CN101329137A - Thermal storage type electric power baking box - Google Patents
Thermal storage type electric power baking box Download PDFInfo
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- CN101329137A CN101329137A CNA2008101168127A CN200810116812A CN101329137A CN 101329137 A CN101329137 A CN 101329137A CN A2008101168127 A CNA2008101168127 A CN A2008101168127A CN 200810116812 A CN200810116812 A CN 200810116812A CN 101329137 A CN101329137 A CN 101329137A
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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
Abstract
The invention relates to an electric oven, in particular to a heat-accumulating electric oven which comprises an oven body. An insulating course is arranged outside the oven body, the inner side of the oven body is separated into two parts with the upper half part being a working region and the lower half part being a heat accumulating region, the lower half part comprises a plurality of heat-preserving devices, each of which comprises a refractory corrosion-resistant container, an expansion chamber and an electric heating rod, the expansion chamber and the refractory corrosion-resistant container are communicated, a phase change heat-accumulating material is arranged inside the refractory corrosion-resistant container, and the electric heating rod is embedded in the phase change heat-accumulating material. A resistance wire heating plate is arranged at the upper part of the refractory corrosion-resistant container, and an air inletting fan and an air exhausting fan are arranged at the two sides of the resistance wire heating plate and used for connecting the upper and lower parts. An automatic temperature controlling system is arranged on the outer surface of the oven body and has a plurality of temperature sampling points that are arranged in the working region at the upper part of the oven body. The heat-accumulating electric oven can accumulate a large amount of heat energy during an electricity off-peak period at night, and does not consume electricity and utilizes the stored heat energy for convenient working during an electricity peak period.
Description
Technical field
The present invention relates to a kind of electric power baking box, particularly a kind of thermal storage type electric power baking box.
Background technology
The national economy fast development causes electricity needs to increase fast, and some areas power supply shortage has become a bottleneck of the national economic development.2003, annual whole society power consumption reached 18,840 hundred million kilowatt hours.2004, it is very little that existing generating equipment utilizes hourage to increase the space, even after considering newly-increased capacity of installed generator, China's supply of electric power total amount and total demand still have bigger breach.Simultaneously, be becoming tight owing to electric coal supply; The part reservoir level is lower; Power grid construction lags behind, and there is the phenomenon of seizing by the throat in the part transmission and distribution network; Add that water is gentle gentle in certain uncertain factor etc., national electricity supply and demand situation will be nervous more in 2004.For alleviating imbalance of supply and demand, a collection of new power plant construction is just stepping up to build, but the network load peak-valley difference also will further widen.For solving this contradiction, various places government puts into effect peak valley electricity price difference policy in succession, encourages to utilize the low-valley interval grid power.And electric heat storage technology stores low-valley interval electric power, for using peak period, is an effective technological approaches.
With the coating industry is example, and well-known, coating industry is the commercial power rich and influential family, and its electric power baking equipment is operation continuously in 24 hours basically, is called electricity-eating tiger by the insider.A little factory that has ten electric power baking equipment is calculated by annual production continuously, the about 65.7 ten thousand degree electricity of its year power consumption, year electricity charge about 440,000.If adopt electric heat storage technology, the low ebb electricity is stored, for using peak period, year electricity charge are about 200,000, Spring Festival holidays province's electricity charge 54%.
Existing electric oven has only apparatus for baking, and does not have regenerative apparatus, the electric energy of low ebb electricity period can not be transformed into thermal energy storage, and the electricity period uses at the peak, has increased the load of peak electricity period electrical network.
Summary of the invention
The object of the present invention is to provide a kind of can accumulation of heat when the low power consumption electricity price is cheap, when need of work with heat thermal storage type electric power baking box easily.
To achieve these goals, the present invention has taked following technical scheme.Thermal storage type electric power baking box comprises a casing, and the casing outer setting has heat-insulation layer, and box house is divided into two parts up and down, and the first half is the workspace, and the tank wall on top, workspace is provided with exhaust outlet.The latter half is a heat-accumulating area, include some regenerative apparatuses, each regenerative apparatus all comprises corrosion-and high-temp-resistant container, expanding chamber and electrically heated rod, described expanding chamber is connected with the corrosion-and high-temp-resistant container, be provided with phase change heat storage material in the described corrosion-and high-temp-resistant container, electrically heated rod is embedded in the phase change heat storage material and with automatic temperature control system and is connected.The top of corrosion-and high-temp-resistant container is provided with the resistance wire heating plate, and the both sides of resistance wire heating plate are provided with and are communicated with two-part supply fan and extraction fan up and down.Automatic temperature control system is arranged on the outer surface of described casing, and its plurality of temperature induction point is arranged on the workspace of casing middle and upper part.
