CN104093229A - Infrared electric heating tube and water heater thereof - Google Patents
Infrared electric heating tube and water heater thereof Download PDFInfo
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- CN104093229A CN104093229A CN201410344832.5A CN201410344832A CN104093229A CN 104093229 A CN104093229 A CN 104093229A CN 201410344832 A CN201410344832 A CN 201410344832A CN 104093229 A CN104093229 A CN 104093229A
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Abstract
The invention relates to an infrared electric heating tube which comprises a ceramic core tube, heat insulation ceramic fiber paper covering the outer wall of the ceramic core tube and a coiled electric heating wire. The ceramic core tube, the heat insulation ceramic fiber paper and the coiled electric heating wire are all packaged in a glass tube. An electrode and an electrode seat are arranged on a port of the glass tube, a layer of infrared heat conduction coating is poured on the inner wall of the transparent glass tube, the infrared heat conduction coating is formed by blending of silicon carbide and water-soluble sodium silicate with the concentration being 50%, and the weight ratio of the silicon carbide and the sodium silicate is 3:1. The electric heating wire is coiled on the heat insulation ceramic fiber paper coated with the infrared heat conduction coating, the gap between the electric heating wire and the glass tube is filled with the powder compound of silicon carbide, silicon oxide and rare earth oxide, and the mixing ratio of the silicon carbide, the silicon oxide and the rare earth oxide is 3:2:1. According to the design, infrared thermal radiation is used for heating, the advantages of being high in thermal efficiency, high in heating speed, long in service life and the like are achieved, water can be better activated, and the infrared electric heating tube is particularly suitable for the industries of bathroom water heaters, drinking water boiler and the like.
Description
Technical field
The present invention relates to the technical field of electrical heating elements, especially for electrothermal tube and the water heater thereof of water heating.
Background technology
At present, along with economic fast development, industrial enterprise is on the increase, the waste gas producing, waste water have a strong impact on our quality of life, mainly to fill the insulating heat-conduction materials such as magnesium oxide in the metal tube of heating wire is housed, the heat that heating wire energising produces is first delivered to metal tube by magnesium oxide, then passes to water to be heated by metal tube.Such mode of heating is to utilize the thermaltransmission mode of medium to carry out, and heats temperature rise slower during heating water, the oxidizable and scaliness in electrothermal tube surface, and also heat transmission has intermediate medium, and thermal losses is larger, and the heat efficiency is poor, thereby consumes a large amount of electric energy.
China Patent No.: 201120355870.2, name is called: the utility model patent of " a kind of infrared ray Fast Heating pipe " once made improvements this, the core of its technology is: " earthenware is as core pipe; on its outer wall, be coated with Thermal Insulating Ceramic Fibers paper; on ceramic fiber paper, be coated with carborundum infrared ray composite material; heating wire is around in outward on the outer wall of the earthenware that is coated with carborundum infrared ray composite material, and heating wire is equipped with transparent glass tube outward ".This technology can effectively improve the heat efficiency of water heating, but the heating tube of this technology adopts between glass tube and heating wire in design by the closely knit filling of solid filler, due to the effect of expanding with heat and contract with cold, during practical application, glass tube easily breaks when heating, explosion, causes heating tube to lose efficacy.On the other hand, this technology is because the material of glass tube self is generally not easy to allow infrared ray pass, infrared ray cannot penetrate glass tube easily, infrared ray is less to outside radiant flux, cause heating efficiency lower, water temperature to be heated rises slow, makes on the contrary heat energy accumulate in glass tube, and sometimes excess Temperature easily burns heating wire.Have, infrared ray is less to outside radiant flux again, and the anion transformation efficiency of the speed of heating water and water is lower.Accordingly, Key technique problem is how to make full use of infrared radiation, and heat energy is delivered in outside water effectively and quickly, and for this reason, applicant has summed up passing technology, experience, and infrared heating tubular construction is improved again.And this technology is directly applied on Water-heating unit for shower.
Summary of the invention
One of object of the present invention is the weak point that overcomes above-mentioned prior art, propose that a kind of hot conversion speed is fast, the heat efficiency is high, long service life, more can activated water infrared electric-heating pipe.
Two of object of the present invention is to overcome the above-mentioned at present weak point of existing electrothermal tube application technology, propose that a kind of hot conversion speed is fast, the heat efficiency is high, long service life, more can activated water infrared negative ion electric heater.
