pressure intensifier 5 work, valve 19 is opened.Main expansion unit 8 work, valve 21 is opened, and cold storage apparatus 2 reclaims, stores cold, while high-pressure liquid atmosphere temperature rising, 7 on accumulation of heat/heat exchanger discharges heat energy, further promotes the high-pressure air temperature.In addition, external heat then can enter accumulation of heat/heat exchanger 7 via pipeline 26 at any time and stores.
Fig. 2 be storage of the present utility model with the efficient high-pressure liquid air energy storage that discharges the heat of compression/release can system embodiment 2, its agent structure is identical with embodiment 1, high pressure compressed unit 1 produces the higher high-pressure air of temperature and enter cold storage apparatus 2 after 7 cooling of accumulation of heat/heat exchanger, and accumulation of heat/heat exchanger 7 mainly stores and discharges the compressed-air actuated heat of compression.
During energy storage, high pressure compressed unit 1 outlet high-pressure air at first enters accumulation of heat/heat exchanger 7, and the heat of the compressed generation of air is absorbed by heat-accumulating material, and the temperature of high-pressure air is down to normal temperature simultaneously.The normal temperature high voltage air that goes out accumulation of heat/heat exchanger 7 enters cold storage apparatus 2 successively, is kept in the high-pressure liquid storage tank 4 after cryogenic heat exchanger 3 liquefaction.And in that releasing can the stage, the normal temperature high voltage air that goes out cold storage apparatus 2 enters accumulation of heat/heat exchanger 7 absorbing heats, is heated to that high temperature is laggard becomes owner of expansion unit 8 acting of expanding.
Fig. 3 is the embodiment 3 that efficient high-pressure liquid air energy-storage system of the present utility model combines with solar energy thermal-power-generating or industrial exhaust heat utilization, and its agent structure is identical with embodiment 2, and other has increased the attachment portion with solar thermal collector or industrial exhaust heat pipeline.High temperature fluid heat release cooling during high temperature fluid from solar thermal collector or industrial exhaust heat enters high-temperature heat accumulation/heat exchanger 7 by pipeline 26 ", at high-temperature heat accumulation/heat exchanger 7 ".And go out accumulation of heat/heat exchanger 7 ' main high-pressure air at high-temperature heat accumulation/heat exchanger 7 " in be heated to high temperature, then enter main expansion unit 8 acting of expanding through pipeline 23.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of the present utility model.
Claims (10)
1. efficient high-pressure liquid air energy storage/release can system, comprise low pressure compressor group (1 '), high pressure compressed unit (1), cold storage apparatus (2), cryogenic heat exchanger (3), high pressure low temperature storage tank (4), low-temperature expansion unit (6), accumulation of heat/heat exchanger (7,7 '), main expansion unit (8), driver element (9), generator (24), it is characterized in that
Described energy storage/release and can system comprise the high-efficiency energy-storage subtense angle and release the energy subtense angle:
In the described high-efficiency energy-storage subtense angle, described low pressure compressor group (1 '), high pressure compressed unit (1), cold storage apparatus (2), cryogenic heat exchanger (3), the bottom liquid side of high pressure low temperature storage tank (4) through pipeline (10 ', 10,11,12) successively the order UNICOM, the top gas side of described high pressure low temperature storage tank (4), low-temperature expansion unit (6), cryogenic heat exchanger (3), cold storage apparatus (2) is through pipeline (13,15,16,17) order UNICOM successively, and the pipeline (13) between described low-temperature expansion unit (6) and the high pressure low temperature storage tank (4) is provided with regulating valve I (14); Described low-temperature expansion unit (6) drives low pressure compressor group (1 ');
Described releasing can comprise from compress cell and acting unit by subtense angle, wherein, describedly comprise automatic pressure intensifier (5) from compress cell, described automatic pressure intensifier (5) one ends connect the bottom liquid side of described high pressure low temperature storage tank (4), the other end connects the top gas side of described high pressure low temperature storage tank (4), and the pipeline between the bottom liquid side of described automatic pressure intensifier (5) and high pressure low temperature storage tank (4) is provided with regulating valve II (19); In the described acting unit, the bottom liquid side of described high pressure low temperature storage tank (4), cold storage apparatus (2), accumulation of heat/heat exchanger (7,7 '), main expansion unit (8) connects successively through pipeline (20,22,23), the pipeline (20) between the bottom liquid side of described high pressure low temperature storage tank (4) and the cold storage apparatus (2) is provided with regulating valve III (21).
2. efficient high-pressure liquid air according to claim 1 energy storage/release the energy system, it is characterized in that: described high pressure low temperature storage tank (4) is high pressure Dewar storage tank or high pressure low temperature storage tank.
3. efficient high-pressure liquid air according to claim 1 energy storage/release the energy system, it is characterized in that: described automatic pressure intensifier (5) is made by metal coil pipe or fin tube, and heat medium is water or air.
4. efficient high-pressure liquid air according to claim 1 energy storage/release the energy system, it is characterized in that: described driver element (9) is drive motor or wind energy conversion system; When described driver element (9) is drive motor, be as power supply with wherein one or more of conventional power plant trough-electricity, nuclear power, wind-powered electricity generation, solar electrical energy generation, water power or tidal power generation.
