CN206071657U - A kind of utilization recycle compressor carries the cryogenic liquefying air energy storage systems of effect - Google Patents
A kind of utilization recycle compressor carries the cryogenic liquefying air energy storage systems of effect Download PDFInfo
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- CN206071657U CN206071657U CN201620602298.8U CN201620602298U CN206071657U CN 206071657 U CN206071657 U CN 206071657U CN 201620602298 U CN201620602298 U CN 201620602298U CN 206071657 U CN206071657 U CN 206071657U
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- air
- energy
- recycle compressor
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- gaseous
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- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000007906 compression Methods 0.000 claims description 18
- 238000002309 gasification Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005338 heat storage Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
This utility model provides the cryogenic liquefying air energy storage systems that a kind of utilization recycle compressor puies forward effect, being arranged in the programmable scope of recycle compressor by device, recycle compressor outlet pressure is improved as far as possible, because recycle compressor outlet pressure is improved, heat accumulation temperature can be not only improved, unit mass refrigerating expander refrigerating capacity, increase liquid expander unit mass air go out work(, therefore, system effectiveness is improved.
Description
Technical field
The present invention relates to the technical field of energy storage of cryogenic liquefying air, and in particular to a kind of utilization recycle compressor puies forward effect
Cryogenic liquefying air energy storage systems.
Background technology
Cryogenic liquefying air energy storage technology refers to and 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
The energy storage mode that phase release compressed air pushing turbine generates electricity, liquid air energy-storage system have that stored energy capacitance is larger, energy storage
Cycle length, take up an area it is little the advantages of do not rely on geographical conditions.During energy storage, air is compressed, cools down and liquefy by electric energy, while storage
The heat energy discharged during being somebody's turn to do, heats air during for releasing energy；When releasing energy, liquid air is pressurized, gasification, promotes expansion power generation
Unit generation, while the cold energy of the process is stored, for cooling air during energy storage.
But also there is following defect in existing deep cooling liquid air energy storage systems：Cryogenic liquefying air energy storage systems are easily received
To many factors such as environment, equipment and energy loss impact cause its circulation energy storage efficiency it is relatively low, operating cost compared with
It is high, it is therefore necessary to which that a kind of high-effect, inexpensive deep cooling liquid air energy storage systems are provided.
The content of the invention
Therefore, during the technical problem to be solved in the present invention is the energy-storage system for overcoming cryogenic liquefying air in prior art
The circulation energy storage efficiency of presence is relatively low, the higher technological deficiency of operating cost.
To solve above-mentioned technical problem, the present invention provides the cryogenic liquefying air energy storage that a kind of utilization recycle compressor puies forward effect
System, including：
Air compressor unit, including some grades of air compressors, make the gaseous state of low-temp low-pressure air boil down to High Temperature High Pressure
Air；
Air liquefying apparatus, is liquid air by the gaseous air liquefaction of the High Temperature High Pressure；
Heat-energy recovering apparatus, the heat energy to producing in air compression process are collected；
Liquid air storage tank, stores the liquid air of the High Temperature High Pressure；
Gasification installation, the gaseous air for making the liquid air of the High Temperature High Pressure gasify as High Temperature High Pressure, and receive described
The heat energy stored in heat-energy recovering apparatus；
Cold energy retracting device, is collected for the cold energy produced during gaseous air to liquid air gasification, and will be cold
During discharging to gaseous air boil down to liquid air；
Expansion unit, the gaseous air that the gasification of Jing liquid airs is obtained drive described swollen in the expansion unit
Swollen unit is done manual work, and the gaseous air exported in the expansion unit reclaims input to the air compressor unit；
Several decompressors in the expansion unit are carried out Multi-stage heating by heater between level；
Also include：The downstream of the air compressor unit is provided with molecular sieve and recycle compressor, also includes for making
State the pressurizer of recycle compressor exit gas boosting.
Above-mentioned utilization recycle compressor is carried in the cryogenic liquefying air energy storage systems of effect, and the recycle compressor connection is cold
Box unit, the cold box unit connection decompressor and gas-liquid separator, the gas-liquid separator connect the liquid air storage tank.
Above-mentioned utilization recycle compressor is carried in the cryogenic liquefying air energy storage systems of effect, and the expansion unit is at least two
Level expansion unit, the wherein pressure value between each decompressor are identical or different.
Above-mentioned utilization recycle compressor is carried in the cryogenic liquefying air energy storage systems of effect, the heat-energy recovering apparatus be to
A few heat storage can.
