CN108869215A - Mobile island power supply system based on liquid air energy storage technology - Google Patents
Mobile island power supply system based on liquid air energy storage technology Download PDFInfo
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- CN108869215A CN108869215A CN201810541225.6A CN201810541225A CN108869215A CN 108869215 A CN108869215 A CN 108869215A CN 201810541225 A CN201810541225 A CN 201810541225A CN 108869215 A CN108869215 A CN 108869215A
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- liquid air
- heat exchanger
- energy
- power supply
- cold
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- 239000007788 liquid Substances 0.000 title claims abstract description 106
- 238000004146 energy storage Methods 0.000 title claims abstract description 26
- 238000005516 engineering process Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 16
- 238000010248 power generation Methods 0.000 claims description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000004087 circulation Effects 0.000 claims description 5
- 239000013529 heat transfer fluid Substances 0.000 claims description 4
- 239000001294 propane Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H02J3/382—
Abstract
Mobile island power supply system provided by the invention based on liquid air energy storage technology, including boat-carrying charging module, liquid air production module and island power supply module, boat-carrying charging module is arranged on hull, liquid air produces module and is arranged in land, boat-carrying charging module includes that liquid air storage tank and liquid air release energy component, is connected between the two by pipeline；The present invention uses liquid air energy storage technology, and the electric power on bank is converted to cryogenic cold energy and is stored in liquid air, then liquid air is transported to island, converts electric power for the cryogenic cold energy in liquid air, efficiently solves the problems, such as that ocean island electric power is insufficient.
Description
Technical field
The present invention relates to marine power supply technique field more particularly to a kind of movable type seas based on liquid air energy storage technology
Island power supply system.
Background technique
There are mainly two types of modes for island power supply, and one is interconnection types, and one is off-network types.For medium-and-large-sized island archipelago
Speech is networked, such as boat due to having higher requirement to electricity needs total amount and reliability often through sea cable and continent
The Zhoushan major network in mountain group island area is connected by 220kV and 110kV sea cable with continental Grid.And for more remote small island and
Speech, due to peak load is limited, conveying distance farther out, island area it is narrow, be laid with sea cable and need to pay in technology and economic aspect
Bigger cost out is relatively suitble to off-network type island power supply mode.
Under off-network type island power supply mode, the renewable energy such as local solar energy, wind energy and tide energy are made full use of,
Relying on distributed generation technology is an effective approach for solving the problems, such as island energy supply.However these renewable energy
Intermittent and unstability causes island power generation transmission of electricity can not be continual and steady.Especially when island self generating is at a low ebb
Section, while when user side power demand wretched insufficiency, with greater need for a kind of by providing the means of electric energy outside island.
Summary of the invention
In view of the above problems, it is an object of that present invention to provide a kind of uniqueness by liquid air energy storage technology is excellent
Gesture, on island when own power insufficient supply, the liquid for transporting liquid air production modular manufacture using boat-carrying charging module is empty
Gas runs liquid air release part, the power Transmission of generation is to island power supply module, to realize the steady of island power supply to island
The qualitatively mobile island power supply system based on liquid air energy storage technology.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：It is a kind of based on liquid air energy storage technology
Mobile island power supply system, including boat-carrying charging module, liquid air production module and island power supply module, the boat-carrying
Charging module is arranged on hull, and liquid air produces module and is arranged in land, and the boat-carrying charging module includes liquid
Air reservoir and liquid air release energy component, are connected between the two by pipeline.
Liquid air of the invention releases the head that hull is arranged in energy component, and the liquid air storage tank is arranged in hull
Middle part is additionally provided on the hull：Cabin area, hull tail portion below the fore body area of hull lower head, hull tail portion
The necessary parts such as whellhouse area and the area Shang Jian of hull upper rear.
