CN204205725U - A kind of energy storage device for intelligent grid - Google Patents
A kind of energy storage device for intelligent grid Download PDFInfo
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- CN204205725U CN204205725U CN201420658736.3U CN201420658736U CN204205725U CN 204205725 U CN204205725 U CN 204205725U CN 201420658736 U CN201420658736 U CN 201420658736U CN 204205725 U CN204205725 U CN 204205725U
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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
- 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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Abstract
The utility model relates to a kind of energy storage device for intelligent grid, comprises air energy storage systems and high-temperature fusion salt energy-storage system; Described air energy storage systems is made up of motor, compressor, gas storage system, heat exchanger and turbine, and air stores to gas storage system via compressor compresses; Described high-temperature fusion salt energy-storage system is made up of hot tank, superheater, evaporator, preheater, cold tank and water tank; Described air energy storage and the energy storage of high-temperature fusion salt are air that is direct with the fuse salt of high temperature or indirect high pressure, make air thermal expansion, thus improve release efficiency greatly.The utility model, mainly in order to the intellectuality of electrical network, promotes electrical network to the digestion capability of regenerative resource and even running.
Description
Technical field
The utility model relates to field of energy utilization, especially the air energy storage in the energy storage field of intelligent grid and the energy storage of high-temperature fusion salt.
Background technology
No matter to pass by or now, the catabiotic very major part in the world is all from the fossil fuel such as oil, coal, but the resource of these fossil fuels is very limited.On the other hand, traditional fossil energy can produce multiple pollutant when burning, and causes serious pollution to environment, and the carbon dioxide of releasing during fossil energy burning produces greenhouse effect, causes very large impact in the world.
In addition, the electric power of many hydroelectric stations, wind power station, photovoltaic plant is not fully utilized, and discards in vain, causes the serious waste of electric power.
China is at present in most area, and especially developed area, has implemented the policy of peak valley electricity charge wholesale price difference.Be exactly period 11 o'clock of 7 o'clock to evening in the morning, carry out high-order electricity price, greatly about 0.8 yuan ~ 1.45 yuan/kwh (area had is even higher).And period 7 o'clock of 11 o'clock to morning at night, carry out low level electricity price, substantially 0.2 yuan ~ 0.3 yuan/kwh (area had is even lower).So large price difference, by electric unit in order to encourage, use electric energy in the low power consumption period as much as possible, so both significantly can reduce the electric load of China's most area, significantly can improve again the efficiency of China's electricity usage exactly.
In recent years, the research and development of energy storage technology is subject to the attention of the departments such as various countries' energy, traffic, electric power, telecommunication always.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of energy storage device for intelligent grid, utilize trough-electricity or wind-powered electricity generation, water power, photovoltaic electricity of abandoning carry out energy storage, the digestion capability of electrical network to regenerative resource can be promoted, realize Utilizing Energy Sources in Reason.
The utility model solves the technical scheme that its technical problem adopts: a kind of energy storage device for intelligent grid, comprises air energy storage systems and high-temperature fusion salt energy-storage system; Described air energy storage systems is made up of motor, compressor, gas storage system, heat exchanger and turbine; Described motor, compressor, gas storage system, heat exchanger and turbine form independent compressed-air energy storage loop; Described high-temperature fusion salt energy-storage system is made up of hot tank, superheater, evaporator, preheater, cold tank and water tank; Described hot tank, superheater, evaporator, preheater, cold tank and water tank form independent high-temperature fusion salt tank circuit; Described hot tank and the connecting line of superheater are provided with the first valve; Described cold tank and the connecting line of preheater are provided with the 3rd valve; Input, the output of described heat exchanger connect heat-connecting can and cold tank respectively by the second valve and the 4th valve.