Technical solution of the present invention, has the advantage that：
1st, the utilization recycle compressor that the present invention is provided is carried in the cryogenic liquefying air energy storage systems of effect, by the supercharging
Being arranged in the programmable scope of recycle compressor for device, improves recycle compressor outlet pressure as far as possible, because circulation compression
Machine outlet pressure is improved, and can not only improve heat accumulation temperature, and unit mass refrigerating expander refrigerating capacity increases liquid expander list
Position quality air goes out work(, therefore, system effectiveness is improved.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 puies forward the principle of the cryogenic liquefying air energy storage systems of effect for the utilization recycle compressor in the embodiment of the present invention 1
Schematic diagram.
Description of reference numerals：
1- air compressor units；3- heat-energy recovering apparatus；4- liquid air storage tanks；5- gasification installations；6- cold energy reclaims dress
Put；7- expands unit；8- pressurizer.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as additionally, the non-structure each other of technical characteristic involved in invention described below different embodiments
Can just be combined with each other into conflict.
Embodiment 1
The present embodiment provides the cryogenic liquefying air energy storage systems that a kind of utilization recycle compressor puies forward effect, below in conjunction with Fig. 1
The energy-storage system of the present embodiment is described in detail, which includes：
Air compressor unit 1, including some grades of air compressors, makes the gaseous state of low-temp low-pressure air boil down to High Temperature High Pressure
Air；
Heat-energy recovering apparatus 3, the heat energy to producing in air compression process are collected；
Liquid air storage tank 4, stores the liquid air of the High Temperature High Pressure；
Gasification installation 5, the gaseous air for making the liquid air of the High Temperature High Pressure gasify as High Temperature High Pressure, and receive institute
The heat energy stored in stating heat-energy recovering apparatus 3；
Cold energy retracting device 6, is collected for the cold energy produced during gaseous air to liquid air gasification, and will be cold
During discharging to gaseous air boil down to liquid air；
Expansion unit 7, it is described that the gaseous air that the gasification of Jing liquid airs is obtained enters driving in the expansion unit 7
Expansion unit 7 is done manual work, and the gaseous air exported in the expansion unit 7 reclaims input to the air compressor unit 1；
The downstream of the air compressor unit 1 is provided with molecular sieve and recycle compressor 8 also, also includes for making
State the pressurizer 9 of 8 exit gas boosting of recycle compressor.
Above-mentioned embodiment is the core technology scheme of the present embodiment, is pressed by the circulation that is arranged on of the pressurizer 8
In the programmable scope of contracting machine, recycle compressor outlet pressure is improved as far as possible, because recycle compressor outlet pressure is improved, not only
Heat accumulation temperature can be improved, unit mass refrigerating expander refrigerating capacity, increase liquid expander unit mass air go out work(, because
This, system effectiveness is improved.
Specifically, as shown in figure 1, the pressurizer 8 is the motor for supercharging.The recycle compressor 8 connects
Cold box unit, the cold box unit connection decompressor and gas-liquid separator, the gas-liquid separator connect the liquid air storage
Tank 4.The gaseous air reclaimed in gas-liquid separator can be exported to cold box unit again, so as to further boil down to liquid is empty
Gas is simultaneously separated by gas-liquid separator.
The utilization recycle compressor of the present embodiment puies forward the cryogenic liquefying air energy storage systems of effect, energy input devices, i.e. electricity
Motivation, which converts electrical energy into mechanical energy and drives the first air compression plant and the acting of the second air compression plant, wherein the
One air compression plant is low pressure compressor；The compression of second air fills 4 for high pressure compressor.Specifically, the first air compression dress
Putting carries out one stage of compression by gaseous air to being driven by energy input devices, and now the air through one stage of compression is still gaseous state,
Two-stage compression, the second air compression plant are carried out again by the gas after one stage of compression after air cleaner purification then
The air after purification is compressed into into liquid air in the environment of cryogenic high pressure with liquefying plant, and liquid air is received
Collection, stores into liquid air storage tank 4.While two-stage compression process is carried out, heat-energy recovering apparatus are to two-stage compression process
The heat energy of middle generation is collected storage.The mechanical energy consumed by energy input devices, converts for the interior energy of liquid air, by
This completes the storage process of energy.
