CN107588651A - A kind of electromagnetic induction heating high temperature air dryer - Google Patents
A kind of electromagnetic induction heating high temperature air dryer Download PDFInfo
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- CN107588651A CN107588651A CN201610536180.4A CN201610536180A CN107588651A CN 107588651 A CN107588651 A CN 107588651A CN 201610536180 A CN201610536180 A CN 201610536180A CN 107588651 A CN107588651 A CN 107588651A
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Abstract
The invention discloses a kind of electromagnetic induction heating high temperature air dryer, including drying chamber, high temp-resistant blowing machine and heater, heater includes outer cylinder body and heat-removal bar, and outer cylinder body is provided with electromagnetic heating coil and magnetic conduction bar, and outer cylinder body cavity Inner is provided with heat-removal bar；Described heater air inlet connection high temp-resistant blowing machine, air outlet connect the air inlet of drying chamber, and drying chamber is provided with air inlet and air outlet, and drying chamber air outlet is connected with high temp-resistant blowing machine, draws into hot-air circulation.Instant invention overcomes the deficiencies in the prior art, design structure is reasonable, with reproducible, electromagnetic heating coil is arranged at outside outer cylinder body heating quality repeatability, and hot-air is carried out into conversion output, hot blast conveying uniform, using outer cylinder body and heat-removal bar integrative-structure good heat-transfer, air thermal conversion efficiency, resistive brush are improved, temperature intelligent control operation is convenient, and thermal efficiency height is environmentally safe.
Description
Technical field
The present invention relates to hot-air drying unit technical field, particularly belongs to a kind of electromagnetic induction heating high temperature air dryer.
Background technology
Existing hot-air drying device thermal source is provided using the combustion system of bavin, coal, combustion gas resource mostly, on combustion furnace connecting fan, is extracted into by blower fan in equipment to be dried.The hot blast technique so provided will be burnt substantial amounts of bavin, coal, combustion gas resource, and larger pollution is produced to environment.Thermal source utilization rate is low, inconvenient for operation, and temperature control is inaccurate, the drawbacks such as performance is unstable.
The content of the invention
It is an object of the invention to provide a kind of electromagnetic induction heating high temperature air dryer, the deficiencies in the prior art are overcome, design structure is reasonable, pass through electromagnetic induction heater, with reproducible, electromagnetic heating coil is arranged at outside outer cylinder body heating quality repeatability, and hot-air is carried out into conversion output, hot blast conveying uniform, using outer cylinder body and heat-removal bar integrative-structure good heat-transfer, air thermal conversion efficiency, resistive brush are improved, temperature intelligent control operation is convenient, and thermal efficiency height is environmentally safe；Make super-audio digital magnetic induction heating in product advantage with upper more efficient, more energy efficient, more environmentally friendly, safer, more practical.
The technical solution adopted by the present invention is as follows：
A kind of electromagnetic induction heating high temperature air dryer, including drying chamber, high temp-resistant blowing machine and heater, heater include outer cylinder body and heat-removal bar, and outer cylinder body is provided with electromagnetic heating coil and magnetic conduction bar, and outer cylinder body cavity Inner is provided with heat-removal bar；Described heater connection high temp-resistant blowing machine, high temp-resistant blowing machine connection drying chamber, drying chamber are provided with air inlet and air outlet, and drying chamber air outlet is connected with high temp-resistant blowing machine, draws into hot-air circulation.
Described electromagnetic heating coil 5~40KHZ of working frequency, 01 680 DEG C of operating temperature, described electromagnetic heating coil is connected with described power-supply controller of electric.Outer cylinder body is carbon steel material, heat-removal bar is transferred thermal energy to by the directly heating of electromagnetic heating coil energy autonomous induction, heat-removal bar is evenly distributed in outer cylinder body cavity, it is welded as a whole with outer cylinder body, heat-removal bar outer layer is in close contact with outer cylinder body internal layer, so as to which outer cylinder body heat energy is passed into heat-removal bar, electromagnetic heating coil can also make heat-removal bar produce vortex and be generated heat together with outer cylinder body simultaneously, the effect of adding the structural compactness and storage heat energy of electromagnetic induction heating high temperature air dryer, reduce the volume and manufacturing cost of electromagnetic induction heating high temperature air dryer.
