CN105806117A - Solid electric heat accumulation device - Google Patents
Solid electric heat accumulation device Download PDFInfo
- Publication number
- CN105806117A CN105806117A CN201610253185.6A CN201610253185A CN105806117A CN 105806117 A CN105806117 A CN 105806117A CN 201610253185 A CN201610253185 A CN 201610253185A CN 105806117 A CN105806117 A CN 105806117A
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- CN
- China
- Prior art keywords
- heat
- heating
- accumulation
- insulation
- storage
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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
- 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
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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
- Y02E60/14—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 solid electric heat accumulation device comprises a resistance heater set, heating intervals, heat accumulators, heat conduction intervals and a heat circulation system. The solid electric heat accumulation device is technically characterized in that the heating intervals are insulating spaces formed when the internally-arranged resistance heater set works at the voltage level of 66 kV-500 Kv; the resistance heater set is formed by horizontally connecting a plurality of resistance heating units in series; each resistance heating unit is composed of an insulating platform and a resistance heating element arranged on the insulating platform and passing through a series and parallel connection line; the heat accumulators are parallel walls arranged on the two sides of each heating interval and constructed through heat-resisting and corrosion-resisting metal sectional bar heat accumulation building blocks internally provided with inorganic heat accumulation materials; the heat accumulators are constructed in a layering manner with a heat-resisting heat-preserving foundation as a start point and with the heat accumulation building blocks as materials, odd-number layers and even-number layers are vertically arranged, and gaps for air ventilation are reserved between the heat accumulation building blocks; the heat conduction intervals are spaces arranged between the heat accumulators and partition walls and between the heat accumulators and an heat-preserving shell; and the partition walls are barriers blocking air circulation among the heating intervals and are made of heat-resisting metal.
Description
Technical field
The present invention relates to a kind of electricity accumulation of heat art, specifically a kind of solid electric heat-storage device directly powered by 66kV～500kV electric pressure.This invention can convert electric energy to thermal energy storage and can control hot water, hot blast, steam output in solid heat storage body.
Background technology
The patent of invention that the applicant applied for on 04 07th, 2016, number of patent application is: " solid electric heat-storage device " of 201610212044.X is under the environment that more than 66kV voltage accesses, although than the applicant's number of patent application on May 22nd, 2012 being:ZL201210159123.0" ultra-high voltage electric heat energy storage device " in " in heat storage, array installs the solid electric heat-storage device of heating wire " technology of adopting, it is possible to reduce equipment volume, reduce heating partial insulation costs, it is to avoid heat storage is charged.And the phase-change material of metal and non-electrical insulation can be used to do heat storage, it is left out the insulating requirements of heat storage.Than magnesium oxide, alumina sintering heat storage heat-transfer rate sooner, especially require high-power accumulation of heat, the equipment advantage of heat release becomes apparent from.But, owing to its structural volume is relatively big, spatial altitude is subjected to limitation.Because the height that " heat storage " of " solid electric heat-storage device " is arranged on " bearing wall " device above is higher so that some fabricating yard 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.
Summary of the invention
It is an object of the invention to provide a kind of solid electric heat-storage device for above-mentioned Problems existing, first insulation shell is installed on the heat-resisting basis of horizontal plane, then resistance heater group and heat storage are mounted side by side on the heat-resisting basis in insulation shell, the heat energy that resistance heater group sends is made to be stored in heat storage by hot-air convection conduction, with the heat circulating system being arranged on outside insulation shell, the heat energy in heat storage in insulation shell is made hot water, hot blast, steam export to heat user.
