CN101917782B - Integrated pipeline electric heating device - Google Patents
Integrated pipeline electric heating device Download PDFInfo
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- CN101917782B CN101917782B CN2010102536975A CN201010253697A CN101917782B CN 101917782 B CN101917782 B CN 101917782B CN 2010102536975 A CN2010102536975 A CN 2010102536975A CN 201010253697 A CN201010253697 A CN 201010253697A CN 101917782 B CN101917782 B CN 101917782B
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Abstract
The invention relates to an integrated pipeline electric heating device. A heat exchange unit comprises more than one heat exchange tube which is arranged along vertical direction, a plurality of heat exchange tubes are connected in parallel and/or series, the wall of each heat exchange tube is provided with more than one heat conducting fin, the side of the outer end of each heat conducting fin and the inner wall of the heat exchange tube are connected into a whole, the sides of the inner ends of all the heat conducting fins are connected into a whole nearby the axle wire of the heat exchange tube, the panels of all the heat conducting fins axially penetrate the heat exchange tube in the heat exchange tube, and the inner holes of the heat exchange tube are divided into a plurality of water channels which are in parallel distribution, the outer surface of each heat exchange tube is provided with a plurality of wiring grooves, the wiring groove is inlaid with an electric hot line, and the water channels of the heat exchange tube in the heat exchange unit are mutually connected, so as to form a heat supply pipeline. The invention aims at providing an integrated pipeline electric heating device which has high unit volume pipeline integration degree, large heat exchange area, high heat exchange efficiency, obvious energy conservation effect, less raw material, light weight, low manufacturing cost, small occupying space and convenient dismounting and maintenance.
Description
Technical field
The present invention relates to a kind of integrated pipeline electric heating device.
Background technology
The conventional electric heating device, since perfect inadequately on structural design, cause its volume size and vpg connection to be difficult to make significantly adjustment at electric heating power output, electric heater unit, cause it to be difficult to satisfy client's various designing requirements thus.In addition, the conventional electric heating device, the pipeline degree of integration is very low in its unit volume, causes its heat exchange area less thus; Heat exchanger effectiveness is not high, and material therefor is more, and weight is bigger; Cost is higher relatively, and it is bigger to take up room, dismounting and easy to maintenance also not too convenient.
Summary of the invention
The object of the present invention is to provide pipeline degree of integration height in a kind of unit volume, heat exchange area is big, and heat exchanger effectiveness is high; Energy-saving effect is remarkable, and material therefor is few, and is in light weight; Cost is low, and it is little to take up room, dismounting and easy to maintenance; And can adjust electric heating power output, volume size and vpg connection, with the integrated pipeline electric heating device of the various designing requirements of satisfying the client.
Integrated pipeline electric heating device of the present invention comprises heat exchange unit, and heat exchange unit comprises the heat exchanger tube that vertically is provided with more than; Parallel with one another and/or the series connection setting of a plurality of heat exchanger tubes is respectively equipped with an above conducting strip on the inwall of each heat exchanger tube, the outer end side of the whole conducting strips in each heat exchanger tube links to each other with the inwall one of heat exchanger tube respectively; One is continuous each other near the axis of heat exchanger tube for the inner end side of the whole conducting strips in each heat exchanger tube; All the plate face of conducting strips in heat exchanger tube along axially run through heat exchanger tube, and the endoporus of heat exchanger tube is divided into the aquaporin that several are arranged in juxtaposition, the outer surface of each heat exchanger tube is respectively equipped with a plurality of wiring grooves vertically; Be embedded with heating wire in the wiring groove; The aquaporin of the heat exchanger tube in the said heat exchange unit is interconnected to heat supplying pipeline, and the outer surface of heat exchange unit is coated with adiabator layer, and the outside of adiabator layer is provided with shell; The water inlet of said heat supplying pipeline is connected with water inlet pipe; The delivery port place of heat supplying pipeline is connected with outlet pipe, and water inlet pipe and outlet pipe outwards pass said adiabator layer and said shell, and said heating wire is electrically connected with electrical control gear.
