CN104093229B - A kind of infrared electric-heating pipe and water heater thereof - Google Patents
A kind of infrared electric-heating pipe and water heater thereof Download PDFInfo
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- CN104093229B CN104093229B CN201410344832.5A CN201410344832A CN104093229B CN 104093229 B CN104093229 B CN 104093229B CN 201410344832 A CN201410344832 A CN 201410344832A CN 104093229 B CN104093229 B CN 104093229B
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Abstract
The present invention relates to 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, the inwall of transparent glass tube builds one deck infrared ray heat-conductive coating---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 in and is coated with on the Thermal Insulating Ceramic Fibers paper of infrared reflecting paint, and the gap between heating wire and the inwall of glass tube is filled with carborundum, silica, the powdered compound of rare earth oxide, their mixing ratio is: carborundum: silica: rare earth oxide=3:2:1, such design, employing infrared thermal radiation heats, there is the heat efficiency high, firing rate is fast, the advantages such as long service life, more can activated water, be particularly suitable for the household electric appliances such as bathroom water heater and electric water heater for drinking.
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 the fast development of economy, industrial enterprise is on the increase, the waste gas produced, waste water have a strong impact on our quality of life, mainly in the metal tube that heating wire is housed, fill the insulating heat-conduction materials such as magnesium oxide, the heat that heating wire energising produces first is delivered to metal tube by magnesium oxide, then passes to water to be heated by metal tube.Such mode of heating utilizes the thermaltransmission mode of medium to carry out, and heats temperature rise comparatively slowly during heating water, the oxidizable and scaliness in electrothermal tube surface, and heat transmission has intermediate medium, and thermal losses is comparatively large, and the heat efficiency is poor, thus 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; its outer wall is coated with Thermal Insulating Ceramic Fibers paper; ceramic fiber paper is coated with carborundum infrared ray composite material; be around in outside heating wire on the outer wall of the earthenware being coated with carborundum infrared ray composite material, outside heating wire, transparent glass tube be housed ".This technology effectively can improve the heat efficiency of water heating, but the heating tube of this technology adopts by solid filler dense packing effect between glass tube and heating wire in design, due to effect of expanding with heat and contract with cold, during practical application, glass tube easily breaking when heating, bursting, and causes heating tube to lose efficacy.On the other hand, this technology is generally not easy to allow infrared ray pass due to the material of glass tube self, infrared ray cannot penetrate glass tube easily, infrared ray radiant flux is externally less, cause heating efficiency lower, water temperature to be heated rises slow, and make thermal energy buildup on the contrary in glass tube, sometimes temperature is too high easily burns heating wire.Further, infrared ray radiant flux is externally less, the speed of heating water and the anion transformation efficiency of water lower.Accordingly, Key technique problem how to make full use of infrared radiation, and heat energy is delivered in outside water effectively and quickly, and for this reason, applicant summarizes passing technology, experience, again improves infrared heating tubular construction.And this technology is directly applied on Water-heating unit for shower.
Summary of the invention
An object of the present invention is the weak point overcoming above-mentioned prior art, propose that a kind of hot-cast socket speed is fast, the heat efficiency is high, long service life, more can the infrared electric-heating pipe of activated water.
Two of object of the present invention is the weak points overcoming above-mentioned at present existing electrothermal tube application technology, propose that a kind of hot-cast socket speed is fast, the heat efficiency is high, long service life, more can the infrared negative ion electric heater of activated water.
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 builds 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 in and is coated with on the Thermal Insulating Ceramic Fibers paper of 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 one among lanthana, praseodymium oxide, neodymia, cerium oxide.The surface being 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 the gap between composite powder filling heating wire and glass tube walls, when electrothermal wire heating works, can certain expansion space be retained, thus effectively avoid splitting pipe or bursting of glass tube, greatly improve the useful life of electric heating tube.
