CN104482646A - Energy-saving explosion-proof water and electricity separating type electric heating tube - Google Patents
Energy-saving explosion-proof water and electricity separating type electric heating tube Download PDFInfo
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- CN104482646A CN104482646A CN201410783845.2A CN201410783845A CN104482646A CN 104482646 A CN104482646 A CN 104482646A CN 201410783845 A CN201410783845 A CN 201410783845A CN 104482646 A CN104482646 A CN 104482646A
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Abstract
The invention relates to an energy-saving explosion-proof water and electricity separating type electric heating tube. The energy-saving explosion-proof water and electricity separating type electric heating tube comprises a quartz glass tube as a matrix, a metal heating film plated on the external surface of the quartz glass tube, explosion-proof purification particles filled in the quart glass tube and a high temperature resistant insulating material covering the outer surface of the metal heating film. According to the energy-saving explosion-proof water and electricity separating type electric heating tube disclosed by the invention, the explosion-proof purification particles are added to the quartz glass tube, on the one hand, a special runner structure is provided for a fluid area in the tube to further realize enhancement of heat transfer and prevent local overheating of the quartz glass tube and the flow instability in the boiling process from happening, and thus the quartz tube is well prevented from cracking; on the other hand, water is purified and the water quality is regulated according to characteristics of water qualities in different areas. In the meantime, the high temperature resistant insulating material covers the outer surface of the metal heating film, so that the heat loss of the electric heating tube is reduced and the energy-saving characteristic is achieved.
Description
Technical field
What the present invention relates to is a kind of technology of articles for daily use field, specifically a kind of energy-saving explosion-proof electricity separation formula electrothermal tube of high heat flux.
Background technology
The heat generating component of heater is one of heater critical component.The heat generating component of high power density can shorten the time that heater boils water greatly, for produce and life provides great convenience.
Traditional heater heating efficiency is lower, as cast aluminium formula heating element, its heat flow density is maximum is about 0.05MW/m
2.At present, on market, the heater power of water dispenser is generally many to 500W not etc. from 100W, and heat flow density is not high, and under existing technical conditions, rated power is the drinking machine heating time of 420W is about 10 minutes.
Some water dispenser existing adopts glass tube as heat generating component, and its heating efficiency is higher, but can produce some destabilizing factors when water being heated to boiling, causes glass tube to break, thus affects the security of water dispenser.Its main technological difficulties are how to form the effective nucleus of boiling on glass tube surface, and this is also how to improve the heating power of heating tube unit are further and ensure the key of its security.
There is a kind of method preventing glass heating tube from breaking when seething with excitement violent in prior art, steel wire or spring is installed additional in glass tube, the method is fitted tightly by self elastic force and heating tube internal face owing to needing to allow steel wire or spring when mounted, glass tube stress is caused to concentrate and reduce its intensity, also can there is elastic failure in long-time use procedure, therefore can not solve the potential safety hazard of boiling booster in essence.Install steel wire or spring additional, Long-Time Service also can cause the adverse consequences such as fouling and chemical attack, affects water quality and water hygiene safety, affects the health of human body.
Through finding the retrieval of prior art, open (bulletin) the day 2010.12.08 of Chinese patent literature N101909371A, discloses a kind of strong-ampere energy-saving explosion-proof electric heater, the media such as heat air, oil, water, improves the temperature of medium.This anti-explosion electric heater is primarily of compositions such as explosion-proof wiring cavity, tube sheet, electrothermal tube, temperature sensor, thermometric pillar, casting resin cylinder, filling powder cylindrical shell, air escape valve seats.Feature is: the mouth of pipe place of electrothermal tube and thermometric pillar is welded on flanged plate respectively; On flanged plate end face, powder cylindrical shell is filled in welding; Filling powder cylindrical shell circle welds air escape valve seat; Filling powder body end surface welds casting resin cylinder; Casting resin cylinder angle head cylindrical welds tube sheet; At the end surface circle welding explosion-proof wiring cavity of tube sheet.Filling the powder of closely filling in powder cylindrical shell and there is insulation, heatproof, heat transfer; Water in casting resin cylinder and completely there is insulation, heatproof, solidifying rear firm resin.Temperature sensor fore-end is without thermometric pillar, and temperature sensor fore-end relevant position is designed, make a Ω shape expansion joint.The present invention has enough securities, and saves electric energy.But this technical pattern is complicated, manufacturing process is many, cannot realize very high heat flow density, and be not suitable for the field being used in instant heater, its filling powder does not possess the improvement runner heat transfer property that explosion-proof purification particle in the present invention has yet, the effect purified water.