The present invention seeks to 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, base structure and control system, it is characterised in that: described heating compartment is the internally installed resistance heater group insulating space when 66kV～500kV electric pressure power work；Resistance heater group is to be formed by connecting by several electrical resistor heating element horizontal series；Electrical resistor heating element is by insulated platform and is arranged on insulated platform and forms through the stratie of series and parallel wiring；Heat storage is to be located at heating compartment both sides, adopts the parallel body of wall of the heat-resisting of inorganic heat-storing material and corrosion resistant metal section bar accumulation of heat concrete block masonry；With heat insulation basis for starting point during heat storage construction, building by laying bricks or stones with accumulation of heat building block for layers of material, odd-level, even level are vertically put, and leave the gap of blowing air between accumulation of heat building block；Heat conduction compartment is the space being located between heat storage and partition wall, insulation shell；Partition wall is to stop the barrier of air circulation between each heating compartment, makes with heating resisting metal；Described heat circulating system includes circulation canal and the heat exchanger being arranged on circulation canal, frequency conversion fan.
The plate shaped insulation building block that the insulation building block of rectangle that described insulated platform is made up of refractory brick, pottery and glass are made forms with heat insulation, high temperature resistant, bonding the building by laying bricks or stones of insulated combination agent.
Described resistive element is the heating wire, electric heating piece or the electrothermal tube high temperature resistance material that support with heat-resistant insulation material.
Described inorganic heat-storing material includes two kinds, a kind of refractory brick being not have phase-change characteristic, is arranged in the accumulation of heat building block that use " C " type heating resisting metal section bar is made；Another kind is that operating temperature has the salt of phase-transition heat-storage characteristic, a bases material balk cargo below 850 DEG C, and can fill make with heat-resisting and resistance to salt, bases corroding metal section bar airtight with in the accumulation of heat building block of humidity discharging pore.
Described circulation canal is attached between insulation shell, heat exchanger, heating compartment, heat storage, heat conduction compartment, frequency conversion fan for the pipeline of the metal of hot-air sealing and circulating setting or heat proof material composition；Described pipeline divides upper pipe, bottom pipe；Upper pipe is located at heat exchanger high temperature side on one side, with the metal material being resistant to 850 DEG C of air themperatures；Bottom pipe is located at heat exchanger low temperature side on one side, makes with hot-rolling metal thin plate.
Described control system has been accumulation of heat power supply and heat management control, with the PLC intelligent controller being core.
The medicine have the advantages that
The solid electric heat-storage device of the present invention, owing to heat storage being set directly on heat insulation basis, greatly reduce the setting height(from bottom) of heat storage, therefore under the environment that more than 66kV voltage accesses, Billy's prior art, device setting height(from bottom) can be reduced, when meeting identical shock strength and requiring, infrastructure investment can be saved.Ratio prior art, middle unsettled cross-arm " heat storage " mechanical resistance hot strength on bearing wall is much smaller, it is not necessary to doing heat storage with high chrome, although volume increases to some extent, manufacturing cost and stability improve.The present invention can use the phase-change material of metal and non-electrical insulation to do heat storage, is left out the insulating requirements of heat storage.Than magnesium oxide, alumina sintering heat storage heat-transfer rate sooner, especially require high-power accumulation of heat, the equipment advantage of heat release becomes apparent from.The present invention is especially suitable for thermal power plant's generating set heat accumulating type peak regulation, wind field generating set heat accumulating type peak regulation, solar power system heat accumulating type peak regulation, the low valley period power accumulation of heat balance electrical network of electrical network.This device can as high-power accumulation of heat industrial heat resources, it is also possible to as accumulation of heat in winter heating source.
Accompanying drawing explanation
Fig. 1 is the solid electric heat-storage device structure chart of the present invention；
Fig. 2 is the solid electric heat-storage device heat circulating system structure chart of the present invention；
Fig. 3 is the A-A sectional view in Fig. 1 of the present invention.
Critical piece in accompanying drawing illustrates: 1, 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 insulation basis, 11, heat conduction compartment, 12, top board, 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 the following example example therein that is only the present invention, not representing the rights protection scope that the present invention limits, the scope of the present invention is as the criterion with claims.
