CN104675763B - Compressed air energy storage device with heating function and method for operating compressed air energy storage device - Google Patents
Compressed air energy storage device with heating function and method for operating compressed air energy storage device Download PDFInfo
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- CN104675763B CN104675763B CN201510009593.2A CN201510009593A CN104675763B CN 104675763 B CN104675763 B CN 104675763B CN 201510009593 A CN201510009593 A CN 201510009593A CN 104675763 B CN104675763 B CN 104675763B
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- liquid
- pressure vessel
- energy storage
- air energy
- compressed air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the field of new energy sources and compressed air energy storage, in particular to a compressed air energy storage device with a heating function and a method for operating the compressed air energy storage device. The compressed air energy storage device is characterized in that a pressure vessel is directly connected with a high-pressure air storage tank by a top pipeline; the pressure vessel is connected with a cold water pool by a bottom pipeline via a hydraulic device; the pressure vessel is connected with an external liquid source by the bottom pipeline via a preheater and a liquid shifting pump; a heat exchanger is arranged on the inner upper portion of the pressure vessel, a liquid circulating pump is arranged on the lower portion of the pressure vessel and is connected with an inlet of the heat exchanger by a liquid pipeline, and an outlet of the heat exchanger extends to the lower portion of the pressure vessel via the liquid pipeline. The compressed air energy storage device has an energy storage operating mode and a power generation operating mode. Air can be compressed by the compressed air energy storage device in the energy storage working mode, and heat released in compression procedures can be used for heating; the air is expanded when the compressed air energy storage device is in the power generation working mode, and the compressed air energy storage device can be driven to generate power. The compressed air energy storage device and the method have the advantages that the wind power dissipation and storage capacity can be improved, and heating pressures can be relieved.
Description
Technical field
The present invention relates to new forms of energy and compressed-air energy storage field, particularly to a kind of compressed air storage that can be used for and heating
Can device and operation method.
Background technology
China northern territory heat supply in winter phase is longer, for ensure resident's heat supply, wind-powered electricity generation have nothing for it but thermoelectricity " giving way " protect the people
Raw, so winter wind-abandoning phenomenon is serious, wind-powered electricity generation averagely utilizes hourage to be less than national numerical value.Confirm locally to dissolve to realize wind-powered electricity generation
Attach most importance to, pay attention to simple exploitation and lay equal stress on transformation to exploitation, and one of target is locked in draws abandoning wind-resources and be converted into
On the characteristic growth point of dynamic local economic development.In addition, wind-powered electricity generation becomes now generally acknowledges the clean energy resource being capable of large-scale development,
Reduce electrical network carbon discharge capacity, can effectively utilize wind electricity digestion technology in the application of compression air energy-storing apparatus technology.
There are now multiple energy storage technologies, such as water-storage technology, compressed air energy storage technology, super capacitor storage
Energy technology, battery energy storage technology etc., but jumbo energy storage technology that is with low cost, having large-scale application condition only draws water
Accumulation of energy and compressed-air energy storage, and they have respective limitation.The major defect of conventional compression air energy storage is needs
Consume a large amount of combustion gas, produce carbon emission, and inefficient, lead to its application to be restricted.
Content of the invention
The present invention is directed to the heat supply in winter phase, for the problem that wind-abandoning phenomenon is serious and heat supply in winter pressure is big it is proposed that
A kind of wind electricity digestion capability that can improve can alleviate the compression air energy-storing apparatus that can be used for heating and operation for warm pressure again
Method.
The technical scheme that device of the present invention adopts is：
Pressure vessel is joined directly together by the pipeline at top and high pressure tank；The pipeline by bottom for the pressure vessel, warp
Cross hydraulic means, be connected with water cooling pond；The pipeline by bottom for the pressure vessel, through preheater and liquid shifting pump, with outside
Fluid supply is connected；Setting heat exchanger in pressure vessel, outside setting liquid circulation pump, the two ends of liquid circulation pump are passed through respectively
Pipeline is connected to the bottom of pressure vessel and one end of heat exchanger, and the end of heat exchanger is not closed, in pressure vessel
Portion space is connected；Device operationally, gas-liquid directly contact, carry out caloic exchange.