In first valve described in the utility model, the second valve, the 3rd valve and the 4th valve, the first described valve and the 3rd valve are opened or the second described valve and the 4th valve is opened simultaneously or four valves are opened simultaneously simultaneously.By the control of valve, both having can be used alone air energy storage systems or be used alone high-temperature fusion salt energy-storage system also can two kinds of energy-storage systems merging use.
The utility model comprises independent air energy storage mode, independent high-temperature fusion salt energy storage mode and air and high-temperature fusion salt energy storage simultaneously mode;
Described independent air energy storage mode is: motor utilizes the electric energy of input to start compressor; Air delivers to caisson energy storage after entering the compression of overcompression machine, by gas temperature raising being expanded through over-heat-exchanger during exoergic, generates electricity finally by turbine;
Described independent high-temperature fusion salt energy storage mode is: utilize the fused salt in the electric energy heat hot tank of input, then utilize the water in water tank to enter preheater, evaporator and superheater and heated fused salt successively to carry out heat exchange and form superheated steam, and then pushing turbine generates electricity;
Described air and high-temperature fusion salt energy storage simultaneously mode are: independent air energy storage mode and independent high-temperature fusion salt energy storage mode work simultaneously.
The electric energy of input described in the utility model is trough-electricity or wind-powered electricity generation, water power, thermoelectricity, photovoltaic abandon electricity; The electric power that the trough-electricity that can effectively utilize electricity price cheap or power plant have more than needed, prevents unnecessary waste, reduces electric load, improve the efficiency of electricity usage.
Hot tank described in the utility model and cold tank are single storage tank or multiple storage tank; Size according to stored energy capacitance is determined.
Operation principle of the present utility model and process are: described motor, compressor, gas storage system, heat exchanger and turbine are connected to form air energy storage systems successively by pipeline; Described hot tank, superheater, evaporator, preheater, cold tank and water tank are connected to form high-temperature fusion salt energy-storage system successively by pipeline.
The beneficial effects of the utility model are, solve the defect existed in background technology, the trough-electricity utilizing electricity price lower and the wind-powered electricity generation of surplus, water power, photovoltaic carry out energy storage, the fault offset will stored again during peak of power consumption, or be used for generating electricity again after the energy of storage is replaced, effectively utilize valley electricity or wind-powered electricity generation, water power, photovoltaic abandon electricity, reach the object that rational energyization utilizes.And air that is direct with high-temperature fusion salt or indirect high pressure, makes air rapid expanding thus improves release efficiency greatly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
In figure: 1, motor; 2, compressor; 3, gas storage system; 4, heat exchanger; 5 turbines; 6, hot tank; 7, superheater; 8, evaporator; 9, preheater; 10, cold tank; 11, water tank; A, input electric energy; B, output electric energy.
Embodiment
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, air energy storage systems is made up of motor 1, compressor 2, gas storage system 3, heat exchanger 4 and turbine 5; Described motor, compressor, gas storage system, heat exchanger and turbine form independent compressed-air energy storage loop; Described high-temperature fusion salt energy-storage system is made up of hot tank 6, superheater 7, evaporator 8, preheater 9, cold tank 10 and water tank 11; Described hot tank, superheater, evaporator, preheater, cold tank and water tank form independent high-temperature fusion salt tank circuit; Described hot tank and the connecting line of superheater are provided with the first valve; Described cold tank and the connecting line of preheater are provided with the 3rd valve; Input, the output of described heat exchanger connect heat-connecting can and cold tank respectively by the second valve and the 4th valve.
Workflow of the present utility model is:
Independent compressed-air energy storage loop:
Open valve b and valve d, valve-off a and valve c, motor 1 utilizes the electric energy A of input to start compressor 2, and air is compressed to gas storage system 3 heat energy storage via compressor 2 successively, then exports electric energy B during release heat energy through over-heat-exchanger 5 temperature raising to turbine 6.
