CN107478082A - A kind of steel energy storage device - Google Patents
A kind of steel energy storage device Download PDFInfo
- Publication number
- CN107478082A CN107478082A CN201710657904.5A CN201710657904A CN107478082A CN 107478082 A CN107478082 A CN 107478082A CN 201710657904 A CN201710657904 A CN 201710657904A CN 107478082 A CN107478082 A CN 107478082A
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- China
- Prior art keywords
- heat
- steel
- energy storage
- storage device
- thick walled
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- 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
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
A kind of steel energy storage device, including electricity-heat converter, hot energy storage device and thermal output device；The electricity-heat converter is connected with hot energy storage device, and hot energy storage device is connected with thermal output device；The thermoelectric conversion device is the electric heating equipment for converting electrical energy into heat energy；The hot energy storage device includes thermal store and is arranged on steel heat accumulating inside thermal store；The steel heat accumulating is multiple thick walled steel tubes, and thick walled steel tube is vertically installed in thermal store according to multiple rows of longitudinal direction, and certain intervals are reserved between each thick walled steel tube；Heat energy in being stored in the thermal store of hot energy storage device is carried out stabilization by the thermal output device during incubation, controllable output utilizes.
Description
Technical field
The present invention relates to energy storage method technical field, more particularly to a kind of steel energy storage device.
Technical background
It is more next using new energy, the utilization rate for improving the energy with becoming increasingly conspicuous for energy shortage and problem of environmental pollution
More it is valued by people.Energy storage technologies, as the important method for solving energy supply-demand unbalance, enjoy state
Inside and outside enterprise and the favor of related research institutes.
The heating heat-storing device of prior art solves the safety issue for directly using high pressure electrical heating energy storage material water,
The investment of transformer is saved simultaneously, reduces equipment cost.But so restricted no more than 100 DEG C with water heat accumulation, temperature
The use range of heat accumulation, such as can not produce high-temperature steam.
Solid heat accumulation is also ripe technology at present, and its heat accumulating is refractory material.Heat accumulation temperature is also higher, reaches
To 400-500 DEG C, due to being air insulation, high voltage direct-furnish safe distance requires larger, so thermal store internal volume utilization rate
It is relatively low, influence quantity of heat storage.In addition, its electrical heating and heat accumulation are all to be exchanged heat by hot-air as medium, due to air heat
Hold very little, to complete high-power heat, it is necessary to flow very big blower fan and heat-exchanger rig, so use range is also by certain
Limitation.
At present, the development of the regenerative resource including wind energy, solar energy etc. makes energy storage technology of increasing concern.Can
A big problem is its unstability existing for the renewable sources of energy, and outside climatic condition at different moments can cause generated energy significantly
Fluctuation, this is to being incorporated into the power networks or all causing very big negative effect with matching for user's request.Therefore, the suitable storage of development
Can technology regulation different periods generated energy to meet that the needs of grid-connected or user is vital.
The content of the invention
The present invention is directed to problems of the prior art, there is provided the higher steel storage of a kind of energy high temperature energy-storage, stability
Can device.
In order to achieve the above object, the technical scheme is that：A kind of steel energy storage device, including electric heating converting means
Put, hot energy storage device and thermal output device；The electricity-heat converter is connected with hot energy storage device, hot energy storage device and thermal output
Device connects；The electricity-heat converter is the electric heating equipment for converting electrical energy into heat energy；The hot energy storage device includes storage
Hot body and it is arranged on steel heat accumulating inside thermal store；The steel heat accumulating is multiple thick walled steel tubes, and thick walled steel tube is pressed
It is vertically installed at according to multiple rows of longitudinal direction in thermal store, certain intervals is reserved between each thick walled steel tube；The thermal output device includes
Interior heat exchanger, external heat exchanger, circulating pump, heat transferring medium and connecting pipe；The interior heat exchanger is located in steel heat accumulating；
The circulating pump provides circulation power for heat transferring medium；During incubation, heat transferring medium in interior heat exchanger with steel heat accumulation material
Material carries out heat exchange, absorbs the heat energy in steel heat accumulating, heat energy is output into external heat exchanger, and the medium with needing to heat enters
Row heat exchange, circulatory mediator release heat after, be re-circulated in interior heat exchanger with steel heat accumulating carry out heat exchange, such one
Straight circulation is gone down, and so as to which the heat energy being stored in steel heat accumulating is carried out into stabilization, controllable output utilizes.
Further, the high temperature resistant for being used for fixing every steel heat accumulating is provided with the interval of the steel heat accumulating
Filler particles thing material, high temperature resistant filler particles thing material are sandstone, ceramic particle or carborundum etc., it can not only rise
To the position of fixed steel heat accumulating, moreover it is possible to which insulate heat accumulation well.
