CN108644607A - A kind of cryogenic liquefying air energy storage systems and method - Google Patents
A kind of cryogenic liquefying air energy storage systems and method Download PDFInfo
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- CN108644607A CN108644607A CN201810281142.8A CN201810281142A CN108644607A CN 108644607 A CN108644607 A CN 108644607A CN 201810281142 A CN201810281142 A CN 201810281142A CN 108644607 A CN108644607 A CN 108644607A
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- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01B23/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/001—Thermal insulation specially adapted for cryogenic vessels
Abstract
The present invention provides a kind of cryogenic liquefying air energy storage systems and method, system includes compression set, liquefaction storage device, pressue device, gasification installation, cold-storage device and expansion power generation device；Compression set, liquefaction storage device, pressue device, gasification installation and expansion power generation device are sequentially connected, and gasification installation connects liquefaction storage device by cold-storage device；Cold-storage device includes insulated shell and multiple cold-storage tanks, and multiple cold-storage tanks are respectively positioned on inside insulated shell, and cold-storage device is compact-sized, and cool storage medium is filled inside cold-storage tank, improves cold storage efficiency, and floor space is small；It is provided only with an insulated shell in the present invention, substantially reduces cold-storage device and extraneous contact area, reduces cold-storage device and extraneous heat exchange, reduces energy loss, improve the storage time of high-quality cold energy；Cold-storage device storage volume in the present invention is big, and cold-storage quality is high, and manufacture installation is easy to implement, and counter investment is smaller, can improve the economy of system.
Description
Technical field
The present invention relates to technical field of energy storage, and in particular to a kind of cryogenic liquefying air energy storage systems and method.
Background technology
Cryogenic liquefying air energy storage technology refers to that electric energy is used for compressed air in the network load low ebb phase, by air high pressure
It is sealed in abandoned well, the seabed air accumulator of sedimentation, cavern, expired oil/gas well or newly-built gas storage well, on network load peak
Phase discharges the energy storage mode that compressed air pushes expanding machine power generation, the larger, energy storage with stored energy capacitance of liquid air energy-storage system
Period is long, the advantages that taking up little area independent of geographical conditions.When energy storage, electric energy is by air compression, cooling and liquefies, and stores simultaneously
The thermal energy discharged during this heats air when for releasing energy；When releasing energy, liquid air is pressurized, gasifies, and pushes expansion power generation
Unit generation, while the cold energy of the process is stored using compact cold-storage device, it is used for cooling air when energy storage.
Multiple cold-storage tanks in deep cooling liquid air energy storage systems in the prior art independently arrange that each cold-storage tank has
There is individual attemperator, and need pipeline to be connected with valve between multiple cold-storage tanks, connecting portion is in external environment, is stored
There are larger energy exchange in cold tank and coupling part with external environment, and mesolimnion in cold-storage tank is caused to increase, and increase energy damage
It loses, causes the circulation cold storage efficiency of deep cooling liquid air energy storage systems low, and multiple cold-storage tanks take up a large area.
Invention content
In order to overcome above-mentioned cold storage efficiency in the prior art low and take up a large area deficiency, the present invention provides a kind of cryogenic liquid
Change air energy storage systems and method, system includes compression set, liquefaction storage device, pressue device, gasification installation, cold-storage device
With expansion power generation device；Compression set, liquefaction storage device, pressue device, gasification installation and expansion power generation device are sequentially connected,
Gasification installation connects liquefaction storage device by cold-storage device；Cold-storage device includes insulated shell and multiple inside insulated shell
Cold-storage tank；Multiple cold-storage tanks connect in such a way that series, parallel or connection in series-parallel combine, and cool storage medium is filled inside insulated shell,
Cold-storage device is compact-sized, few with the energy exchange of external environment, reduces energy loss, improves cold storage efficiency, and take up an area face
Product is small.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of cryogenic liquefying air energy storage systems, including compression set, liquefaction storage device,
Pressue device, gasification installation, cold-storage device and expansion power generation device；The compression set, liquefaction storage device, pressue device,
Gasification installation and expansion power generation device are sequentially connected, and the gasification installation connects liquefaction storage device by cold-storage device；
The cold-storage device includes insulated shell and multiple cold-storage tanks inside insulated shell；The multiple cold-storage tank passes through
The mode that series, parallel or connection in series-parallel combine connects, and cool storage medium is filled inside the cold-storage tank, is filled inside the insulated shell
Heat-insulating material；
Normal temperature and pressure gaseous air is processed into room temperature by the compression set presses gaseous air to send to liquefaction storage device；
The liquefaction storage device will calm the anger in room temperature state air liquefaction be low-temp low-pressure liquid air send to pressue device；
Low-temp low-pressure liquid air is carried out pressurization output cryogenic high pressure liquid air to gasification installation by the pressue device；
The gasification of cryogenic high pressure liquid air is that the control of normal temperature high voltage gaseous state is sent to expansion power generation device by the gasification installation；
The cold, and/or discharge the cold of storage to liquefaction storage dress that the cold-storage device storage gasification installation generates
It sets.