According to claim 1 to 4 each described efficient high-pressure liquid air energy storage/release can system, it is characterized in that: described accumulation of heat/heat exchanger (7) interlinks by pipeline (26) and solar thermal collector or industrial exhaust heat/waste heat fluid, forms the heat-carrying circulation loop.
According to claim 1 to 4 each described efficient high-pressure liquid air energy storage/release can system, it is characterized in that: in the described high-efficiency energy-storage subtense angle, the high-pressure air that described compressor bank (1) produces enters cold storage apparatus (2) after described accumulation of heat/heat exchanger (7 ') cooling.
7. efficient high-pressure liquid air according to claim 6 energy storage/release can system, it is characterized in that: described releasing can also comprise high-temperature heat accumulation/heat exchanger (7 "); the high-pressure air after described accumulation of heat/heat exchanger (7 ') heating (enters described main expansion unit (8) by described high-temperature heat accumulation/heat exchanger after 7 ") in the subtense angle, (7 ") are waste heat/waste heat exchanger to described high-temperature heat accumulation/heat exchanger, interlink by pipeline (26) and solar thermal collector or industrial exhaust heat/waste heat fluid.
8. according to claim 1 can system to 4 each described efficient high-pressure liquid air energy storage/release, it is characterized in that: also comprise be integrated in described low pressure compressor group (1 '), high pressure is pressed air purification and purifier apparatus in compressor bank (1) and/or the cold storage apparatus (2).
According to claim 1 to 4 each described efficient high-pressure liquid air energy storage/release can system, it is characterized in that: described low pressure compressor group (1 '), high pressure compressed unit (1), main expansion unit (8) and/or low-temperature expansion unit (6) are piston type, axial flow, radial inflow, screw type or hybrid.
According to claim 1 to 4 each described efficient high-pressure liquid air energy storage/release can system, it is characterized in that: described accumulation of heat/heat exchanger (7), its accumulation of heat form is one or more that sensible heat, latent heat or chemical reaction are pined for, and its heat exchange form is that high-pressure air directly contacts heat-accumulating material or by heat exchanger and heat-accumulating material heat exchange; Its heat storage medium that adopts is water, paraffin, bio-oil, mineral-type crystalline hydrate salt, fuse salt, metal and alloy, organic fatty acid, stone, rock or concrete, and heat storage medium is stored in the thermally insulated container; And/or,
Described cold storage apparatus (2), its cold-storage form are a kind of or combinations in sensible heat cold-storage or the solid-liquid phase change cold-storage; Its heat exchange form be the high-pressure liquid air in cold storage apparatus with cool storage medium direct contact heat transfer or non-direct contact heat transfer, the sensible heat cool storage medium of employing is sealing ice hockey, grit, concrete or aluminium strip dish, cool storage medium is stored in the thermally insulated container.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105201555A (en) * | 2015-10-20 | 2015-12-30 | 彭学军 | United expanding power system applied to high pressure gas electricity generation |
| CN105509528A (en) * | 2016-02-03 | 2016-04-20 | 中国科学院理化技术研究所 | Multistage gradient phase change cold storage device |
| CN107514294A (en) * | 2017-09-15 | 2017-12-26 | 中国科学院工程热物理研究所 | A kind of combined compressed air energy-storage system and its control method |
| CN111140298A (en) * | 2020-01-07 | 2020-05-12 | 上海锅炉厂有限公司 | Distributed combined heat and power supply compressed air energy storage system |
| CN113785112A (en) * | 2019-05-10 | 2021-12-10 | 株式会社神户制钢所 | Compressed air storage power generation device |
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2012
- 2012-07-29 CN CN2012203709069U patent/CN202811079U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201555A (en) * | 2015-10-20 | 2015-12-30 | 彭学军 | United expanding power system applied to high pressure gas electricity generation |
| CN105509528A (en) * | 2016-02-03 | 2016-04-20 | 中国科学院理化技术研究所 | Multistage gradient phase change cold storage device |
| CN107514294A (en) * | 2017-09-15 | 2017-12-26 | 中国科学院工程热物理研究所 | A kind of combined compressed air energy-storage system and its control method |
| CN107514294B (en) * | 2017-09-15 | 2023-04-14 | 中国科学院工程热物理研究所 | Combined compressed air energy storage system and control method thereof |
| CN113785112A (en) * | 2019-05-10 | 2021-12-10 | 株式会社神户制钢所 | Compressed air storage power generation device |
| CN113785112B (en) * | 2019-05-10 | 2024-03-26 | 株式会社神户制钢所 | Compressed air storage power generation device |
| CN111140298A (en) * | 2020-01-07 | 2020-05-12 | 上海锅炉厂有限公司 | Distributed combined heat and power supply compressed air energy storage system |
| CN111140298B (en) * | 2020-01-07 | 2024-01-26 | 上海锅炉厂有限公司 | Distributed cogeneration compressed air energy storage system |
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