Integrated pipeline electric heating device of the present invention; Wherein the aquaporin in each said heat exchanger tube is interconnected to the water-filled pipe that polyphone communicates respectively at the two ends of heat exchanger tube; The upper/lower terminal that is positioned at said heat exchange unit in the said adiabator layer is respectively equipped with cover plate; Cover plate is provided with more than one water channel; The water-filled pipe of the said heat exchanger tube that parallel connection is provided with in the said heat exchange unit connects into the said heat supplying pipeline that polyphone communicates at the two ends of adjacent heat exchange tubes through the water channel on the cover plate respectively; Said electrical control gear is arranged on the said shell, and electrical control gear is electrically connected with high temperature protection temperature sensor and indoor temperature transmitter respectively, and the probe of high temperature protection temperature sensor is arranged on said heating wire place.
Integrated pipeline electric heating device of the present invention; The cross section of wherein said heat exchanger tube is circle or ellipse or rectangle or hexagon; Heat exchanger tube adopts aluminium alloy or copper or stainless steel material to process, and is provided with strip between the heat exchanger tube of parallel connection, and said strip comprises four fins that are provided with vertically; The inner end of four fins one each other links to each other; The cross section of four fins is identical with the cross section of said wiring groove, and two adjacent fins insert in two said wiring grooves on the heat exchanger tube simultaneously in four fins, and other two adjacent fins insert in two said wiring grooves on another heat exchanger tube simultaneously in four fins; Thereby the heat exchanger tube of these two parallel connections is connected together through strip; Said adiabator layer adopts polyurethane to process, and the quantity of said conducting strip is 3-8, and the plate face of conducting strip is along the radially setting of said heat exchanger tube.
Integrated pipeline electric heating device of the present invention; Wherein said outlet pipe is positioned at the upper end of said heat exchange unit, and said water inlet pipe is positioned at the lower end of heat exchange unit, and the delivery port place of outlet pipe adopts three-way pipe that the moisturizing damping device is installed; The moisturizing damping device adopts three type atactic copolymerized polypropene materials to process; Be provided with heat pipe in said outlet pipe and the said water inlet pipe, heat pipe extends outward the mouth of pipe of water inlet pipe and outlet pipe, and water inlet pipe and outlet pipe adopt three type atactic copolymerized polypropene materials to process.
Integrated pipeline electric heating device of the present invention; The cross section of wherein said wiring groove is a semicircular arc; The semicircular arc radius of wiring groove is 1-1.5mm; The radius of said heating wire is identical or smaller with the semicircular arc radius of wiring groove, and the width of wiring groove opening part is than the little 0.2-0.3mm of diameter of said heating wire, and the wall thickness between the adjacent wire groove is 1-3mm.
Integrated pipeline electric heating device of the present invention, wherein said heat pipe adopt copper pipe to process, and the diameter of bore of heat pipe is 2-5mm, and the diameter of bore of said heat exchanger tube is 5-20mm, and the wall thickness of said conducting strip is 1-3mm.
Integrated pipeline electric heating device of the present invention, the semicircular arc radius of wherein said wiring groove is 1.5mm, and the wall thickness between the adjacent wire groove is 0.8mm, and the diameter of bore of said heat exchanger tube is 12mm, and the wall thickness of said conducting strip is 2mm.
Integrated pipeline electric heating device of the present invention; Wherein at the upper/lower terminal of each said heat exchanger tube, said heating wire gets into this wiring groove from the top of a wiring groove, leaves this wiring groove from the lower end of this wiring groove; The upset bending gets into the lower end of another wiring groove that is adjacent then; Leave from the top of this wiring groove again, so move in circles, let said heating wire be deployed in each wiring groove of this said heat exchanger tube.
