CN206035555U - Waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system - Google Patents
Waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system Download PDFInfo
- Publication number
- CN206035555U CN206035555U CN201620591065.2U CN201620591065U CN206035555U CN 206035555 U CN206035555 U CN 206035555U CN 201620591065 U CN201620591065 U CN 201620591065U CN 206035555 U CN206035555 U CN 206035555U
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- CN
- China
- Prior art keywords
- air
- waste heat
- energy
- heat
- lithium bromide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 63
- 239000002918 waste heat Substances 0.000 title claims abstract description 53
- 238000004146 energy storage Methods 0.000 title claims abstract description 43
- 238000005057 refrigeration Methods 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 39
- 239000000110 cooling liquid Substances 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 19
- 238000002309 gasification Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 7
- 238000003303 reheating Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 14
- 239000007789 gas Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000746 purification Methods 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
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The utility model provides a waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system, the preparation of cold energy is carried out to the low -grade heat that conduction oil and expander assembly 7 workmanship in -process produced after it utilized waste heat lithium bromide unit with reheat, the cold energy that utilizes the waste heat to prepare out can be arranged in compressor set 1 cooling gaseous state air, or be arranged in cooling off the conduction oil of waste heat lithium bromide unit's heat supply, thereby make the waste heat can be by make full use of, this embodiment energy storage system's acting efficiency has helped improving.
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 deep cooling of waste heat lithium bromide refrigerating
Liquid air energy-storage 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.
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.
Therefore, the technical problem to be solved in the present invention is to overcome cryogenic liquefying air in prior art to the content of the invention
Energy storage efficiency is circulated present in energy-storage system relatively low, the higher technological deficiency of operating cost.For solving above-mentioned technical problem, this
Invention provides a kind of deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating, including：
Air compressor unit, including some grades of air compressors, makes 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, to air
The heat energy produced in compression process is collected；Liquid air storage tank, stores the liquid air of the High Temperature High Pressure；Gasification dress
Put, the gaseous air for making the liquid air of the High Temperature High Pressure gasify as High Temperature High Pressure, and receive in the heat-energy recovering apparatus
The heat energy of storage；Cold energy retracting device, is collected for the cold energy produced during gaseous air to liquid air gasification, and will
During cold energy is discharged to gaseous air boil down to liquid air；Expansion unit, the gas that the gasification of Jing liquid airs is obtained
State air is entered and drives the expansion unit to do manual work in the expansion unit, and the gaseous air exported in the expansion unit is reclaimed
It is input into the air compressor unit；
Also include：Waste heat BrLi chiller, the waste heat BrLi chiller utilize the heat-energy recovering apparatus
The low-grade heat produced during the low-grade heat stored in conduction oil after middle reheating, and the expansion unit acting carries out cold
The preparation of energy, the cold energy part prepared for cooling down the gaseous air in the air compressor unit, use by another part
In cooling to the waste heat BrLi chiller heat supply conduction oil.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, the air compressor unit and described swollen
Heat circulation pipeline is provided between swollen unit, is flowed to by the air compressor unit and is set on the circulation line of the expansion unit
It is equipped with First Heat Exchanger；Flowed to by the expansion unit and on the circulation line of the air compressor unit, be provided with the second heat exchange
Device, the waste heat BrLi chiller are arranged on the circulation line.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, the waste heat BrLi chiller sets
Put and flow on the circulation line of the air compressor unit in the expansion unit.The cryogenic liquid of above-mentioned waste heat lithium bromide refrigerating
In state air energy storage systems, the input port connected with the circulation line in the waste heat BrLi chiller and delivery outlet it
Between also set up by pressurizer.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, the pressurizer is choke valve.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, the waste heat BrLi chiller is also
The pipeline in the air compressor unit is connected, to cool down the gaseous air in the air compressor unit pipeline.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, the energy input devices are electronic
Machine, which converts electrical energy into mechanical energy and drives first air compression plant and the second air compression plant and liquefying plant
Acting.
In the deep cooling liquid air energy storage systems of above-mentioned waste heat lithium bromide refrigerating, it is swollen that the expansion unit is at least two-stage
Swollen unit, the wherein pressure value between each decompressor are identical or different.
Technical solution of the present invention, has the advantage that：
1st, in the deep cooling liquid air energy storage systems of the waste heat lithium bromide refrigerating that the present invention is provided, which utilizes waste heat lithium bromide
The low-grade heat that unit is produced during conduction oil after reheating and expansion unit 7 are done manual work carries out the preparation of cold energy, using waste heat
The cold energy prepared can be used for cooling down gaseous air in air compressor unit 1, or be used for cooling residual heat lithium bromide chiller
In heat supply conduction oil so that waste heat can be fully utilized, be favorably improved doing for the present embodiment energy-storage system
Effect rate.