The compression set includes power supply device and sequentially connected filter, compressor and sieve purification system；
The power supply device is connect with compressor, for being energized for compressor；
The filter is used to filter the particulate matter in normal temperature and pressure gaseous air；
The compressor compresses filtered normal temperature and pressure gaseous air, obtains pressing gaseous air in high temperature, high
Middle benefit gas pressure gaseous air in the room temperature after state air cooling of calming the anger enters sieve purification system；
The sieve purification system removes moisture, carbon dioxide and the alkene in room temperature in pressure gaseous air by absorption method
Hydrocarbon.
The liquefaction storage device includes liquefying plant and storage device；
The liquefying plant state air liquefaction that will calm the anger in room temperature that compression set exports is low-temp low-pressure liquid air, and
It send to storage device and stores；
When the amount of storage of low-temp low-pressure liquid air in storage device reaches predetermined threshold value, storage device is by low-temp low-pressure
Liquid air is sent to pressue device.
The pressue device include force (forcing) pump and for for pressurize pump energy supply the second motor；
The force (forcing) pump pressurizes the low-temp low-pressure liquid air for coming from liquefaction storage device, exports cryogenic high pressure
Liquid air is to gasification installation.
The cool storage medium includes metal, alcohols, organic working medium or stone；
Pipeline and cold-storage device between the liquefying plant, gasification installation, cold-storage device and liquefying plant and gasification
Refrigerating medium is filled in pipeline between device, the refrigerating medium includes freon, hydrocarbons or dry air.
Press the temperature of gaseous air higher than 100 DEG C in the high temperature, the low-temp low-pressure liquid air and cryogenic high pressure liquid
The temperature of state air is less than -50 DEG C.
The expansion power generation device includes sequentially connected heater, expansion unit and generator；
Heater heats expansion unit, comes from the normal temperature high voltage gaseous air driving expansion unit of gasification installation
Acting, the expansion unit drive electrical power generators.
Described device further includes regenerative apparatus, and the regenerative apparatus includes one or more heat-accumulator tanks；
When including multiple heat-accumulator tanks, multiple heat-accumulator tanks are connected with valve with parallel form by pipeline.
The regenerative apparatus connects the heater in compressor and expansion power generation device in compression set by pipeline, uses
It is discharged to heater in the heat of storage compressor generation and/or by the heat of storage；
Pipeline, regenerative apparatus between the regenerative apparatus, regenerative apparatus and compressor and the pipeline between heater with
And heat storage medium is filled in heater；
The heat storage medium includes conduction oil, carbon dioxide, melting salt or water.
On the other hand, the present invention provides a kind of carrying out cryogenic liquefying air energy storage using cryogenic liquefying air energy storage systems
Method, including：
In the high temperature for compressing normal temperature and pressure gaseous air by the compressor in compression set, and compression being obtained
Pressure gaseous air is cooled down, and gaseous air will be pressed in cooling obtained room temperature by the sieve purification system in compression set
Output extremely liquefaction storage device；
By the storage device that liquefies by state air liquefaction of calming the anger in room temperature, and the low-temp low-pressure liquid air that liquefaction is obtained
It is stored；
The low-temp low-pressure liquid air for coming from storage device in liquefaction storage device is pressurizeed by pressue device, and defeated
Go out cryogenic high pressure liquid air to gasification installation；
Cryogenic high pressure liquid air is gasified by gasification installation, and exports normal temperature high voltage gaseous air to expansion power generation and fills
Heater in setting；
The cold that gasification installation generates is stored by cold-storage device, and the cold of storage is discharged to liquefaction and is stored
Liquefying plant in device；
Multi-stage heating is carried out to the low temperature high pressure gas air that gasification installation exports by heater, and defeated by heater
The high temperature and pressure air push expansion unit acting gone out, to drive electrical power generators.
