CN108374745A - A kind of supercharging air formula high pressure water energy storing device and method - Google Patents
A kind of supercharging air formula high pressure water energy storing device and method Download PDFInfo
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- CN108374745A CN108374745A CN201810334118.6A CN201810334118A CN108374745A CN 108374745 A CN108374745 A CN 108374745A CN 201810334118 A CN201810334118 A CN 201810334118A CN 108374745 A CN108374745 A CN 108374745A
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- water
- control valve
- supercharging air
- high building
- water storage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 38
- 238000005086 pumping Methods 0.000 claims abstract description 19
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 238000010248 power generation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 11
- 230000001172 regenerating effect Effects 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention, which carries, is related to energy storage technologies field,A kind of supercharging air formula high pressure water energy storing device and method are specifically provided,Including water storage high building,Water inlet control valve door,Outlet water control valve door,Pumping equipment,Supercharging air control valve,Pneumatic plant,Drain tap,Maintenance emptying valve,Hydro-generating Unit and power grid,The top of the water storage high building is separately connected supercharging air control valve and drain tap,The lower part of water storage high building is separately connected water inlet control valve door and outlet water control valve door,The bottom connection maintenance emptying valve of water storage high building,Water inlet control valve door connects pumping equipment,Outlet water control valve door connects hydro-generating Unit,Supercharging air control valve connects pneumatic plant,Pumping equipment,Hydro-generating Unit and pneumatic plant are all connected with power grid,The present invention draws the advantages of water-storage and compressed-air energy storage,Overcome the shortcomings of them,Operation is convenient,Service life is long,Energy storage density is high,It is environmentally protective,Construction period is short,It is quick.
Description
Technical field
The present invention relates to energy storage technologies field, belong to a kind of supercharging air formula high pressure water energy storing device and method.
Background technology
Currently, the main composition part of China's energy-consuming is fossil fuel, since fossil fuel is not nexhaustible, takes
Not to the utmost, and the burning of fossil fuel brings huge pollution to environment, therefore develops the regenerative resource (wind of low-carbon environment-friendly
Power, solar energy etc.) seem extremely important.Power generation based on regenerative resource is limited by natural conditions, has intermittence
And randomness.If illumination condition has unpredictability in photovoltaic generation, output is unstable, and the output of photovoltaic generation with it is negative
Load demand is misaligned, and the price difference that can not efficiently use power grid creates maximum economic benefit.Therefore, renewable energy power generation is big
Scale development needs the support of energy storage technology.
Common energy storage technology includes mainly：Water-storage, compressed-air energy storage, accumulator (lead-acid battery, ni-Cd electricity
Pond, sodium-sulphur battery etc.), flywheel energy storage, super capacitor energy-storage, superconducting energy storage etc..
Water-storage technology is current best energy storage technology, it utilizes remaining capacity when electric load low ebb, by taking out
The water of lower storage reservoir is extracted into upper storage reservoir by the work of water accumulation of energy unit, by the potential energy that power storage is water, when peak of power consumption, by upper water
The water in library drives the hydraulic turbine for generating electricity.Advantage is that service life is long, efficient, but its construction needs special geographical position
Set, it is necessary to meet two reservoirs, and vertical range will also be met the requirements, therefore its addressing is extremely difficult, its construction by
Many limitations.
Invention content
The purpose of the present invention is drawing water-storage and compressed-air energy storage, overcomes the shortcomings of them, provide one
Kind operation is convenient, builds a kind of feasible supercharging air formula high pressure water energy storing device and method.
For this purpose, the present invention provides a kind of supercharging air formula high pressure water energy storing device and method, including water storage high building, into water management
Valve, outlet water control valve door, pumping equipment, supercharging air control valve, pneumatic plant, drain tap, maintenance blow valve
Door, hydro-generating Unit and power grid, the top of the water storage high building are separately connected supercharging air control valve and drain tap,
The lower part of water storage high building is separately connected water inlet control valve door and outlet water control valve door, the bottom connection maintenance blow valve of water storage high building
Door, water inlet control valve door connect pumping equipment, and outlet water control valve door connects hydro-generating Unit, the connection of supercharging air control valve
Pneumatic plant, pumping equipment, hydro-generating Unit and pneumatic plant are all connected with power grid.
The top of the water storage high building is equipped with upper limit water level line, and the lower part of water storage high building is equipped with lower limit water level line and water storage
The water level of high building cannot be below lower limit water level.
The supercharging air control valve is Unidirectional air inlet valve.
Further include safety exhaust valve, safety exhaust valve connects the top of water storage high building.
A kind of supercharging air formula high pressure water energy storage method, including energy storage stage and power generating stage, in the energy storage stage, waterpower hair
Motor group drives pumping equipment to inject the water at water source in water storage high building using the electric energy of power grid low ebb phase, then is set by compressed air
Standby inject pressurized gas into water storage high building increases to design pressure to the internal pressure of water storage high building；In power generating stage, water storage high building
Pressure water by outlet water control valve door release drive hydro-generating Unit operating power generation.
