CN2850190Y - Electromagnetic induction heater - Google Patents
Electromagnetic induction heater Download PDFInfo
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- CN2850190Y CN2850190Y CN 200520029577 CN200520029577U CN2850190Y CN 2850190 Y CN2850190 Y CN 2850190Y CN 200520029577 CN200520029577 CN 200520029577 CN 200520029577 U CN200520029577 U CN 200520029577U CN 2850190 Y CN2850190 Y CN 2850190Y
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- electromagnetic induction
- heating
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- induction heater
- urceolus
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Abstract
The utility model electromagnetic induction heating device is composed of inductance coil winding the outer cylinder, at least an axial conducting magnetic material inner tube supported by insulated magnetic material in outer cylinder. The utility model features that the outer cylinder is electric conduction and insulated magnetic heat-resisting material. The thermal insulation layer is arranged between the outer cylinder and the inductance coil. The utility model heating device is simple structure, ease implement, and the input power can obtain thousands of kilowatts. The heating temperature is hundreds of degrees higher than the temperature of the electric heating tube, and energy is big. And the electromagnetic induction heating device can be widely used for the heating air such as steam turbine strong cold and circulating fluidized bed boiler stove ignition, heating water instead of the coal burning heating boiler, heating the crude oil which is in the oil transferring pipelines, and heating the freely flowing solid used for the chemical reactor heating. The electromagnetic induction heating device is provided with high equipment running safe reliability, small maintenance workload, high thermal efficiency, big power and small fluid pressure loss. And the electromagnetic induction heating device is provided with extensively popularization value and creates the larger social benefit and economic benefit after applying.
Description
Technical field
The utility model relates to a kind of device that fluids such as liquid, gas and runny solid is heated with the method for electromagnetic induction.
Background technology
At present, electromagnetic induction heating is mainly used in the technologies such as the quenching of machine-building and metallurgical industry aspect, diathermanous, melting, soldering and sintering.But still be unrealized to the electromagnetic induction heating of fluids such as liquid, gas and runny solid, the big flow fluid of more being unrealized, big input power, and in the electromagnetic induction heating of whole fluid line cross section.Therefore, limited applying of electromagnetic induction heating technology.
Summary of the invention
The purpose of this utility model provides and a kind ofly can realize powerful and to the electromagnetic induction heater of whole fluid cross-section heating to the fluids such as liquid, gas and runny solid of big flow.
The technical scheme that realizes the utility model purpose is:
This electromagnetic induction heater, by the inductance coil on urceolus, be provided with to manage at least one axial permeability magnetic material that is supported by non-magnet_conductible material in urceolus and form, characteristics are that urceolus is conduction and non-magnetic heat proof material, are added with thermal insulation layer between urceolus and inductance coil.
Described conduction and non-magnetic heat-resisting urceolus can be selected materials such as stainless steel, copper or aluminium alloy for use, make the tube of circular cylinder, square tube, rectangle tube or other shape.
Pipe can select for use carbon steel or stainless steel etc. can produce the big material of eddy current in the described permeability magnetic material, makes the pipe of round tube, triangle tube or other shape.According to the specific requirement of heated fluid, interior pipe also can be selected magnetic conduction and resistance to oxidation, corrosion-resistant material; The Curie point of inner tube material should be higher than the maximum operating temperature of device.
Described non-magnet_conductible material supports can establish supporting bracket or bracing frame in urceolus, have flowing hole on supporting bracket.
On the outer wall of the inwall of the inwall of described urceolus, interior pipe and interior pipe, also can scribble far-infrared material, to improve the auxilliary intensity of penetrating of heat.
Described inductance coil can be by sub-thread or stranded conductor coiling, and the cross section of lead can be rectangle, circle or other shape.
The AC power of importing on described inductance coil can be selected single phase poaer supply for use, also can select three phase mains for use; The optional power frequency supply of using also can be selected intermediate frequency power supply for use.
Electromagnetic induction heater of the present utility model, behind input ac power on the inductance coil, on the circumference of conduction non-magnet_conductible material urceolus, it is the short circuit current of the transformer secondary load of iron core that generation is equivalent to interior pipe, and this short circuit current can produce very high temperature on urceolus.Meanwhile, under the effect of the alternating magnetic field that produces on the pipe, will produce induced current in each of permeability magnetic material when inductance coil passes to alternating current, and be called eddy current, this eddy current also produces very high temperature on inner pipe.Heat up in the time of urceolus and interior pipe, realize in the urceolus of flowing through and the heating of the fluids such as liquid, gas and runny solid inside and outside the interior pipe.