The release process of energy is：
Liquid air is stored in liquefied air storage tank 4, and liquid air is exported to gasification installation 5 by equipment such as cyropumps
In, the gasification installation 5 includes vaporizer etc..Gasification installation 5 can pressurize to liquid air, so as to promote liquid air to occur
Gasification expansion, by the thermal energy exchange collected in thermal energy storage process to liquid air, so as to promote carrying for liquid air gasification rate
Rise, and improve the enthalpy of gaseous air, improve the mechanical efficiency and dynamic responding speed of the gaseous air, in liquid air gas
While change, cold energy retracting device 6 is collected to the cold energy produced by liquid air gasification, is collected in cold energy retracting device 6
To cold energy can be used in thermal energy storage process, in the first air compression plant and the second air compression plant.Further, liquid is empty
After gas is gasificated into gaseous state, expansion 7 expansion work of unit can be driven, so as to complete exoergic process.
It should be noted that in practical work process, liquid air is to complete gasification, example by multiple expansion process
Such as, the expansion unit 7 used in the present embodiment can also be as the one kind in steam turbine, gas turbine or Stirling-electric hybrid or appoint
Two or three of meaning.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing still in the protection domain of the invention.
Claims (4)
1. a kind of utilization recycle compressor carries the cryogenic liquefying air energy storage systems of effect, including：
Air compressor unit (1), including some grades of air compressors, makes the gaseous state of low-temp low-pressure air boil down to High Temperature High Pressure empty
Gas；
Air liquefying apparatus (2), is liquid air by the gaseous air liquefaction of the High Temperature High Pressure；
Heat-energy recovering apparatus (3), the heat energy to producing in air compression process are collected；
Liquid air storage tank (4), stores the liquid air of the High Temperature High Pressure；
Gasification installation (5), the gaseous air for making the liquid air of the High Temperature High Pressure gasify as High Temperature High Pressure, and receive the heat
Can the middle heat energy for storing of retracting device (3)；
Cold energy retracting device (6), is collected for the cold energy produced during gaseous air to liquid air gasification, and by cold energy
During discharging to gaseous air boil down to liquid air；
Expansion unit (7), the gaseous air that the gasification of Jing liquid airs is obtained drive described in expansion unit (7)
Expansion unit (7) is done manual work, and in expansion unit (7), the gaseous air of output reclaims input to the air compressor unit (1)；
Several decompressors in expansion unit (7) are carried out Multi-stage heating by heater between level；
It is characterized in that：
Also include：The downstream of the air compressor unit (1) is provided with molecular sieve and recycle compressor (8), also includes for making
The pressurizer (9) of recycle compressor (8) exit gas boosting.
2. utilization recycle compressor according to claim 1 carries the cryogenic liquefying air energy storage systems of effect, it is characterised in that：
The recycle compressor (8) connects cold box unit, the cold box unit connection decompressor and gas-liquid separator, the gas-liquid
Separator connects the liquid air storage tank (4).
3. utilization recycle compressor according to claim 2 carries the cryogenic liquefying air energy storage systems of effect, it is characterised in that：
Expansion unit (7) is at least double expansion unit, and the wherein pressure value between each decompressor is identical or different.
4. utilization recycle compressor according to claim 1 carries the cryogenic liquefying air energy storage systems of effect, it is characterised in that：
The heat-energy recovering apparatus (3) are at least one heat storage can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620602298.8U CN206071657U (en) | 2016-06-17 | 2016-06-17 | A kind of utilization recycle compressor carries the cryogenic liquefying air energy storage systems of effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620602298.8U CN206071657U (en) | 2016-06-17 | 2016-06-17 | A kind of utilization recycle compressor carries the cryogenic liquefying air energy storage systems of effect |
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| Publication Number | Publication Date |
|---|---|
| CN206071657U true CN206071657U (en) | 2017-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269500A (en) * | 2017-07-24 | 2017-10-20 | 华北电力科学研究院有限责任公司 | Deep cooling pumping system and its start-up and shut-down control method |
-
2016
- 2016-06-17 CN CN201620602298.8U patent/CN206071657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269500A (en) * | 2017-07-24 | 2017-10-20 | 华北电力科学研究院有限责任公司 | Deep cooling pumping system and its start-up and shut-down control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: State Grid Corporation of China Patentee after: Global energy Internet Institute, Inc. Address before: 102211 Beiqijia Town, Beijing, Changping District, future technology North Zone National Grid hospital Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE |
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| CP03 | Change of name, title or address |