CN206073780U - A kind of layering accumulator is put and a kind of cryogenic liquefying air energy storage systems put using layering accumulator - Google Patents
A kind of layering accumulator is put and a kind of cryogenic liquefying air energy storage systems put using layering accumulator Download PDFInfo
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- CN206073780U CN206073780U CN201620578574.1U CN201620578574U CN206073780U CN 206073780 U CN206073780 U CN 206073780U CN 201620578574 U CN201620578574 U CN 201620578574U CN 206073780 U CN206073780 U CN 206073780U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 25
- 238000002309 gasification Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 239000011232 storage material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
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- 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
- Y02E60/14—Thermal energy storage
Abstract
The utility model provides a kind of layering accumulator and puts and a kind of using the layering cryogenic liquefying air energy storage systems put of accumulator, the layering accumulator put including：At least two cool storage containers, connect by defeated cold passage between the adjacent cool storage container, and cool storage container described at least one is connected with the output end of cold energy；During storage is cold, the cold energy overflowed during cool storage container storage is cold described in previous stage is entered in cool storage container described in rear stage by the defeated cold passage, the cool storage container precooling described in rear stage, the tail gas discharged in previous stage cool storage container still includes certain cold energy, again to rear stage cool storage container precooling after, cold energy in tail gas can be compared with the exchange of limits to the cold storage material in cool storage container, so as to largely improve the filling rate of cold energy, it is to avoid cold energy is wasted.
Description
Technical field
The present invention relates to cold energy storage and conveying technology field, and in particular to a kind of layering accumulator is put, liquefied air storage
Cooling system and electric power store defeated cooling system.
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.
In existing cryogenic liquefying air energy storage technology, the cold energy being stored is usually used in gaseous air liquefaction process to gas
State air is cooled down, but the cold energy consumed required for gaseous air liquefaction is limited, and unnecessary cold energy is then discharged,
So as to cause the waste of cold energy.For this purpose, those skilled in the art are usually used accumulator put cold energy collection storage, then will
The conveying that cold energy is oriented, for example, indoor transporting cold-air etc..During actually used, an accumulator puts what is can stored
Cold energy is limited, will put collaboration storage using multiple accumulators cold, is generally put after Chu Leng completes, then under in an accumulator
One accumulator is put and carries out Chu Leng, and this storage cooling method has following defect:1. during previous stage storage is cold cold energy will be had not
Disconnected effusion so that the storage rate of cold energy is relatively low；2. the accumulator of rear stage is put due to being that, in rear storage, therefore the cold energy in which is deposited
Amount is usually more than the storage that previous stage accumulator is put, and that is to say, the cold energy temperature for discharging is put by rear stage accumulator more
Low, when thus causing cold energy release, the temperature of output is different, and the cold energy streaking of output is even.
The content of the invention
Therefore, the technical problem to be solved in the present invention is the storage rate for overcoming accumulator of the prior art to put middle cold energy
It is relatively low, and when cold energy is exported, the temperature of its output is different, the even technological deficiency of the cold energy streaking of output.
To solve above-mentioned technical problem, the present invention provides a kind of layering accumulator and puts, it is characterised in that include：
At least two cool storage containers, connect by defeated cold passage between the adjacent cool storage container, cool storage container described at least one
It is connected with the output end of cold energy；During storage is cold, the cold energy overflowed during cool storage container storage is cold described in previous stage is by institute
Defeated cold passage is stated in cool storage container described in rear stage, is cool storage container precooling described in rear stage.
During above-mentioned layering accumulator is put, during several adjacent described cool storage containers are one group, and per group of cool storage container
Connect the output end of the cold energy in preceding one-level.
During above-mentioned layering accumulator is put, connect the output end of the cold energy positioned at the cool storage container of the series connection first order.
During above-mentioned layering accumulator is put, also including cold passage is released, the cool storage container is connected by the cold passage of releasing one by one.
During above-mentioned layering accumulator is put, cold passage and the defeated cold passage released is same passage.
The present invention also provides a kind of cryogenic liquefying air energy storage systems put using layering accumulator, including energy input dress
Put, for for input energy in energy-storage system；
Air compression plant, is driven by the energy input devices and for gaseous air to be compressed into liquid air；
Gasification installation, the liquid air is gasified；
And, above-mentioned layering accumulator is put, the cold energy that will be produced in liquid air gasification in the gasification installation
Storage.
Above-mentioned utilizing is layered in the cryogenic liquefying air energy storage systems that accumulator is put, and the air compression plant includes：
First order air compressor, air cleaner and second level air compressor, the first order air compressor are low pressure pressure
Contracting machine, the second level be high pressure compressor, the purification of air that the air cleaning unit will be compressed through low pressure, and be input into
Further boil down to liquid air in the second level air compressor.