Independent high-temperature fusion salt tank circuit:
Open valve a and valve c, valve-off b and valve d, utilize the fused salt in the electric energy A heat hot tank 6 of input, and the water in water tank 11 flows through preheater 9 successively, evaporator 8, superheater 7 are melted salt and are heated as superheated steam and then export electric energy B.
The loop of air and the energy storage simultaneously of high-temperature fusion salt:
Open valve a, valve b, valve c and valve d, one fuse salt flows through superheater 7, evaporator 8 and preheater 9 and the water in water tank 11 is heated as superheated steam then exports electric energy B; Another plume gives pressure-air temperature raising to heat exchanger 5, and pressure-air expanded by heating exports electric energy B by turbine 6.
The just embodiment of the present utility model described in above specification, various illustrating is not construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (3)
1. for an energy storage device for intelligent grid, it is characterized in that: comprise air energy storage systems and high-temperature fusion salt energy-storage system; Described air energy storage systems is made up of motor, compressor, gas storage system, heat exchanger and turbine; Described motor, compressor, gas storage system, heat exchanger and turbine form independent compressed-air energy storage loop; Described high-temperature fusion salt energy-storage system is made up of hot tank, superheater, evaporator, preheater, cold tank and water tank; Described hot tank, superheater, evaporator, preheater, cold tank and water tank form independent high-temperature fusion salt tank circuit; Described hot tank and the connecting line of superheater are provided with the first valve; Described cold tank and the connecting line of preheater are provided with the 3rd valve; Input, the output of described heat exchanger connect heat-connecting can and cold tank respectively by the second valve and the 4th valve.
2. a kind of energy storage device for intelligent grid as claimed in claim 1, it is characterized in that: in the first described valve, the second valve, the 3rd valve and the 4th valve, the first described valve and the 3rd valve are opened or the second described valve and the 4th valve is opened simultaneously or four valves are opened simultaneously simultaneously.
3. a kind of energy storage device for intelligent grid as claimed in claim 1, is characterized in that: hot tank and cold tank are single storage tank or multiple storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658736.3U CN204205725U (en) | 2014-11-05 | 2014-11-05 | A kind of energy storage device for intelligent grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420658736.3U CN204205725U (en) | 2014-11-05 | 2014-11-05 | A kind of energy storage device for intelligent grid |
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| Publication Number | Publication Date |
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| CN204205725U true CN204205725U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420658736.3U Active CN204205725U (en) | 2014-11-05 | 2014-11-05 | A kind of energy storage device for intelligent grid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823246A (en) * | 2016-03-25 | 2016-08-03 | 青海中控太阳能发电有限公司 | Heat exchange system |
| CN110829470A (en) * | 2019-10-23 | 2020-02-21 | 国网江苏省电力有限公司 | Fused salt heat storage-based power grid peak regulation system |
-
2014
- 2014-11-05 CN CN201420658736.3U patent/CN204205725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823246A (en) * | 2016-03-25 | 2016-08-03 | 青海中控太阳能发电有限公司 | Heat exchange system |
| CN110829470A (en) * | 2019-10-23 | 2020-02-21 | 国网江苏省电力有限公司 | Fused salt heat storage-based power grid peak regulation system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160628 Address after: Wujin Jiaze town 213000 area in Jiangsu city of Changzhou Province on village Taihe view of 4 Patentee after: Yin Su Address before: Wujin Jiaze town 213146 area in Jiangsu city of Changzhou province Hou Yu Jie Tai He Road No. 4 Patentee before: Changzhou Sunhome Solar Water Heater Manufacture Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170519 Address after: 213164 Jiangsu City, Wujin Province, Wu Chang Road, No. 18, Changzhou science and Technology City, Chong Chong Hong Kong, No. 1 C108 Patentee after: Jiangsu Federal Energy Technology Co., Ltd. Address before: Wujin Jiaze town 213000 area in Jiangsu city of Changzhou Province on village Taihe view of 4 Patentee before: Yin Su |
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| TR01 | Transfer of patent right |