The transmission speed of heat energy and efficiency are directlyed proportional to outer cylinder body exchange area between described outer cylinder body and heat-removal bar, heat-removal bar uses shaft-like, tubulose or strip carbon steel material, the volume of heat-removal bar should be more than the 14% of outer cylinder body internal cavity volume, a floor height density fiberglass felt is coated between outer cylinder body and electromagnetic heating coil, the skeleton of function of heat insulation and electromagnetic heating coil is played, high-density glass fibrofelt thickness is 20-30mm.
The flanging of described outer layer cylinder lower end is secured by bolts on outer cylinder body base.
Described electromagnetic heating coil outer layer forms closed magnetic circuit along multiple magnetic conduction bars that outer cylinder body is axially and radially installed and outer cylinder body, reduces magnetic leakage and electromagnetic radiation of the electromagnetic heating coil to the external world, adds the thermal efficiency of electromagnetic induction heating.
Thermistor is installed, for protecting coil between electromagnetic heating coil and outer cylinder body.Conducting control induction heating power controller is stopped after thermistor detects that electromagnetic heating coil temperature reaches the protection temperature value of setting, and cut-off control induction heating power controller is started working after thermistor detects electromagnetic heating coil temperature less than the protection temperature value set.So as to reach protection electromagnetic heating coil, the purpose of electromagnetic induction heating high temperature air dryer fault rate is reduced.
High temp-resistant blowing machine is arranged on outer cylinder body one end, a certain distance is remained with electromagnetic heating coil, for converging the heat by outer cylinder body and heat-removal bar, it is transported to air dryer and draws into hot air circulation, high temp-resistant blowing machine uses frequency control centrifugal blower, the rotating speed of adjustment frequency control centrifugal blower can control the operating temperature for adjusting electromagnetic induction heater air outlet in the unit interval by outer cylinder body and heat-removal bar air quantity, disengaging air channel is coated with heat-insulating material, reduce heat radiation and thermal losses, the thermal efficiency is improved, reduces energy consumption.
High temp-resistant blowing machine air inlet is provided with hygrosensor probe, for detecting hot air circulation temperature, control induction heating power controller is stopped after hygrosensor probe detects that hot air circulation temperature reaches the temperature value of induction heating power setting, induction heating power controller is controlled to start working after hygrosensor probe detects hot air circulation temperature less than the temperature value that induction heating power is set, so as to reach the purpose for automatically controlling operating temperature.
By above technical scheme so that electromagnetic induction heating high temperature air drying machine structure is compact, equipment is light, small volume, and equipment manufacturing cost is low, service life length, without frequent repair and maintenance；The flames of anger, firing rate is fast, can accurately control the operating temperature of electromagnetic induction heating high temperature air dryer, working frequency：5~40KHZ, 01 680 DEG C of operating temperature；The thermal efficiency is high, and electric conversion efficiency is up to 95%；The waste gas such as flue dust and carbon monoxide will not be discharged during production work, the possibility of heating of house people, animal anthracemia is avoided, use environment environmentally-friendly sanitary, environmental pollution will not be caused.
Described coil is high temperature resistant wire.
Compared with the prior art, beneficial effects of the present invention are as follows：
The present invention passes through Electromagnetic Heating, for heating quality repeatability with reproducible, electromagnetic heating coil is arranged at outer cylinder body outer wall, and the structure being welded as a whole in outer cylinder body cavity with outer cylinder body is evenly distributed on using heat-removal bar, good heat-transfer, raising air thermal conversion efficiency, resistive brush, firing rate are fast, temperature control is accurate, thermal efficiency height is pollution-free, energy-conserving and environment-protective, and installation operation is convenient.Super-audio digital magnetic induction heating is used in product advantage upper more efficient, more energy efficient, more environmentally friendly, safer, more practical, thoroughly solve the drawbacks such as the traditional heating mode thermal efficiency is low, firing rate is slow, big, the temperature control inaccuracy of pollution.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the heater internal sectional structure schematic diagram of the present invention；
Fig. 3 is the heater outer cylinder body and heat-removal bar structural representation of the present invention
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Fig. 4 is the schematic diagram of heating device of the present invention；
1. power-supply controller of electric in figure, 2. heaters, 3. drying chambers, 4. electromagnetic heating coils, 5. high-density glass fibrofelt, 6. magnetic conduction bars, 7. high temp-resistant blowing machines, 8. drying chamber air inlets, 9. drying chamber air outlet, 10. outer cylinder body bases, 2-1. outer cylinder bodies, 2-2. heat-removal bars.