Above-mentioned utilizing is layered in the cryogenic liquefying air energy storage systems that accumulator is put, and the gasification installation is by described defeated
Cold passage is connected with the cool storage container.
Above-mentioned utilizing is layered in the cryogenic liquefying air energy storage systems that accumulator is put, and the gasification installation is evaporimeter.
Above-mentioned utilizing is layered in the cryogenic liquefying air energy storage systems that accumulator is put, also including expansion unit, described swollen
Swollen unit is at least one-level, and the expansion unit is connected with the input shaft of generating set, so as to drive the generating set
Operating generates electricity.
Technical solution of the present invention, has the advantage that：
1. during the layering accumulator of the present invention is put, including at least two cool storage containers, by defeated between the adjacent cool storage container
Cold passage is connected, and cool storage container described at least one is connected with the output end of cold energy；During storage is cold, store up described in previous stage cold
The cold energy overflowed during device storage is cold is entered in cool storage container described in rear stage by the defeated cold passage, is to store up cold described in rear stage
Device precooling, the tail gas discharged in previous stage cool storage container still include certain cold energy, then to rear stage cool storage container precooling after, in tail gas
Cold energy can compared with the exchange of limits to the cold storage material in cool storage container, so as to largely improve the filling rate of cold energy,
Cold energy is avoided to waste.
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 is that the layering accumulator described in embodiments of the invention 1 puts the principle schematic for storing up cold process；
Fig. 2 is that the layering accumulator described in embodiments of the invention 1 puts the principle schematic for releasing cold process；
Fig. 3 is the principle schematic of the liquefied air cold-storage system described in embodiments of the invention 3；
Fig. 4 is the principle schematic that the electric power described in embodiments of the invention 4 stores defeated cooling system.
Description of reference numerals：
1- cool storage containers；The defeated cold passages of 2-；3- releases cold passage；4- energy input devices；5- air compression plants；6- gasification dresses
Put；7- expands unit.
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
With reference to Fig. 1, the present embodiment provides a kind of layering accumulator and puts, and including some cool storage containers 1, the quantity of cool storage container 1 is not
Less than 2, arbitrary cool storage container 1 is connected with cold energy output end, so as to receiving the cold energy of cold energy output end output and storing, also,
Connected by defeated cold passage 2 between adjacent memory 1, so during storage is cold, previous stage cool storage container 1 stores up cold process
The cold energy of middle effusion can be entered into by defeated cold passage 2 in the cool storage container 1 of rear stage, so as to carry out for rear stage cool storage container 1
Precooling.
Above-mentioned embodiment is the core technology scheme of the present embodiment, by will go here and there by defeated cold passage 2 between cool storage container 1
The design of connection, by previous stage cool storage container 1, during storage is cold, the waste cold of an effusion is imported in rear stage cool storage container 1, is latter
Level 1 precooling of cool storage container.
As one kind preferred embodiment, cold energy is carried out in cool storage container 1 by means of air, liquid or other media
Heat exchange, by taking air as an example, the tail gas discharged in previous stage cool storage container 1 still includes certain cold energy, then to rear stage cool storage container 1
After precooling, the cold energy in tail gas can be compared with the exchange of limits to the cold storage material in cool storage container 1, so as to largely improve
The filling rate of cold energy, it is to avoid cold energy is wasted.
Preferably by be connected with the output end of cold energy in the cool storage container 1 of the series connection first order in the present embodiment, thereafter multistage
Cool storage container 1 is also connected by defeated cold passage 2 with the output end of cold energy respectively, and is provided with the defeated cold passage 2 per bar and can be beaten
The control valve of cold energy flow velocity is closed or is reconciled in open and close.
The cold process of storage that above-mentioned layering accumulator is put is：
With reference to Fig. 1. the control valve being first turned between the cool storage container 1 and cold energy output end of the first order, and first
Control valve between the cool storage container 1 and the cool storage container 1 of the second level of level, cold energy are first in the cool storage container 1 of the first order, are changing
In thermal process, tail gas is entered in the cool storage container 1 of the second level by controlling valve, so as to carry out precooling to the cool storage container 1 of the second level,
Ensure that making full use of for cold energy.After the cool storage container 1 of the first order stores up cold finishing, the cool storage container 1 and cold energy for closing the first order is defeated
The control valve gone out between end, and the control valve between the cool storage container 1 of the first order and the cool storage container 1 of the second level, the so far first order
Cool storage container 1 store up cold finishing.Control valve between the cool storage container 1 and cold energy output end of the second level is opened then, cold energy is by defeated cold
Passage 2 is entered in the cool storage container 1 of the second level, and opens the control between the cool storage container 1 of the second level and the cool storage container 1 of the third level
Valve, the cool storage container 1 of the second level store up it is cold during the tail gas with waste cold that escapes enter into the third level cool storage container 1 in, be
Its precooling, so as to the storage for completing the cool storage container 1 of the second level is cold, and the precooling process of the cool storage container 1 of the third level.Thereafter
The cold process of storage of three-level, the fourth stage, level V etc. is same, does not then repeat one by one at this.
