CN105806117B - A kind of solid electric heat-storage device - Google Patents
A kind of solid electric heat-storage device Download PDFInfo
- Publication number
- CN105806117B CN105806117B CN201610253185.6A CN201610253185A CN105806117B CN 105806117 B CN105806117 B CN 105806117B CN 201610253185 A CN201610253185 A CN 201610253185A CN 105806117 B CN105806117 B CN 105806117B
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- Prior art keywords
- heat
- heating
- compartment
- accumulation
- storage
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Classifications
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- 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
- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
-
- 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)
- Central Heating Systems (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
Abstract
A kind of solid electric heat-storage device, it includes resistance heater group, heating compartment, heat storage, heat conduction compartment, heat circulating system, is characterized in that：Described heating compartment is insulating space of the internal resistance heater group installed when 66kV~500kV voltage class works；Resistance heater group is formed by connecting by several electrical resistor heating element horizontal series；Stratie of the electrical resistor heating element by insulated platform and through series and parallel wiring on insulated platform is constituted；Heat storage is to be located at heating compartment both sides, with the internal heat-resisting parallel wall with corrosion resistant metal section bar accumulation of heat concrete block masonry for installing inorganic heat-storing material；Heat storage is with heat insulation basis for starting point, and accumulation of heat building block is built by laying bricks or stones for layers of material, and odd-level, even level are vertically put, and the gap of blowing air is left between accumulation of heat building block；Heat conduction compartment is the space being located between heat storage and partition wall, insulation shell；Partition wall be stop each heating compartment between air circulation barrier, be made of heating resisting metal.
Description
Technical field
It is specifically a kind of direct by 66kV~500kV voltage class the present invention relates to a kind of electric accumulation of heat art
The solid electric heat-storage device of power supply.The invention can convert electric energy to thermal energy storage in solid heat storage body and can control hot water,
Hot blast, steam output.
Background technology
The applicant and 04 month 2016 patent of invention filed in 07 day, number of patent application is：201610212044.X
" solid electric heat-storage device " more than 66kV voltages access in the environment of, although than the applicant patent Shen on May 22nd, 2012
Please number be：Used in ZL201210159123.0 " ultra-high voltage electric heat energy storage device " " array installs heating wire in heat storage
Solid electric heat-storage device " technology, can reduce equipment volume, reduce heating partial insulation costs, it is to avoid heat storage band
Electricity.And the phase-change material that metal and non-electrical can be used to insulate does heat storage, and the insulating requirements of heat storage are not considered.Compare oxygen
Change that magnesium, alumina sintering heat storage heat-transfer rate are fast, especially require high-power accumulation of heat, heat release equipment advantage it is more obvious.
But, because its structural volume is larger, spatial altitude will be limited to.Because " heat storage " of " solid electric heat-storage device " is installed
It is higher in the height of " bearing wall " device above so that some fabricating yards can not be installed.In order to improve the adaptability of device,
Dilation technique promotes face, develops new equipment to adapt to user's request.
The content of the invention
The purpose of the present invention is to provide a kind of solid electric heat-storage device for above-mentioned problem, resistance in horizontal plane first
Insulation shell is installed on the basis of heat, resistance heater group and accumulation of heat then is mounted side by side on the basis of heat-resisting in insulation shell
Body, makes the heat energy that resistance heater group is sent be stored in by hot-air convection conduction in heat storage, with installed in insulation shell
Outer heat circulating system, is made hot water, hot blast, steam by the heat energy in heat storage in insulation shell and exports to heat user.