The supercharging air in the energy storage stage includes pre- supercharging and rear supercharging.
The maximum internal pressure of the water storage high building is less than limit value.
Beneficial effects of the present invention：This supercharging air formula high pressure water energy storing device provided by the invention and method, can be with
It build river bank, the seashore at sufficient water source in, can also build on reservoir, lake periphery, flood damage without tradition reservoir construction
It becomes estranged immigration relocation, without addressing requirement harsh on Construction of Pumped Storage Power Station, it is only needed in a fontinal fritter
Ground is built, this supercharging air formula high pressure water energy storing device and method, remaining capacity or wind when with electric load low ebb
Water is pumped into device and carries out supercharging air, completes energy storage by the electricity of electricity, photovoltaic plant；It, will be high in electric load peak period
Water is pressed to release power generation, energy is released in completion, and carrying cost is low, and energy density, service life are suitable with water-storage, even more excellent, are
A kind of novel physics stored energy form.
Description of the drawings
The present invention is described in further details below with reference to attached drawing.
Fig. 1 is the structural schematic diagram of supercharging air formula high pressure water energy storing device；
Fig. 2 is the principle schematic of supercharging air formula high pressure water energy storing device and method.
Reference sign：1, water storage high building；2, water inlet control valve door；3, outlet water control valve door；4, pumping equipment；5, empty
Gas pressurization control valve；6, pneumatic plant；7, safety exhaust valve；8, drain tap；9, maintenance emptying valve；10, water
Power generator group；11, power grid；12, upper limit water level line；13, lower limit water level line.
Specific implementation mode
Embodiment 1：
As depicted in figs. 1 and 2, a kind of supercharging air formula high pressure water energy storing device and method, it is characterised in that：Including water storage high building
1, water inlet control valve door 2, outlet water control valve door 3, pumping equipment 4, supercharging air control valve 5, pneumatic plant 6, exhaust
Valve 8, maintenance emptying valve 9, hydro-generating Unit 10 and power grid 11, the top of the water storage high building 1 are separately connected air
The lower part of pressurization control valve 5 and drain tap 8, water storage high building 1 is separately connected water inlet control valve door 2 and outlet water control valve door 3,
The bottom connection maintenance emptying valve 9 of water storage high building 1, water inlet control valve door 2 connect pumping equipment 4, and outlet water control valve door 3 connects
Hydro-generating Unit 10, supercharging air control valve 5 connect pneumatic plant 6, pumping equipment 4,10 and of hydro-generating Unit
Pneumatic plant 6 is all connected with power grid 11.Water storage high building 1 is arranged on the water storage building on ground, generally uses reinforced concrete
Soil and steel lining composite construction can also be the structure or composite construction of the other materials for meeting carrying；Water inlet control valve door 2 is
Connect pumping equipment control valve, draw water energy storage when open；Outlet water control valve door 3 is the control valve for connecting hydro-generating Unit
Door, water outlet are opened when releasing energy；Supercharging air control valve 5 is to connect the control valve of pneumatic plant 6, and when supercharging air opens
It opens, when needing discharge part pressurization gas to be run with profit, opens drain tap 8；Maintenance emptying valve 9：It is examined in water storage high building
When repairing, the water body that maintenance emptying valve 9 is vented water storage high building 1 is opened, with the smooth development of work convenient to overhaul.
Further, the top of the water storage high building 1 is equipped with upper limit water level line 12, and the lower part of water storage high building 1 is equipped with down
The water level of bit line 13 and water storage high building 1 of restricting water supply cannot be below lower limit water level line 13.Water storage high building stores up in the 1 above space of upper limit water level
There is pressurization gas, water body only can be just vented when water storage high building 1 overhauls, other times high pressure water water level cannot be below lower limit
Water level, to keep pressurization gas to be not leaked.
Further, the supercharging air control valve 5 is Unidirectional air inlet valve, ensures pneumatic plant 6 to storage
Water tower building 1 rapidly inputs compressed gas, and internal pressure is risen to design pressure.
Further, further include safety exhaust valve 7, water storage is worked as on the top of the connection water storage of safety exhaust valve 7 high building 1
When 1 internal pressure of high building reaches design limit pressure, safety exhaust valve 7 automatically turns on exhaust decompression, it is ensured that 1 structure of water storage high building is pacified
Entirely.