It includes device for converting electric energy, First Heat Exchanger and cold-storage cell arrangement that liquid air of the invention, which releases energy component,；Institute
The device for converting electric energy stated by cryogenic pump, more release can the turbines of heat exchanger tube and multistage different pressures be connected in series, every level-one is saturating
Flat input terminal is equipped with one and releases energy heat exchanger tube, and the output end of afterbody turbine is connected on power generation power transmitting device；Described
Cold-storage cell arrangement is composed by receiving energy heat exchanger tube, control valve, circulating pump and cold-storage unit, and the cold-storage unit passes through two
A control valve is connected in parallel on the both ends for receiving energy heat exchanger tube, and one end of cold-storage unit passes through circulating pump and connects cold outer end, cold-storage unit
The other end pass through that circulating pump connection receives can heat exchanger tube；The First Heat Exchanger is closed shell, and receiving can heat exchanger tube and more
Root is released energy heat exchanger tube and is installed on First Heat Exchanger；Module fit on liquid air storage in liquid air production module
Tank, when island power supply deficiency, Chargeable ship transports liquid air storage tank to island, consumes liquid air, operation liquid is empty
The electric power of gas release part, generation is transported to island power supply module by interface of transmitting electricity.
The both ends of First Heat Exchanger of the invention are respectively equipped with air inlet valve and air outlet slit valve；Of the invention
During the work time, the cold storage discharged when preferentially liquid air gasifying is in cold-storage unit, when cold-storage list for one heat exchanger
Member storage cold energy saturation or the cold energy of liquid air instantaneous relase it is excessive and when being not enough to be stored by cold-storage unit completely, openable sky
Gas inlet valve and air outlet slit valve are flowed using outside air and take away cold energy extra in First Heat Exchanger.
Liquid air of the present invention release can release in component can the quantity of heat exchanger tube and turbine be no less than one, Mei Getou
Averagely through connection on power generation power transmitting device；When use release can heat exchanger tube and turbine quantity for multiple groups when, can be with
It is adequately generated electricity using the energy of liquid air release, improves the capacity usage ratio of single unit system.
It is of the present invention to be connected on cold-storage unit with cold outer end by circulation line；Cold-storage unit of the present invention
In heat-transfer fluid be methanol or propane；In implementation process：The good heat-transfer of two kinds of heat-transfer fluids is economical and practical.It is described
With cold outer end can be used for being shipped to island fresh fruit of vegetables food refrigeration storage, indoor occupant air conditioner refrigerating and return to bank to
Pre-cooling etc. improves energy utilization rate to recycle cold energy before air liquefaction.
Liquid air production module of the present invention includes drier, multiple compressors, multiple heat exchangers, low temperature turbine
With liquid air storage tank, the drier is sequentially connected compressor, heat exchanger, low temperature turbine and liquid air by air inlet pipe
Storage tank, the output end of each compressor is equipped with a heat exchanger in air inlet pipe, the last one heat exchanger is connected by low temperature turbine
Liquid air storage tank is connect, liquid air storage tank is sequentially connected heat exchanger and drier by return pipe, and multiple on return pipe change
Hot device is concatenated；The module utilizes liquid air product needed for bank power grid or the power generation of neighbouring power plant sending.
The number of compressor and heat exchanger is no less than one in liquid air production module of the present invention.When use
When the quantity of compressor and heat exchanger is multiple groups, the excess energy generated in liquid air production process is made full use of,
Improve the capacity usage ratio of single unit system.
Island power supply module of the present invention includes charging interface, central controller, battery and island electricity generation system,
The charging interface, island electricity generation system, battery are connected in parallel on central controller, and the central controller is by simultaneously
Net inverter is connected in island microgrid；When island, electricity generation system generated energy is insufficient for user power utilization demand, charging
Power generation power transmitting device in mouth connection boat-carrying charging module, electric energy are transported to central controller, are directly conveyed through gird-connected inverter
To island microgrid to subscriber's side powered, and electric power more than needed is operated through central controller, is stored in battery to realize confession
The stability of electricity.
The advantage of the invention is that：Using liquid air energy storage technology, the electric power on bank is converted to cryogenic cold energy storage
It is transported to island in liquid air, then liquid air, converts electric power for the cryogenic cold energy in liquid air, is effectively solved
The problem of ocean island electric power deficiency.
This system can realize the stabilization, schedulable of island power supply, have compatible various renewable energy it is grid-connected with it is distributed
The ability of energy power generation, and the ancillary services such as energy management are provided.
This system is high-efficient, initial cost is low, technical flow design saving power and preventing pollution dye, with liquid air energy storage technology technology
Continuous maturation, with good application prospect.