Further, the thermal store includes energy storage inner sealing housing and closure body, and the steel heat accumulating is set
Put in the energy storage inner sealing housing；Closure body suit is arranged on the energy storage inner sealing housing, has between the two
One vacuum cavity, by vacuum heat-preserving, the steel heat accumulating in thermal store is incubated.
Further, the electric heating equipment is that thick walled steel tube using resistance itself heat certainly by direct-electrifying
Oneself, plurality of thick walled steel tube forms high resistance thick walled steel tube series winding group by series connection, and then thick walled steel tube series winding group is in parallel rises
Come with electrically connecting, oneself is heated using self-resistance, its electric energy is converted into heat energy of the temperature in 1200 DEG C of 600-
It is stored in hot energy storage device.
Further, the interior heat exchanger of the thermal output device be by the pipeline among each thick walled steel tube by series connection,
It is in parallel or the combination of the two connection composition；The pipeline that the heat transferring medium flows through among thick walled steel tube is carried out with thick walled steel tube
Heat exchange, the heat energy being stored in thick walled steel tube is exported.
Further, described thick walled steel tube is made up of multiple cast steel blocks, and at least one through hole is provided among cast steel block, more
Individual cast steel block is piled into column structure, and the through hole of each cast steel block is corresponding.
Further, it is additionally provided with refractory brick material layer on the inside of the energy storage inner sealing housing of the thermal store.
Further, by taking out in the vacuum cavity between the closure body of the thermal store and energy storage inner sealing housing
Vacuum pours inert protective gas to be incubated and realized the isolation of ferrous materials and air.
Further, the heat transferring medium in the thermal output device is liquid metal, nitrogen or inert gas.
Compared with prior art, the present invention has the advantage that：
（1）Alleviation Voltage force, reduce operating cost
The system is all using trough-electricity energy, and by thermal energy storage into steel, this technology has responded national peak load shifting political affairs
Plan, power network efficiency is improved, give full play to the benefit of trough-electricity, extend the life-span of generating equipment；Because the electricity price of trough-electricity is only
The 1/3-1/4 of peak electricity, greatly reduces operating cost, reduces the expense of transformer；
（2）Modular assembled, reasonable in design, convenient and flexible installation, multimode combination can be achieved；Entered according to the size of energy storage
The size of row adjustment volume, or multiple steel energy storage devices can be superimposed；Single steel energy storage device maintainability is good, Ke Yisui
The group number of meaning adjustment amount of stored heat；
（3）The thermal efficiency is high
The system uses integral structure, by heating, accumulation of heat, takes heat, heat exchange and control function combination in integral structure, steel
Iron heat accumulating can improve heat accumulation temperature, realize 600 ~ 1200 degree of heat accumulation, and more electric energy are become into heat energy is stored, real
Existing higher thermal efficiency utilizes；
（4）Floor space is small
The system is using ferrous materials as energy-accumulation material, and thermal capacity is high, heat storage capacity is strong, longtime running is stable, nontoxic
It is pollution-free, while greatly reduce occupation area of equipment, area of dissipation is greatly reduced, improves whole efficiency.
Brief description of the drawings
Fig. 1 is heat reservoir structural representation of the present invention.
Fig. 2 is the cross-sectional view of the specific embodiment of the invention.
Fig. 3 thermal output apparatus structure schematic diagrams of the present invention.
In figure：1st, electric heating converting means；2nd, hot energy storage device；21st, thermal store；211st, energy storage inner sealing housing；212nd, close
Shell body；213rd, refractory brick material layer；214th, vacuum cavity；22nd, steel heat accumulating is set；3rd, thermal output device；31st, it is interior to change
Hot device；32nd, external heat exchanger；33rd, circulating pump；4th, high temperature resistant filler particles thing material.
Embodiment
The present invention is further illustrated with embodiment below, but the present invention is not intended to be limited thereto.
Referring to Fig. 1, a kind of steel energy storage device, including electricity-heat converter 1, hot energy storage device 2 and thermal output device
3；The electricity-heat converter 1 is connected with hot energy storage device 2, and hot energy storage device 2 is connected with thermal output device 3；The electric heating turns
Changing device 1 is the electric heating equipment for converting electrical energy into heat energy.