Summary of the invention
The present invention is directed to prior art above shortcomings, propose a kind of energy-saving explosion-proof electricity separation formula electrothermal tube.The traditional quartz glass electric heating tube of its heat-flux ratio is enhanced about more than once, and fundamentally solves boiling Pipe breaks, has that volume is little, heating is fast, a feature such as clean, safety.In quartz glass tube, fill explosion-proof purification particle: on the one hand, particle and glass tube surface contact portion can form the effective nucleus of boiling, thoroughly solve glass tube Pipe breaks problem.The flow passage structure formed in glass tube can also suppress the generation of quartz ampoule hot-spot and flow instability in boiling process, greatly can improve the thermal power of unit are; On the other hand, can, according to zones of different water quality characteristic, the filtering particle of unlike material be selected to carry out purifying and regulating water quality.
The present invention is achieved by the following technical solutions, the present invention includes: fill explosion-proof purification particle in matrix quartz glass tube, the METAL HEATING PROCESS film being plated in quartz glass tube outer surface, quartz glass tube and be wrapped in the high-temperature resistant thermal insulating material of METAL HEATING PROCESS film outer surface.
Described electrothermal tube inner fluid area filling has explosion-proof purification particle, and this explosion-proof purification particle is preferably activated carbon granule, quartz particles and/or mineral particle.
The outside of described metal heating thin films is provided with high-temperature insulation heat-insulating material, this high-temperature insulation heat-insulating material preferably polytetrafluoroethylene adhesive tape and glass fabric etc.
Described METAL HEATING PROCESS film two ends are respectively equipped with the electrode for being connected with heating power supply.
The bottom of described electrothermal tube is connected with supply tank by flow control valve, is provided with rubber crossover sub between electrothermal tube and flow control valve.
Be provided with circular stainless steel fine screen mesh between the bottom of described electrothermal tube and rubber crossover sub, leak and blocking pipe under preventing explosion-proof purification particle for the insoluble impurities removed in fluid.
The top of described electrothermal tube is provided with outlet pipe, and this outlet pipe is provided with rubber crossover sub.
Technique effect
Compared with prior art, technique effect of the present invention comprises: overcome the drawback that traditional electrical heat pipe heat flow density is low, solve under high heat flux, electrothermal tube inner ebullition is unstable, the problem that easy generation is broken, by filling explosion-proof purification particle in electrothermal tube, the contact point of this particle and quartz glass tube well can be formed and seethes with excitement the nucleus of boiling and destroy thermal boundary layer, enhanced boiling heat transfer; Reduce cross section of fluid channel circulation area simultaneously, increase rate of flow of fluid, there is the characteristic of fluid bed, thus reduce heat transfer inhomogeneities, augmentation of heat transfer and the reduction boiling two phase flow unstability on quartz ampoule flow area, improve the security of heating element heater; Have employed good electric insulation and insulation and add the function of Water warfare and water quality adjustment, can be used as a core heating element heater that is multi-functional, safety and reliability and be widely used in the fields such as appliance water.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the heater three-dimensional structure diagram of embodiment.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: matrix quartz glass tube 4, be plated in the METAL HEATING PROCESS film 6 of quartz glass tube outer surface and be wrapped in the high-temperature resistant thermal insulating material 11 of METAL HEATING PROCESS film outer surface.
Fluid mass in described matrix quartz glass tube 4 is filled with various explosion-proof purification particle 3, and the contact point of this particle and quartz glass tube well can be formed and seethes with excitement the nucleus of boiling and destroy thermal boundary layer, enhanced boiling heat transfer; Reduce cross section of fluid channel circulation area simultaneously, increase rate of flow of fluid, there is the characteristic of fluid bed, thus the heat transfer inhomogeneities, augmentation of heat transfer and the reduction boiling two phase flow unstability that reduce on quartz ampoule flow area, thus effectively improve conductive heat flow density, and ensure that quartz glass tube can not break.
Described explosion-proof purification particle 3 can be activated carbon granule, quartz particles or mineral particle, has and to purify water and effect of regulating water quality.Such as: as active carbon can the undesirable substance of small molecule structure effectively in adsorbed water and macromolecular structure; Aluminosilicate mineral material has unique ion-exchange capacity, electrostatic attraction and adsorption capacity, screening and catalytic capability, has higher mechanical strength, heat endurance and very strong acid-fast alkali-proof; Medical stone is a kind of natural monzonite class porphyry stone with biological effect and medical function, it contains 18 kinds of trace elements such as the necessary potassium of human body, sodium, calcium, magnesium, phosphorus macroelement and zinc, iron, selenium, copper, strontium, iodine, fluorine, metasilicic acid, there is health care, the function purified water, at typical condition, four kinds of micro-metasilicic acids in medical stone dissolution fluid, Sr, Zn, F content can reach or close to national potable mineral water standard.