Embodiment
Referring to accompanying drawing, a kind of electromagnetic induction heating high temperature air dryer, including power-supply controller of electric 1, drying chamber 3, high temp-resistant blowing machine 7 and heater 2, heater 2 includes outer cylinder body 2-1 and heat-removal bar 2-2, outer cylinder body 2-1 is provided with electromagnetic heating coil 4 and magnetic conduction bar 6, and outer cylinder body 2-1 cavitys Inner is provided with heat-removal bar 2-2；Described heater 2 connects high temp-resistant blowing machine 7, and high temp-resistant blowing machine 7 connects drying chamber 3, and drying chamber 3 is provided with air inlet 8 and air outlet 9, and drying chamber air outlet 9 is connected with high temp-resistant blowing machine 7, draws into hot-air circulation.
Described 5~the 40KHZ of working frequency of electromagnetic heating coil 4,01 680 DEG C of operating temperature, described electromagnetic heating coil 4 are connected with described power-supply controller of electric 1；Outer cylinder body 2-1 is carbon steel material, heat-removal bar 2-2 is transferred thermal energy to by the directly heating of the energy of electromagnetic heating coil 4 autonomous induction, heat-removal bar 2-2 is evenly distributed in outer cylinder body 2-1 cavitys, it is welded as a whole with outer cylinder body 2-1, heat-removal bar 2-2 outer layers are in close contact with outer cylinder body 2-1 internal layers, so as to which outer cylinder body 2-1 heat energy is passed into heat-removal bar 2-2, electromagnetic heating coil 4 can also make heat-removal bar 2-2 produce vortex and be generated heat together with outer cylinder body 2-1 simultaneously, the effect of adding the structural compactness and storage heat energy of electromagnetic induction heating high temperature air dryer, reduce the volume and manufacturing cost of electromagnetic induction heating high temperature air dryer.
The transmission speed of heat energy and efficiency are directlyed proportional to outer cylinder body 2-1 exchange areas between described outer cylinder body 2-1 and heat-removal bar 2-2, heat-removal bar 2-2 uses shaft-like, tubulose or strip carbon steel material, heat-removal bar 2-2 volume should be more than the 14% of outer cylinder body 2-1 internal cavity volumes, a floor height density fiberglass felt 5 is coated between outer cylinder body 2-1 and electromagnetic heating coil 4, the skeleton of function of heat insulation and electromagnetic heating coil 4 is played, the thickness of high-density glass fibrofelt 5 is 20-30mm.
The flanging of described outer layer cylinder 2-1 lower ends is secured by bolts on outer cylinder body base 10.
The described outer layer of electromagnetic heating coil 4 forms closed magnetic circuit along multiple magnetic conduction bars 6 that outer cylinder body 2-1 is axially and radially installed and outer cylinder body 2-1, reduces magnetic leakage and electromagnetic radiation of the electromagnetic heating coil 4 to the external world, adds the thermal efficiency of electromagnetic induction heating.
Thermistor is installed between electromagnetic heating coil 4 and outer cylinder body 2-1, for protecting coil.Conducting control induction heating power controller 1 is stopped after thermistor detects that the temperature of electromagnetic heating coil 4 reaches the protection temperature value of setting, and cut-off control induction heating power controller 1 is started working after thermistor detects the temperature of electromagnetic heating coil 4 less than the protection temperature value set.So as to reach protection electromagnetic heating coil 4, the purpose of electromagnetic induction heating high temperature air dryer fault rate is reduced.
High temp-resistant blowing machine 7 is arranged on outer cylinder body 2-1 one end, a certain distance is remained with electromagnetic heating coil 4, for converging the heat by outer cylinder body 2-1 and heat-removal bar 2-2, it is transported to air dryer and draws into hot air circulation, high temp-resistant blowing machine 7 uses frequency control centrifugal blower, the rotating speed of adjustment frequency control centrifugal blower can control the operating temperature for adjusting the air outlet of electromagnetic induction heater 2 in the unit interval by outer cylinder body 2-1 and heat-removal bar 2-2 air quantity, disengaging air channel is coated with heat-insulating material, reduce heat radiation and thermal losses, improve the thermal efficiency, reduce energy consumption.