The heat exchange area in convection cell when heating by the inner wall surface area of urceolus, in each pipe inner wall surface area and in each the long-pending summation of outer wall surface of pipe form, big and the distance of heat exchange area, and by modes such as convection current, radiation, conduction, convection cell heating simultaneously.Inductance coil does not directly contact with the metal material of heated urceolus, interior pipe, can solve the isolation of heated fluid and external circuit easily.The electromagnetic induction heating body is urceolus and interior pipe, but the convection cell Direct Contact Heating, and can be distributed on the cross section of whole fluid line.Therefore, electromagnetic induction heater of the present utility model, heat exchange distance bigger than heater heat exchange areas such as conventional electric heating pipes, the heat efficiency are much higher; Its input power can reach several thousand thousand watts; Heating-up temperature can exceed several Baidu than the heating-up temperature of electric heating tube and energy big; Have flowing hole on interior pipe and bracing frame or the supporting bracket, significantly reduced the resistance of convection cell.
Electromagnetic induction heater of the present utility model is simple in structure, according to the character of the medium that will heat, pressure, concentration, flow and the temperature etc. that requires heating, the professional and technical personnel can adjust the related parameter that has of each parts of electromagnetic induction heater, implements easily.Advantage such as have equipment operation security reliability height, maintenance workload is little, the heat efficiency is high, power is big, fluid pressure loss is little.
Electromagnetic induction heater of the present utility model can be widely used in: heated air,, CFBB radiator igniting cold by force as steam turbine etc.; Add hot water, as replacing civil heating boiler etc.; Be used for the heating crude oil of oil transportation pipeline etc.; Heat runny solid, as be used for chemical reaction kettle heating etc.Have promotional value widely, will produce than great society benefit and economic benefit after applying.
Description of drawings
Fig. 1 is the principle structure schematic diagram of a kind of embodiment of the utility model.
Fig. 2 is the radial section structural representation of Fig. 1 embodiment along the B phase.
Fig. 3 be among Fig. 2 A-A to cross-sectional view.
Fig. 4 is the cross-sectional view of the another kind of embodiment of the utility model.
Fig. 5 is the cross-sectional view of another embodiment of the utility model.
Among the figure: 1 outer cartridge heater, 2 interior heating tubes, 3 inductance coils, 4 thermal insulation layers, 5 insulating supports, 6 interior heating tube supporting brackets, 7 flowing holes, 8 reducing cylinders, 9 connecting cylinders, 10 supported holes.
Embodiment
The utility model is further described with the embodiment that provides below in conjunction with accompanying drawing.
Embodiment 1:
With reference to Fig. 1,2,3, this electromagnetic induction heater, by conduction and not magnetic conduction and heat-resisting outer cartridge heater 1 constitute, the periphery of cartridge heater is provided with thermal insulation layer 4 outside, is wound with inductance coil 3 on the insulating support on the thermal insulation layer 5; Be provided with the interior heating tube supporting bracket 6 of non-magnet_conductible material outside in the cartridge heater, be supported with heating tube 2 in the some axial permeability magnetic materials in the supported hole 10 on interior heating tube supporting bracket, on interior heating tube supporting bracket, have several flowing holes 7.
Conduction and non-magnetic heat-resisting outer cartridge heater can be selected materials such as stainless steel, copper or aluminium alloy for use, make the tube of circular cylinder, square tube, rectangle tube or other shape; Heating tube can select for use carbon steel or stainless steel etc. can produce the big material of eddy current in the permeability magnetic material, makes the pipe of round tube, triangle tube or other shape.Strengthen as need on the outer wall of the auxilliary inwall of penetrating the inwall of cartridge heater outside, interior heating tube of heat conduction and interior heating tube and scribble far-infrared material, to improve the auxilliary intensity of penetrating of heat.Inductance coil can be by sub-thread or stranded conductor coiling, and the cross section of lead can be rectangle, circle or other shape.The AC power of importing on the inductance coil can be selected single phase poaer supply for use, also can select three phase mains for use; The optional power frequency supply of using also can be selected intermediate frequency power supply for use.
Test example 1:
The utility model designer presses embodiment 1, implements an electromagnetic induction heater, and the device two ends are communicated with the pipeline of conveyance fluid through reducing cylinder 8, connecting cylinder 9.Can be from left to right according to the flow direction of instructions for use fluid, also can be from right to left.