Detailed description of the invention
Fig. 1 is the overall construction drawing of the mobile island power supply system of the invention based on liquid air energy storage technology；
Fig. 2 is the working principle structure chart of boat-carrying charging module of the invention；
Fig. 3 is the working principle structure chart that liquid air of the invention produces module；
Fig. 4 is the working principle structure chart of island power supply module of the invention；
Wherein, 1 fore body area；2 liquid air are released can component；3 liquid air storage tanks；4 cabin areas；5 whellhouse areas；On 6
Build area；7 liquid air produce module；8 island power supply modules；
201 cryogenic pumps；202 First Heat Exchangers；203 high pressure turbines；204 intermediate pressure turbines；205 low pressure turbines；206 power generations
Power transmitting device；207 first control valves；208 cold-storage units；209 second control valves；210 first circulations pump；211 second follow
Ring pump；212 with cold outer end；2021 first release energy heat exchanger tube；2022 second release energy heat exchanger tube；2023 thirds, which are released, to exchange heat
Pipe；2024 receive energy heat exchanger tube；2025 air inlet valves；2026 air outlet slit valves；
701 driers；702 compressor sets；703 second heat exchangers；704 low temperature turbines；705 liquid air storage tanks；706
Return pipe；7021 first compressors；7022 third heat exchangers；7023 second compressors；7024 the 4th heat exchangers；7025
Third compressor；
801 charging interfaces；802 central controllers；803 batteries；804 island electricity generation systems；805 gird-connected inverters；
806 island microgrids.
Specific embodiment
The present invention is described in further detail with specific embodiment for explanation with reference to the accompanying drawing.
Embodiment 1：As shown in Figure 1, a kind of mobile island power supply system based on liquid air energy storage technology, including ship
It carries charging module, liquid air production module 7 and island power supply module 8, the boat-carrying charging module to be arranged on hull, liquid
State air produces module 7 and is arranged in land, and the boat-carrying charging module includes that liquid air storage tank 3 and liquid air release energy
Component 2, is connected by pipeline between the two；Liquid air releases the head that hull is arranged in energy component 2, the liquid air
The setting of storage tank 3 is additionally provided on midship, the hull：Machine below the fore body area 1 of hull lower head, hull tail portion
The necessary parts such as the area Shang Jian 6 in cabin area 4, the whellhouse area 5 of hull tail portion and hull upper rear.
Embodiment 2：Include device for converting electric energy, First Heat Exchanger 202 and store as shown in Fig. 2, liquid air releases energy component 2
Cold cell arrangement；For the device for converting electric energy by cryogenic pump 201, more are released energy heat exchanger tube 2021,2022,2023 and multistage not
Turbine 203,204,205 with pressure is connected in series, and the input terminal of every level-one turbine is equipped with one and releases energy heat exchanger tube, afterbody
The output end of turbine 205 is connected on power generation power transmitting device 206；The cold-storage cell arrangement can heat exchanger tube 2024, control by receiving
Valve 207,209 circulating pumps 210,211 and cold-storage unit 208 processed are composed, and the cold-storage unit 208 passes through two control valves
207,209 the both ends for receiving energy heat exchanger tube 2024 are connected in parallel on, one end of cold-storage unit 208 connects cold outer end by circulating pump 211
212, the other end of cold-storage unit 208 is received by the connection of circulating pump 210 can heat exchanger tube 2024；The First Heat Exchanger 202 is
Closed shell, receives energy heat exchanger tube 2024 and Duo Gen releases energy heat exchanger tube 2021,2022,2023 and is installed in First Heat Exchanger 202
On.
Embodiment 3：As shown in Fig. 2, 201 input terminal of cryogenic pump and liquid air tanks portion in liquid air release part
The first liquid air storage tank 301 in 3 is connected, and output end releases energy 2021 input terminal of heat exchanger tube with first and is connected, and first releases and can change
2021 output end of heat pipe is connected with 203 input terminal of high pressure turbine, 203 output end of high pressure turbine with second release can heat exchanger tube 2022 it is defeated
Enter end be connected, second release can 2022 output end of heat exchanger tube is connected with 204 input terminal of intermediate pressure turbine, 204 output end of intermediate pressure turbine and
Third releases energy 2023 input terminal of heat exchanger tube and is connected, and third releases energy 2023 output end of heat exchanger tube and is connected with 205 input terminal of low pressure turbine,
205 output end of low pressure turbine is connected with power generation power transmitting device 206, so that constituting liquid air releases energy power generation process.