The present invention seeks to what is be achieved through the following technical solutions：
A kind of solid electric heat-storage device, it includes insulation shell, resistance heater group, heating compartment, heat storage, heat conduction
Compartment, partition wall, heat circulating system, foundation structure and control system, it is characterised in that：Described heating compartment is internal installs
Insulating space of the resistance heater group in 66kV~500kV voltage class power works；Resistance heater group is by several
Electrical resistor heating element horizontal series are formed by connecting；Electrical resistor heating element by insulated platform and on insulated platform through string,
And the stratie composition of tie；Heat storage is to be located at heating compartment both sides, using the heat-resisting of inorganic heat-storing material and
The parallel wall of corrosion resistant metal section bar accumulation of heat concrete block masonry；With heat insulation basis for starting point during accumulation of heat body construction, with accumulation of heat
Building block is built by laying bricks or stones for layers of material, and odd-level, even level are vertically put, and the gap of blowing air is left between accumulation of heat building block；Heat conduction every
Between be the space being located between heat storage and partition wall, insulation shell；Partition wall is to stop air circulation between each heating compartment
Barrier, is made of heating resisting metal；The heat circulating system includes circulation canal and the heat exchanger being arranged on circulation canal, become
Frequency blower fan.
Described insulated platform be by refractory brick, ceramics be made rectangle insulation building block and glass be made it is plate shaped absolutely
Edge building block is built by laying bricks or stones and formed with heat-insulated, high temperature resistant, insulated combination agent bonding.
Described resistive element is heating wire, electric heating piece or the electrothermal tube high temperature resistance material supported with heat-resistant insulation material
Material.
Described inorganic heat-storing material includes two kinds, and a kind of is the refractory brick without phase-change characteristic, installed in " C " type
In the accumulation of heat building block that heating resisting metal section bar is made；Another is the salt that operating temperature has phase-transition heat-storage characteristic below 850 DEG C
Class, bases material balk cargo, and filling closed band humidity discharging gas can be made with heat-resisting and resistance to salt, bases corrosion shape
In the accumulation of heat building block in hole.
Described circulation canal is to be connected to insulation shell, heat exchanger, heating compartment, heat storage, heat conduction compartment, frequency conversion
The pipeline that the metal or heat proof material set between blower fan for hot-air sealing and circulating is constituted；The pipeline point upper pipe, bottom
Portion's pipeline；Upper pipe is located at heat exchanger high temperature side on one side, with the metal material for being resistant to 850 DEG C of air themperatures；Lower tube
Road is located at heat exchanger low temperature side on one side, is made of hot-rolling metal thin plate.
Described control system is to complete accumulation of heat power supply and heat management control, using PLC as the intelligent controller of core.
Present invention has the advantages that：
The solid electric heat-storage device of the present invention, due to heat storage is set directly on the basis of heat insulation, is substantially reduced
The setting height(from bottom) of heat storage, therefore in the environment of the access of more than 66kV voltages, Billy's prior art can reduce device
Setting height(from bottom), in the case where meeting identical shock strength requirement, can save infrastructure investment.Than prior art, centre is outstanding
The mechanical tensile strength of " heat storage " of the empty cross-arm on bearing wall is much smaller, it is not necessary to do heat storage with high chrome, though
Right volume has increased, and manufacturing cost and stability are improved.The usable metal of the present invention and the phase-change material of non-electrical insulation
Heat storage is done, the insulating requirements of heat storage are not considered.It is faster than magnesia, alumina sintering heat storage heat-transfer rate, especially
Ask the equipment advantage of high-power accumulation of heat, heat release more obvious.The present invention is especially suitable for thermal power plant's generating set heat accumulating type peak regulation,
The low valley period power accumulation of heat balance power network of wind field generating set heat accumulating type peak regulation, solar power system heat accumulating type peak regulation, power network.This dress
Putting can be as high-power accumulation of heat industrial heat resources, can also be as winter accumulation of heat heating source.
Brief description of the drawings
Fig. 1 is solid electric heat-storage device structure chart of the invention；
Fig. 2 is solid electric heat-storage device heat circulating system structure chart of the invention；
Fig. 3 is the A-A sectional views in Fig. 1 of the present invention.
Critical piece explanation in accompanying drawing：1st, insulation shell, 2, heat storage, 3, stratie, 4, rectangle insulation
Building block, 5, plate shaped insulation building block, 6, upper pipe, 7, heating compartment, 8, heat exchanger, 9, frequency conversion fan, 10, heat-resisting protect
Warm basis, 11, heat conduction compartment, 12, top plate, 13, inlet scoop, 14, bottom pipe, 15, lead-in cable, 16, zero line cable, 17,
Partition wall, 18, air outlet, 19, cable duct.
