CN108507228A - A kind of electric energy alternative and cooling heating and power generation system for supply of cooling, heating and electrical powers - Google Patents
A kind of electric energy alternative and cooling heating and power generation system for supply of cooling, heating and electrical powers Download PDFInfo
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- CN108507228A CN108507228A CN201710113461.3A CN201710113461A CN108507228A CN 108507228 A CN108507228 A CN 108507228A CN 201710113461 A CN201710113461 A CN 201710113461A CN 108507228 A CN108507228 A CN 108507228A
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- air
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- power generation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The present invention discloses a kind of electric energy alternative and cooling heating and power generation system for supply of cooling, heating and electrical powers, belongs to electric energy substitute technology field.The electric energy alternative for supply of cooling, heating and electrical powers of the present invention, for surrounding air to be purified to the thermal energy for compressing and storing compression generation for freezing and/or heating；Then the pure air of compression is liquefied and stores liquid pure air；Make again liquid pure air evaporation, expansion power generation, and by evaporation and expansion generate it is colod-application in liquefaction and refrigeration.The present invention solves the problems, such as that existing electric cooling and warming technology increases power grid peak load while cooling and warming, at the same had both cleaning heat, the function of cooling and peak load regulation network.
Description
Technical field
The invention belongs to electric energy substitute technology fields, are related to the electric energy alternative of supply of cooling, heating and electrical powers.
Background technology
With the arriving of warm season, China mostly meets with lasting haze weather, and prevention and control of air pollution situation is extremely severe,
Under this background, air administers the focus for having become the whole society.Country is also continually strengthening various laws and regulations and measure, increases
Input of the related industry in terms of subtracting the anti-haze of haze, so as to improve atmosphere pollution.And it uses electric energy to substitute and dissipates coal combustion, fuel oil etc.
It uses, it is intended to improve electric coal proportion, control coal aggregate consumption, reduce the approach that atmosphere pollution is maximally efficient.
Currently, the common use environment that the electric energy as energy-consuming terminal substitutes has electric heating, electricity refrigeration, ground source heat
Pump, industrial electric boiler, agricultural electric irrigation and drainage, electric vehicle, the ship that reaches port use bank electricity etc..
As populous nation, China's energy-consuming demand is big, and energy consumption structure is not very reasonable, and power grid peak-valley difference is high
The national average level in developed country and General development.In recent years, with national economic development, living standards of the people carry
Height, the peak regulation task and pressure getting worse that power grid faces.To ensure that safe and stable, the economical operation of power grid, Generation Side are necessary
Take measures to regulate rush-hour traffic.And Generation Side peak modulation capacity is limited, is to sacrifice generating set service life, energy utilization rate, with high investment
Deng for cost.In order to realize that the reasonable disposition of resource, electricity consumption side must also take measures to regulate rush-hour traffic, peak load shifting is carried out.
China's power grid has become largest global wind power integration, wind-powered electricity generation and the most fast electricity of solar power generation growth rate
Net.However renewable energy power generation have the characteristics that fluctuation, intermittence and can not Accurate Prediction, scale accesses to existing
There is power grid to bring huge challenge.There are the problem of mainly by area power grid consumption off-capacity influenced, have when abandoning landscape condition
Occur；With the increase of the fluctuations power supply such as wind-powered electricity generation, peak load regulation network scarce capacity problem is on the rise.
In the scheme that existing electric energy substitutes, electric heating and electricity refrigeration are to contact the most close two with people's Working Life
Kind situation.The basic 24 hour operation of electric heating equipment increases the whole day load of power grid, it is clear that the peak load of power grid is will increase,
It is less economical；Electric refrigeration equipment work is generally in the higher electricity consumption peak period of day temperature, this increases power grid instead
Peak load.Therefore increase power grid peak load cannot be simultaneous simultaneously while heating refrigeration for existing electric heating electricity Refrigeration Technique
Have cleaning heating, cooling and peak load regulation network function.