The present embodiment adopts high-temperature insulation heat-insulating material to insulate to metal heating thin films 6 and thermal insulation, improves the thermal efficiency of safety in utilization and heater.
2 electrode X at described METAL HEATING PROCESS film 6 two ends, Y, can be connected on heating power supply by wire clamp.
The bottom of described electrothermal tube is connected with flow control valve 8 by a rubber crossover sub 1, and flow control valve entrance point connects supply tank 7.
Be placed with the circular stainless steel fine screen mesh 2 that one deck is very thin between described electrothermal tube bottom and rubber crossover sub, prevent explosion-proof purification particle from leaking and blocking pipe for 3 times for the insoluble impurities removed in fluid.
The top of described electrothermal tube picks out an outlet pipe for user 10 by a rubber crossover sub 5.
In use procedure, connected the heating electrode of electrothermal tube by wire clamp, and the heating that switches on power, control by flow control valve the fluid flow size entering electrothermal tube, user just can immediately obtain boiling water or hot water in water outlet pipe part.
Claims (7)
1. an energy-saving explosion-proof electricity separation formula electrothermal tube, it is characterized in that, comprising: fill explosion-proof purification particle in matrix quartz glass tube, the METAL HEATING PROCESS film being plated in quartz glass tube outer surface, quartz glass tube and be wrapped in the high-temperature resistant thermal insulating material of METAL HEATING PROCESS film outer surface.
2. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, is characterized in that, described electrothermal tube inner fluid area filling has explosion-proof purification particle, and this explosion-proof purification particle is preferably activated carbon granule, quartz particles and/or mineral particle.
3. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, it is characterized in that, the outside of described metal heating thin films is provided with high-temperature insulation heat-insulating material, and this high-temperature insulation heat-insulating material is polytetrafluoroethylene (PTFE) adhesive tape and glass fabric.
4. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, is characterized in that, described METAL HEATING PROCESS film two ends are respectively equipped with the electrode for being connected with heating power supply.
5. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, it is characterized in that, the bottom of described electrothermal tube is connected with supply tank by flow control valve, is provided with rubber crossover sub between electrothermal tube and flow control valve.
6. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, it is characterized in that, be provided with the insoluble impurities for removing in fluid between described electrothermal tube bottom and rubber crossover sub and leak and the circular stainless steel fine screen mesh of blocking pipe under preventing explosion-proof purification particle.
7. energy-saving explosion-proof electricity separation formula electrothermal tube according to claim 1, it is characterized in that, the top of described electrothermal tube is provided with outlet pipe, and this outlet pipe is provided with rubber crossover sub.
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| CN201410783845.2A CN104482646B (en) | 2014-12-16 | 2014-12-16 | Energy-saving explosion-proof water and electricity separating type electric heating tube |
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| CN201410783845.2A CN104482646B (en) | 2014-12-16 | 2014-12-16 | Energy-saving explosion-proof water and electricity separating type electric heating tube |
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| CN104482646B CN104482646B (en) | 2017-03-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526513A (en) * | 1991-07-17 | 1993-02-02 | Matsushita Electric Ind Co Ltd | Electric hot air device |
| CN202524577U (en) * | 2012-04-01 | 2012-11-07 | 常熟市海晟电器有限公司 | Water-electricity-separated carbon fiber heating device |
| CN102815037A (en) * | 2012-08-23 | 2012-12-12 | 合肥工业大学 | Intelligent bulletproof and explosionproof composite material |
| CN103976651A (en) * | 2014-01-14 | 2014-08-13 | 宁波金阳光电热科技有限公司 | Quartz heating tube with explosion-proof body and high heat transfer factor |
| CN204421317U (en) * | 2014-12-16 | 2015-06-24 | 上海交通大学 | Energy-saving explosion-proof electricity separation formula electrothermal tube |
-
2014
- 2014-12-16 CN CN201410783845.2A patent/CN104482646B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526513A (en) * | 1991-07-17 | 1993-02-02 | Matsushita Electric Ind Co Ltd | Electric hot air device |
| CN202524577U (en) * | 2012-04-01 | 2012-11-07 | 常熟市海晟电器有限公司 | Water-electricity-separated carbon fiber heating device |
| CN102815037A (en) * | 2012-08-23 | 2012-12-12 | 合肥工业大学 | Intelligent bulletproof and explosionproof composite material |
| CN103976651A (en) * | 2014-01-14 | 2014-08-13 | 宁波金阳光电热科技有限公司 | Quartz heating tube with explosion-proof body and high heat transfer factor |
| CN204421317U (en) * | 2014-12-16 | 2015-06-24 | 上海交通大学 | Energy-saving explosion-proof electricity separation formula electrothermal tube |
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| CN104482646B (en) | 2017-03-22 |
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