The present invention is described in further detail by example below in conjunction with accompanying drawing, but following examples is only this hair
Bright example therein, does not represent the rights protection scope that is limited of the present invention, and the scope of the present invention is to weigh
Sharp claim is defined.
Embodiment
Embodiment 1
As shown in Figures 1 to 3, the primary structure of the solid electric heat-storage device includes：Insulation shell 1, resistance heater group, plus
Hot compartment 7, heat storage 2, heat conduction compartment 11, partition wall 17, heat circulating system, foundation structure and control system,：Described heating every
Between be insulating space of the internal resistance heater group installed in 66kV~500kV voltage class power works；Resistance heating
Device group is formed by connecting by several electrical resistor heating element horizontal series；Electrical resistor heating element is by insulated platform and installed in insulation
Stratie composition through series and parallel wiring on platform, the insulated platform is the rectangle being made up of refractory brick, ceramics
The plate shaped insulation building block 5 that insulation building block 4 and glass are made is built by laying bricks or stones and formed with heat-insulated, high temperature resistant, insulated combination agent bonding；Accumulation of heat
Body 2 is to be located at the both sides of heating compartment 7, using inorganic heat-storing material heat-resisting and corrosion resistant metal section bar accumulation of heat concrete block masonry it is flat
Row wall；Heat storage 2 with heat insulation basis 10 is starting point when constructing, and is built by laying bricks or stones using accumulation of heat building block as layers of material, odd-level, idol
Several layers are vertically put, and the gap of blowing air is left between accumulation of heat building block；Heat conduction compartment 11 is to be located at heat storage and partition wall, insulation cladding
Space between body；Partition wall 17 be stop each heating compartment 7 between air circulation barrier, be made of heating resisting metal material；
The heat circulating system includes circulation canal and the heat exchanger 8, the frequency conversion fan 9 that are arranged on circulation canal.
Above-mentioned circulation canal be connected to insulation shell 1, heat exchanger 8, heating compartment 7, heat storage 2, heat conduction compartment 11,
The pipeline that the metal or heat proof material set between frequency conversion fan 9 for hot-air sealing and circulating is constituted；The pipeline point upper pipe 6
And bottom pipe 14；Upper pipe 6 is located at heat exchanger high temperature side on one side, is made of the metal for being resistant to 850 DEG C of air themperatures；
And bottom pipe 14 is located at heat exchanger low temperature side on one side, it is made of hot-rolling metal thin plate；
Structure is installed as follows：Insulation shell 1 is installed on heat insulation basis 10, twice are set in insulation shell 1 first
The inner side of insulation shell 1 is divided into three parts by partition wall 17.In the inner side of insulation shell 1 and the both sides of partition wall 17,6 heat storages 2 are set altogether.
The weight of heat storage 2, volume, height, width, regenerator temperature are determined by the operating voltage of apparatus of the present invention, heat storage capacity requirement.