Referring to Fig. 2, the hot energy storage device 2 includes thermal store 21 and is arranged on steel heat accumulating inside thermal store
22；The thermal store 21 includes energy storage inner sealing housing 211 and closure body 212, the energy storage inner sealing housing 211 it is interior
Side is additionally provided with refractory brick material layer 213；The steel heat accumulating 22 is arranged in refractory brick material layer 213；Outside the closing
The suit of housing 212 is arranged on the energy storage inner sealing housing 211, has a vacuum cavity 214 between the two, in vacuum cavity 214
The isolation of steel heat accumulating 22 and air is incubated and is realized by vacuumizing or pouring inert protective gas；Pass through
Vacuum heat-preserving, the insulation that will be carried out in thermal store in tens to 100 hours；The steel heat accumulating 22 is multiple heavy wall steel
Pipe, thick walled steel tube are vertically installed in thermal store 21 according to multiple rows of longitudinal direction, and certain intervals are reserved between each thick walled steel tube；It is described
The high temperature resistant filler particles thing material 4 for being used for fixing every steel heat accumulating 22 is provided with the interval of steel heat accumulating 22,
High temperature resistant filler particles thing material 4 is sandstone, ceramic particle or carborundum etc., and it can not only play fixed steel heat accumulation material
The position of material 22, moreover it is possible to which insulate heat accumulation well.
The electric heating equipment is that thick walled steel tube carries out heating oneself by direct-electrifying using resistance itself, plurality of
Thick walled steel tube forms high resistance thick walled steel tube series winding group by series connection, and then thick walled steel tube series winding group is together in parallel with electrically connecting,
Oneself is heated using self-resistance, its electric energy is converted into thermal energy storage of the temperature in 1200 DEG C of 600- in steel
In heat accumulating 22.
Fig. 3 is refer to, the thermal output device 3 includes interior heat exchanger 31, external heat exchanger 32, circulating pump 33, heat transferring medium
And connecting pipe；The interior heat exchanger 31 is located in steel heat accumulating 22；
The interior heat exchanger 31 of the thermal output device 3 is to pass through series, parallel or two by the pipeline among each thick walled steel tube
The combination connection composition of person；The pipeline that the heat transferring medium flows through among thick walled steel tube carries out heat exchange with thick walled steel tube, will
The heat energy output being stored in thick walled steel tube；Described heat transferring medium is liquid metal, nitrogen or inert gas；The liquid
Metal is sodium, Na-K alloy or other liquid metals；The circulating pump 33 provides circulation power for heat transferring medium；In soak
Between, heat transferring medium carries out heat exchange in interior heat exchanger 31 with steel heat accumulating 22, absorbs the heat in steel heat accumulating 22
Can, heat energy is output to external heat exchanger 32, the medium with needing to heat is exchanged heat, and after circulatory mediator releases heat, is followed again
Ring carries out heat exchange into interior heat exchanger 31 with steel heat accumulating 22, and so circulation is gone down always, so as to be stored in steel
Heat energy in heat accumulating 22 carries out stabilization, controllable output utilizes.
Described thick walled steel tube can be made up of multiple cast steel blocks, and at least one through hole, Duo Gezhu are provided among cast steel block
Bloom is piled into column structure, and the through hole of each cast steel block is corresponding.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The mutual position of part is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (9)
- A kind of 1. steel energy storage device, it is characterised in that：Including electricity-heat converter, hot energy storage device and thermal output device；Institute State electricity-heat converter to be connected with hot energy storage device, hot energy storage device is connected with thermal output device；The electricity-heat converter is Convert electrical energy into the electric heating equipment of heat energy；The hot energy storage device includes thermal store and is arranged on steel storage inside thermal store Hot material；The steel heat accumulating is multiple thick walled steel tubes, and thick walled steel tube is vertically installed in thermal store according to multiple rows of longitudinal direction, Certain intervals are reserved between each thick walled steel tube；The thermal output device includes interior heat exchanger, external heat exchanger, circulating pump, heat exchange Medium and connecting pipe；The interior heat exchanger is located in steel heat accumulating；The circulating pump provides circulation for heat transferring medium Power；During incubation, heat transferring medium carries out heat exchange in interior heat exchanger with steel heat accumulating, absorbs steel heat accumulating Interior heat energy, heat energy being output to external heat exchanger, the medium with needing to heat is exchanged heat, after circulatory mediator releases heat, then Secondary be recycled in interior heat exchanger carries out heat exchange with steel heat accumulating, and so circulation is gone down always, so as to be stored in steel Heat energy in heat accumulating carries out stabilization, controllable output utilizes.
- A kind of 2. steel energy storage device as claimed in claim 1, it is characterised in that：Set in the interval of the steel heat accumulating Have a high temperature resistant filler particles thing material for fixing every steel heat accumulating, high temperature resistant filler particles thing material be sandstone, Ceramic particle or carborundum etc..
- A kind of 3. steel energy storage device as claimed in claim 1, it is characterised in that：The thermal store includes energy storage inner sealing shell Body and closure body, the steel heat accumulating are arranged in the energy storage inner sealing housing；The closure body set installing Put in the energy storage inner sealing housing, there is a vacuum cavity between the two, by vacuum heat-preserving, by the steel heat accumulation in thermal store Material is incubated.