Invention content
Therefore, the technical problem to be solved in the present invention is that the electric heating technology of electricity refrigeration in the prior art is overcome to freeze
While heating increase power grid peak load, cannot have both simultaneously cleaning heating, cooling and peak load regulation network function defect,
To provide a kind of electric energy alternative and cool and thermal power for supply of cooling, heating and electrical powers for system.
For this purpose, the present invention provides the following technical solutions：
Surrounding air is purified the heat compressed and stored compression and generate by a kind of electric energy alternative for supply of cooling, heating and electrical powers
It can be used to freeze and/or heat.
The pure air of compression is liquefied and stores liquid pure air；
Then make the evaporation of liquefaction pure air, expansion power generation.
By evaporation and expansion generate it is colod-application in liquefaction and refrigeration.
The pure air of purifying and the normal temperature air after expansion power generation are used for as fresh air system or pure air supply dress
Offer pure air is provided..
The purifying refers to the particle for the PM ＞ 1.0 being filtered to remove in surrounding air, CO2, H2O。
1 grade or 1 grade of described boil down to or more, the pure air exported after compression are normal temperature air.
It is described to be expanded to 1 grade or 1 grade or more.
The liquid pure air that will be stored also is needed to be pressurized before making the evaporation of liquefaction pure air, expansion power generation.
Include the following steps：
(1) surrounding air is purified and is compressed, and store the thermal energy generated during compressed air；
(2) it liquefies and stores the compressed pure air of purifying, or the part for purifying compressed pure air is used
In providing pure air for fresh air system or clean air devices., another part liquefied and stored；
(3) boil-off gas turns to high pressure pure air after making the liquid pure air pressure-raising of storage, and will evaporate gasification
The cold energy of middle generation is stored for liquefying；
(4) so that high pressure pure air is expanded and generate electricity, and by the cold energy generated in expansion process for freezing, it will be expanded
Normal pressure pure air afterwards is used to provide pure air for fresh air system or clean air devices.
Air 80-200 DEG C of temperature rise after compression；Air pressure reaches 70-100bar before liquefaction；After storage liquefaction
The pressure of air is 1bar-15ba, and temperature is -160 DEG C to -196 DEG C；The heat generated in compression process is in 50 DEG C of -180 DEG C of temperature
The lower storage of degree.
Pressure-raising in step (3) refers to the height that the pressure of low temperature liquid air is promoted to 600bar-150bar from normal pressure
Pressure stores at a temperature of what is generated in gasification be cooler than -100 DEG C to -160 DEG C；High pressure pure air temperature after gasification is 5~
10℃。
Step (4) expansion process air temperature is -30~-60 DEG C, and -30~-60 DEG C of Cryogenic air is changed by environment
The return water of heat or heating system exchanges heat, and it is 10 DEG C~40 DEG C to make air themperature.
The gas of expanding machine final stage discharge is normal pressure and temperature pure air, can be directly accessed clean air devices.
A kind of cooling heating and power generation system includes purifying compression set in order, and liquefy storage device, evaporation, expansion power generation
Device；
The purifying compression set is also sequentially communicated heat-storing device, refrigerating plant and/or heating combined equipment；
The evaporation, expansion power generation device are also respectively communicated with cold-storage device and refrigerating plant.
Further include clean air devices, the air output end and/or evaporation, expansion power generation of connection purifying compression set
The air output end of device.
Further include pressure-raising device, before being set to the evaporation, expansion power generation device, is additionally provided with domestic hot-water's heating plant, even
Lead to the water return pipeline of the refrigerating plant.
Further include the air cleaning unit being set to before liquefying plant input terminal, for filtering out moisture and CO in air2。
The purifying compression set is 1 grade or 1 grade or more, and the expansion device is 1 grade or 1 grade or more, when being 1 grade or more
When, be equipped between grade take heat to environment take thermal to participate in the reheating of Cryogenic air between grade.
When the refrigerating plant is connected with the heat-storing device, in the refrigerating plant and the heat-storing device
Between be additionally provided with heat pump unit for converting the thermal energy stored in the heat-storing device to cold energy.