As the heat storage in device store 10000 degree electricity weight want 60 tons to 100 tons, volume want 15 cubic metres to 25 cubes
Rice；6 meters to 15 meters of the height of heat storage 2 of the present invention, 0.5 meter to 3 meters of width, regenerator temperature are less than 850 degrees Celsius.In heat storage 2
The heat conduction compartment 11 of 100 to 300 mm wides is set between partition wall 17, the inner side of insulation shell 1.The heat storage 2 of the both sides of partition wall 17
Implement to lead under the premise of the stop air circulation barrier properties of partition wall 17 are not destroyed every six to 20 layers in layering building process
Draw, improve the mounting stability of heat storage 2.The resistance heater group being formed by connecting by heating unit 3 through horizontal series is arranged on two
Between individual heat storage 2 in the heating compartment 7 of four meters to ten meters of width.The platform area of stratie 3 is installed according to device
Depending on heating power, general power density is not more than 2000kW/ ㎡.After upper pipe 6 is tightly connected with the high temperature side of heat exchanger 8
In the space for being arranged on the inner side of insulation shell 1 and the top of top plate 12.Inlet scoop is set when upper pipe 6 is by heat conduction compartment 11
13, the heat energy suction upper pipe 6 for discharging heat storage 2 in heat conduction compartment 11 is delivered to heat exchanger 8 and done work.Frequency conversion wind
Machine 9 is the power of heat circulating system, and the Cryogenic air after cooling sends into bottom pipe 14 under its driving, is located at bottom pipe 14
On air outlet 18 equably the Cryogenic air after cooling be sent in three heating compartments 7 complete exothermic process.Bottom pipe
Rectangle insulation building block 4, plate shaped insulation building block 5 during 14 installation through electrical resistor heating element mesa base.The thermal cycle
System includes being arranged on the circulation canal outside insulation shell, and heat exchanger 8, the frequency conversion fan being arranged on circulation canal
9。
Claims (6)
1. a kind of solid electric heat-storage device, it include insulation shell, resistance heater group, heating compartment, heat storage, heat conduction every
Between, partition wall, heat circulating system, foundation structure and control system, it is characterised in that：Described heating compartment is the internal electricity installed
Hinder insulating space of the heater group in 66kV~500kV voltage class power works；Resistance heater group is by several electricity
Resistance heating unit horizontal series are formed by connecting；Electrical resistor heating element by insulated platform and on insulated platform through string, simultaneously
The stratie composition of tie；Heat storage is to be located at heating compartment both sides, using the heat-resisting and resistance to of inorganic heat-storing material
Corrode the parallel wall of shape accumulation of heat concrete block masonry；Built during accumulation of heat body construction with heat insulation basis for starting point with accumulation of heat
Block is built by laying bricks or stones for layers of material, and odd-level, even level are vertically put, and the gap of blowing air is left between accumulation of heat building block；Heat conduction compartment
It is the space being located between heat storage and partition wall, insulation shell；Partition wall be stop each heating compartment between air circulation screen
Barrier, is made of heating resisting metal；The heat circulating system include circulation canal and be arranged on circulation canal heat exchanger,
Frequency conversion fan.
2. solid electric heat-storage device according to claim 1, it is characterised in that：Described insulated platform be by refractory brick,
The rectangle insulation building block that ceramics are made and the plate shaped insulation building block that glass is made are glued with heat-insulated, high temperature resistant, insulated combination agent
Connect to build by laying bricks or stones and form.
3. solid electric heat-storage device according to claim 1, it is characterised in that：Described stratie is with heat-resisting
Heating wire, electric heating piece or the electrothermal tube high temperature resistance material of insulating materials support.
4. solid electric heat-storage device according to claim 1, it is characterised in that：Described inorganic heat-storing material includes two
Kind, a kind of is the refractory brick without phase-change characteristic, in the accumulation of heat building block being made of " C " type heating resisting metal section bar；Separately
A kind of is that operating temperature has the salt of phase-transition heat-storage characteristic, a bases material balk cargo below 850 DEG C, and can be filling with resistance to
Hot and resistance to salt, bases corrosion shape are made in the closed accumulation of heat building block with humidity discharging stomata.
5. solid electric heat-storage device according to claim 1, it is characterised in that：Described circulation canal is to be connected to insulation
The metal set between housing, heat exchanger, heating compartment, heat storage, heat conduction compartment, frequency conversion fan for hot-air sealing and circulating
Or the pipeline that heat proof material is constituted；The pipeline point upper pipe, bottom pipe；Upper pipe is located at heat exchanger high temperature side one
Side, with the metal material for being resistant to 850 DEG C of air themperatures；Bottom pipe is located at heat exchanger low temperature side on one side, uses hot-rolling metal
Thin plate is made.