The advantage and the good effect of integrated pipeline electric heating device of the present invention are; Its heat exchange unit comprises the heat exchanger tube that vertically is provided with more than; Parallel with one another and/or the series connection setting of a plurality of heat exchanger tubes is respectively equipped with an above conducting strip on the inwall of each heat exchanger tube, all the outer end side of conducting strips links to each other with the inwall one of heat exchanger tube respectively; All one is continuous each other near the axis of heat exchanger tube for the inner end side of conducting strip; All the plate face of conducting strips in heat exchanger tube along axially run through heat exchanger tube, and the endoporus of heat exchanger tube is divided into the aquaporin that several are arranged in juxtaposition, the outer surface of each heat exchanger tube is respectively equipped with a plurality of wiring grooves vertically; Be embedded with heating wire in the wiring groove; The aquaporin of the heat exchanger tube in the heat exchange unit is interconnected to heat supplying pipeline, and the outer surface of heat exchange unit is coated with adiabator layer, and the outside of adiabator layer is provided with shell.So the pipeline degree of integration is high in the integrated pipeline electric heating device unit volume of the present invention, heat exchange area is big, and heat exchanger effectiveness is high; Energy-saving effect is remarkable, and materials used is less, and weight is lighter; Cost is lower, and it is little after installation, to take up room, and dismounting and maintenance are also very convenient.In use; Can realize its adjustment through the composite assembly of the various ways between the heat exchanger tube at electric heating power output, volume size and vpg connection; To satisfy client's various designing requirements, so the technical scheme of integrated pipeline electric heating device of the present invention has more vast market demand.
Be elaborated below in conjunction with the preferred forms of accompanying drawing to integrated pipeline electric heating device of the present invention.
Description of drawings
Fig. 1 is the front view of the structural representation of integrated pipeline electric heating device of the present invention;
Fig. 2 is the top plan view of Fig. 1.
Embodiment
As depicted in figs. 1 and 2, integrated pipeline electric heating device of the present invention comprises heat exchange unit; Heat exchange unit comprises the vertically heat exchanger tube 1 of parallel connection setting of 2 rows, and the quantity of every row's heat exchanger tube 1 can be 1, or connect 2 or 3 or 4 or 5 or 6 or more a plurality of heat exchanger tubes 1; The also townhouse number of heat exchanger tube 1 also can be 1 or 3 or 4 or 5 or 6 or more a plurality of, and the cross section of heat exchanger tube 1 is circular, perhaps is ellipse or rectangle or hexagon; Heat exchanger tube 1 adopts aluminium alloy or copper or stainless steel material to process, and is respectively equipped with four conducting strips 2 on the inwall of each heat exchanger tube 1, and the plate face of conducting strip 5 is along the radially setting of heat exchanger tube 1; The quantity of conducting strip 5 also can be 1 or 2 or 3 or 5 or 6 or more a plurality of; All the outer end side of conducting strips 2 links to each other with the inwall one of heat exchanger tube 1 respectively, all the inner end side of conducting strips 2 near the axis of heat exchanger tube 1 each other one link to each other, the plate face of whole conducting strips 2 in heat exchanger tube 1 along axially run through heat exchanger tube 1; And the endoporus of heat exchanger tube 1 is divided into four aquaporins that are arranged in juxtaposition 10; Aquaporin 10 in each heat exchanger tube 1 is interconnected to the water-filled pipe that polyphone communicates respectively at the two ends of heat exchanger tube 1, the outer surface of each heat exchanger tube 1 is respectively equipped with a plurality of wiring grooves 3 vertically, is embedded with heating wire 4 in the wiring groove 3; Upper/lower terminal at each heat exchanger tube 1; Heating wire 4 gets into this wiring groove 3 from the top of a wiring groove 3, leaves this wiring groove 3 from the lower end of this wiring groove 3, and the upset bending gets into the lower end of another wiring groove 3 that is adjacent then; Leave from the top of this wiring groove 3 again; So move in circles, let heating wire 4 be deployed in each wiring groove 3 of this heat exchanger tube 1, heating wire 4 is electrically connected with electrical control gear.