202 right end of First Heat Exchanger is equipped with air inlet valve 2025, and left end is equipped with air outlet slit valve 2026, and upper end is set
Some receipts energy heat exchanger tubes 2024 successively pump 210 with the first control valve 207, cold-storage unit 208, the second control valve 209, first circulation
Be connected, lower end be equipped with first release can heat exchanger tube 2021, second release can heat exchanger tube 2022, third release can heat exchanger tube 2023, when needing
When generating electric power, 207 lower inlet of the first control valve and the lower outlet of the second control valve 209 are opened, i.e. 208 cold-storage of cold-storage unit
Circulation is opened, and the liquid air in liquid air storage tank 3 is forced into high pressure through cryogenic pump 201, is passed through into First Heat Exchanger 202
It releases energy heat exchanger tube 2021,2022,2023 and discharges cold energy, then done respectively by the expansion of high, medium and low voltage turbine 203,204,205
Function power generation, wherein cold energy is stored in cold-storage unit 208 by charge cycle.
Embodiment 4：As shown in Fig. 2, the both ends of First Heat Exchanger 202 are respectively equipped with air inlet valve 2025 and air goes out
Mouth valve 2026；During the work time, the cold energy discharged when preferentially liquid air gasifying stores up First Heat Exchanger 202 of the invention
There are in cold-storage unit 208, when cold-storage unit 208 stores up, cold energy is saturated or the cold energy of liquid air instantaneous relase is excessively not enough to
When being stored completely by cold-storage unit 208, openable air inlet valve 2025 and air outlet slit valve 2026 utilize outside air
Cold energy extra in First Heat Exchanger 202 is taken away in flowing.
Embodiment 5：As shown in Fig. 2, the cold energy recycling and reusing process of cold-storage unit 208 can effectively improve the liquid of the system
State air energy storage efficiency；In air liquefaction process and liquid air exoergic process, the heat exchange of air is all in high work
Make to carry out under pressure；At this point, the specific heat at constant pressure of air hardly follows temperature change and changes, i.e., air is under high pressure
Heat transfer process close to sensible heat transfer process, therefore, the present invention in propose with heat-transfer fluid sensible heat store up cold mode recycle and
Cold energy is recycled, considers that the excellent of a variety of heat-transfer fluids lacks, the heat-transfer fluid in the present invention selects methanol and propane etc..
Embodiment 6：As shown in figure 3, liquid air production module includes drier 701, multiple compressors 7021,7023,
7025, multiple heat exchangers 7022,7024,703, low temperature turbine 704 and liquid air storage tank 705, the drier 701 pass through
Air inlet pipe is sequentially connected compressor 7021,7023,7025,7022,7024,703 low temperature turbine 704 of heat exchanger and liquid air storage
Slot 705, such as：The output end of each compressor 7021 is equipped with a heat exchanger 7022, the last one heat exchanger in air inlet pipe
703 connect liquid air storage tank 705 by low temperature turbine 704, and liquid air storage tank 705 is sequentially connected by return pipe 706 and is changed
Hot device 7022,7024,703 and drier 701, multiple heat exchangers 7022,7024,703 on return pipe are concatenated.
Embodiment 7：As shown in figure 3, liquid air production module includes drier 701, the connection of 701 input terminal of drier is outer
Boundary's pure air, output end are connected with 702 input terminal of compressor set, and 702 output end of compressor set and the second heat exchanger 703 input
End be connected, 703 middle-end pipeline output end of the second heat exchanger is connected with 704 input terminal of low temperature turbine, 704 output end of low temperature turbine and
Liquid air storage tank 705 is connected, and is also connected with return pipe between 703 upper end pipeline of the second heat exchanger and liquid air storage tank 705
706, and second heat exchanger, 703 lower end heat exchanging pipe can connect heat exchange with cold outer end 212 with Chargeable ship module with reality
It is pre-chilled before existing air liquefaction, the air after drier 701 is dry successively passes through compressor set 702, the second heat exchanger 703, low
After the effect of warm turbine 704, it is generated liquid part and gaseous parts, liquid part flows into liquid air reservoir 705, gaseous state portion
Divide and the second heat exchanger 703 is flowed back to by return pipe 706.