The latter half at casing also is provided with metallic plate, and the outer surface of each regenerative apparatus all contacts with metallic plate.
Also include several and be arranged on resistance wire dish casing the latter half, that an end is connected with metallic plate, the other end is connected with automatic temperature control system.
Described corrosion-and high-temp-resistant container is made by titanium alloy material or pottery.
Described phase change heat storage material is a metal alloy compositions, and its fusing point is 60～300 ℃.
Described phase change heat storage material is the fuse salt material, and its fusing point is 60～300 ℃.
Described resistance wire heating plate comprises micarex and the resistance wire that is embedded on the micarex, and resistance wire links to each other with automatic temperature control system.
Described electric heater is an Elema.
Described electrically heated rod is a resistance wire overcoat titanium alloy tube, scribbles electric insulation layer on the titanium alloy tube wall.
Described corrosion-and high-temp-resistant external container is provided with heat-insulation layer.
When regenerative apparatus stored heat, under the effect of electric heater, phase-change material stored heat by the solid-state liquid state that becomes, and when becoming liquid state, its volume increases phase-change material by solid-state, and the partial phase change material enters expanding chamber.In the time of the regenerative apparatus release heat, phase-change material is become solid-state by liquid state, thereby emits heat.
Phase transition heat accumulation unit among the present invention can by electrical heating, undergo phase transition material when the paddy electricity period, with thermal energy storage in phase change device., when emitting heat for baking box work, regenerative apparatus uses during the period at the peak electricity.Thereby bring economic benefit to the user, the shortage of electric power situation of alleviation peak electricity period that simultaneously can part.
Description of drawings
Fig. 1 is the structural representation of thermal storage type electric power baking box of the present invention;
Fig. 2 is the structural representation of regenerative apparatus;
Fig. 3 is the schematic diagram of automatic control system;
Fig. 4 (a) is structural representation Fig. 1 of electrically heated rod 8
Fig. 4 (b) is structural representation Fig. 2 of electrically heated rod 8
Fig. 5 is the structural representation of resistance wire dish
Among the figure: 1, exhaust outlet, 2, external thermal insulation, 3, base plate, 4, the resistance wire heating plate, 5, supply fan, 6, expanding chamber, 7, the corrosion-and high-temp-resistant container, 8, electrically heated rod, 9, phase change heat storage material, 10, extraction fan, 11, sampled point, 12, temperature controlled shroud; 13, metallic plate; 14, resistance wire dish; 15, relay; 16, temperature signal line; 17, lead.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Thermal storage type electric power baking box in the present embodiment, adopt the accumulation of heat of night dip electrical heating phase change heat storage material, be used for baking by the heat-storing material heat release daytime, its concrete structure as shown in Figure 1, comprise a casing of being made by metallic plate, casing is laid with heat-insulation layer 2 outward, and box house is divided into two parts up and down, the first half is the workspace, and the latter half is the regenerative apparatus district.The casing on top, workspace is provided with an exhaust outlet 1, the smog that produces at work can be discharged the workspace.The regenerative apparatus district of the latter half includes some regenerative apparatuses, and each regenerative apparatus comprises corrosion-and high-temp-resistant container 7, expanding chamber 6, electrically heated rod 8 and phase change heat storage material 9.Phase change heat storage material 9 is contained in the inside of corrosion-and high-temp-resistant container 7, the inside of phase change heat storage material 9 is embedded with electrically heated rod 8, corrosion-and high-temp-resistant container 7 sides are provided with coupled logical expanding chamber 6, and the outside of corrosion-and high-temp-resistant container 7 is laid with heat-insulation layer.The top of corrosion-and high-temp-resistant container 7 is provided with resistance wire heating plate 4, and supply fan 5 and extraction fan 10 are equipped with in the both sides of resistance wire heating plate 4, and two parts up and down of casing are connected by supply fan 5 and extraction fan 10.Base plate 3 is equipped with on the top of resistance wire heating plate 4, and the top of base plate 3 is operation interval, and inside, workspace is provided with some temperature sampling points 11, and temperature sampling point 11 links to each other with automatic temperature control system 12, is used to control the temperature of workspace, reaches the purpose of samming.
As shown in Figure 2, also be provided with metallic plate 13 and resistance wire dish 14 in the latter half of casing, the outer surface of each regenerative apparatus all contacts with metallic plate 13, so that its heat release is even.Resistance wire dish 14 1 ends are connected with metallic plate 13, the other end is connected with automatic temperature control system, and when accumulation of heat deficiency or limit accumulation of heat edge work (baking), resistance wire is folded the effect of auxiliary heating.