The present invention has the following advantages that compared with prior art：
1, electricity refrigeration electricity in the prior art is solved provided by the present invention for the electric energy alternative of supply of cooling, heating and electrical powers
Heating technology increases power grid peak load while cooling and warming cannot have both cleaning heating, cooling and peak load regulation network simultaneously
Function the problem of.
2, it can be realized by the storage and release of electric energy provided by the present invention for the electric energy alternative of supply of cooling, heating and electrical powers
The peak load shifting of user side electricity consumption, while generation of electricity by new energy can also be used for compressed air power source, promote new energy electricity
The method of the large-scale grid connection of power.
3, the electric energy alternative of supply of cooling, heating and electrical powers provided by the invention utilize paddy electricity storage energy, realize it is cold, warm, electric,
The joint supply of clean air, while being also beneficial to the peak load shifting of power grid and promoting new-energy grid-connected.
4, the preferred heating of cooling heating and power generation system provided by the invention is in use, heating water return to can be used to heat to be expanded
Cryogenic gas further utilizes waste heat environmentally protective.
5, the heat of the preferred heat-storing device storage of cooling heating and power generation system provided by the invention is for the waste heat after use of freezing
Return water be used for heating domestic hot water, energy conservation and environmental protection is green safe.
6, cooling heating and power generation system provided by the invention is can also be achieved while ensureing power generation for pure air, heating,
And/or refrigeration and domestic hot-water demand.
7, cooling heating and power generation system provided by the invention can realize garden, cell for pure air, refrigeration, heating and life
The primary demand of hot water living, and there is certain economic benefit.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is the schematic diagram of a preferred embodiment of the present invention；
Fig. 2 is the schematic diagram of another preferred embodiment of the present invention；
Fig. 3 is the schematic diagram of another preferred embodiment of the present invention；
Fig. 4 is the schematic diagram of another preferred embodiment of the present invention；
Attached drawing mark is as follows：
1- purifies compression set, 2- liquefaction storage devices, 3- evaporations, expansion power generation device, 4- heat-storing devices, 5- refrigeration dresses
It sets, 6- heating combined equipments, 7- cold-storage devices, 8- clean air devices, 9- pressure-raising devices, 10- domestic hot-water's heating plants,
11- air cleaning units, 12- take thermal.
Specific implementation mode
It is to preferably further understand the present invention to provide following embodiments, it is not limited to the best embodiment party
Formula is not construed as limiting present disclosure and protection domain, anyone under the inspiration of the present invention or by the present invention and its
The feature of his prior art be combined and obtain it is any with the present invention it is same or similar as product, all fall within the present invention
Within protection domain.
Specific experiment step or condition person are not specified in embodiment, according to routine experiment described in document in the art
The operation of step or condition can carry out.Reagents or instruments used without specified manufacturer, being can be by acquisition purchased in market
Conventional reagent product.
Embodiment supports each technical solution limited in claims.
Embodiment 1.
The present embodiment provides a kind of systems of supply of cooling, heating and electrical powers, and as shown in Figs 1-4, the system of the supply of cooling, heating and electrical powers is by pressing
Sequence includes purifying compression set 1, and liquefy storage device 23, evaporation, expansion power generation device；
The purifying compression set 1 is also sequentially communicated heat-storing device 4, refrigerating plant 5 and/or heating combined equipment 6；
The evaporation, expansion power generation device 3 are also respectively communicated with cold-storage device 7 and refrigerating plant 5.
Further include clean air devices, the air output end and/or evaporation, expansion power generation of connection purifying compression set
The air output end of device.
Further include pressure-raising device 9, before being set to the evaporation, expansion power generation device 3, is additionally provided with domestic hot-water's heating plant
10, it is connected to the water return pipeline of the refrigerating plant 5.