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 illustrates for the principle of the deep cooling liquid air energy storage systems of the waste heat lithium bromide refrigerating in the embodiment of the present invention 1
Figure.
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.
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 of the instruction such as " level ", " interior ", " outward " or position relationship 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 ",
" being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Being the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present 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.
1 the present embodiment of embodiment provides a kind of deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating, below in conjunction with
Fig. 1 is described in detail to the energy-storage system of the present embodiment, and 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 described
The heat energy stored in 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；
Also include waste heat BrLi chiller, the waste heat BrLi chiller utilizes the heat-energy recovering apparatus 3
The low-grade heat produced during the low-grade heat stored in conduction oil after middle reheating, and expansion unit 7 acting is carried out
The preparation of cold energy, the cold energy part prepared is for cooling down the gaseous air, another part in the air compressor unit 1
For cooling down the conduction oil to the waste heat BrLi chiller heat supply.
Above-mentioned embodiment is the core technology scheme of the present embodiment, and which utilizes waste heat lithium bromide chiller by heat conduction after reheating
During oil and expansion unit 7 are done manual work, the low-grade heat that produces carries out the preparation of cold energy, and the cold energy prepared using waste heat can be with
For cooling down gaseous air in air compressor unit 1, or for the conduction oil of the heat supply in cooling residual heat lithium bromide chiller,
So that waste heat can be fully utilized, the mechanical efficiency of the present embodiment energy-storage system has been favorably improved.
Specifically, with reference to Fig. 1, between the air compressor unit 1 and the expansion unit 7, it is provided with heat circulation pipe
Road, is flowed to by the air compressor unit 1 and be provided with First Heat Exchanger on the circulation line of the expansion unit 7；By described swollen
Swollen unit 7 is flowed to and is provided with the second heat exchanger on the circulation line of the air compressor unit 1, the waste heat lithium bromide refrigerator
Group is arranged on the circulation line.
Further, waste heat BrLi chiller is arranged on the expansion unit 7 and flows to the air compressor unit 1
On circulation line.Also set up between the input port and delivery outlet that the waste heat lithium bromide chiller is connected with the circulation line by
Pressurizer, the pressurizer are choke valve, so as to further lift the refrigerating capacity of waste heat lithium bromide chiller.
In the cryogenic liquefying air energy storage systems of the storage tank boosting type of the present embodiment, energy input devices, i.e. motor, its
Convert electrical energy into mechanical energy and drive the first air compression plant and the acting of the second air compression plant, wherein the first air pressure
Compression apparatus are low pressure compressor；The compression of second air fills 4 for high pressure compressor.Specifically, the first air compression plant is to by energy
Amount input equipment drives and for gaseous air to carry out one stage of compression, and now the air through one stage of compression is still gaseous state, then by one
Gas after level compression carries out two-stage compression, the second air compression plant and liquefying plant after air cleaner purification again
Air after purification is compressed into into liquid air in the environment of cryogenic high pressure, and liquid air is collected, stored to liquid
In state air reservoir 4.While two-stage compression process is carried out, heat-energy recovering apparatus are to the heat energy that produces in two-stage compression process
It is collected storage.The mechanical energy consumed by energy input devices, converts for the interior energy of liquid air, this completes energy
Storage process.
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 the lifting of liquid air gasification rate,
And the enthalpy of gaseous air is improved, mechanical efficiency and the dynamic responding speed of the gaseous air is improved, is gasified in liquid air
While, cold energy retracting device 6 is collected to the cold energy produced by liquid air gasification, is collected in cold energy retracting device 6
Cold energy can be used in thermal energy storage process, in the first air compression plant and the second air compression plant.Further, liquid air
After being 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 (7)
1. deep cooling liquid air energy storage systems of a kind of waste heat lithium bromide refrigerating, including：Air compressor unit (1), including some
Level air compressor, makes the gaseous air of low-temp low-pressure air boil down to High Temperature High Pressure；Air liquefying apparatus (2), by the height
The gaseous air liquefaction of warm high pressure is liquid air；Heat-energy recovering apparatus (3), the heat energy to producing in air compression process are carried out
Collect；Liquid air storage tank (4), stores the liquid air of the High Temperature High Pressure；Gasification installation (5), makes the High Temperature High Pressure
Gaseous air of the liquid air gasification for High Temperature High Pressure, and receive the heat energy of storage in the heat-energy recovering apparatus (3)；Cold energy is returned
Receiving apparatus (6), are collected for the cold energy produced during gaseous air to liquid air gasification, and cold energy are discharged to gaseous state
During air boil down to liquid air；Expansion unit (7), the gaseous air that the gasification of Jing liquid airs is obtained enter institute
Expansion unit (7) is driven to do manual work in stating expansion unit (7), the gaseous air of output reclaims defeated in expansion unit (7)
Enter to the air compressor unit (1)；
It is characterized in that：Also include：Waste heat BrLi chiller, the waste heat BrLi chiller are returned using the heat energy
What is produced during the low-grade heat stored in conduction oil after reheating in receiving apparatus (3), and expansion unit (7) acting is low
Grade heat carries out the preparation of cold energy, and the cold energy part prepared is for the cooling gaseous state in the air compressor unit (1)
Air, another part are used for conduction oil of the cooling to the waste heat BrLi chiller heat supply.
2. deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating according to claim 1, the air compressor
Heat circulation pipeline is provided between group (1) and expansion unit (7), is flowed to by the air compressor unit (1) described swollen
First Heat Exchanger is provided with the circulation line of swollen unit (7)；The air compressor unit is flowed to by expansion unit (7)
(1) the second heat exchanger is provided with circulation line, and the waste heat BrLi chiller is arranged on the circulation line.
3. deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating according to claim 2, it is characterised in that：It is described
Waste heat BrLi chiller is arranged on expansion unit (7) and flows on the circulation line of the air compressor unit (1).
4. deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating according to claim 3, it is characterised in that：
Supercharging dress is additionally provided between the input port and delivery outlet that the waste heat lithium bromide chiller is connected with the circulation line
Put.
5. deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating according to claim 4, it is characterised in that：
The pressurizer is choke valve.
6. deep cooling liquid air energy storage systems of the waste heat lithium bromide refrigerating according to any one of claim 1-5, which is special
Levy and be：
The waste heat BrLi chiller also connects the pipeline in the air compressor unit (1), to cool down the air pressure
Gaseous air in contracting unit (1) pipeline.
7. deep cooling liquid air energy storage systems of waste heat lithium bromide refrigerating according to claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591065.2U CN206035555U (en) | 2016-06-16 | 2016-06-16 | Waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591065.2U CN206035555U (en) | 2016-06-16 | 2016-06-16 | Waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system |
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| Publication Number | Publication Date |
|---|---|
| CN206035555U true CN206035555U (en) | 2017-03-22 |
Family
ID=58313360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620591065.2U Active CN206035555U (en) | 2016-06-16 | 2016-06-16 | Waste heat lithium bromide refrigeration's cryrogenic liquefied air energy storage system |
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| CN (1) | CN206035555U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849023A (en) * | 2019-11-01 | 2020-02-28 | 西安交通大学 | Combined cooling, heating and power system and method for compressed air and thermochemical coupling energy storage |
| CN111578726A (en) * | 2020-05-21 | 2020-08-25 | 中南大学 | Device for treating dioxin by wall attachment effect induced air for electric arc furnace |
| CN111578725A (en) * | 2020-05-21 | 2020-08-25 | 中南大学 | Device for rapidly cooling and treating dioxin for electric arc furnace and application thereof |
| CN112112694A (en) * | 2020-10-19 | 2020-12-22 | 中国科学院理化技术研究所 | Liquid air energy storage system and method for self-absorption of compression heat |
-
2016
- 2016-06-16 CN CN201620591065.2U patent/CN206035555U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849023A (en) * | 2019-11-01 | 2020-02-28 | 西安交通大学 | Combined cooling, heating and power system and method for compressed air and thermochemical coupling energy storage |
| CN111578726A (en) * | 2020-05-21 | 2020-08-25 | 中南大学 | Device for treating dioxin by wall attachment effect induced air for electric arc furnace |
| CN111578725A (en) * | 2020-05-21 | 2020-08-25 | 中南大学 | Device for rapidly cooling and treating dioxin for electric arc furnace and application thereof |
| CN111578725B (en) * | 2020-05-21 | 2021-05-07 | 中南大学 | Device for rapidly cooling and treating dioxin for electric arc furnace and application thereof |
| CN111578726B (en) * | 2020-05-21 | 2021-05-07 | 中南大学 | Device for treating dioxin by wall attachment effect induced air for electric arc furnace |
| CN112112694A (en) * | 2020-10-19 | 2020-12-22 | 中国科学院理化技术研究所 | Liquid air energy storage system and method for self-absorption of compression heat |
| CN112112694B (en) * | 2020-10-19 | 2023-10-13 | 中国科学院理化技术研究所 | Liquid air energy storage system and method capable of self-dissipating compression heat |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| 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 |