A plurality of heat exchanger tubes 1 of integrated pipeline electric heating device of the present invention can be parallel with one another and/or the combination in any assembly unit that is provided with of series connection; The water-filled pipe of the heat exchanger tube 1 that parallel connection is provided with in the heat exchange unit connects into the heat supplying pipeline of contacting and communicating at the two ends up and down of heat exchange unit with the water-filled pipe of adjacent heat exchanger tube 1 respectively; The outer surface of heat exchange unit is coated with adiabator layer 8; Adiabator layer 8 adopts polyurethane to process, and the outside of adiabator layer 8 is provided with shell 9, and the water inlet of heat supplying pipeline is connected with water inlet pipe 13; The delivery port place of heat supplying pipeline is connected with outlet pipe 14, and water inlet pipe 13 outwards passes adiabator layer 8 and shell 9 with outlet pipe 14.
The upper/lower terminal that is arranged in heat exchange unit in the above-mentioned adiabator layer 8 is respectively equipped with cover plate (figure does not draw); Cover plate is provided with more than one water channel; The water-filled pipe of the heat exchanger tube 1 that parallel connection is provided with in the heat exchange unit connects into the heat supplying pipeline that polyphone communicates at the two ends of adjacent heat exchange tubes 1 through the water channel on the cover plate respectively; Electrical control gear is arranged on the shell 9; Electrical control gear is electrically connected with high temperature protection temperature sensor and indoor temperature transmitter respectively, and the probe of high temperature protection temperature sensor is arranged on heating wire 4 places.In use; When the ambient temperature that measures when indoor temperature transmitter is higher than set point; Electrical control gear will let heating wire 4 suspend heating, and when the ambient temperature that measures when indoor temperature transmitter was lower than set point, electrical control gear will let heating wire 4 restart heating; When the high temperature protection temperature sensor measurement to the temperature at heating wire 4 places when being higher than set point; Electrical control gear will let heating wire 4 suspend heating; Do not burnt out with protection heating wire 4; When the high temperature protection temperature sensor measurement to the temperature at heating wire 4 places when being lower than set point, electrical control gear will let heating wire 4 restart heating.
Be provided with strip 11 between the heat exchanger tube 1 of above-mentioned parallel connection; Strip 11 comprises four fins that are provided with vertically; The inner end of four fins one each other links to each other; The cross section of four fins is identical with the cross section of wiring groove 3; Two adjacent fins insert in two wiring grooves 3 on the heat exchanger tube 1 simultaneously in four fins, and other two adjacent fins insert in two wiring grooves 3 on another heat exchanger tube 1 simultaneously in four fins, thereby the heat exchanger tube 1 of these two parallel connections is connected together through strip 11.
Above-mentioned outlet pipe 14 is positioned at the upper end of heat exchange unit; Water inlet pipe 13 is positioned at the lower end of heat exchange unit, and the delivery port place of outlet pipe 14 adopts three-way pipe 15 that moisturizing damping device 12 is installed, and moisturizing damping device 12 adopts three type atactic copolymerized polypropene materials, just the PPR material is processed; Be provided with heat pipe 16 in outlet pipe 14 and the water inlet pipe 13; Heat pipe 16 extends outward the mouth of pipe of water inlet pipe 13 and outlet pipe 14, and heat pipe 16 adopts copper pipe to process, and heat pipe 16 can improve heat-transfer rate and heat transfer efficiency; The diameter of bore of heat pipe 16 is 2-5mm, and water inlet pipe 13 adopts three type atactic copolymerized polypropene materials with outlet pipe 14, just the PPR material is processed.In use, three-way pipe 15 capable of using is connected water inlet pipe 13 with extraneous hot water line, and when system's lack of water, 12 pairs of systems of moisturizing damping device capable of using carry out moisturizing simultaneously, to prevent causing work such as system can not normally heat owing to lack of water.In addition, the moisturizing damping device can also keep the skin wet in the air in the room in the season of drying, to improve the humidity of air in the room.