6. solid electric heat-storage device according to claim 1, it is characterised in that：Described control system is to complete hot stored electric
Source and heat management control, using PLC as the intelligent controller of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253185.6A CN105806117B (en) | 2016-04-22 | 2016-04-22 | A kind of solid electric heat-storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253185.6A CN105806117B (en) | 2016-04-22 | 2016-04-22 | A kind of solid electric heat-storage device |
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| CN105806117A CN105806117A (en) | 2016-07-27 |
| CN105806117B true CN105806117B (en) | 2017-09-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107606981B (en) * | 2017-10-18 | 2019-03-19 | 烟台卓越新能源科技股份有限公司 | High voltage solid heat storage equipment and accumulation of heat control method |
| CN110631257A (en) * | 2019-10-05 | 2019-12-31 | 沈阳世杰电器有限公司 | Solid electric heat storage system with heat storage body provided with separation layer |
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|---|---|---|---|---|
| DE1454256B2 (en) * | 1963-09-26 | 1972-02-24 | Albright & Wilson (Mfg.) Ltd., Oldbury, Warwickshire (Grossbritannien) | USE OF FERROPHOSPHORUS TO MANUFACTURE ACCUMULATOR CORES FOR HEAT TANK AND HEAT EXCHANGER |
| FR2485702A1 (en) * | 1980-06-25 | 1981-12-31 | Alexandroff Georges | Underground heat storage tank - uses array of large buried concrete cylinders to hold working fluid which is heated by low grade heat |
| CN101876460A (en) * | 2010-05-20 | 2010-11-03 | 江苏辉煌太阳能股份有限公司 | Thermal storage and energy accumulation conversion device |
| CN102635944A (en) * | 2012-05-22 | 2012-08-15 | 朱建新 | Ultra-high voltage electric heat energy storage device |
| CN103743098A (en) * | 2014-01-15 | 2014-04-23 | 朱建新 | Efficient solid electric thermal storage boiler |
| CN204495061U (en) * | 2015-02-16 | 2015-07-22 | 朱建新 | High-temp solid electric heating energy-storage stove |
| CN205027183U (en) * | 2015-09-10 | 2016-02-10 | 中国华能集团清洁能源技术研究院有限公司 | Use solid heat accumulation device at solar thermal power generation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120285442A1 (en) * | 2011-05-13 | 2012-11-15 | Tseng-Tung Hung | Heat storage device |
-
2016
- 2016-04-22 CN CN201610253185.6A patent/CN105806117B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1454256B2 (en) * | 1963-09-26 | 1972-02-24 | Albright & Wilson (Mfg.) Ltd., Oldbury, Warwickshire (Grossbritannien) | USE OF FERROPHOSPHORUS TO MANUFACTURE ACCUMULATOR CORES FOR HEAT TANK AND HEAT EXCHANGER |
| FR2485702A1 (en) * | 1980-06-25 | 1981-12-31 | Alexandroff Georges | Underground heat storage tank - uses array of large buried concrete cylinders to hold working fluid which is heated by low grade heat |
| CN101876460A (en) * | 2010-05-20 | 2010-11-03 | 江苏辉煌太阳能股份有限公司 | Thermal storage and energy accumulation conversion device |
| CN102635944A (en) * | 2012-05-22 | 2012-08-15 | 朱建新 | Ultra-high voltage electric heat energy storage device |
| CN103743098A (en) * | 2014-01-15 | 2014-04-23 | 朱建新 | Efficient solid electric thermal storage boiler |
| CN204495061U (en) * | 2015-02-16 | 2015-07-22 | 朱建新 | High-temp solid electric heating energy-storage stove |
| CN205027183U (en) * | 2015-09-10 | 2016-02-10 | 中国华能集团清洁能源技术研究院有限公司 | Use solid heat accumulation device at solar thermal power generation system |
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| CN105806117A (en) | 2016-07-27 |
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Effective date of registration: 20181212 Address after: 110169 No. 15-5 Hunnan East Road, Hunnan New District, Shenyang City, Liaoning Province (Shijie Electrical Appliances) Patentee after: Shenyang Signjammer Ltd. Address before: 110169 No. 15-5 East Road, Hunnan New District, Shenyang City, Liaoning Province Patentee before: Zhu Jianxin |
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