Concrete parameter is as follows:
Outer cartridge heater: circle; Material 1Cr18Ni9Ti stainless steel; 273 millimeters of external diameters, 257 millimeters of internal diameters, 2600 millimeters of length, 8 millimeters of wall thickness.
Inductance coil: material copper; The lead square-section, thick 4 millimeters * wide 12 millimeters=48 square millimeters; The number of turn 98 circles/phase.
Interior heating tube: circle; No. 20 carbon steels of material; 3 millimeters of 20 millimeters of every external diameters, 14 millimeters of internal diameters, long 2400 millimeters, wall thickness; Establish 59 altogether.
Interior heating tube supporting bracket: material 1Cr18Ni9Ti stainless steel; 3 of quantity; Every thick 3 millimeters; Every block of plate is established 88 of flowing holes, 23 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 50 millimeters.
Insulating support: material epoxy resin board.
The AC power of importing on the inductance coil: 380 volts of operating voltages; Frequency 50 He Zhi; The number of phases 3 phases; The dihedral connected mode.Its magnetic linkage of input three-phase alternating-current supply is better than single phase poaer supply on inductance coil, can select existing electronic control circuit such as AC voltage adjusting module controls etc. for use, and,, reach the purpose of heating fluid to regulate the temperature of outer cartridge heater and interior heating tube according to the voltage on the adjustment inductance coil of fluid.
Reducing cylinder is preferably also used non-magnetic material, and to reduce magnetic screen, connecting cylinder can be used carbon steel material.
Heat run result:
1, heating Static Water
Fill it up with the water of 0.86 cubic metre of volume outside in the cartridge heater, energising back work phase current 223 ampere-hours heat water boiling after 6 minutes, 100 ℃.
2, heating moving air
Feed the air of 2262 cubic metres/hour of flows outside in the cartridge heater, energising back work phase current 223 ampere-hours heat after 26 minutes 520 ℃ of outlet air temperatures (platinum resistance thermometer measurement).
3, empty heating
Energising back work phase current 223 ampere-hours heated after 17 minutes, and the temperature of outer cartridge heater inwall, interior heating tube reaches 730 ℃ (infrared radiation thermometer measurements).
Annotate: in above heat run, the initial temperature of outer cartridge heater, interior heating tube, water, air etc. is 11 ℃.
Embodiment 2:
With reference to Fig. 4, this be a kind of can be as the electromagnetic induction heater of heating boiler, its structure is substantially the same manner as Example 1, is triangle tube but interior heating tube 2 selects for use, and has increased flowing hole 7.The supported hole 10 of heating tube also plays the effect of flowing hole simultaneously in supporting in the present embodiment.
Test example 2:
The utility model designer presses embodiment 2, implements an electromagnetic induction " heating boiler ".
Major parameter is as follows:
Outer cartridge heater: circle; Material 0Cr18Ni9Ti stainless steel; 273 millimeters of external diameters, 263 millimeters of internal diameters, 3200 millimeters of length, 5 millimeters of wall thickness.
Inductance coil: material copper; The lead square-section, thick 5 millimeters * wide 12 millimeters=60 square millimeters; The number of turn 89 circles/phase.
Interior heating tube: triangle; No. 20 carbon steels of material; 23 millimeters of every length of sides, 2700 millimeters of length, 3.5 millimeters of wall thickness; Establish 64 altogether.
Interior heating tube supporting bracket: material 0Cr18Ni9Ti stainless steel; 3 of quantity; Every thick 3 millimeters; Every block of plate is established 93 of flowing holes, 10 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 30 millimeters.
The AC power of importing on the inductance coil: 380 volts of operating voltages; Frequency 50 He Zhi; The number of phases 3 phases; The dihedral connected mode.
Through work phase current 260 ampere-hours on probation, 12 ℃ of the inlet temperatures of water, 3 cubic metres/minute of flows, the outlet temperature of heating back water can reach 68 ℃.
Embodiment 3:
With reference to Fig. 5, this is a kind of electromagnetic induction heater to runny solid heating, and its structure is substantially the same manner as Example 1, but whole device vertically is provided with.Can be from top to bottom according to the flow direction of instructions for use fluid, also can be from bottom to up.
Test example 3:
The utility model designer presses embodiment 3, implement an electromagnetic induction heater that the chemical reaction kettle of solid particulate materials heating is used, be used for when generating the reaction of rubber anti-ageing agent PPDB, carry out the fusion of solid particulate materials benzenediol earlier, carry out the thermal chemical reaction that adds that liquid paraxylene amine, solvent ortho-aminotoluene add dimethylbenzene, the adjacent triethylenetetraminehexaacetic acid fat of catalyst then.