Embodiment 2：
As depicted in figs. 1 and 2, on the basis of embodiment 1, a kind of supercharging air formula high pressure water energy storage method, including energy storage rank
Section and power generating stage drive pumping equipment 4 that the water at water source is injected water storage in the energy storage stage using the electric energy of 11 low ebb phase of power grid
In high building 1, then the internal pressure in water storage high building 1 to water storage high building 1 is injected pressurized gas by pneumatic plant 6 and increases to design pressure
Power；Pressure water in power generating stage, water storage high building 1 is released by outlet water control valve door 3 drives the operating hair of hydro-generating Unit 10
Electricity；The supercharging air in the energy storage stage includes pre- supercharging and rear supercharging；It should be matched according to design requirement and the present apparatus
Equipment situation, select optimal most economical pressure operation operating mode, to carry out detailed analysis calculating, be selected after technology and economy comparison
With.
In the energy storage stage, when selecting pre- pressurized air supercharging mode, 1 water level of water storage high building should be at lower limit water level or with
On, compressed gas is inputted by pneumatic plant 6 before pumping equipment 4 draws water beginning, starts storage of drawing water after reaching predetermined pressure
It can operation.When water level rises to upper limit water level, energy storage operation of drawing water is completed, and the above air of water level is compressed into highest design pressure
Power.
In the energy storage stage, after selection when pressurized air supercharging mode, 1, water storage high building water should be at lower limit water level or with
On, while pumping equipment 4 starts to draw water energy storage operation, the drain tap 8 on top is opened, to release sky when water level rises
Atmospheric pressure resistance.When water level rises to upper limit water level, stop pumping operation, closes drain tap 8, and energy storage operation of drawing water is completed,
The compressed gas that supercharging air control valve 5 inputs rated pressure is opened, so that the above air pressure of upper limit water level is increased to highest and sets
Count pressure.
In power generating stage, the high pressure water that will be stored in water storage high building 1 is released by outlet water control valve door 3, drives waterpower
The operating power generation of generating set 10, is used with the power grid for meeting electric load peak period.
This supercharging air formula high pressure water energy storing device and the stored energy capacitance of method change with the variation of moisture storage capacity, but do not surpass
Cross maximum volume.When energy storage, the stored energy capacitance of water storage high building 1 increases with moisture storage capacity and is increased；When release can generate electricity when, water storage tower
The stored energy capacitance in building 1 reduces with moisture storage capacity and is reduced.Meanwhile stored energy capacitance is also directly proportional with the pressure value of top pressurization gas,
The big stored energy capacitance of pressure is also high, but otherwise the maximum internal pressure power of water storage high building 1 can destroy water storage high building 1 no more than limit value
Structure.Therefore, when the maximum internal pressure power of water storage high building 1 reaches limit value, the safety exhaust valve 7 on top can automatically open,
Exhaust decompression.
Water storage high building 1 is the core of this energy storage device, should be led to according to design pressure, geological conditions and requirement
It crosses scientific algorithm and determines build, material and the method for operation, this calculation is the prior art, is not illustrated herein.
The present invention has operation convenient, and service life is long, and energy storage density is high, and environmentally protective, the construction period is short, quick
Technical characterstic, flexible arrangement of the present invention, construction is more convenient, and energy storage density is high, has good application prospect, is not having landform item
The place of part Pumped Storage Power Station Construction is especially built in the place for needing construction energy-accumulating power station for consumption new energy
Seashore, island have good comparative advantages, the present invention that will have prodigious development space, application prospect the energy storage of offshore wind farm
It is wide, it can do the following：
1) peak load shifting：Electric energy when can be by low power consumption is stored in this supercharging air formula high pressure water energy storing device and method
In, it is discharged in peak of power consumption, realizes the effect of peak load shifting.
2) load-side management：The most of provinces and cities' commercial power in the whole nation implements Peak-valley TOU power price system, peak period now
Electricity price is 3 times of low-valley interval electricity price or so, therefore electric energy when storage low ebb, power generation is discharged in electricity consumption peak value, in this way
It can make maximizing the benefits, while reduce the operation cost of power supply system.
3) backup power supply：It can be as the power supply guarantee of enterprise-essential electrical equipment or the backup power supply of emergency.It passes
The backup power supply of system generally uses diesel engine and accumulator, and the startup of diesel engine needs certain time, and equipment be easy aging, can
Maintainability is poor；The capacity of battery is limited, cannot achieve prolonged power supply；This supercharging air formula high pressure water energy storing device and method
Time is short, energy density is high, is capable of the power supply of Fast Persistence with starting, and it is easy to maintenance, service life is long, only need regular
Whether detection high pressure water moisture storage capacity disclosure satisfy that requirement.