Described hydraulic means has two kinds of working conditions：Hydraulic motor state and hydraulic pump state.
When described hydraulic means is hydraulic motor state, liquid flows out from pressure vessel, drives hydraulic means work,
And flow in water cooling pond, now liquid potential energy is mechanical energy by hydraulic means, and then is converted into electric energy.
When described hydraulic means is hydraulic pump state, liquid is pumped in pressure vessel from water cooling pond by hydraulic means.
The present invention provide based on described can be used for heat compression air energy-storing apparatus, have energy storage and generate electricity two kinds operation
Mode；
Described storage energy operation mode is：Hydraulic means consumes wind energy and sends in pressure vessel by the liquid of water cooling pond, constantly
The gas in liquid compression pressure vessel sent into, the gases at high pressure of formation are fed in high pressure tank；Liquid shifting pump
Work, the liquid in pressure vessel is extracted out by pipeline, sends into outer liquid body source, for heating；
Described generator operation mode is：Gases at high pressure enter from high pressure tank in pressure vessel and expand, liquid simultaneously
The liquid of outer liquid body source is constantly given preheater and is heated by shifting pump, and sends in pressure vessel；The gas expanding pushes away
Dynamic liquid driven hydraulic means generates electricity.
The beneficial benefit of the present invention includes the following aspects：
(1) present invention drives compression module to be stored up by new forms of energy such as wind-powered electricity generations during compressed-air energy storage
Can, thus improving the digestion capability to new forms of energy such as wind-powered electricity generations for the system.
(2) present invention releases heat during compressed-air energy storage, by these unnecessary heat water, thus
Heated, decreased the pressure of heat supply in winter.
(3) present invention introduces energy storage technology, peak load shifting in power system, decreases the load fluctuation of power system
Pressure.
Brief description
Fig. 1 is the structural representation of device；
In figure label：
1- high pressure tank, 2- preheater, 3- pressure vessel, 4- hydraulic means, 5- liquid circulation pump, 6- water cooling pond, 7-
Liquid shifting pump, 8,10- gas pipeline, 9- liquid outlet, 11～16- fluid pipeline, 17- heat exchanger, 18～22- valve.
Specific embodiment
The invention provides a kind of can be used for heat compression air energy-storing apparatus and operation method, below in conjunction with the accompanying drawings and
The present invention will be further described for specific embodiment.
Fig. 1 is the structural representation of this device.Gas pipeline 10 and valve 21 and high pressure are passed through in the top of pressure vessel 3
Air accumulator 1 is connected, and on the other hand, gas pipeline 8 is passed through at the top of pressure vessel 3 and valve 18 is connected with low-pressure gas.
The bottom of pressure vessel 3 passes through fluid pipeline 13 and valve 20 is connected with preheater 2 and liquid shifting pump 7, liquid simultaneously
Shifting pump 7 passes through fluid pipeline 14 and outer liquid body tied to source；On the other hand, the bottom of pressure vessel 3 is also by fluid pipeline
11 and valve 19 and hydraulic means 4 connect, hydraulic means 4 is connected with water cooling pond 6 by fluid pipeline 12；In pressure vessel 3
Be internally provided with heat exchanger 17, outside is provided with liquid circulation pump 5, liquid circulation pump 5 by fluid pipeline 15 connect to
Pressure vessel 3 bottom, is connected with internal heat exchanger 17 with valve 22 by fluid pipeline 16, the wherein end of heat exchanger 17
End is not closed, and is provided with liquid outlet 9 and pressure vessel inner space is joined directly together.