What above-mentioned layering accumulator was put releases cold process is：
The control valve between each cool storage container 1 is opened successively, the control closed between each cool storage container 1 and cold energy output end
Valve, with the cool storage container 1 of afterbody as starting, using air as the output medium of cold energy.It is passed through to the cool storage container 1 of afterbody
Normal temperature air, gas at normal temperature are exported after passing sequentially through the cool storage container 1 of every one-level, so that the gas of output is in more by a small margin
In the temperature range of variation so that the cold energy quality of output is higher, and the scope of application is wider.
It should be noted that the release cold passage 3 and storage cold passage 2 in the present embodiment used in preferred exoergic process is same
One passage, so as to contribute to simplifying structure and reduces cost.But releasing cold passage 3 can also be and store up cold passage 2 not to be same logical
Road, and be individually designed.Hereinafter then combine the embodiment for cold passage 3 and storage cold passage 2 being released for same passage, and combine
Fig. 2 is explained to the cold process of releasing of the present embodiment.
And on the other hand, in above-mentioned preferred layering accumulator is put, only wherein one-level cool storage container 1 is defeated with cold energy
Go out what end was connected, so allow for state of this grade of cool storage container 1 all the time in cold energy is received, therefore the cold energy of its storage is most
It is many.Such as without above-mentioned tail gas precooling process, then the cold energy stored in cool storage container will successively decrease with being incremented by for series, and this is just
Cause the cold temperature of storage in different cool storage containers 1 different, the streaking of output cold energy when needing to discharge cold energy, will be caused
It is even, have influence on the scope of application that cool storage container 1 discharges cold energy.For example, preservation is carried out to some materials using the output cold energy of cool storage container 1
When, the uneven material that this may result in of cold energy output goes bad or change of physical state etc. occurs, in this citing that then differs
Explanation.
Embodiment 2
Unlike the present embodiment and embodiment 1, in the present embodiment, only with one of some cool storage containers 1 and cold
The output end of energy is connected, and during storage is cold, is stored in cool storage containers at different levels 1 successively, and exoergic process is identical with embodiment 1.
For the cold mode of this storage is compared to embodiment 1, the tail gas of effusion still includes more cold energy, but previous stage storage
The tail gas discharged in cooler 1 remains to carry out precooling for the cool storage container 1 of rear stage, therefore puts compared to accumulator of the prior art
For, remain to improve the cold rate of storage to a certain extent, reduce cold energy and waste.
Embodiment 3
The cryogenic liquefying air energy storage system put using layering accumulator of the present embodiment offer is described in detail below in conjunction with Fig. 3
System, the liquefied air cold-storage system include：Energy input devices 4, for for input energy in energy-storage system；
Air compression plant 5, is driven by the energy input devices 4 and for gaseous air to be compressed into liquid air；
Gasification installation 6, the liquid air is gasified；
And, the layering accumulator described in embodiment 1 or 2 is put, for liquid air in the gasification installation 6 is gasified
During produce cold energy storage.
Above-mentioned embodiment is the core technology scheme of the present embodiment, and the layering accumulator described in embodiment 1 or 2 is put
Combine use with liquid air energy storage device, practical work process is that gaseous air first passes around air compression plant in spy
Liquid air is compressed under fixed environmental condition, storage heat energy is collected in the process.Liquid air is discharged during gasifying
Substantial amounts of cold energy, during the cold energy after collection is stored in embodiment 1 or the layering accumulator described in embodiment 2 is put.
Specifically, gasification installation 6 is evaporimeter, and which is connected with cool storage container 1 by defeated cold passage 2.The air compression
Device 5 includes：First order air compressor, air cleaner and second level air compressor, the first order air compression
Machine is low pressure compressor, and the second level is high pressure compressor, and the air cleaning unit will be the air compressed through low pressure net
Change, and be input into into the second level air compressor further boil down to liquid air.
Embodiment 4
The present embodiment provides a kind of cryogenic liquefying air energy storage systems put using layering accumulator, using in embodiment 3
Described liquefied air cold-storage system, specifically, also including expansion unit 7, the expansion unit 7 is at least one-level, and described
Expansion unit 7 is connected with the input shaft of generating set, so as to drive the generating set operating to generate electricity.