- A kind of 4. steel energy storage device as claimed in claim 1, it is characterised in that：The electric heating equipment is that thick walled steel tube leads to Cross direct-electrifying to carry out heating oneself using resistance itself, plurality of thick walled steel tube forms high resistance thick walled steel tube by series connection Series winding group, then thick walled steel tube series winding group be together in parallel with electrically connecting, oneself is heated using self-resistance, by its electricity Temperature can be converted into 1200 DEG C of 600- thermal energy storage in hot energy storage device.
- A kind of 5. steel energy storage device as claimed in claim 1, it is characterised in that：The interior heat exchanger of the thermal output device is It is made up of the pipeline among each thick walled steel tube series, parallel or the combination connection of the two；The heat exchanging medium flow Heat exchange is carried out through the pipeline among thick walled steel tube and thick walled steel tube, the heat energy being stored in thick walled steel tube is exported.
- A kind of 6. steel energy storage device as claimed in claim 1, it is characterised in that：Described thick walled steel tube is by multiple cast steel blocks Composition, cast steel block centre are provided with least one through hole, and multiple cast steel blocks are piled into column structure, and the through hole of each cast steel block is It is corresponding.
- A kind of 7. steel energy storage device as claimed in claim 3, it is characterised in that：The energy storage inner sealing housing of the thermal store Inner side be additionally provided with refractory brick material layer.
- A kind of 8. steel energy storage device as claimed in claim 3, it is characterised in that：The closure body of the thermal store and storage In vacuum cavity between energy inner sealing housing steel is incubated and is realized by vacuumizing or pouring inert protective gas The isolation of iron material and air.
- A kind of 9. steel energy storage device as claimed in claim 1, it is characterised in that：Heat transferring medium in the thermal output device It is liquid metal, nitrogen or inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657904.5A CN107478082A (en) | 2017-08-03 | 2017-08-03 | A kind of steel energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657904.5A CN107478082A (en) | 2017-08-03 | 2017-08-03 | A kind of steel energy storage device |
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| Publication Number | Publication Date |
|---|---|
| CN107478082A true CN107478082A (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710657904.5A Pending CN107478082A (en) | 2017-08-03 | 2017-08-03 | A kind of steel energy storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345788A (en) * | 2018-04-02 | 2019-10-18 | 郑文祺 | Electric energy storage device |
| CN114061350A (en) * | 2020-08-04 | 2022-02-18 | 国家能源投资集团有限责任公司 | Heat storage device and heat exchange system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005221182A (en) * | 2004-02-06 | 2005-08-18 | Hokuriku Electric Power Co Inc:The | Heat storage tank |
| CN202101587U (en) * | 2011-05-04 | 2012-01-04 | 浙江日月昇科技有限公司 | Special equipment for heat and energy storage of large wind power generator |
| CN103047890A (en) * | 2011-10-13 | 2013-04-17 | 刘君才 | Static hybrid heat accumulator |
| CN204730717U (en) * | 2015-05-18 | 2015-10-28 | 华电电力科学研究院 | A kind of low temperature phase change heat-storing device |
| CN206944786U (en) * | 2017-08-03 | 2018-01-30 | 北京中热能源科技有限公司 | A kind of steel energy storage device |
-
2017
- 2017-08-03 CN CN201710657904.5A patent/CN107478082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005221182A (en) * | 2004-02-06 | 2005-08-18 | Hokuriku Electric Power Co Inc:The | Heat storage tank |
| CN202101587U (en) * | 2011-05-04 | 2012-01-04 | 浙江日月昇科技有限公司 | Special equipment for heat and energy storage of large wind power generator |
| CN103047890A (en) * | 2011-10-13 | 2013-04-17 | 刘君才 | Static hybrid heat accumulator |
| CN204730717U (en) * | 2015-05-18 | 2015-10-28 | 华电电力科学研究院 | A kind of low temperature phase change heat-storing device |
| CN206944786U (en) * | 2017-08-03 | 2018-01-30 | 北京中热能源科技有限公司 | A kind of steel energy storage device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345788A (en) * | 2018-04-02 | 2019-10-18 | 郑文祺 | Electric energy storage device |
| CN114061350A (en) * | 2020-08-04 | 2022-02-18 | 国家能源投资集团有限责任公司 | Heat storage device and heat exchange system |
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Address after: 100097 C-1805-050 15, 1 building, 18 Zhongguancun East Road, Haidian District, Beijing. Applicant after: Beijing hot Mdt InfoTech Ltd Address before: 100097 C-1805-050 15, 1 building, 18 Zhongguancun East Road, Haidian District, Beijing. Applicant before: Beijing medium heat energy technology Co., Ltd. |
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Application publication date: 20171215 |
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| WD01 | Invention patent application deemed withdrawn after publication |