This device has energy storage and the two kinds of methods of operation that generate electricity：
, thermal energy storage process is as follows taking Fig. 1 as a example：
During beginning, in pressure vessel 3, it is full of low-pressure air, valve 18,20,21 is closed, and valve 19 is opened, hydraulic means 4
It is operated in hydraulic pump state, liquid is sent into pressure vessel 3 from water cooling pond 6, the liquid constantly compression pressure constantly entering
Low-pressure air in container 3, forms gases at high pressure, now, opens valve 21, and liquid is persistently sent into pressure and held by hydraulic means 4
In device 3, gases at high pressure are then fed in high pressure tank 1, close valve 19,21；Valve 18,20 is opened, liquid shifting pump 7
By work, the liquid in pressure vessel 3 is extracted out, gives outer liquid body source and be used for heating, because liquid flows out, outside air
Flowed into by gas pipeline 8, until liquid flows completely out pressure vessel 3, gas is completely filled with pressure vessel 3, an energy storage
Journey terminates.Whole thermal energy storage process, liquid is constantly pumped from lower vessel portion and is handed over to the heat internal positioned at container by liquid circulation pump 5
In parallel operation 17.
, power generation process is as follows taking Fig. 1 as a example：
During beginning, gassy in pressure vessel 3, valve 18,19,20,21 is turned off.Open valve 18,20, liquid turns
Move pump 7 to work, the liquid of outer liquid body source is sent into preheater 2, preheater 2 heats liquid, liquid is heated rear feed pressure
In container 3, gas little by little flows out from gas pipeline 8, until liquid is completely filled with pressure vessel 3, valve 18,20 is closed；Valve
Door 19,21 unlatching, high pressure tank 1 conveys certain gases at high pressure toward in pressure vessel 3, and valve 21 is closed, and gases at high pressure exist
Expand in pressure vessel 3, the liquid in container is then continuously outflowed by fluid pipeline 11, drive hydraulic means 4 to generate electricity, now liquid
Pressure device 4 is in hydraulic motor state.Whole power generation process, liquid circulation pump 5 constantly by liquid from lower vessel portion pump to
In heat exchanger 17 within positioned at container.
Claims (4)
1. a kind of compression air energy-storing apparatus that can be used for heating it is characterised in that pressure vessel (3) by the pipeline at top and
High pressure tank (1) is joined directly together；The pipeline by bottom for the pressure vessel (3), through hydraulic means (4), with water cooling pond (6) phase
Even；The pipeline by bottom for the pressure vessel (3), through preheater (2) and liquid shifting pump (7), is connected with outer liquid body source；Pressure
Setting heat exchanger (17) in force container (3), outside setting liquid circulation pump (5), pipeline is passed through at the two ends of liquid circulation pump (5)
It is connected with the bottom of pressure vessel (3) and heat exchanger (17) respectively, the end of heat exchanger (17) is not closed, hold with pressure
Device (3) inner space is connected；Device operationally, gas-liquid directly contact, carry out caloic exchange；Described hydraulic means (4) has two
Plant working condition：Hydraulic motor state and hydraulic pump state.
2. according to claim 1 a kind of can be used for heat compression air energy-storing apparatus it is characterised in that：Described hydraulic pressure
When device (4) is hydraulic motor state, liquid flows out from pressure vessel (3), drives hydraulic means (4) work, and flows into
In water cooling pond (6), now liquid potential energy is mechanical energy by hydraulic means (4), and then is converted into electric energy.
3. according to claim 1 a kind of can be used for heat compression air energy-storing apparatus it is characterised in that：Described hydraulic pressure
When device (4) is hydraulic pump state, liquid is pumped in pressure vessel (3) from water cooling pond (6) by hydraulic means (4).