Detailed description of the invention
Embodiment 1
As shown in Figures 1 to 3, the primary structure of this solid electric heat-storage device includes: insulation shell 1, resistance heater group, heating compartment 7, heat storage 2, heat conduction compartment 11, partition wall 17, heat circulating system, base structure and control system: described heating compartment is the internally installed resistance heater group insulating space when 66kV～500kV electric pressure power work；Resistance heater group is to be formed by connecting by several electrical resistor heating element horizontal series；Electrical resistor heating element is by insulated platform and be arranged on insulated platform and form through the stratie of series and parallel wiring, and rectangle insulation building block 4 that this insulated platform is made up of refractory brick, pottery and the plate shaped insulation building block 5 that glass is made form with heat insulation, high temperature resistant, bonding the building by laying bricks or stones of insulated combination agent；Heat storage 2 is to be located at heating compartment 7 both sides, adopts the parallel body of wall of the heat-resisting of inorganic heat-storing material and corrosion resistant metal section bar accumulation of heat concrete block masonry；With heat insulation basis 10 for starting point when heat storage 2 is constructed, building by laying bricks or stones with accumulation of heat building block for layers of material, odd-level, even level are vertically put, and leave the gap of blowing air between accumulation of heat building block；Heat conduction compartment 11 is the space being located between heat storage and partition wall, insulation shell；Partition wall 17 is to stop the barrier of air circulation between each heating compartment 7, makes with heating resisting metal material；Described heat circulating system includes circulation canal and the heat exchanger 8 being arranged on circulation canal, frequency conversion fan 9.
Above-mentioned circulation canal is attached between insulation shell 1, heat exchanger 8, heating compartment 7, heat storage 2, heat conduction compartment 11, frequency conversion fan 9 for the pipeline of the metal of hot-air sealing and circulating setting or heat proof material composition；This pipeline divides upper pipe 6 and bottom pipe 14；Upper pipe 6 is located at heat exchanger high temperature side on one side, makes with the metal being resistant to 850 DEG C of air themperatures；And bottom pipe 14 is located at heat exchanger low temperature side on one side, make with hot-rolling metal thin plate；
Structure is installed as follows: install insulation shell 1 on heat insulation basis 10, and first arranging twice partition wall 17 in insulation shell 1 will be divided into three parts inside insulation shell 1.Inside insulation shell 1,6 heat storages 2 are set altogether with partition wall 17 both sides.The weight of heat storage 2, volume, highly, width, regenerator temperature determine by the running voltage of apparatus of the present invention, heat storage capacity requirement.Heat storage in device store 10000 degree electric weight want 60 tons to 100 tons, volume want 15 cubic metres to 25 cubic metres；Heat storage 2 of the present invention height 6 meters to 15 meters, width 0.5 meter to 3 meters, regenerator temperature are less than 850 degrees Celsius.The heat conduction compartment 11 of 100 to 300 mm wides is set between inside heat storage 2 and partition wall 17, insulation shell 1.The heat storage 2 of partition wall 17 both sides stops under air flow barrier performance premise enforcement tractive every six to two ten layers not destroying partition wall 17 in layering building process, improves heat storage 2 mounting stability.It is arranged between two heat storages 2 in the heating compartment 7 of width four meters to ten meters by heating unit 3 through the resistance heater group that horizontal series is formed by connecting.The platform area installing stratie 3 is determined according to device heating power, and general power density is not more than 2000kW/.Upper pipe 6 and heat exchanger 8 high temperature side be arranged on after being tightly connected inside insulation shell 1 with in the space on top board 12 top.Arranging inlet scoop 13 when upper pipe 6 is by heat conduction compartment 11, the heat energy suction upper pipe 6 for heat storage 2 is released in heat conduction compartment 11 is delivered to heat exchanger 8 and does work.Frequency conversion fan 9 is the power of heat circulating system, and the Cryogenic air after cooling sends into bottom pipe 14 under it drives, and is located at the air outlet 18 in bottom pipe 14 and the Cryogenic air after cooling is delivered in three heating compartment 7 and complete exothermic process equably.Bottom pipe 14 runs through rectangle insulation building block 4, the plate shaped insulation building block 5 of electrical resistor heating element mesa base when installing.Described heat circulating system includes the circulation canal being arranged on outside insulation shell, and is arranged on the heat exchanger 8 on circulation canal, frequency conversion fan 9.