4) it is applied to regenerative resource：The regenerative resources such as wind-power electricity generation, solar power generation can be formed stable confession
Electricity.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (7)
1. a kind of supercharging air formula high pressure water energy storing device, it is characterised in that：Including water storage high building（1）, water inlet control valve door
（2）, outlet water control valve door（3）, pumping equipment（4）, supercharging air control valve（5）, pneumatic plant（6）, drain tap
（8）, maintenance emptying valve（9）, hydro-generating Unit（10）And power grid（11）, the water storage high building（1）Top connect respectively
Connect supercharging air control valve（5）And drain tap（8）, water storage high building（1）Lower part be separately connected water inlet control valve door（2）With
Outlet water control valve door（3）, water storage high building（1）Bottom connection maintenance emptying valve（9）, water inlet control valve door（2）Connection is drawn water
Equipment（4）, outlet water control valve door（3）Connect hydro-generating Unit（10）, supercharging air control valve（5）Connection compressed air is set
It is standby（6）, pumping equipment（4）, hydro-generating Unit（10）And pneumatic plant（6）It is all connected with power grid（11）.
2. a kind of supercharging air formula high pressure water energy storing device according to claim 1, it is characterised in that：The water storage tower
Building（1）Top be equipped with upper limit water level line（12）, water storage high building（1）Lower part be equipped with lower limit water level line（13）And water storage high building
（1）Water level cannot be below lower limit water level line（12）.
3. a kind of supercharging air formula high pressure water energy storing device according to claim 2, it is characterised in that：The air increases
Pressure control valve door（5）For Unidirectional air inlet valve.
4. a kind of supercharging air formula high pressure water energy storing device according to claim 3, it is characterised in that：Further include arranging safely
Air valve（7）, safety exhaust valve（7）Connect water storage high building（1）Top.
5. a kind of supercharging air formula high pressure water energy storage method, it is characterised in that：Including energy storage stage and power generating stage, in energy storage rank
Section, hydro-generating Unit（10）Utilize power grid（11）The electric energy of low ebb phase drives pumping equipment（4）The water at water source is injected into water storage
High building（1）In, then by pneumatic plant（6）Inject pressurized gas into water storage high building（1）In to water storage high building（1）Internal pressure increase
To design pressure；In power generating stage, water storage high building（1）In pressure water by outlet water control valve door（3）It releases and drives hydroelectric generation
Unit（10）Operating power generation.
6. a kind of supercharging air formula high pressure water energy storage method according to claim 5, it is characterised in that：The energy storage rank
The supercharging air of section includes pre- supercharging and rear supercharging.
7. a kind of supercharging air formula high pressure water energy storage method according to claim 6, it is characterised in that：The water storage tower
Building（1）Maximum internal pressure be less than limit value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810334118.6A CN108374745A (en) | 2018-04-14 | 2018-04-14 | A kind of supercharging air formula high pressure water energy storing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334118.6A CN108374745A (en) | 2018-04-14 | 2018-04-14 | A kind of supercharging air formula high pressure water energy storing device and method |
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| CN108374745A true CN108374745A (en) | 2018-08-07 |
Family
ID=63032339
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876701A (en) * | 2022-03-21 | 2022-08-09 | 西安交通大学 | Water pumping compressed nitrogen energy storage system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04121424A (en) * | 1990-09-12 | 1992-04-22 | Hitachi Ltd | Air storage power generation method and air storage power generation plant |
| CN102619668A (en) * | 2012-04-06 | 2012-08-01 | 王焕然 | Constant-pressure water-gas compatible cabin power energy storage system |
| CN104454304A (en) * | 2014-10-31 | 2015-03-25 | 清华大学 | Pumped storage power generation system and method based on steam and air pressurization |
| DE102014013597A1 (en) * | 2014-09-13 | 2016-03-17 | Michael Krupka | Gravitational force transducer |
| CN208474040U (en) * | 2018-04-14 | 2019-02-05 | 中国电建集团西北勘测设计研究院有限公司 | A kind of supercharging air formula high pressure water energy storing device |
-
2018
- 2018-04-14 CN CN201810334118.6A patent/CN108374745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04121424A (en) * | 1990-09-12 | 1992-04-22 | Hitachi Ltd | Air storage power generation method and air storage power generation plant |
| CN102619668A (en) * | 2012-04-06 | 2012-08-01 | 王焕然 | Constant-pressure water-gas compatible cabin power energy storage system |
| DE102014013597A1 (en) * | 2014-09-13 | 2016-03-17 | Michael Krupka | Gravitational force transducer |
| CN104454304A (en) * | 2014-10-31 | 2015-03-25 | 清华大学 | Pumped storage power generation system and method based on steam and air pressurization |
| CN208474040U (en) * | 2018-04-14 | 2019-02-05 | 中国电建集团西北勘测设计研究院有限公司 | A kind of supercharging air formula high pressure water energy storing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876701A (en) * | 2022-03-21 | 2022-08-09 | 西安交通大学 | Water pumping compressed nitrogen energy storage system and control method |
| CN114876701B (en) * | 2022-03-21 | 2023-08-18 | 西安交通大学 | Water pumping compressed nitrogen energy storage system and control method |
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