4. a kind of based on can be used for described in claim 1 heat compression air energy-storing apparatus operation method it is characterised in that
Described device has energy storage and the two kinds of methods of operation that generate electricity；
Described storage energy operation mode is：Hydraulic means (4) consumes wind energy and sends in pressure vessel (3) by the liquid of water cooling pond (6),
The gas in liquid compression pressure vessel (3) sent constantly into, the gases at high pressure of formation are fed in high pressure tank (1)；
Liquid shifting pump (7) works, and the liquid in pressure vessel (3) is extracted out by pipeline, sends into outer liquid body source, for supplying
Warm；
Described generator operation mode is：Gases at high pressure enter from high pressure tank (1) in pressure vessel (3) and expand, liquid simultaneously
The liquid of outer liquid body source is constantly given preheater (2) and is heated by body shifting pump (7), and sends in pressure vessel (3)；Swollen
Swollen gas pushed liquid drives hydraulic means (4) to generate electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009593.2A CN104675763B (en) | 2015-01-08 | 2015-01-08 | Compressed air energy storage device with heating function and method for operating compressed air energy storage device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510009593.2A CN104675763B (en) | 2015-01-08 | 2015-01-08 | Compressed air energy storage device with heating function and method for operating compressed air energy storage device |
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| Publication Number | Publication Date |
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| CN104675763A CN104675763A (en) | 2015-06-03 |
| CN104675763B true CN104675763B (en) | 2017-02-22 |
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| CN201510009593.2A Expired - Fee Related CN104675763B (en) | 2015-01-08 | 2015-01-08 | Compressed air energy storage device with heating function and method for operating compressed air energy storage device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201926B (en) * | 2015-09-11 | 2018-01-19 | 华北电力大学 | The temp liquid piston device of gas isothermal scaling is realized based on storage gas unit |
| CN106989075A (en) * | 2016-01-21 | 2017-07-28 | 邱林涂 | Electricity/air pressure converter structure and application method |
| CN106246230B (en) * | 2016-07-28 | 2020-04-07 | 华北电力大学 | Internal temperature control liquid piston device for isothermal compressed air energy storage |
Citations (6)
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| CN103573315A (en) * | 2013-11-04 | 2014-02-12 | 合肥通用机械研究院 | Compressed air and hydraulic combined micro-miniature compressed air energy storage system |
| CN103775207A (en) * | 2014-01-29 | 2014-05-07 | 华北电力大学（保定） | Stably-operating adiabatic compressed air storage power generation method and system |
| CN104100441A (en) * | 2014-07-01 | 2014-10-15 | 西安交通大学 | Water-gas common-cabin electric power energy storage system utilizing high pressure gasholder to maintain constant pressure |
| CN104121049A (en) * | 2013-04-28 | 2014-10-29 | 中国科学院工程热物理研究所 | Compressed air electric power energy storage system |
| CN104153946A (en) * | 2013-05-14 | 2014-11-19 | 国家电网公司 | Cold, heat, power and water poly-generation system comprehensively utilizing wind energy and seawater heat energy |
| CN204060830U (en) * | 2014-07-11 | 2014-12-31 | 西安交通大学 | Compressed-air energy-storage system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110100010A1 (en) * | 2009-10-30 | 2011-05-05 | Freund Sebastian W | Adiabatic compressed air energy storage system with liquid thermal energy storage |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121049A (en) * | 2013-04-28 | 2014-10-29 | 中国科学院工程热物理研究所 | Compressed air electric power energy storage system |
| CN104153946A (en) * | 2013-05-14 | 2014-11-19 | 国家电网公司 | Cold, heat, power and water poly-generation system comprehensively utilizing wind energy and seawater heat energy |
| CN103573315A (en) * | 2013-11-04 | 2014-02-12 | 合肥通用机械研究院 | Compressed air and hydraulic combined micro-miniature compressed air energy storage system |
| CN103775207A (en) * | 2014-01-29 | 2014-05-07 | 华北电力大学（保定） | Stably-operating adiabatic compressed air storage power generation method and system |
| CN104100441A (en) * | 2014-07-01 | 2014-10-15 | 西安交通大学 | Water-gas common-cabin electric power energy storage system utilizing high pressure gasholder to maintain constant pressure |
| CN204060830U (en) * | 2014-07-11 | 2014-12-31 | 西安交通大学 | Compressed-air energy-storage system |
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