For realizing the object of the invention one, adopt following technical scheme: a kind of infrared electric-heating pipe, include ceramic core tubes, be covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall, the heating wire of coiling, they are all packaged in glass tube, the port of glass tube is provided with electrode and electrode tip holder, it is characterized in that: glass tube is transparent pipe, its inwall is built one deck infrared ray heat-conductive coating---and this infrared ray heat-conductive coating is formed by carborundum and concentration 50% water-soluble metasilicate mixing preparation, its weight ratio is carborundum: sodium metasilicate=3:1, electric filament disc is around on the Thermal Insulating Ceramic Fibers paper that is coated with infrared reflecting paint, and the gap between heating wire and the inwall of glass tube is filled with composite powder, described composite powder is carborundum, silica, the powdered compound of rare earth oxide, their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1.Further, the particle diameter of described powdered compound is 300-500 order.Described rare earth oxide is: any among lanthana, praseodymium oxide, neodymia, cerium oxide.The surface that is covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall is also coated with infrared reflecting paint---and this infrared reflecting paint is formed by carborundum and concentration 40% water-soluble metasilicate mixing preparation, and its weight ratio is carborundum: sodium metasilicate=5:1.
Such electric heating tube structure, has obvious advantage:
1, adopt composite powder to fill the gap between heating wire and glass tube walls, when electrothermal wire heating works, can retain certain expansion space, thereby effectively avoid splitting of glass tube to manage or explosion, the useful life of greatly improving electric heating tube.
2, adopt the powdered compound of carborundum, silica, rare earth oxide, thereby can effectively absorb the infrared ray of the heat generation 10-50 micron of heating wire, the infrared ray of generation passes glass tube, the water of radiation heating outside on the one hand; On the other hand, the infrared ray of generation part is absorbed by heating wire, makes also further steep temperature rise of heating wire, produces larger heat, and like this, composite powder plays and produces infrared ray and form mutual positive feedback excitation, facilitation with heating wire.Along with the increase of temperature, infrared radiation flux is that the progression with 10 3-4 power increases, and temperature is higher, infrared ray flux is larger, infrared ray flux is larger, heats also highlyer, and the powdered compound of the carborundum of filling, silica, rare earth oxide is one of key problem in technology point.
3, one deck infrared ray heat-conductive coating that clear glass inside pipe wall is built, the infrared ray that can make composite powder produce more easily penetrates glass tube, thereby has greatly increased infrared radiation flux.The pattern that changes traditional Convective Heating, is heated to be master with thermal radiation, and heat can be given water around by clear glass radiation rapidly, and thermal losses is little, and the heat efficiency is high, compares energy-conservation raising more than 40% with 201120355870.2 utility model patents.
3, the Infrared wavelength that electric heating tube produces by composite powder, at 10-50 microns, can produce and add thermoresonance with water, makes the more refinement of micel of water, and ionization can activated water.
4, firing rate is fast, and the heat efficiency is high.
For realizing the object of the invention two, adopt following technical scheme: a kind of infrared negative ion electric heater, include shell, inner bag, electric heating tube, valve, water inlet pipe and outlet pipe, it is characterized in that: described electric heating tube includes ceramic core tubes, be covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall, the heating wire of coiling, they are all packaged in glass tube, the port of glass tube is provided with electrode and electrode tip holder, the inwall of glass tube is built one deck infrared ray heat-conductive coating---and this infrared ray heat-conductive coating is formed by carborundum and concentration 50% water-soluble metasilicate mixing preparation, its weight ratio is carborundum: sodium metasilicate=3:1, electric filament disc is around on the Thermal Insulating Ceramic Fibers paper that is coated with infrared reflecting paint, and the gap between heating wire and the inwall of glass tube is filled with composite powder, described composite powder is carborundum, silica, the powdered compound of rare earth oxide, their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1.Further, the particle diameter of described powdered compound is 300-500 order, and described rare earth oxide is: any among lanthana, praseodymium oxide, neodymia, cerium oxide.
Such infrared negative ion electric heater structure, has obvious advantage:
Factor due to the heat efficiency and heat transmission, traditional electrical water heater needs effectively continuous heat supply water of 5000-6000W power, and the core technologies such as the composite powder that electric heater of the present invention adopts due to glass tube, infrared ray heat-conductive coating, the infrared ray producing can be encouraged with the mutual positive feedback of heating wire, mutual promoting action, infrared radiation flux is large, and infrared penetration rate is high, conversion efficiency is high, thermal power transfer speed is fast, only needs the power of 2000W can realize effective continuous heat supply water.Thereby the use power of electric heater is reduced greatly, and installation requirement is more suitable for average family, and energy consumption significantly reduces, and more easily popularizes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the part section enlarged diagram of Fig. 1.
Fig. 3 is the schematic diagram of far infrared ray negative ions electric heater.
Description of reference numerals: 1 glass tube 2 infrared ray heat-conductive coating 3 heating wire 4 composite powder 5 infrared reflecting paint 6 Thermal Insulating Ceramic Fibers paper 7 ceramic core tubes 8 electrode tip holder 9 electrode 10 lead-in wire 11 shell 12 inner bag 13 valve 14 water inlet pipe 15 outlet pipes.