During the compressor is compressed normal temperature and pressure gaseous air, compressor is generated by regenerative apparatus
Heat stored；
During the low temperature high pressure gas air progress Multi-stage heating exported to gasification installation by heater, lead to
The heat that regenerative apparatus is stored is crossed to discharge to heater.
Compared with the immediate prior art, technical solution provided by the invention has the advantages that：
Cryogenic liquefying air energy storage systems provided by the invention, including compression set, liquefaction storage device, pressue device,
Gasification installation, cold-storage device and expansion power generation device；Compression set therein, liquefaction storage device, pressue device, gasification installation
It is sequentially connected with expansion power generation device, gasification installation connects liquefying plant by cold-storage device；Cold-storage device include insulated shell and
Multiple cold-storage tanks, multiple cold-storage tanks are respectively positioned on inside insulated shell, and cold-storage device is compact-sized, and filling cold-storage is situated between inside cold-storage tank
Matter, insulated shell inside filling heat insulator, improves cold storage efficiency, and floor space is small；
Multiple public same insulated shells of cold-storage tank in the present invention substantially reduce cold-storage device and extraneous contact surface
Product reduces cold-storage device and extraneous heat exchange, reduces energy loss, improve the storage time of high-quality cold energy；
It is filled with cool storage medium in cold-storage tank in the present invention, carrier, liquefying plant, gasification dress are provided for cold storage
It sets, be filled with refrigerating in the pipeline between cold-storage device and liquefying plant and the pipeline between cold-storage device and gasification installation
Medium provides carrier for what cold transmitted, improves cold storage efficiency；
Between regenerative apparatus, regenerative apparatus in the present invention and the pipeline between compressor, regenerative apparatus and heater
It is filled with heat storage medium in pipeline and heater, provides carrier for heat storage, improves heat storage efficiency；
Cold-storage device storage volume in the present invention is big, and manufacture installation is easy to implement, and counter investment is smaller, can effectively reduce
The manufacturing cost of system improves the economy of system.
Description of the drawings
Fig. 1 is cryogenic liquefying air energy storage systems structure chart in the embodiment of the present invention 1；
Fig. 2 is cold-storage device structure chart in the embodiment of the present invention 1；
Fig. 3 is cryogenic liquefying air energy storage method flow chart in the embodiment of the present invention 2.
Wherein, 1- filters, 2- compressors, 3- sieve purification systems, 4- liquefying plants, 5- storage devices, 6- pressurizations
Device, 7- gasification installations, 8- cold-storage devices, 9- heaters, 10- expand unit, 11- regenerative apparatus, 12- insulated shells, 13- first
Cold-storage tank, the second cold-storage tanks of 14-, 15- third cold-storage tanks, the 4th cold-storage tanks of 16-, 17- valves, 18- pipelines.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
Embodiment 1
The embodiment of the present invention 1 provides a kind of cryogenic liquefying air energy storage systems, and structure is as shown in Figure 1, M is indicated in Fig. 1
Generator；The embodiment of the present invention 1 provide cryogenic liquefying air energy storage systems specifically include compression set, liquefaction storage device,
Pressue device 6, gasification installation 7, cold-storage device 8 and expansion power generation device；Compression set, liquefaction storage device, pressue device 6,
Gasification installation 7 and expansion power generation device are sequentially connected, and gasification installation 7 connects liquefying plant 4 by cold-storage device 8；
Above-mentioned cold-storage device 8 includes insulated shell 12 and multiple cold-storage tanks inside insulated shell；Multiple cold-storage tanks are logical
The mode for crossing series, parallel or connection in series-parallel combination connects, and cool storage medium, 12 inside filling thermal insulation of insulated shell are filled inside cold-storage tank
Material.Such as Fig. 2, the embodiment of the present invention 1 is by taking 4 cold-storage tanks as an example, i.e., cold-storage device 8 includes insulated shell 12 and is located in insulated shell
First cold-storage tank 13, the second cold-storage tank 14, third cold-storage tank 15 and the 4th cold-storage tank 16 in portion pass through valve between four cold-storage tanks
Door 17 and pipeline 18 are connected in parallel.