Further include the air cleaning unit 11 being set to before liquefaction 2 input terminal of storage device, for filtering out the moisture in air
And CO2。
The purifying compression set is 1 grade or 1 grade or more, and the expansion device is 1 grade or 1 grade or more, when being 1 grade or more
When, be equipped between grade take heat to environment take thermal to participate in the reheating of Cryogenic air between grade.
When the refrigerating plant 5 is connected with the heat-storing device 4, in the refrigerating plant 5 and the heat accumulation
Heat pump unit is additionally provided between device 4 for converting the thermal energy stored in the heat-storing device 4 to cold energy.
Embodiment 2.
The present embodiment is using heating for pure air power generation mode：
Suction port of compressor is pure air after filtering, and filter understands the impurity of PM1.0 or more in filtering environmental air.
Air temperature rise (80-200 DEG C) after compression is cooled to after room temperature and continues to press into next stage compressor for (20-30 DEG C)
Contracting.Normal temperature air can filter out CO through over-molecular sieve air purifier in compression2And H2O.Into before liquefying plant, air pressure will
Between reaching 70-100bar, temperature is room temperature.Partial air expands cooling in liquefying plant, in liquefaction system and compressor
Between recycle.The cooled liquefaction of another part air, the air after liquefaction are stored in fluid reservoir that (pressure store 1bar is extremely
Between 15bar, between -160 DEG C to -196 DEG C of storage temperature.) in compression process compressor generate hot cooled medium band
Go out, and be stored in heat reservoir, heat accumulation temperature is between 50 DEG C to 180 DEG C.
The hot water temperature of heat reservoir storage is higher than municipal administration heating coolant-temperature gage (80 DEG C or so), therefore the heating with bigger
Power.The heat of the section store enters heating system heating through heat exchanger.Return water temperature after heating is 40 DEG C or so.
When expansion power generation, the pressure of low temperature liquid air is promoted to high pressure (600bar-150bar) by cyropump from normal pressure,
And enters evaporator and gasify.Generated in gasification it is cold be stored in cold accumulation system, cold-storage temperature is at -100 DEG C to -160 DEG C
Between, which can supply when liquefaction system is run into liquefying plant, be used for the cooling liquid of air.Evaporator goes out
The high pressure pure air temperature come is slightly below room temperature (10 DEG C or so).The partial high pressure air enters multiple expansion engine progress later
Expansion work, expansion process air temperature reduce (between -30 to -60 DEG C, can adjust on demand).Cryogenic air can be by changing
Hot device absorbs heat from environment, while also can absorb heat by the return water of heating system, empty before entering next stage expanding machine
Temperature degree can restore to room temperature (between 10 DEG C -40 DEG C).The gas of expanding machine final stage discharge is normal pressure and temperature air, and the part is empty
Gas is directly accessed clean air devices.
Embodiment 3.
The present embodiment is using refrigeration for pure air domestic hot-water supply power generation mode：
In this operating mode, compress and liquefy system and expansion power generation system parameter and operation participate in heating+confession
It is essentially identical under pure air+power generation mode.
The difference lies in that the air themperature after being expanded between expanding machine grade drops between -30 to -60 DEG C, the part low temperature
Air can exchange heat with the secondary return water of central air-conditioning, and the cold energy of generation, which is sent into air-conditioning system, participates in refrigeration.This partial air is extensive
Continue to expand into next stage after multiple room temperature, participates in power generation.
In cooling mode, the high-temperature water in heat reservoir (130-180 DEG C) will enter single-action or the economic benefits and social benefits of system configuration
Lithium bromide heat pump unit is freezed.Hot water temperature after lithium bromide chiller utilizes is 70-90 DEG C, the heat contained by the part hot water
Amount will enter domestic hot-water's pipe network by heat exchanger, to provide domestic hot-water.
Experimental example
A practical office buildings is taken, which is averaged electric load about 2MW daytimes, and heat supply in winter mean heat flux is 2.5MW,
Summer is averaged cooling load as 3.1MW.According to the building burden requirement, design uses present system.