With reference to Fig. 4, gaseous air releases substantial amounts of heat energy after liquefaction, and heat energy is stored the storage device with heat energy
In, that is to say and the mechanical energy that energy input devices 4 are input into is converted into liquid air and heat energy is stored, when needing to use
During the energy of liquid air storage, liquid air is gasified, the liquid air after gasification installation 6 gasifies enters into decompressor
In group 7, due to the change of volume, the liquid air after gasification can drive expansion unit 7 to do work, and then cause expansion unit 7
Connected generating set operating can be driven to generate electricity, the energy that liquid air is stored is converted into into electric energy.Liquid is empty simultaneously
Gas will discharge substantial amounts of cold energy in gasification, and the part cold energy is put using the layering accumulator described in embodiment 1 or 2 and carried out
Efficient cold energy storage.
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 (10)
1. a kind of layering accumulator is put, it is characterised in that include：
At least two cool storage containers (1), connect by defeated cold passage (2) between the adjacent cool storage container (1), store up described at least one
Cooler (1) is connected with the output end of cold energy；During storage is cold, overflow during cool storage container described in previous stage (1) storage is cold
Cold energy is cool storage container described in rear stage (1) precooling by the defeated cold passage (2) in cool storage container described in rear stage (1).
2. a kind of layering accumulator according to claim 1 is put, it is characterised in that：
Several adjacent described cool storage containers (1) are one group, and described in the connection of preceding one-level in per group of cool storage container (1)
The output end of cold energy.
3. layering accumulator according to claim 1 is put, it is characterised in that：
Connect the output end of the cold energy positioned at the cool storage container (1) of the series connection first order.
4. the layering accumulator according to any one of claim 1-3 is put, it is characterised in that：
Also include releasing cold passage (3), the cool storage container (1) is connected by the cold passage (3) of releasing one by one.
5. layering accumulator according to claim 4 is put, it is characterised in that：
It is described that to release cold passage (3) with the defeated cold passage (2) be same passage.
6. it is a kind of to utilize the cryogenic liquefying air energy storage systems for being layered that accumulator is put, it is characterised in that including in claim 1-5
Layering accumulator described in any one is put, and also includes：
Energy input devices (4), for for input energy in energy-storage system；
Air compression plant (5), is driven by the energy input devices (4) and for gaseous air to be compressed into liquid air；
Gasification installation (6), the liquid air is gasified；
And, the layering accumulator any one of claim 1-5 is put, by liquid air gas in the gasification installation (6)
The cold energy storage produced during change.
7. a kind of according to claim 6 using the cryogenic liquefying air energy storage systems that accumulator is put are layered, its feature exists
In：
The air compression plant (5) includes：First order air compressor, air cleaner and second level air compressor,
The first order air compressor is low pressure compressor, and the second level is high pressure compressor, and the air cleaning unit is by Jing
The purification of air of low pressure compression is crossed, and is input into into the second level air compressor further boil down to liquid air.
It is 8. according to claim 6 to utilize the cryogenic liquefying air energy storage systems for being layered that accumulator is put, it is characterised in that：
The gasification installation (6) is connected with the cool storage container (1) by the defeated cold passage (2).
It is 9. according to claim 8 to utilize the cryogenic liquefying air energy storage systems for being layered that accumulator is put, it is characterised in that：
The gasification installation (6) is evaporimeter.
10. the cryogenic liquefying air energy storage systems that the utilization layering accumulator according to any one of claim 6-9 is put, its
It is characterised by：Also include expansion unit (7), expansion unit (7) is at least one-level, and expansion unit (7) and generate electricity
The input shaft of unit is connected, so as to drive the generating set operating to generate electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578574.1U CN206073780U (en) | 2016-06-14 | 2016-06-14 | A kind of layering accumulator is put and a kind of cryogenic liquefying air energy storage systems put using layering accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578574.1U CN206073780U (en) | 2016-06-14 | 2016-06-14 | A kind of layering accumulator is put and a kind of cryogenic liquefying air energy storage systems put using layering accumulator |
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| CN206073780U true CN206073780U (en) | 2017-04-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928405A (en) * | 2016-06-14 | 2016-09-07 | 全球能源互联网研究院 | Layered cold storage device and cryogenic liquid air energy storage system using same |
| CN110630344A (en) * | 2019-09-11 | 2019-12-31 | 湖南匡楚科技有限公司 | Power generation and energy storage method and system |
-
2016
- 2016-06-14 CN CN201620578574.1U patent/CN206073780U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928405A (en) * | 2016-06-14 | 2016-09-07 | 全球能源互联网研究院 | Layered cold storage device and cryogenic liquid air energy storage system using same |
| CN105928405B (en) * | 2016-06-14 | 2018-12-18 | 全球能源互联网研究院有限公司 | A kind of layering accumulator is set and a kind of utilizes the cryogenic liquefying air energy storage systems set of layering accumulator |
| CN110630344A (en) * | 2019-09-11 | 2019-12-31 | 湖南匡楚科技有限公司 | Power generation and energy storage method and system |
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