The cross section of above-mentioned wiring groove 3 is a semicircular arc; The semicircular arc radius of wiring groove 3 is 1-1.5mm; The preferred 1.5mm of semicircular arc radius of wiring groove 3; The radius of heating wire 4 is identical or slightly smaller with the semicircular arc radius of wiring groove 3, and the width of wiring groove 3 opening parts is than the little 0.2-0.3mm of diameter of heating wire 4, and the wall thickness between the adjacent wire groove 3 is 1-3mm.The preferred 0.8mm of wall thickness between the adjacent wire groove 3.The diameter of bore of heat exchanger tube is 5-20mm, and the preferred 12mm of the diameter of bore of heat exchanger tube, the wall thickness of conducting strip 2 are 1-3mm, the preferred 2mm of the wall thickness of conducting strip 2.
Above-mentioned heat exchanger tube 1 can independently use, and also can carry out parallel with one another, or the use that is together in series through strip 11 and wiring groove 3.
Integrated pipeline electric heating device of the present invention in use; Can let aqueous medium or other heat-carrying agents flow through the aquaporin 10 in each heat exchanger tube 1 with outlet pipe 14 through the water inlet pipe 13 at heat supplying pipeline two ends; In this course; The heat energy that heating wire 4 energisings discharge can pass to aqueous medium or other heat-carrying agents in the aquaporin 10 with conducting strip 5 through each heat exchanger tube 1, and heat energy is transferred away through aqueous medium or other heat-carrying agents more then.Integrated pipeline electric heating device of the present invention is because the interior pipeline degree of integration of unit volume is high, and heat exchange area is big, so not only heat exchanger effectiveness is high for it; Energy-saving effect is remarkable, and materials used is less, and weight is lighter; Cost is lower, and it is little after installation, to take up room, and dismounting and maintenance are also very convenient.
" State Council guarantees to realize the notice of Eleventh Five-Year Plan target for energy-saving and emission-reduction about further working harder " that State Council issues in mid-May, 2010 requires to do a good job of it thousand tame industry energy conservation action; Strengthen with managing; Improve with the ability level; Guarantee to form the year energy-conservation ability of 2,000 ten thousand tons of standard coals, strengthen key industry energy-saving and emission-reduction management such as electric power, iron and steel, coloured, petroleum and petrochemical industry, chemical industry, building materials, strengthen the dynamics of rebuilding traditional industry with advanced and applicable technology.Requirement; To the end of the year 2010; The ratio that cities and towns, whole nation new building is carried out energy-conservation compulsory standard reaches more than 95%, accomplishes 5,000 ten thousand square metres of northern heating area residential architecture heat metering and reducing energy consumptions, guarantees to accomplish 1.5 hundred million square metres transformation task the Eleventh Five-Year Plan period.Notice spirit to sum up: the north China heat supply in winter must realize by hot meterage, energy-conservation, reduce discharging, consumption reduction, reduce because the harm that environment caused and the destruction of using the energy that we are depended on for existence.To utilize ecological electricity heating such as wind-powered electricity generation, solar power generation to replace coal, oil, gas equal energy source, be trend of the times.
Advocate in the whole nation under the overall background of energy-saving and emission-reduction,, greatly develop energy-conservation, low carbon products and seem particularly important tightly around the fundamental state policy of energy-saving and emission-reduction.
Integrated pipeline electric heating device of the present invention and existing radiator can be combined into the electric heating system with numerical control program attemperating unit; Its intelligentized heating system can change " big-pot " method by the area charge of central heating in the past; Realize by hot meterage; The scope of application of this electric heating system comprises: new building; The building of the radiator heating form that old housing reform is made and present still central heating is carrier with water need not increase any facility for this heating form, cuts the back open with the central heating pipe network and gets final product with integrated pipeline electric heating device formation path of the present invention; So integrated pipeline electric heating device of the present invention especially is fit to the place of needs heatings such as vast small towns, rural area, the scope of application is very extensive.
Integrated pipeline electric heating device of the present invention has been complied with the world today and has been required to accelerate to have high social benefit and economic benefit by macroclimate, the overall situation of high-carbon economy to the low-carbon economy development.