Major parameter is as follows:
Outer cartridge heater: circle; Material 0Cr18Ni9Ti stainless steel; 325 millimeters of external diameters, 319 millimeters of internal diameters, 2200 millimeters of length, 3 millimeters of wall thickness.
Inductance coil: material copper; The lead square-section, thick 3 millimeters * wide 10 millimeters=30 square millimeters; The number of turn 131 circles/phase.
Interior heating tube: circle; Material 3Cr13 stainless steel; 3 millimeters of 60 millimeters of every external diameters, 54 millimeters of internal diameters, long 2000 millimeters, wall thickness; Establish 11 altogether.
Interior heating tube supporting bracket: material 0Cr18Ni9Ti stainless steel; 3 of quantity; Every thick 5 millimeters; Every block of plate is established 26 of flowing holes, 65 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 30 millimeters.
The AC power of importing on the inductance coil: 380 volts of operating voltages; Frequency 50 He Zhi; The number of phases 3 phases; The dihedral connected mode.
Can make the heat medium temperature reach 300 ℃ through trying out work phase current 130 ampere-hours, heating after 26 minutes, satisfy the manufacturing technique requirent that generates rubber anti-ageing agent PPDB.
Test example 4:
The utility model designer presses embodiment 1, has implemented one and can produce the high pressure of 9Mpa, the electromagnetic induction heater of high-temperature steam, and it is required to be used for when ethene adds water and generates ethanol turbine.
Major parameter is as follows:
Outer cartridge heater: circle; Material 1Cr18Ni9Ti stainless steel; 159 millimeters of external diameters, 137 millimeters of internal diameters, 3000 millimeters of length, 12 millimeters of wall thickness.
Inductance coil: material copper; The lead square-section, thick 5 millimeters * wide 20 millimeters=100 square millimeters; The number of turn 60 circles/phase.
Interior heating tube: circle; Material 3Cr13 stainless steel; 3.5 millimeters of 16 millimeters of every external diameters, 9 millimeters of internal diameters, long 2600 millimeters, wall thickness; Establish 21 altogether.
Interior heating tube supporting bracket: material 1Cr18Ni9Ti stainless steel; 3 of quantity; Every thick 4 millimeters; Every block of plate is established 26 of flowing holes, 21 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 50 millimeters.
The AC power of importing on the inductance coil: 380 volts of operating voltages; Frequency 50 He Zhi; The number of phases 3 phases; The dihedral connected mode.
Through work phase current 410 ampere-hours on probation, the water of 0.1 cubic metre/minute of flow can be heated to 170 ℃, produced above high pressure, the high-temperature steam of 9Mpa, it is required to have satisfied turbine.
Test example 5:
The utility model designer presses embodiment 1, implement a electromagnetic induction heater in the crude oil pipeline course of conveying to ducted crude oil heating and viscosity reducing, in this case, less demanding to heating, major part is heated to the several years to tens degree, indivedual more than 100 degree get final product, but require bringing-up section little to the heat medium resistance.
Major parameter is as follows:
Outer cartridge heater: circle; The material aluminium alloy; 1100 millimeters of external diameters, 1080 millimeters of internal diameters, 5000 millimeters of length, 10 millimeters of wall thickness.
Inductance coil: material copper; The lead circular cross-section, 6 square millimeters; The number of turn 600 circles/phase.
Interior heating tube: circle; Material 3Cr13 stainless steel; 3 millimeters of 160 millimeters of every external diameters, 154 millimeters of internal diameters, long 4600 millimeters, wall thickness; Establish 16 altogether.
Interior heating tube supporting bracket: material 0Cr18Ni9Ti stainless steel; 4 of quantity; Every thick 5 millimeters; Every block of plate is established 25 of flowing holes, 190 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 30 millimeters.
The AC power of importing on the inductance coil: 380 volts of operating voltages; Frequency 50 He Zhi; The number of phases 3 phases; The dihedral connected mode.
Through work phase current 20 ampere-hours on probation, 4 ℃ of heating in crude oil initial temperature, the outlet crude oil temperature reaches 23 ℃ after heating 0.3 minute.
Test example 6:
The utility model designer presses embodiment 1, implements the electromagnetic induction oil heating unit of a small bore, and in this case, externally corrosion-resistant the and resistance to pressure of cartridge heater requires low.