Comprehensive energy efficiency ratio is calculated generally according to following formula in this field：
Comprehensive energy efficiency ratio=(heating amount+semen donors+domestic hot-water's heating load+generated energy)/system compresses power consumption.
Heating season, system entry air mass flow 36500Nm3/ h, compressor load 9.5MW, consumes electric energy altogether
The heating load of 76MWh, storage reach 62.4MWh, can meet building demand heating demands for 24 hours.When power generation, generation load 2MW can
Meet building 14h office electricity consumption demands.By the adjustment of air filter capacity, extraction section dust-free air is excluded with expanding machine
Pure air mixing, can meet building pure air demand, supply 12000Nm3/h.Heating season, the system operation is in reality
It applies under 2 heating of example+pure air+power generation mode, removes 8% subsidiary engine power consumption, which reaches
110%.
Cooling season, the system operation is under refrigeration+pure air+domestic hot-water+power generation mode of embodiment 3.At this
Under pattern, suction port of compressor air mass flow is 34600Nm3/h, and compressor power consumption is 9.85MW, altogether power consumption 78.8MWh, storage
Heating load reach 83.78MWh.It takes part heat accumulation to supply lithium bromide chiller, refrigerating capacity about 23.1MWh can be generated, expansion unit is swollen
Swollen refrigeration work consumption about 20.3MWh, amounts to 43.4MW refrigerating capacitys, which meets building refrigeration demand.After heat pump utilizes, storage
Hot water temperature in hot systems is down to 90 DEG C, and the heat which includes can enter domestic water pipe network through heat exchange, amount to
49MWh.System generated output is 2MW, meets building power demand.By the adjustment of air filter capacity, extraction section without
Dirt air is mixed with the pure air that expanding machine excludes, and can meet building 12000Nm3The pure air demand of/h.In refrigeration+confession
Under pure air+domestic hot-water+power generation mode, 11% subsidiary engine power consumption is removed, which reaches
140%.
After air filtration, it is more than PM1.0 particle filtration efficiencys ＞ 99%, after air purge, CO2 content ＜ 1ppm, dew point
＜ -65 DEG C.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.Therefore, every those skilled in the art are according to the present invention
Design on the basis of the prior art pass through logic analysis, reasoning either limited number of time the available technical side of experiment
Case, all should be within the protection domain determined by claims of the present invention.
Claims (14)
1. a kind of electric energy alternative for supply of cooling, heating and electrical powers, which is characterized in that purify surrounding air and compress and store pressure
The thermal energy that contracting generates is for freezing and/or heating.
2. electric energy alternative according to claim 1, which is characterized in that the pure air of compression liquefies and stores liquid
Pure air；
Then make the evaporation of liquefaction pure air, expansion power generation.
3. electric energy alternative according to claim 2, which is characterized in that by evaporation and expansion generate it is colod-application in liquefaction with
And refrigeration.
4. electric energy alternative according to claim 3, which is characterized in that collect pure air after purification and expansion hair
Pure air after electricity for fresh air system or clean air devices to provide pure air.
5. electric energy alternative according to claim 4, which is characterized in that the purifying refers to being filtered to remove in surrounding air
PM ＞ 1.0 particle, CO2And H2O。
6. electric energy alternative according to claim 5, which is characterized in that 1 grade or 1 grade of described boil down to or more, it is compressed
The pure air exported afterwards is room temperature pure air.
7. electric energy alternative according to claim 6, which is characterized in that described to be expanded to 1 grade or 1 grade or more.
8. electric energy alternative according to claim 7, which is characterized in that before making the evaporation of liquid pure air, expansion power generation
The liquid pure air that will be stored also is needed to be pressurized.