Normal temperature and pressure gaseous air is processed into room temperature by above-mentioned compression set presses gaseous air to send to liquefaction storage device,
The state air liquefaction that will calm the anger in room temperature of liquefaction storage device is that low-temp low-pressure liquid air is sent to pressue device 6, and pressue device 6 will
Low-temp low-pressure liquid air carries out pressurization output cryogenic high pressure liquid air to gasification installation 7.
Above-mentioned compression set includes power supply device and sequentially connected filter 1, compressor 2 and molecular sieve purification system
System 3；
Power supply device therein is connect with compressor 2, for being energized for compressor 2；And power supply device is using steam turbine, combustion
Gas-turbine or the first motor；It is compressor work energy according to the first motor.
Filter 1 is used to filter the particulate matter in normal temperature and pressure gaseous air；
Compressor 2 compresses filtered normal temperature and pressure gaseous air, obtains pressing gaseous air in high temperature, in high temperature
Gaseous air is pressed to enter sieve purification system 3 in room temperature after state of calming the anger air cooling；
Sieve purification system 3 removes moisture, carbon dioxide and the alkene in room temperature in pressure gaseous air by absorption method.
The storage device that liquefies includes liquefying plant 4 and storage device 5；
The state air liquefaction that will calm the anger in room temperature that compression set exports of liquefying plant 4 is low-temp low-pressure liquid air, and is sent
It is stored to storage device 5；
When the amount of storage of low-temp low-pressure liquid air in storage device 5 reaches predetermined threshold value, storage device 5 is low by low temperature
Pressure liquid air is sent to pressue device 6.
Pressue device 6 is including force (forcing) pump and for the second motor for pump energy supply of pressurizeing.
Force (forcing) pump pressurizes the low-temp low-pressure liquid air for coming from storage device 5, and output cryogenic high pressure liquid is empty
Gas is to gasification installation 7.
Gasification installation 7 gasifies the cryogenic high pressure liquid air that force (forcing) pump exports, and exports normal temperature high voltage gaseous air
To expansion power generation device.
Cold-storage device 8 is connect by pipeline with liquefying plant 4 and gasification installation 7, cool storage medium can with but be not limited to gold
Category, alcohols, organic working medium or stone；
Pipeline and cold-storage device 8 between liquefying plant 4, gasification installation 7, cold-storage device 8 and liquefying plant 4 and gasification
In pipeline between device 7 be filled with refrigerating medium, can with but be not limited to freon, hydrocarbons or dry air.
The temperature of gaseous air is pressed to be higher than 100 DEG C in high temperature, low-temp low-pressure liquid air and cryogenic high pressure liquid air
Temperature is less than -50 DEG C.
Expansion power generation device includes sequentially connected heater 9, expansion unit 10 and generator M；
Heater 9 heats expansion unit 10 (can have one or more levels expanding machine in expansion unit 10), comes from
It does work in the normal temperature high voltage gaseous air driving expansion unit 10 of gasification installation 7, expansion unit 10 drives generator M power generations.
Cryogenic liquefying air energy storage systems provided in an embodiment of the present invention further include regenerative apparatus 11, and regenerative apparatus 11 includes
One or more heat-accumulator tanks；
When including multiple heat-accumulator tanks, multiple heat-accumulator tanks are connected with valve with parallel form by pipeline.
Regenerative apparatus 11 connects the heater 9 in compressor 2 and expansion power generation device in compression set by pipeline, uses
It is discharged to heater 9 in the heat of the storage generation of compressor 2 and/or by the heat of storage；
Pipeline, regenerative apparatus 11 between regenerative apparatus 11, regenerative apparatus 11 and compressor 2 and the pipe between heater 9
Heat storage medium is filled in road and heater 9；Heat storage medium can with but be not limited to conduction oil, carbon dioxide, melting salt
Or water.