Embodiment 8：As shown in figure 3, compressor set 702 includes the first compressor 7021, the second compressor 7023 and third
Compressor 7025；It is connected with third heat exchanger 7022 between first compressor 7021 and the second compressor 7023, described
The 4th heat exchanger 7024 is connected between two compressors 7023 and third compressor 7025；The lower end pipe of 4th heat exchanger 7024
Road input terminal is connected with 703 upper end pipeline output end of the second heat exchanger, and output end and 7022 lower end pipeline of third heat exchanger input
End is connected；The 7022 lower end pipeline output end of third heat exchanger is connected to 701 input terminal of drier.
Embodiment 8：As shown in figure 4, island power supply module 8 includes charging interface 801, the charging interface input terminal 801
It is connected with 206 output end of power transmitting device that generates electricity in Chargeable ship module, output end is connected with 802 left side input terminal of central controller；
The 802 upper end input terminal of central controller is connected with 804 output end of island electricity generation system, and lower end is connected with battery 803, right
End output end is connected with 805 input terminal of gird-connected inverter, and 805 output end of gird-connected inverter is connected to island microgrid 806, when
Island electricity generation system generated energy is insufficient for user power utilization demand, and charging interface 801 connects the power generation in boat-carrying charging module
Power transmitting device 206, electric energy are transported to central controller 802, directly through gird-connected inverter 805 be delivered to island microgrid 806 to
It is subscriber's side powered, and electric power more than needed is operated through central controller 802, is stored in the stabilization that power supply is realized in battery 803
Property.
Embodiment 10：As shown in figure 4, island electricity generation system 804 includes that solar energy, wind energy, tide energy etc. can be again on island
Raw energy electricity generation system and diesel power generation system.
Embodiment 11：As shown in Figure 1, system of the invention is applied to practical operation, when mobile island of the invention
Liquid air useful load 1 × 10 in power supply system4m3When, wherein liquid air energy storage technology than energy 214Wh/kg calculate,
In operating process, to target island provide about 0.8GWh generated energy, on year-on-year basis under, about with natural gas in LNG ship under scale
2.5 times of generated energy；In addition the air liquefaction subsystem in the present invention subtracts significantly due to using cold storage and recyclable device
The energy loss in energy storage and exoergic process is lacked, the liquid air energy storage efficiency in whole system operational process is up to 70%.
It should be noted that above-mentioned is only presently preferred embodiments of the present invention, protection model not for the purpose of limiting the invention
It encloses, any combination or equivalents made on the basis of the above embodiments all belong to the scope of protection of the present invention.
Claims (9)
1. the mobile island power supply system based on liquid air energy storage technology, which is characterized in that including boat-carrying charging module, liquid
State air produces module and island power supply module, and the boat-carrying charging module is arranged on hull, and liquid air produces module
It is arranged in land, the boat-carrying charging module includes that liquid air storage tank and liquid air release energy component, is led between the two
Pipeline is crossed to be connected.
2. the mobile island power supply system based on liquid air energy storage technology as described in claim 1, which is characterized in that institute
It includes device for converting electric energy, First Heat Exchanger and cold-storage cell arrangement that the liquid air stated, which releases energy component,；
The device for converting electric energy by cryogenic pump, more release can the turbines of heat exchanger tube and multistage different pressures be connected in series, often
The input terminal of level-one turbine is equipped with one and releases energy heat exchanger tube, and the output end of afterbody turbine is connected on power generation power transmitting device；
The cold-storage cell arrangement is composed by receiving energy heat exchanger tube, control valve, circulating pump and cold-storage unit, the cold-storage
Unit is connected in parallel on the both ends for receiving energy heat exchanger tube by two control valves, and one end of cold-storage unit is connected by circulating pump with cold outer
End, the other end of cold-storage unit is connected by circulating pump receives energy heat exchanger tube；
The First Heat Exchanger is closed shell, receives energy heat exchanger tube and Duo Gen releases energy heat exchanger tube and is installed in First Heat Exchanger
On.