Claims (8)
1. integrated pipeline electric heating device; It is characterized in that comprising heat exchange unit, heat exchange unit comprises the heat exchanger tube (1) that vertically is provided with more than, the parallel with one another and/or series connection setting of a plurality of heat exchanger tubes (1); Be respectively equipped with an above conducting strip (2) on the inwall of each heat exchanger tube (1); The outer end side of the whole conducting strips (2) in each heat exchanger tube (1) links to each other with the inwall one of heat exchanger tube (1) respectively, the inner end side of the whole conducting strips (2) in each heat exchanger tube (1) near the axis of heat exchanger tube (1) each other one link to each other, the plate face of whole conducting strips (2) in heat exchanger tube (1) along axially run through heat exchanger tube (1); And the endoporus of heat exchanger tube (1) is divided into several aquaporins that is arranged in juxtaposition (10); The outer surface of each heat exchanger tube (1) is respectively equipped with a plurality of wiring grooves (3) vertically, is embedded with heating wire (4) in the wiring groove (3), and the aquaporin (10) of the heat exchanger tube in the said heat exchange unit (1) is interconnected to heat supplying pipeline; The outer surface of heat exchange unit is coated with adiabator layer (8); The outside of adiabator layer (8) is provided with shell (9), and the water inlet of said heat supplying pipeline is connected with water inlet pipe (13), and the delivery port place of heat supplying pipeline is connected with outlet pipe (14); Water inlet pipe (13) and outlet pipe (14) outwards pass said adiabator layer (8) and said shell (9), and said heating wire (4) is electrically connected with electrical control gear.
2. integrated pipeline electric heating device according to claim 1; It is characterized in that the aquaporin (10) in each said heat exchanger tube (1) is interconnected to the water-filled pipe that polyphone communicates respectively at the two ends of heat exchanger tube (1); The upper/lower terminal that is positioned at said heat exchange unit in the said adiabator layer (8) is respectively equipped with cover plate; Cover plate is provided with more than one water channel; The water-filled pipe of the said heat exchanger tube (1) that parallel connection is provided with in the said heat exchange unit connects into the said heat supplying pipeline that polyphone communicates at the two ends of adjacent heat exchange tubes (1) through the water channel on the cover plate respectively; Said electrical control gear is arranged on the said shell (9), and electrical control gear is electrically connected with high temperature protection temperature sensor and indoor temperature transmitter respectively, and the probe of high temperature protection temperature sensor is arranged on said heating wire (4) and locates.
3. integrated pipeline electric heating device according to claim 2; The cross section that it is characterized in that said heat exchanger tube (1) is circle or ellipse or rectangle or hexagon; Heat exchanger tube (1) adopts aluminium alloy or copper or stainless steel material to process, and is provided with strip (11) between the heat exchanger tube (1) of parallel connection, and said strip (11) comprises four fins that are provided with vertically; The inner end of four fins one each other links to each other; The cross section of four fins is identical with the cross section of said wiring groove (3), and two adjacent fins insert in two the said wiring grooves (3) on the heat exchanger tube (1) simultaneously in four fins, and other two adjacent fins insert in two the said wiring grooves (3) on another heat exchanger tube (1) simultaneously in four fins; Thereby the heat exchanger tube (1) of these two parallel connections is connected together through strip (11); Said adiabator layer (8) adopts polyurethane to process, and the quantity of said conducting strip (5) is 3-8, and the plate face of conducting strip (5) is along the radially setting of said heat exchanger tube (1).
4. integrated pipeline electric heating device according to claim 3; It is characterized in that; Said outlet pipe (14) is positioned at the upper end of said heat exchange unit, and said water inlet pipe (13) is positioned at the lower end of heat exchange unit, and the delivery port place of outlet pipe (14) adopts three-way pipe (15) that moisturizing damping device (12) is installed; Moisturizing damping device (12) adopts three type atactic copolymerized polypropene materials to process; Be provided with heat pipe (16) in said outlet pipe (14) and the said water inlet pipe (13), heat pipe (16) extends outward the mouth of pipe of water inlet pipe (13) and outlet pipe (14), and water inlet pipe (13) and outlet pipe (14) adopt three type atactic copolymerized polypropene materials to process.