Embodiment 2
The embodiment of the present invention 2 provides a kind of cryogenic liquefying air energy storage systems progress cryogenic liquefying using embodiment 1
The method of air energy storage, flow chart is as shown in figure 3, detailed process is as follows：
S101：Normal temperature and pressure gaseous air is compressed by the compressor 2 in compression set, and compression is obtained
It presses gaseous air to be cooled down in high temperature, will be pressed in cooling obtained room temperature by the sieve purification system 3 in compression set
Gaseous air is exported to liquefaction storage device；
S102：By the storage device that liquefies by state air liquefaction of calming the anger in room temperature, and the low-temp low-pressure liquid that liquefaction is obtained
State air is stored；
S103：The low-temp low-pressure liquid air for coming from storage device 5 in liquefaction storage device is added by pressue device 6
Pressure, and cryogenic high pressure liquid air is exported to gasification installation 7；
S104：Cryogenic high pressure liquid air is gasified by gasification installation 7, and exports normal temperature high voltage gaseous air to expansion
Heater 9 in power generator；
S105：The cold that gasification installation 7 generates is stored by cold-storage device 8, and by the cold of storage discharge to
Liquefying plant 4 in liquefaction storage device；
S106：Multi-stage heating is carried out to the low temperature high pressure gas air that gasification installation 7 exports by heater 9, and is passed through
The high temperature and pressure air push expansion unit 10 that heater 9 exports does work, to drive generator M to generate electricity.
During compressor is compressed normal temperature and pressure gaseous air, the heat that is generated compressor by regenerative apparatus
Amount is stored；During carrying out Multi-stage heating to the low temperature high pressure gas air that gasification installation exports by heater, lead to
The heat that regenerative apparatus is stored is crossed to discharge to heater.
The 2 cryogenic liquefying air energy storage methods provided can reduce the energy exchange with the external world through the embodiment of the present invention,
Cold storage efficiency is improved, and reduces the floor space of cold-storage device.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively.
Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware when implementing the application.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field with reference to above-described embodiment still can to the present invention specific implementation mode modify or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (12)
1. a kind of cryogenic liquefying air energy storage systems, which is characterized in that including compression set, liquefaction storage device, pressue device,
Gasification installation, cold-storage device and expansion power generation device；The compression set, liquefaction storage device, pressue device, gasification installation and
Expansion power generation device is sequentially connected, and the gasification installation connects liquefaction storage device by cold-storage device；
The cold-storage device includes insulated shell and multiple cold-storage tanks inside insulated shell；The multiple cold-storage tank passes through string
The mode that connection, in parallel or connection in series-parallel combine connects, and cool storage medium is filled inside the cold-storage tank, and filling is exhausted inside the insulated shell
Hot material；
Normal temperature and pressure gaseous air is processed into room temperature by the compression set presses gaseous air to send to liquefaction storage device；
The liquefaction storage device will calm the anger in room temperature state air liquefaction be low-temp low-pressure liquid air send to pressue device；
Low-temp low-pressure liquid air is carried out pressurization output cryogenic high pressure liquid air to gasification installation by the pressue device；
The gasification of cryogenic high pressure liquid air is that the control of normal temperature high voltage gaseous state is sent to expansion power generation device by the gasification installation；
The cold, and/or discharge the cold of storage to liquefaction storage device that the cold-storage device storage gasification installation generates.
2. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that the compression set includes energy supply
Device and sequentially connected filter, compressor and sieve purification system；
The power supply device is connect with compressor, for being energized for compressor；
The filter is used to filter the particulate matter in normal temperature and pressure gaseous air；
The compressor compresses filtered normal temperature and pressure gaseous air, obtains pressing gaseous air in high temperature, in high temperature
Gaseous air is pressed to enter sieve purification system in room temperature after state of calming the anger air cooling；
The sieve purification system removes moisture, carbon dioxide and the alkene in room temperature in pressure gaseous air by absorption method.
3. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that the liquefaction storage device includes
Liquefying plant and storage device；
The liquefying plant state air liquefaction that will calm the anger in room temperature that compression set exports is low-temp low-pressure liquid air, and send to
Storage device stores；
When the amount of storage of low-temp low-pressure liquid air in storage device reaches predetermined threshold value, storage device is by low-temp low-pressure liquid
Air is sent to pressue device.
4. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that the pressue device includes pressurization
It pumps and for the second motor for pump energy supply of pressurizeing；
The force (forcing) pump pressurizes the low-temp low-pressure liquid air for coming from liquefaction storage device, exports cryogenic high pressure liquid
Air is to gasification installation.
5. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that the cool storage medium includes gold
Category, alcohols, organic working medium or stone.
6. cryogenic liquefying air energy storage systems according to claim 3, which is characterized in that the liquefying plant, gasification dress
It sets, be filled with refrigerating in the pipeline between cold-storage device and liquefying plant and the pipeline between cold-storage device and gasification installation
Medium；
The refrigerating medium includes freon, hydrocarbons or dry air.
7. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that press gaseous air in the high temperature
Temperature be higher than 100 DEG C, the temperature of the low-temp low-pressure liquid air and cryogenic high pressure liquid air is less than -50 DEG C.
8. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that the expansion power generation device includes
Sequentially connected heater, expansion unit and generator；
The heater heats expansion unit, comes from the normal temperature high voltage gaseous air driving expansion unit of gasification installation
Acting, the expansion unit drive electrical power generators.
9. cryogenic liquefying air energy storage systems according to claim 1, which is characterized in that described device further includes accumulation of heat dress
It sets, the regenerative apparatus includes one or more heat-accumulator tanks；
When including multiple heat-accumulator tanks, multiple heat-accumulator tanks are connected with valve with parallel form by pipeline.
10. cryogenic liquefying air energy storage systems according to claim 9, which is characterized in that the regenerative apparatus passes through pipe
Road connect compression set in compressor and expansion power generation device in heater, for store compressor generation heat and/
Or the heat of storage is discharged to heater；
Pipeline, regenerative apparatus between the regenerative apparatus, regenerative apparatus and compressor and the pipeline between heater and add
Heat storage medium is filled in hot device；
The heat storage medium includes conduction oil, carbon dioxide, melting salt or water.
11. a kind of carrying out cryogenic liquefying air energy storage using any cryogenic liquefying air energy storage systems of claim 1-10
Method, which is characterized in that including：
Normal temperature and pressure gaseous air is compressed by the compressor in compression set, and will be calmed the anger in the obtained high temperature of compression
State air is cooled down, and is exported pressure gaseous air in cooling obtained room temperature by the sieve purification system in compression set
To liquefaction storage device；
By the storage device that liquefies by state air liquefaction of calming the anger in room temperature, and the low-temp low-pressure liquid air that liquefaction is obtained carries out
Storage；
The low-temp low-pressure liquid air for coming from storage device in liquefaction storage device is pressurizeed by pressue device, and is exported low
Warm high-pressure liquid air is to gasification installation；
Cryogenic high pressure liquid air is gasified by gasification installation, and is exported in normal temperature high voltage gaseous air to expansion power generation device
Heater；
The cold that gasification installation generates is stored by cold-storage device, and the cold of storage is discharged to liquefaction storage device
In liquefying plant；
Multi-stage heating is carried out to the low temperature high pressure gas air that gasification installation exports by heater, and exported by heater
High temperature and pressure air push expands unit acting, to drive electrical power generators.
12. the side according to claim 11 for carrying out cryogenic liquefying air energy storage using cryogenic liquefying air energy storage systems
Method, which is characterized in that during the compressor is compressed normal temperature and pressure gaseous air, will be compressed by regenerative apparatus
The heat that machine generates is stored；
During the low temperature high pressure gas air progress Multi-stage heating exported to gasification installation by heater, pass through storage
The heat that thermal is stored is discharged to heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281142.8A CN108644607A (en) | 2018-04-02 | 2018-04-02 | A kind of cryogenic liquefying air energy storage systems and method |
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| CN110374839A (en) * | 2019-07-30 | 2019-10-25 | 上海锅炉厂有限公司 | A kind of liquefied air energy-storage system and method using pressurised liquid propane cold-storage |
| CN111648833A (en) * | 2020-06-05 | 2020-09-11 | 全球能源互联网研究院有限公司 | Liquefied air energy storage system |
| CN115218608A (en) * | 2022-07-21 | 2022-10-21 | 北京中科富海低温科技有限公司 | Liquid-air gas storage process method |
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Application publication date: 20181012 |