Claims (6)
1. a solid electric heat-storage device, it includes insulation shell, resistance heater group, heating compartment, heat storage, heat conduction compartment, partition wall, heat circulating system, base structure and control system, it is characterised in that: described heating compartment is the internally installed resistance heater group insulating space when 66kV～500kV electric pressure power work；Resistance heater group is to be formed by connecting by several electrical resistor heating element horizontal series；Electrical resistor heating element is by insulated platform and is arranged on insulated platform and forms through the stratie of series and parallel wiring；Heat storage is to be located at heating compartment both sides, adopts the parallel body of wall of the heat-resisting of inorganic heat-storing material and corrosion resistant metal section bar accumulation of heat concrete block masonry；With heat insulation basis for starting point during heat storage construction, building by laying bricks or stones with accumulation of heat building block for layers of material, odd-level, even level are vertically put, and leave the gap of blowing air between accumulation of heat building block；Heat conduction compartment is the space being located between heat storage and partition wall, insulation shell；Partition wall is to stop the barrier of air circulation between each heating compartment, makes with heating resisting metal；Described heat circulating system includes circulation canal and the heat exchanger being arranged on circulation canal, frequency conversion fan.
2. solid electric heat-storage device according to claim 1, it is characterised in that: the plate shaped insulation building block that the insulation building block of rectangle that described insulated platform is made up of refractory brick, pottery and glass are made forms with heat insulation, high temperature resistant, bonding the building by laying bricks or stones of insulated combination agent.
3. solid electric heat-storage device according to claim 1, it is characterised in that: described resistive element is the heating wire, electric heating piece or the electrothermal tube high temperature resistance material that support with heat-resistant insulation material.
4. solid electric heat-storage device according to claim 1, it is characterised in that: described inorganic heat-storing material includes two kinds, a kind of refractory brick being not have phase-change characteristic, is arranged in the accumulation of heat building block that use " C " type heating resisting metal section bar is made；Another kind is that operating temperature has the salt of phase-transition heat-storage characteristic, a bases material balk cargo below 850 DEG C, and can fill make with heat-resisting and resistance to salt, bases corroding metal section bar airtight with in the accumulation of heat building block of humidity discharging pore.
5. solid electric heat-storage device according to claim 1, it is characterised in that: described circulation canal is attached between insulation shell, heat exchanger, heating compartment, heat storage, heat conduction compartment, frequency conversion fan for the pipeline of the metal of hot-air sealing and circulating setting or heat proof material composition；Described pipeline divides upper pipe, bottom pipe；Upper pipe is located at heat exchanger high temperature side on one side, with the metal material being resistant to 850 DEG C of air themperatures；Bottom pipe is located at heat exchanger low temperature side on one side, makes with hot-rolling metal thin plate.
6. solid electric heat-storage device according to claim 1, it is characterised in that: described control system has been accumulation of heat power supply and heat management control, with the PLC intelligent controller being 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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| Publication Number | Publication Date |
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| CN105806117A true CN105806117A (en) | 2016-07-27 |
| CN105806117B CN105806117B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610253185.6A Active CN105806117B (en) | 2016-04-22 | 2016-04-22 | A kind of solid electric heat-storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606981A (en) * | 2017-10-18 | 2018-01-19 | 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 |
| US20120285442A1 (en) * | 2011-05-13 | 2012-11-15 | Tseng-Tung Hung | Heat 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 |
-
2016
- 2016-04-22 CN CN201610253185.6A patent/CN105806117B/en active Active
Patent Citations (8)
| 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 |
| US20120285442A1 (en) * | 2011-05-13 | 2012-11-15 | Tseng-Tung Hung | Heat storage 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606981A (en) * | 2017-10-18 | 2018-01-19 | 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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| Publication number | Publication date |
|---|---|
| CN105806117B (en) | 2017-09-29 |
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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 |