5. integrated pipeline electric heating device according to claim 4; The cross section that it is characterized in that said wiring groove (3) is a semicircular arc; The semicircular arc radius of wiring groove (3) is 1-1.5mm; The radius of said heating wire (4) is identical or smaller with the semicircular arc radius of wiring groove (3), and the width of wiring groove (3) opening part is than the little 0.2-0.3mm of diameter of said heating wire (4), and the wall thickness between the adjacent wire groove (3) is 1-3mm.
6. integrated pipeline electric heating device according to claim 5; It is characterized in that said heat pipe (16) adopts copper pipe to process; The diameter of bore of heat pipe (16) is 2-5mm, and the diameter of bore of said heat exchanger tube is 5-20mm, and the wall thickness of said conducting strip (2) is 1-3mm.
7. integrated pipeline electric heating device according to claim 6; The semicircular arc radius that it is characterized in that said wiring groove (3) is 1.5mm; Wall thickness between the adjacent wire groove (3) is 0.8mm, and the diameter of bore of said heat exchanger tube is 12mm, and the wall thickness of said conducting strip (2) is 2mm.
8. according to any one described integrated pipeline electric heating device in the claim 1 to 7; It is characterized in that upper/lower terminal at each said heat exchanger tube (1); Said heating wire (4) gets into this wiring groove (3) from the top of a wiring groove (3); Leave this wiring groove (3) from the lower end of this wiring groove (3), the upset bending gets into the lower end of another wiring groove (3) that is adjacent then, leaves from the top of this wiring groove (3) again; So move in circles, let said heating wire (4) be deployed in each wiring groove (3) of this said heat exchanger tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102536975A CN101917782B (en) | 2010-08-16 | 2010-08-16 | Integrated pipeline electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102536975A CN101917782B (en) | 2010-08-16 | 2010-08-16 | Integrated pipeline electric heating device |
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| Publication Number | Publication Date |
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| CN101917782A CN101917782A (en) | 2010-12-15 |
| CN101917782B true CN101917782B (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102536975A Expired - Fee Related CN101917782B (en) | 2010-08-16 | 2010-08-16 | Integrated pipeline electric heating device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102564781A (en) * | 2011-11-23 | 2012-07-11 | 深圳市英威腾电气股份有限公司 | Heat source simulation device for power device |
| US8936220B2 (en) * | 2011-12-08 | 2015-01-20 | GM Global Technology Operations LLC | Integrated shaped plastic exhaust system for fuel cell vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306638A1 (en) * | 1987-09-11 | 1989-03-15 | AEG KABEL Aktiengesellschaft | Heating hose |
| CN2342541Y (en) * | 1998-07-07 | 1999-10-06 | 鹤山市桃源华虹电气有限公司 | Electric heating tube for electric water heater |
| CN2530418Y (en) * | 2002-02-01 | 2003-01-08 | 陈非 | Centrally heating heater |
| CN101191155A (en) * | 2006-11-22 | 2008-06-04 | 贵州世纪天元矿业有限公司 | Electric heating method for reduction pot and reduction pot used for the same |
-
2010
- 2010-08-16 CN CN2010102536975A patent/CN101917782B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306638A1 (en) * | 1987-09-11 | 1989-03-15 | AEG KABEL Aktiengesellschaft | Heating hose |
| CN2342541Y (en) * | 1998-07-07 | 1999-10-06 | 鹤山市桃源华虹电气有限公司 | Electric heating tube for electric water heater |
| CN2530418Y (en) * | 2002-02-01 | 2003-01-08 | 陈非 | Centrally heating heater |
| CN101191155A (en) * | 2006-11-22 | 2008-06-04 | 贵州世纪天元矿业有限公司 | Electric heating method for reduction pot and reduction pot used for the same |
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| CN101917782A (en) | 2010-12-15 |
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Granted publication date: 20120321 Termination date: 20130816 |