The air inlet of high temp-resistant blowing machine 7 is provided with hygrosensor probe, for detecting hot air circulation temperature, induction heating power controller 1 is controlled to be stopped after hygrosensor probe detects that hot air circulation temperature reaches the temperature value of induction heating power setting, induction heating power controller 1 is controlled to start working after hygrosensor probe detects hot air circulation temperature less than the temperature value that induction heating power is set, so as to reach the purpose for automatically controlling operating temperature.
By above technical scheme so that electromagnetic induction heating high temperature air drying machine structure is compact, equipment is light, small volume, and equipment manufacturing cost is low, service life length, without frequent repair and maintenance；The flames of anger, firing rate is fast, can accurately control the operating temperature of electromagnetic induction heating high temperature air dryer, working frequency：5~40KHZ, 01 680 DEG C of operating temperature；The thermal efficiency is high, and electric conversion efficiency is up to 95%；The waste gas such as flue dust and carbon monoxide will not be discharged during production work, the possibility of heating of house people, animal anthracemia is avoided, use environment environmentally-friendly sanitary, environmental pollution will not be caused.
Claims (8)
1. a kind of electromagnetic induction heating high temperature air dryer, including power-supply controller of electric 1, drying chamber 3, high temp-resistant blowing machine 7 and heater 2, it is characterised in that：Described heater 2 includes outer cylinder body 2-1 and heat-removal bar 2-2, and outer cylinder body 2-1 is provided with electromagnetic heating coil 4 and magnetic conduction bar 6, and outer cylinder body 2-1 cavitys Inner is provided with heat-removal bar 2-2；Described heater 2 connects high temp-resistant blowing machine 7, and high temp-resistant blowing machine 7 connects drying chamber 3, and described drying chamber 3 is provided with air inlet 8 and air outlet 9, and drying chamber air outlet 9 is connected with high temp-resistant blowing machine 7, draws into hot-air circulation.
2. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：Described 5~the 40KHZ of working frequency of electromagnetic heating coil 4,01 680 DEG C of operating temperature, described electromagnetic heating coil 4 are connected with described power-supply controller of electric 1；Described outer cylinder body 2-1 is carbon steel material, heat-removal bar 2-2 is transferred thermal energy to by the directly heating of the energy of electromagnetic heating coil 4 autonomous induction, heat-removal bar 2-2 is evenly distributed in outer cylinder body 2-1 cavitys, it is welded as a whole with outer cylinder body 2-1, heat-removal bar 2-2 outer layers are in close contact with outer cylinder body 2-1 internal layers, so as to which outer cylinder body 2-1 heat energy is passed into heat-removal bar 2-2, electromagnetic heating coil 4 can also make heat-removal bar 2-2 produce vortex and be generated heat together with outer cylinder body 2-1 simultaneously, the effect of adding the structural compactness and storage heat energy of electromagnetic induction heating high temperature air dryer, reduce the volume and manufacturing cost of electromagnetic induction heating high temperature air dryer.
3. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：The transmission speed of heat energy and efficiency are directlyed proportional to outer cylinder body 2-1 exchange areas between described outer cylinder body 2-1 and heat-removal bar 2-2, heat-removal bar 2-2 uses shaft-like, tubulose or strip carbon steel material, heat-removal bar 2-2 volume should be more than the 14% of outer cylinder body 2-1 internal cavity volumes, a floor height density fiberglass felt 5 is coated between outer cylinder body 2-1 and electromagnetic heating coil 4, the skeleton of function of heat insulation and electromagnetic heating coil 4 is played, the thickness of high-density glass fibrofelt 5 is 20-30mm.
4. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：The flanging of described outer layer cylinder 2-1 lower ends is secured by bolts on outer cylinder body base 10.
5. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：The described outer layer of electromagnetic heating coil 4 forms closed magnetic circuit along multiple magnetic conduction bars 6 that outer cylinder body 2-1 is axially and radially installed and outer cylinder body 2-1, reduces magnetic leakage and electromagnetic radiation of the electromagnetic heating coil 4 to the external world, adds the thermal efficiency of electromagnetic induction heating.
6. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：Thermistor is installed between described electromagnetic heating coil 4 and outer cylinder body 2-1, for protecting coil；Conducting control induction heating power controller 1 is stopped after thermistor detects that the temperature of electromagnetic heating coil 4 reaches the protection temperature value of setting, and cut-off control induction heating power controller 1 is started working after thermistor detects the temperature of electromagnetic heating coil 4 less than the protection temperature value set；So as to reach protection electromagnetic heating coil 4, the purpose of electromagnetic induction heating high temperature air dryer fault rate is reduced.
7. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：High temp-resistant blowing machine 7 is arranged on outer cylinder body 2-1 one end, a certain distance is remained with electromagnetic heating coil 4, for converging the heat by outer cylinder body 2-1 and heat-removal bar 2-2, it is transported to air dryer and draws into hot air circulation, high temp-resistant blowing machine 7 uses frequency control centrifugal blower, the rotating speed of adjustment frequency control centrifugal blower can control the operating temperature for adjusting the air outlet of electromagnetic induction heater 2 in the unit interval by outer cylinder body 2-1 and heat-removal bar 2-2 air quantity, disengaging air channel is coated with heat-insulating material, reduce heat radiation and thermal losses, improve the thermal efficiency, reduce energy consumption.
8. according to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：The air inlet of high temp-resistant blowing machine 7 is provided with hygrosensor probe, for detecting hot air circulation temperature, induction heating power controller 1 is controlled to be stopped after hygrosensor probe detects that hot air circulation temperature reaches the temperature value of induction heating power setting, induction heating power controller 1 is controlled to start working after hygrosensor probe detects hot air circulation temperature less than the temperature value that induction heating power is set, so as to reach the purpose for automatically controlling operating temperature；According to claim1Described electromagnetic induction heating high temperature air dryer, it is characterised in that：Described coil is high temperature resistant wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610536180.4A CN107588651A (en) | 2016-07-10 | 2016-07-10 | A kind of electromagnetic induction heating high temperature air dryer |
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| CN201610536180.4A CN107588651A (en) | 2016-07-10 | 2016-07-10 | A kind of electromagnetic induction heating high temperature air dryer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981366A (en) * | 2018-07-02 | 2018-12-11 | 吉林农业大学 | A kind of hot wind and microwave coupling drying equipment |
| CN110186271A (en) * | 2019-06-20 | 2019-08-30 | 盐城迈克瑞机械有限公司 | A kind of high-frequency electromagnetic induction hot-blast stove for grain-drying |
| CN111795500A (en) * | 2020-07-02 | 2020-10-20 | 湖北天池机械股份公司 | Gas electromagnetic heating device and control method |
| CN112339205A (en) * | 2020-10-14 | 2021-02-09 | 舟山市普陀琪翔机械制造有限公司 | Electromagnetic dryer for lace cover foaming adhesive |
| CN113179563A (en) * | 2021-06-05 | 2021-07-27 | 卓木青藤(淄博)制冷科技有限公司 | Diffusion absorption type refrigeration machine core using electromagnetic heating mode |
| CN113446889A (en) * | 2021-05-19 | 2021-09-28 | 严灼坚 | Electromagnetic regenerative furnace |
| CN114294632A (en) * | 2021-12-13 | 2022-04-08 | 新疆宜中天环保科技有限公司 | Industrial electromagnetic medium-high temperature air heating device |
-
2016
- 2016-07-10 CN CN201610536180.4A patent/CN107588651A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981366A (en) * | 2018-07-02 | 2018-12-11 | 吉林农业大学 | A kind of hot wind and microwave coupling drying equipment |
| CN108981366B (en) * | 2018-07-02 | 2020-08-18 | 吉林农业大学 | Hot air microwave coupling drying equipment |
| CN110186271A (en) * | 2019-06-20 | 2019-08-30 | 盐城迈克瑞机械有限公司 | A kind of high-frequency electromagnetic induction hot-blast stove for grain-drying |
| CN111795500A (en) * | 2020-07-02 | 2020-10-20 | 湖北天池机械股份公司 | Gas electromagnetic heating device and control method |
| CN112339205A (en) * | 2020-10-14 | 2021-02-09 | 舟山市普陀琪翔机械制造有限公司 | Electromagnetic dryer for lace cover foaming adhesive |
| CN113446889A (en) * | 2021-05-19 | 2021-09-28 | 严灼坚 | Electromagnetic regenerative furnace |
| CN113179563A (en) * | 2021-06-05 | 2021-07-27 | 卓木青藤(淄博)制冷科技有限公司 | Diffusion absorption type refrigeration machine core using electromagnetic heating mode |
| CN114294632A (en) * | 2021-12-13 | 2022-04-08 | 新疆宜中天环保科技有限公司 | Industrial electromagnetic medium-high temperature air heating device |
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