Embodiment
Referring to Fig. 1-Fig. 2, the structure of the present embodiment electric heating tube comprises respectively from the inside to the outside: the ceramic core tubes 7 of innermost layer, Thermal Insulating Ceramic Fibers paper 6, infrared reflecting paint 5, heating wire 3, composite powder 4, infrared ray heat-conductive coating 2, outermost transparent glass tube 1.Transparent glass tube 1 one end sealing, one end is provided with electrode 9 and electrode tip holder 8 in addition, and the lead-in wire 10 of heating wire 3 is connected with electrode 9.After electrode 9 energisings, heating wire 3 heatings, heat transmits in the mode of infrared radiation by composite powder 4, obstruct due to Thermal Insulating Ceramic Fibers paper 6, heat cannot be to ceramic core tubes 7 radiation of the inside, and under the effect of infrared reflecting paint 5, can only see through transparent glass tube 1 radiation outwardly, and transparent glass tube 1 has been full of water around, water is just by Fast Heating.Composite powder 4 is the powdered compound of carborundum, silica, rare earth oxide, and their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1.Rare earth oxide is: any among lanthana, praseodymium oxide, neodymia, cerium oxide.The particle diameter of powdered compound is 300-500 order.Composite powder 4 adds thermogenetic Infrared wavelength between 10-50 microns, after infrared penetration glass tube 1, can add thermoresonance with water generates around, make original micel water be divided into by energy the water that micel is more tiny, thereby make water-quality activating, be more suitable for drinking of people.On the other hand, the inwall of glass tube 1 is built this infrared ray heat-conductive coating 2 of one deck infrared ray heat-conductive coating 2---and is formed by carborundum and concentration 50% water-soluble metasilicate mixing preparation, its weight ratio is carborundum: sodium metasilicate=3:1, the effect of this infrared ray heat-conductive coating 2 is to make composite powder 4 add thermogenetic infrared ray can easily penetrate, pass through glass tube 1, make the rapid radiation-absorbing of water outside glass tube 1, conversion thermal energy.
Referring to Fig. 3, electric heating tube of the present invention, except the boiler that can be used for drinking, electric kettle, also can be applicable to the water heater that steam generator or shower are used.A kind of infrared negative ion electric heater, comprise shell 11, inner bag 12, valve 13, water inlet pipe 14, outlet pipe 15, electric heating tube is installed in inner bag 12, and electric heating tube is the technological core of this water heater, and its structure and operation principle thereof are same as the previously described embodiments.Owing to adopting infrared heat radiation, be main, and the infrared ray heat-conductive coating in glass tube 1, the powdered compound design of carborundum, silica, rare earth oxide, make to form mutual positive feedback incentive action between the infrared ray that produces and heating wire 3, conversion efficiency and the speed of heat energy have greatly been improved, only need the power of about 2000W just can realize traditional electrical water heater and need just accessible continuously uninterrupted hot-water supply effect of 5000-6000W power, energy-saving effect is obvious.
Certainly, only enumerate some preferably execution modes here, the technical program can be done other and be equal to or variation roughly the same, repeat no more here, but they should belong to the protection range of this patent.
Claims (6)
1. an infrared electric-heating pipe, includes ceramic core tubes, is covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall, the heating wire of coiling, and they are all packaged in glass tube, and the port of glass tube is provided with electrode and electrode tip holder, it is characterized in that:
Glass tube is transparent pipe, its inwall is built one deck infrared ray heat-conductive coating---and this infrared ray heat-conductive coating is formed by carborundum and concentration 50% water-soluble metasilicate mixing preparation, its weight ratio is carborundum: sodium metasilicate=3:1, electric filament disc is around on the Thermal Insulating Ceramic Fibers paper that is coated with infrared reflecting paint, and the gap between heating wire and the inwall of glass tube is filled with composite powder, described composite powder is the powdered compound of carborundum, silica, rare earth oxide, and their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1.
2. electric heating tube according to claim 1, the particle diameter that it is characterized in that described powdered compound is 300-500 order.
3. electric heating tube according to claim 1 and 2, is characterized in that described rare earth oxide is: any among lanthana, praseodymium oxide, neodymia, cerium oxide.
4. electric heating tube according to claim 3, it is characterized in that, the surface that is covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall is also coated with infrared reflecting paint---and this infrared reflecting paint is formed by carborundum and concentration 40% water-soluble metasilicate mixing preparation, and its weight ratio is carborundum: sodium metasilicate=5:1.