2, adopt the powdered compound of carborundum, silica, rare earth oxide, effectively can absorb the heat of heating wire thus the infrared ray of generation 10-50 micron, the infrared ray of generation passes glass tube, the water of radiation heating outside on the one hand; On the other hand, the infrared part of generation is absorbed by heating wire, and make heating wire also further steep temperature rise, produce larger heat, 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 increases with the progression of the 3-4 power of 10, and temperature is higher, infrared ray flux is larger, infrared ray flux is larger, heats also higher, and the powdered compound of the carborundum of filling, silica, rare earth oxide is one of key problem in technology point.
3, clear glass inside pipe wall one deck infrared ray heat-conductive coating of building, the infrared ray that composite powder can be made to produce more easily penetrates glass tube, thus considerably increases infrared radiation flux.Change the pattern of conventional convection heating, be heated to be master with thermal radiation, heat can pass through rapidly clear glass radiation to the water of surrounding, and thermal losses is little, and the heat efficiency is high, energy-conservation raising more than 40% compared with 201120355870.2 utility model patents.
3, the Infrared wavelength that produced by composite powder of electric heating tube is at 10-50 microns, can produce and add thermoresonance, make the micel more refinement of water, ionization with water, 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 builds 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 in and is coated with on the Thermal Insulating Ceramic Fibers paper of 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 one among lanthana, praseodymium oxide, neodymia, cerium oxide.
Such infrared negative ion electric heater structure, has obvious advantage:
Due to the factor of the heat efficiency and heat trnasfer, traditional electrical water heater needs 5000-6000W power ability effectively continuous heat supply water, 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 produced 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.Thus the use power of electric heater is reduced greatly, 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 goes between 11 shell 12 inner bag 13 valve 14 water inlet pipe 15 outlet pipes.
Embodiment
See Fig. 1-Fig. 2, the structure of the present embodiment electric heating tube comprises from the inside to the outside respectively: 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 is closed, and 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 is energized, heating wire 3 generates heat, heat is transmitted in the mode of infrared radiation by composite powder 4, due to the obstruct of Thermal Insulating Ceramic Fibers paper 6, heat cannot to ceramic core tubes 7 radiation of the inside, and under the effect of infrared reflecting paint 5, can only outwardly through transparent glass tube 1 radiation, and around transparent glass tube 1, being filled with water, water is just rapidly heated.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 one 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, can produce with the water of surrounding after infrared penetration glass tube 1 and add thermoresonance, make original micel compared with water be divided into the more tiny water of micel by energy, thus 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 makes composite powder 4 add thermogenetic infrared ray can easily penetrate, by glass tube 1, make the rapid radiation-absorbing of the water outside glass tube 1, conversion thermal energy.
See 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 of steam generator or shower.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, its structure and operation principle same as the previously described embodiments.Owing to adopting infrared thermal radiation to 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 of generation and heating wire 3, substantially increase conversion efficiency and the speed of heat energy, only need the power of about 2000W just can realize traditional electrical water heater and need 5000-6000W power just accessible uninterrupted hot-water supply effect continuously, energy-saving effect is obvious.
Certainly, only enumerate some preferably execution modes here, the technical program can do other equivalent or roughly the same change, repeat no more here, but they should belong to the protection range of this patent.
Claims (6)
1. an infrared electric-heating pipe, include ceramic core tubes, be covered in the heating wire of the Thermal Insulating Ceramic Fibers paper of ceramic core tubes outer wall, coiling, 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 builds 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 in and is coated with on the Thermal Insulating Ceramic Fibers paper of 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, is characterized in that the particle diameter of 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 one among lanthana, praseodymium oxide, neodymia, cerium oxide.
4. electric heating tube according to claim 3, it is characterized in that, the surface being 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 builds 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 in and is coated with on the Thermal Insulating Ceramic Fibers paper of 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, it is characterized in that the particle diameter of described powdered compound is 300-500 order, described rare earth oxide is: any one among lanthana, praseodymium oxide, neodymia, cerium oxide.
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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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| 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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| CN104093229B true CN104093229B (en) | 2016-03-30 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN111964270B (en) * | 2020-08-07 | 2022-04-05 | 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20090083999A (en) * | 2008-01-31 | 2009-08-05 | 유한회사이엔테크 | Electric a boiler |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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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