9. according to any electric energy alternatives of claim 1-8, which is characterized in that include the following steps：
(1) surrounding air is purified and is compressed, and store the thermal energy generated during compressed air；
(2) it liquefies and stores the compressed pure air of purifying, or by the part for purifying compressed pure air for being
Fresh air system or clean air devices provide pure air, and another part is liquefied and stored；
(3) boil-off gas turns to high pressure pure air after making the liquid pure air pressure-raising of storage, and will be produced during evaporation gasification
Raw cold energy is stored for liquefying；
(4) so that high pressure pure air is expanded and generate electricity, and by the cold energy generated in expansion process for freezing, after expanded
Normal pressure pure air is used to provide pure air for fresh air system or clean air devices.
10. a kind of cooling heating and power generation system, which is characterized in that include purifying compression set in order, liquefy storage device, steams
Hair, expansion power generation device；
The purifying compression set is also sequentially communicated heat-storing device, refrigerating plant and/or heating combined equipment；
The evaporation, expansion power generation device are also respectively communicated with cold-storage device and refrigerating plant.
11. the system of supply of cooling, heating and electrical powers according to claim 10, which is characterized in that further include clean air devices,
The air output end of connection purifying compression set and/or the air output end of evaporation, expansion power generation device.
12. according to the system of supply of cooling, heating and electrical powers described in claim 11, which is characterized in that further include pressure-raising device, be set to described
Before evaporation, expansion power generation device, it is additionally provided with domestic hot-water's heating plant, is connected to the water return pipeline of the refrigerating plant；
Further include the air cleaning unit being set to before liquefying plant input terminal, for filtering out moisture and CO in air2。
13. according to the system of supply of cooling, heating and electrical powers described in claim 12, which is characterized in that the purifying compression set is 1 grade or 1
Grade or more, the expansion device be 1 grade or 1 grade or more, when for 1 grade or more, between grade be equipped with to environment take heat take thermal
To participate in the reheating of Cryogenic air between grade.
14. according to the system of supply of cooling, heating and electrical powers described in claim 13, which is characterized in that when the refrigerating plant and the heat accumulation
When device is connected, it is additionally provided with heat pump unit between the refrigerating plant and the heat-storing device and is used for the heat accumulation
The thermal energy stored in device is converted into cold energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113461.3A CN108507228A (en) | 2017-02-28 | 2017-02-28 | A kind of electric energy alternative and cooling heating and power generation system for supply of cooling, heating and electrical powers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113461.3A CN108507228A (en) | 2017-02-28 | 2017-02-28 | A kind of electric energy alternative and cooling heating and power generation system for supply of cooling, heating and electrical powers |
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ID=63374244
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944773A (en) * | 2019-04-17 | 2019-06-28 | 西安交通大学 | A kind of cell composite energy supply system and method |
| CN114087847A (en) * | 2022-01-14 | 2022-02-25 | 石家庄铁道大学 | Liquid air energy storage cold-heat-electricity-air quadruple supply device and method |
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| CN105937416A (en) * | 2016-06-16 | 2016-09-14 | 全球能源互联网研究院 | Cryogenic liquid air energy storage system utilizing waste heat lithium bromide to perform refrigeration |
| CN106091577A (en) * | 2016-06-14 | 2016-11-09 | 全球能源互联网研究院 | The cryogenic liquefying air method of a kind of cold and heat combined supply type and system |
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| US6009723A (en) * | 1998-01-22 | 2000-01-04 | Air Products And Chemicals, Inc. | Elevated pressure air separation process with use of waste expansion for compression of a process stream |
| EP2610470A2 (en) * | 2011-12-28 | 2013-07-03 | GE Jenbacher GmbH & Co OHG | Method for operating a stationary power plant with at least one combustion engine |
| CN105715518A (en) * | 2016-01-26 | 2016-06-29 | 云南电网有限责任公司电力科学研究院 | Heating-electric-cooling tri generation device with cold supply in summer and heat supply in winter and method |
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|---|---|---|---|---|
| CN109944773A (en) * | 2019-04-17 | 2019-06-28 | 西安交通大学 | A kind of cell composite energy supply system and method |
| CN114087847A (en) * | 2022-01-14 | 2022-02-25 | 石家庄铁道大学 | Liquid air energy storage cold-heat-electricity-air quadruple supply device and method |
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