5. an infrared negative ion electric heater, include shell, inner bag, electric heating tube, valve, water inlet pipe and outlet pipe, it is characterized in that: described electric heating tube includes ceramic core tubes, be covered in the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall, the heating wire of coiling, they are all packaged in glass tube, the port of glass tube is provided with electrode and electrode tip holder, the inwall of glass tube is built one deck infrared ray heat-conductive coating---and this infrared ray heat-conductive coating is formed by carborundum and concentration 50% water-soluble metasilicate mixing preparation, its weight ratio is carborundum: sodium metasilicate=3:1, electric filament disc is around on the Thermal Insulating Ceramic Fibers paper that is coated with infrared reflecting paint, and the gap between heating wire and the inwall of glass tube is filled with composite powder, described composite powder is carborundum, silica, the powdered compound of rare earth oxide, their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1.
6. infrared negative ion electric heater according to claim 5, the particle diameter that it is characterized in that described powdered compound is 300-500 order, described rare earth oxide is: any among lanthana, praseodymium oxide, neodymia, cerium oxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410344832.5A CN104093229B (en) | 2014-07-21 | 2014-07-21 | A kind of infrared electric-heating pipe and water heater thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410344832.5A CN104093229B (en) | 2014-07-21 | 2014-07-21 | A kind of infrared electric-heating pipe and water heater thereof |
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| CN104093229A true CN104093229A (en) | 2014-10-08 |
| CN104093229B CN104093229B (en) | 2016-03-30 |
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| CN201410344832.5A Expired - Fee Related CN104093229B (en) | 2014-07-21 | 2014-07-21 | A kind of infrared electric-heating pipe and water heater thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196386A (en) * | 2016-08-29 | 2016-12-07 | 佛山市南海研明热能设备科技有限公司 | A kind of infrared negative ion generator and infrared negative ion humidifier |
| CN106455156A (en) * | 2016-08-31 | 2017-02-22 | 安徽苏立电热科技股份有限公司 | Anti-oxidant and anti-corrosion electric heating tube |
| CN109287008A (en) * | 2018-11-10 | 2019-01-29 | 浙江英展电器有限公司 | A thermal radiation heating device |
| CN111964270A (en) * | 2020-08-07 | 2020-11-20 | 巢湖宜安云海科技有限公司 | Energy-saving quick heater for heat pump water heater |
| CN114245500A (en) * | 2022-02-09 | 2022-03-25 | 安徽蒯科砾工业加热技术有限公司 | Forming process of infrared heating pipe |
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| KR20090083999A (en) * | 2008-01-31 | 2009-08-05 | 유한회사이엔테크 | Electric boiler |
| CN202353834U (en) * | 2011-08-19 | 2012-07-25 | 徐其明 | Infrared rapid heating tube |
| CN103369748A (en) * | 2013-07-25 | 2013-10-23 | 吴让攀 | Electric heating tube for heating liquid |
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2014
- 2014-07-21 CN CN201410344832.5A patent/CN104093229B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090083999A (en) * | 2008-01-31 | 2009-08-05 | 유한회사이엔테크 | Electric boiler |
| CN202353834U (en) * | 2011-08-19 | 2012-07-25 | 徐其明 | Infrared rapid heating tube |
| CN103369748A (en) * | 2013-07-25 | 2013-10-23 | 吴让攀 | Electric heating tube for heating liquid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196386A (en) * | 2016-08-29 | 2016-12-07 | 佛山市南海研明热能设备科技有限公司 | A kind of infrared negative ion generator and infrared negative ion humidifier |
| CN106455156A (en) * | 2016-08-31 | 2017-02-22 | 安徽苏立电热科技股份有限公司 | Anti-oxidant and anti-corrosion electric heating tube |
| CN109287008A (en) * | 2018-11-10 | 2019-01-29 | 浙江英展电器有限公司 | A thermal radiation heating device |
| CN111964270A (en) * | 2020-08-07 | 2020-11-20 | 巢湖宜安云海科技有限公司 | Energy-saving quick heater for heat pump water heater |
| CN111964270B (en) * | 2020-08-07 | 2022-04-05 | 巢湖宜安云海科技有限公司 | An energy-saving rapid heater for heat pump water heaters |
| CN114245500A (en) * | 2022-02-09 | 2022-03-25 | 安徽蒯科砾工业加热技术有限公司 | Forming process of infrared heating pipe |
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| CN104093229B (en) | 2016-03-30 |
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Denomination of invention: An infrared electric heating pipe and its water heater Effective date of registration: 20220622 Granted publication date: 20160330 Pledgee: Foshan Nanhai Xinhua Village Bank Co.,Ltd. Pledgor: FOSHAN NANHAI YANMING HEAT ENERGY EQUIPMENT SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022980008604 |
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Granted publication date: 20160330 |
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