3. the mobile island power supply system based on liquid air energy storage technology as claimed in claim 2, which is characterized in that institute
The both ends for stating First Heat Exchanger are respectively equipped with air inlet valve and air outlet slit valve.
4. the mobile island power supply system based on liquid air energy storage technology as claimed in claim 2, which is characterized in that institute
The liquid air stated release can release in component can the quantity of heat exchanger tube and turbine be no less than one, each turbine passes through connection
On power generation power transmitting device.
5. the mobile island power supply system based on liquid air energy storage technology as claimed in claim 2, which is characterized in that institute
That states is connected on cold-storage unit with cold outer end by circulation line.
6. the mobile island power supply system based on liquid air energy storage technology as claimed in claim 2, which is characterized in that institute
The heat-transfer fluid in cold-storage unit stated is methanol or propane.
7. the mobile island power supply system based on liquid air energy storage technology as described in claim 1, which is characterized in that institute
The liquid air production module stated includes drier, multiple compressors, multiple heat exchangers, low temperature turbine and liquid air storage tank,
The drier is sequentially connected compressor by air inlet pipe, heat exchanger, low temperature turbine and liquid air storage tank, every in air inlet pipe
The output end of a compressor is equipped with a heat exchanger, the last one heat exchanger connects liquid air storage tank by low temperature turbine,
Liquid air storage tank is sequentially connected heat exchanger and drier by return pipe, and multiple heat exchangers on return pipe are concatenated.
8. the mobile island power supply system based on liquid air energy storage technology as claimed in claim 5, which is characterized in that institute
The number of compressor and heat exchanger is no less than one in the liquid air production module stated.
9. the mobile island power supply system based on liquid air energy storage technology as described in claim 1, which is characterized in that institute
The island power supply module stated includes charging interface, central controller, battery and island electricity generation system, the charging interface,
Island electricity generation system, battery are connected in parallel on central controller, and the central controller is connected to by gird-connected inverter
In island microgrid.
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| CN201810541225.6A CN108869215A (en) | 2018-05-30 | 2018-05-30 | Mobile island power supply system based on liquid air energy storage technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810541225.6A CN108869215A (en) | 2018-05-30 | 2018-05-30 | Mobile island power supply system based on liquid air energy storage technology |
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| JP2003336573A (en) * | 2002-05-17 | 2003-11-28 | Yutaka Maeda | Novel heat cycle and composite power generation system and device thereof |
| CN102758748A (en) * | 2012-07-29 | 2012-10-31 | 中国科学院工程热物理研究所 | High-pressure liquid air energy storage/release system |
| CN103595044A (en) * | 2013-11-27 | 2014-02-19 | 国家电网公司 | Diesel power generation system applied to isolated sea island micro-grid |
| CN103993920A (en) * | 2014-05-27 | 2014-08-20 | 鄂尔多斯大规模储能技术研究所 | Island energy supply system with cold energy |
| CN106437874A (en) * | 2016-08-30 | 2017-02-22 | 南京工业大学 | Novel liquid air energy storage system using phase change energy storage |
-
2018
- 2018-05-30 CN CN201810541225.6A patent/CN108869215A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336573A (en) * | 2002-05-17 | 2003-11-28 | Yutaka Maeda | Novel heat cycle and composite power generation system and device thereof |
| CN102758748A (en) * | 2012-07-29 | 2012-10-31 | 中国科学院工程热物理研究所 | High-pressure liquid air energy storage/release system |
| CN103595044A (en) * | 2013-11-27 | 2014-02-19 | 国家电网公司 | Diesel power generation system applied to isolated sea island micro-grid |
| CN103993920A (en) * | 2014-05-27 | 2014-08-20 | 鄂尔多斯大规模储能技术研究所 | Island energy supply system with cold energy |
| CN106437874A (en) * | 2016-08-30 | 2017-02-22 | 南京工业大学 | Novel liquid air energy storage system using phase change energy storage |
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