In the present embodiment, corrosion-and high-temp-resistant container 7 adopts titanium alloy material or pottery to make, and also can adopt the material of other corrosion-and high-temp-resistant, as graphite-pipe.
Electrically heated rod 8 in this embodiment is that Elema is put into titanium alloy tube (shown in Fig. 4 (a)), scribbles electrically insulating material on the titanium alloy tube wall and insulate with the phase-change material with the outside, avoids short circuit, damages device.Electrically heated rod 8 also can be a form of resistance wire being put into titanium alloy tube, shown in Fig. 4 (b).
Resistance wire heating plate 4 in the present embodiment comprises resistance wire and micarex.Resistance wire is embedded on the micarex, the resistance wire heating in this structure, and by the micarex insulation, high temperature silk or screw outlet, temperature is even, thermal efficiency height.
Phase change heat storage material in the present embodiment is a metal alloy compositions, and its fusing point is 60～300 ℃.Also can be that its fusing point is 60～300 ℃ a fuse salt material.
During device work of the present invention, regenerative apparatus is arranged on the low power consumption phase starts and operation, can makes full use of the paddy electricity like this, save the peak.After electrically heated rod 8 was connected power supply, the heat that resistance wire produces passed to phase change heat storage material by the mode of heat conduction, and phase change heat storage material becomes liquid by solid after absorbing heat.Heat is stored, and after heat-storing material all melted, automatic temperature control system control electrically heated rod 8 stopped heating.At this moment heat stores in the mode of heat-storing material melting temperature latent heat.The electricity consumption peak is during the phase by day, and the heat that stores imports the workspace into by convection current and two kinds of heat exchange modes of radiation and is used effectively.Thereby the reduction electric cost, part is alleviated the situation of peak times of power consumption power tense.
Present embodiment is provided with the automatic temperature control system display screen at baking box front outer surface.Be the uniformity of spatial temperature distribution in the guard box, spatially be provided with six temperature sensors altogether down,, regulate and control the hot gas stream, reach the purpose of samming according to the reading of six temperature sensors.A large amount of phase-change material that the latter half is provided with, utilize a large amount of heat energy of principle storage of material phase transformation in the night dip electricity consumption period, and the peak of power consumption period by day, also be electricity price than the higher period, utilize the principle of material phase transformation to discharge a large amount of heats equally and be used for work.This meets the policy of national peak load shifting, and also the department for generating and transmission of electric energy has alleviated operating pressure.Also alleviated simultaneously user's financial burden.The both sides of resistance wire heating plate are equipped with supply fan 5 and extraction fan 10, and these two fans are provided with as the heat convection that strengthens air and regenerative apparatus.The air of workspace behind supply fan 5 with regenerative apparatus generation heat exchange, and enter the workspace by the swabbing action of extraction fan 10.The present invention is simple in structure, efficiency of heating surface height, and accumulation of heat is effective, has vast market prospect as a kind of novel thermal storage type electric power baking box.
The above only is a preferred implementation of the present invention.For a person skilled in the art, can also make a lot of modification and improvement, but these modification and improvement all will fall into protection scope of the present invention according to essence of the present invention.
Claims (10)
1, thermal storage type electric power baking box comprises a casing, and the casing outer setting has heat-insulation layer (2); It is characterized in that: box house is divided into two parts up and down, and the first half is the workspace, and the tank wall on top, workspace is provided with exhaust outlet (1); The latter half is a heat-accumulating area, include some regenerative apparatuses, each regenerative apparatus all comprises corrosion-and high-temp-resistant container (7), expanding chamber (6) and electrically heated rod (8), described expanding chamber (6) is connected with corrosion-and high-temp-resistant container (7), phase change heat storage material (9) is arranged in the described corrosion-and high-temp-resistant container (7), and electrically heated rod (8) is embedded in the phase change heat storage material (9); The top of corrosion-and high-temp-resistant container (7) is provided with resistance wire heating plate (4), and the both sides of resistance wire heating plate (4) are provided with and are communicated with two-part supply fan (5) and extraction fan (10) up and down; One automatic temperature control system (12) is arranged on the outer surface of described casing, and its plurality of temperature sampling (11) point is arranged on the workspace of casing middle and upper part.
2, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: the latter half at casing also is provided with metallic plate (13), and the outer surface of each regenerative apparatus all contacts with metallic plate (13).
3, thermal storage type electric power baking box as claimed in claim 2 is characterized in that: also include several and be arranged on resistance wire dish (14) casing the latter half, that an end is connected with metallic plate (13), the other end is connected with automatic temperature control system (12).
4, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: described corrosion-and high-temp-resistant container (7) is made by titanium alloy material or pottery.
5, thermal storage type electric power baking box as claimed in claim 1 or 2 is characterized in that: described phase change heat storage material (9) is that fusing point is 60～300 ℃ a metal alloy compositions.
6, thermal storage type electric power baking box as claimed in claim 1 or 2 is characterized in that: described phase change heat storage material (9) is that fusing point is 60～300 ℃ a fuse salt material.
7, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: described resistance wire heating plate (4) comprises micarex and the resistance wire that is embedded on the micarex, and resistance wire links to each other with automatic temperature control system (12).
8, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: described electrically heated rod (8) is an Elema.
9, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: described electrically heated rod (8) is a resistance wire overcoat titanium alloy tube, scribbles electric insulation layer on the titanium alloy tube wall.
10, thermal storage type electric power baking box as claimed in claim 1 is characterized in that: described corrosion-and high-temp-resistant container (7) outer setting has heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101168127A CN101329137A (en) | 2008-07-18 | 2008-07-18 | Thermal storage type electric power baking box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101168127A CN101329137A (en) | 2008-07-18 | 2008-07-18 | Thermal storage type electric power baking box |
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| CN101329137A true CN101329137A (en) | 2008-12-24 |
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| CNA2008101168127A Pending CN101329137A (en) | 2008-07-18 | 2008-07-18 | Thermal storage type electric power baking box |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012032083A1 (en) * | 2010-09-08 | 2012-03-15 | Arcelik Anonim Sirketi | An oven comprising a warmer compartment |
| CN102419604A (en) * | 2011-11-23 | 2012-04-18 | 河南省电力公司南阳供电公司 | Special drying box used in electric power system |
| CN101874711B (en) * | 2009-04-28 | 2012-08-22 | 深圳市泰恒兴厨房设备有限公司 | Multifunctional oven |
| CN103759542A (en) * | 2014-02-18 | 2014-04-30 | 朱建新 | Combined type direct-heating resistance furnace |
| CN105674782A (en) * | 2016-03-10 | 2016-06-15 | 祝铭泽 | Solid heat accumulation device |
| WO2016188266A1 (en) * | 2015-05-25 | 2016-12-01 | 京东方科技集团股份有限公司 | Evaporator |
| CN106388632A (en) * | 2016-11-25 | 2017-02-15 | 杨斯涵 | Phase-change heat storage oven |
| CN108456877A (en) * | 2018-03-09 | 2018-08-28 | 广州渡和堂文化有限公司 | A kind of surface treatment method of iron pot |
| WO2021028541A1 (en) | 2019-08-15 | 2021-02-18 | Sunphase As | Electric heated oven with heat-storing capacity |
-
2008
- 2008-07-18 CN CNA2008101168127A patent/CN101329137A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874711B (en) * | 2009-04-28 | 2012-08-22 | 深圳市泰恒兴厨房设备有限公司 | Multifunctional oven |
| WO2012032083A1 (en) * | 2010-09-08 | 2012-03-15 | Arcelik Anonim Sirketi | An oven comprising a warmer compartment |
| CN102419604A (en) * | 2011-11-23 | 2012-04-18 | 河南省电力公司南阳供电公司 | Special drying box used in electric power system |
| CN103759542A (en) * | 2014-02-18 | 2014-04-30 | 朱建新 | Combined type direct-heating resistance furnace |
| CN103759542B (en) * | 2014-02-18 | 2015-12-09 | 朱建新 | Combined vertical thermal resistance stove |
| WO2016188266A1 (en) * | 2015-05-25 | 2016-12-01 | 京东方科技集团股份有限公司 | Evaporator |
| US10407765B2 (en) | 2015-05-25 | 2019-09-10 | Boe Technology Group Co., Ltd. | Evaporation device |
| CN105674782A (en) * | 2016-03-10 | 2016-06-15 | 祝铭泽 | Solid heat accumulation device |
| CN106388632A (en) * | 2016-11-25 | 2017-02-15 | 杨斯涵 | Phase-change heat storage oven |
| CN106388632B (en) * | 2016-11-25 | 2019-01-11 | 杨斯涵 | Phase-transition heat-storage oven |
| CN108456877A (en) * | 2018-03-09 | 2018-08-28 | 广州渡和堂文化有限公司 | A kind of surface treatment method of iron pot |
| WO2021028541A1 (en) | 2019-08-15 | 2021-02-18 | Sunphase As | Electric heated oven with heat-storing capacity |
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Open date: 20081224 |