Major parameter is as follows:
Outer cartridge heater: square; Material brass; 33 millimeters of the length of sides, 420 millimeters of length, 2 millimeters of wall thickness.
Inductance coil: material copper; The lead circular cross-section, 2.5 square millimeters; The number of turn 800 circles.
Interior heating tube: circle; Material 3Cr13 stainless steel; 3 millimeters of 18 millimeters of every external diameters, 12 millimeters of internal diameters, long 300 millimeters, wall thickness; Establish 1 altogether.
Interior heating tube supporting bracket: material 0Cr18Ni9Ti stainless steel; 3 of quantity; Every thick 2 millimeters; Every block of plate is established 12 of flowing holes, 5 millimeters of each flowing hole diameters.
Thermal insulation layer: material ceramic fibre; Thick 8 millimeters.
The AC power of importing on the inductance coil: 220 volts of operating voltages; Frequency 50 He Zhi; Single-phase.
Through operating current 7 ampere-hours on probation, 6 ℃ of oily initial temperature, 0.2 cubic metre/minute of flow, heating back oil temperature can reach 20 ℃.
Claims (8)
1, a kind of electromagnetic induction heater, by the inductance coil on urceolus, in urceolus, be provided with to manage at least one axial permeability magnetic material that supports by non-magnet_conductible material and form, it is characterized in that urceolus is conduction and non-magnetic heat proof material, is added with thermal insulation layer between urceolus and inductance coil.
2, electromagnetic induction heater according to claim 1 is characterized in that described conduction and non-magnetic heat-resisting urceolus, can select stainless steel, copper or aluminum alloy materials for use, makes circular cylinder, square tube or rectangle tube.
3, electromagnetic induction heater according to claim 1 is characterized in that pipe can select for use carbon steel or stainless steel etc. can produce the big material of eddy current in the described permeability magnetic material to make round tube or triangle tube.
4, electromagnetic induction heater according to claim 3, pipe also can be selected magnetic conduction and resistance to oxidation, corrosion-resistant material in it is characterized in that; The Curie point of inner tube material should be higher than the maximum operating temperature of device.
5, electromagnetic induction heater according to claim 1 is characterized in that described non-magnet_conductible material supports can establish supporting bracket or bracing frame in urceolus, has flowing hole on supporting bracket.
6, electromagnetic induction heater according to claim 1 is characterized in that also can scribbling far-infrared material on the outer wall of the inwall of the inwall at described urceolus, interior pipe and interior pipe.
7, electromagnetic induction heater according to claim 1 is characterized in that described inductance coil can be by sub-thread or stranded conductor coiling, and the cross section of lead can be rectangle or circle.
8, electromagnetic induction heater according to claim 1 is characterized in that the AC power imported on described inductance coil, can select single phase poaer supply for use, also can select three phase mains for use; The optional power frequency supply of using also can be selected intermediate frequency power supply for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029577 CN2850190Y (en) | 2005-12-18 | 2005-12-18 | Electromagnetic induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029577 CN2850190Y (en) | 2005-12-18 | 2005-12-18 | Electromagnetic induction heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2850190Y true CN2850190Y (en) | 2006-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520029577 Expired - Fee Related CN2850190Y (en) | 2005-12-18 | 2005-12-18 | Electromagnetic induction heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN2850190Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642707A (en) * | 2016-11-03 | 2017-05-10 | 江阴市国豪电热电器制造有限公司 | Honeycomb pipeline electrical heater |
| CN107277958A (en) * | 2016-04-08 | 2017-10-20 | 周钦俊 | Heat roller |
| CN111426053A (en) * | 2020-04-07 | 2020-07-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | Pressure-resistant device of electromagnetic induction air heater |
| CN114364291A (en) * | 2019-06-18 | 2022-04-15 | 瑞海文多斯服务股份公司 | Continuous flow electromagnetic induction fluid heater in vending machines for preparing beverages |
-
2005
- 2005-12-18 CN CN 200520029577 patent/CN2850190Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277958A (en) * | 2016-04-08 | 2017-10-20 | 周钦俊 | Heat roller |
| CN106642707A (en) * | 2016-11-03 | 2017-05-10 | 江阴市国豪电热电器制造有限公司 | Honeycomb pipeline electrical heater |
| CN114364291A (en) * | 2019-06-18 | 2022-04-15 | 瑞海文多斯服务股份公司 | Continuous flow electromagnetic induction fluid heater in vending machines for preparing beverages |
| CN111426053A (en) * | 2020-04-07 | 2020-07-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | Pressure-resistant device of electromagnetic induction air heater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |