CN107197555B - Non-radiative efficient electromagnetic induction heating equipment - Google Patents
Non-radiative efficient electromagnetic induction heating equipment Download PDFInfo
- Publication number
- CN107197555B CN107197555B CN201710625700.3A CN201710625700A CN107197555B CN 107197555 B CN107197555 B CN 107197555B CN 201710625700 A CN201710625700 A CN 201710625700A CN 107197555 B CN107197555 B CN 107197555B
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- heating
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- induction
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 140
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 33
- 230000006698 induction Effects 0.000 claims abstract description 55
- 230000005855 radiation Effects 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/38—Coil arrangements specially adapted for fitting into hollow spaces of workpieces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
Abstract
The invention discloses a non-radiative efficient electromagnetic induction heating device, and relates to the technical field of electromagnetic induction heating. According to the non-radiation efficient electromagnetic induction heating equipment, the magnetic heating body is arranged in the concave-shaped heating cavity, the induction coil is arranged in the induction cavity of the concave part, and the induction coil is completely wrapped by the magnetic heating body, so that complete separation of a medium and electricity is realized, and the use safety is improved; the magnetic heating body is completely immersed in the medium, so that contact type rapid heating is realized, and the conversion efficiency of heat energy is improved; the induction coil is completely wrapped in the magnetic heating body, so that all electric energy can be converted into heat energy, and the energy conversion efficiency is improved; the high-frequency magnetic field generated by the induction coil is sealed, so that no radiation of the high-frequency magnetic field is realized; the non-radiation efficient electromagnetic induction heating equipment is simple in structure, the induction coil is convenient to replace, the energy utilization rate is high, and the non-radiation efficient electromagnetic induction heating equipment has good practical value.
Description
Technical Field
The invention belongs to the technical field of electromagnetic induction heating, and particularly relates to a non-radiative efficient electromagnetic induction heating device.
Background
Under the promotion of advocating the use of clean, efficient and renewable energy policies, the traditional heat energy production mode using coal and petroleum as fuel has been gradually replaced by a high-tech heat energy production mode with the characteristics of high efficiency and energy conservation.
Electromagnetic induction heating is to generate a high-frequency alternating magnetic field through an electromagnetic induction coil, generate eddy current in a heating body through the high-frequency alternating magnetic field and finish conversion from electric energy to heat energy. On the one hand, in the prior art, a device or equipment for electrically heating liquid or solid is usually to electrify and heat on a resistance wire or a resistance belt, a heating body is positioned in a heating medium, for example, the liquid has conductivity, a heating pipe sleeved outside the heating body is damaged and aged after long-time use, and the phenomena of conductivity, electric leakage and the like are caused by the reduction of insulating property; on the other hand, the electromagnetic induction heating device in the prior art has the common problems of electromagnetic radiation and heat energy dissipation, the electromagnetic radiation has bad influence on surrounding people and electric equipment, and the heat energy dissipation reduces the electric heat conversion efficiency.
Based on the above, the invention provides the non-radiative efficient electromagnetic induction heating equipment, the induction coil is completely wrapped in the magnetic heating body, all electric energy is converted into magnetic energy and then into heat energy, and the energy conversion efficiency is improved; and can totally enclose the high-frequency magnetic field generated by the induction coil, thereby realizing no radiation of the high-frequency magnetic field.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the non-radiative efficient electromagnetic induction heating equipment, which is characterized in that a magnetic heating body is arranged in a concave heating cavity, an induction coil is arranged in an induction cavity of a concave part, and the induction coil is completely wrapped by the magnetic heating body, so that all electric energy can be converted into heat energy, and the energy conversion efficiency is improved; but also to achieve the non-radiation of the high-frequency magnetic field.
The invention solves the technical problems by the following technical scheme: the non-radiation efficient electromagnetic induction heating equipment sequentially comprises an induction coil, a high-temperature resistant insulating inner layer, a magnetic heating body and a high-temperature resistant insulating outer layer from inside to outside; the high-temperature resistant insulating inner layer and the high-temperature resistant insulating outer layer form a closed heating cavity with a concave longitudinal section; the concave part in the middle of the concave heating chamber forms an induction chamber; the magnetic heating body and the medium to be heated are arranged in the concave heating cavity, the induction coil is arranged in the induction cavity and is completely wrapped by the magnetic heating body and the medium to be heated; the induction coil is electrically connected with the electromagnetic heating control management module, and the electromagnetic heating control management module controls the induction coil and the electromagnetic induction heating equipment to work; a feed inlet is formed in the bottom of the concave heating chamber, and a discharge outlet is formed in the top of the concave heating chamber; the magnetic heaters corresponding to the feeding port and the discharging port are respectively provided with a first through hole so as to balance the pressure in the heating cavity in the feeding and discharging process and balance the temperature in the heating cavity in the rapid heating process, and magnetic leakage can not be caused.
Further, the magnetic heating body is an annular body or a rectangular frame body, and a plurality of second through holes are uniformly distributed on the magnetic heating body, so that the temperature and the pressure in a heating cavity are balanced in the heating and feeding and discharging processes, the use safety is improved, meanwhile, the temperature difference of mediums at different positions is reduced, the heating efficiency is improved, and the phenomenon that the heating effect is influenced by the too low local temperature is effectively prevented.
Furthermore, the magnetic heating body is made of magnetic metal iron, is completely soaked in the medium to be heated, can realize high-power heating, improves the rapid heating capacity, can completely wrap the induction coil by the medium to be heated, absorbs a high-frequency magnetic field generated by the induction coil, and realizes non-radiation heating.
Further, the induction coil is a multi-layer coil formed by a plurality of enameled wires, and an insulating layer is formed on the outer surface of the induction coil; the diameter of the enameled wire is 0.05mm-0.08mm; preferably, the induction coil is a two-layer coil formed by a plurality of enameled wires.
Furthermore, the induction coil is externally provided with a layer of insulating heat-conducting silica gel, so that heat can be introduced into a medium to be heated, heat loss is reduced, and heating efficiency is improved.
Further, a heat-insulating layer is arranged on the high-temperature-resistant insulating outer layer of the concave heating chamber, so that the dissipation of medium heat in the heating chamber is reduced.
Furthermore, the magnetic heating body and the medium to be heated are both magnetic metal materials to be heated, so that high-power, non-radiative and rapid heating is realized.
Further, the electromagnetic heating control management module comprises a control module, and a temperature sensing module, a switch module, a power module, a cooling module, a display module and an alarm module which are respectively and electrically connected with the control module, wherein the switch module is electrically connected with the induction coil; the temperature sensing module is used for sensing and detecting the temperature in the heating cavity, and sending a signal to the control module when the temperature exceeds the upper limit of the set value or is lower than the lower limit of the set value; the switch module is used for being periodically turned on and off when the equipment works; the temperature reducing module is used for controlling the temperature reducing module to work by the control module when the temperature in the heating cavity exceeds the upper limit of a set value, and simultaneously controlling the switch module to be turned off, so that the temperature in the heating cavity is reduced to be kept within the range of the set value; the control module is used for receiving and processing signals sent by each module, comparing the received or processed signals with set values corresponding to the current working mode of the equipment, and controlling the corresponding modules to execute corresponding actions according to comparison results so as to ensure that the power supply is cut off when the radiation-free efficient electromagnetic induction heating equipment works normally or fails; the display module is used for setting equipment parameters, displaying the temperature, the pressure and the like in the heating chamber; the alarm module is used for generating an alarm when a fault occurs; the power supply module is used for providing power supply for each module; the electromagnetic heating control management module realizes automatic control on the non-radiative efficient electromagnetic induction heating equipment, ensures the safe operation of the equipment, and effectively prevents the occurrence of electric leakage, electric shock or other safety accidents caused by circuit aging and the like.
Further, the electromagnetic heating control management module further comprises a driving module, wherein the driving module is respectively connected with the switch module and the control module and is used for driving the switch module to be turned on or turned off according to a control signal output by the control module.
Further, the control module is a PLC controller, and the switch module is an insulated gate bipolar transistor IGBT; the temperature sensing module is a temperature sensor, and the temperature sensor is arranged in the sensing cavity; the cooling module is a fan, and the fan is arranged in the induction cavity; the alarm module is an audible and visual alarm and is arranged on the high-temperature resistant insulating outer layer of the heating chamber.
The non-radiation efficient electromagnetic induction heating equipment provided by the invention has the following beneficial effects:
1. compared with the traditional electromagnetic induction heating equipment, the induction coil is arranged in the magnetic heating body and is used for heating from inside, and the magnetic heating body and the medium to be heated outside the induction coil can fully absorb heat, so that the heating efficiency is improved, the energy conversion efficiency is improved, and the high-frequency magnetic field generated by the induction coil can be absorbed, so that the non-radiation heating is realized;
2. the concave-shaped heating chamber forms a heating chamber and an induction chamber, so that the induction coil and a medium to be heated are completely separated, complete separation of the dielectric and the medium is realized, and the use safety is improved;
3. the magnetic heating body is completely immersed in the medium to be heated, so that contact type rapid heating is realized, the heat conversion efficiency is improved, the heat loss is small, high-power heating can be realized, and the heating speed is further improved;
4. the invention has the advantages of simple structure, convenient replacement of the induction coil, high energy utilization rate, high heating speed, environmental protection, energy conservation and good practical application value.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawing in the description below is only one embodiment of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a transverse cross-sectional view of a radiant-free high efficiency electromagnetic induction heating apparatus of the present invention;
FIG. 2 is a longitudinal cross-sectional view of a radiant-free high efficiency electromagnetic induction heating apparatus of the present invention;
FIG. 3 is a schematic diagram of the electromagnetic heating control management module of the present invention;
wherein: the heat-resistant and heat-resistant heating device comprises a 1-high-temperature-resistant insulating inner layer, a 2-heating chamber, a 3-induction chamber, a 4-magnetic heating body, a 5-induction coil, a 6-high-temperature-resistant insulating outer layer, a 7-feed inlet, an 8-discharge outlet and a 9-first through hole.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully by reference to the accompanying drawings, in which it is shown, however, only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the non-radiation efficient electromagnetic induction heating equipment provided by the invention sequentially comprises an induction coil 5, a high-temperature resistant insulating inner layer 1, a magnetic heating body 4 and a high-temperature resistant insulating outer layer 1 from inside to outside; the high-temperature resistant insulating inner layer 1 and the high-temperature resistant insulating outer layer 6 form a closed heating chamber 2 with a concave longitudinal section; the concave part in the middle of the concave heating chamber 2 forms an induction chamber 3; the magnetic heating body 4 and the medium to be heated are arranged in the concave heating chamber 2, the induction coil 5 is arranged in the induction chamber 3, and the magnetic heating body 4 and the medium to be heated are completely wrapped; the induction coil 5 is electrically connected with the electromagnetic heating control management module, and the electromagnetic heating control management module controls the induction coil 5 and the electromagnetic induction heating equipment to work; the bottom of the concave heating chamber 2 is provided with a feed inlet 7, and the top of the concave heating chamber is provided with a discharge outlet 8; the magnetic heaters 4 corresponding to the feed inlet 7 and the discharge outlet 8 are respectively provided with a first through hole 9.
The magnetic heating body 4 is a rectangular frame body, and a plurality of second through holes are uniformly distributed on the magnetic heating body 4; the magnetic heating body 4 is made of magnetic metal iron and is completely soaked in the medium to be heated.
The induction coil 5 is a two-layer coil formed by a plurality of enameled wires, and an insulating layer is formed on the outer surface of the induction coil 5; the diameter of the enameled wire is 0.05mm-0.08mm; the induction coil 5 is externally coated with a layer of insulating heat-conducting silica gel.
A heat-insulating layer is arranged on the high-temperature resistant insulating outer layer 6 of the concave heating chamber 2.
As shown in fig. 3, the electromagnetic heating control management module comprises a control module, and a temperature sensing module, a switch module, a power module, a cooling module, a display module and an alarm module which are respectively and electrically connected with the control module, wherein the switch module is electrically connected with the induction coil 5; the electromagnetic heating control management module further comprises a driving module, and the driving module is respectively connected with the switch module and the control module.
The control module is a PLC controller; the switch module is an insulated gate bipolar transistor IGBT, the collector C of the IGBT is connected with one end of the induction coil 5, the control electrode G of the IGBT is connected with the output end of the drive module, and the input end of the drive module is connected with the PLC; the temperature sensing module is a temperature sensor, the temperature sensor is arranged in the sensing chamber 3, the cooling module is a fan, the fan is arranged in the sensing chamber 3, the alarm module is an audible and visual alarm and is arranged on the high-temperature resistant insulating outer layer 6 of the heating chamber 2; the temperature sensor detects the temperature in the heating chamber 2, when the temperature in the heating chamber 2 exceeds the upper limit of a set value in the current working mode of the equipment, a signal is sent to the control module, the control module receives the signal and sends a control signal to control the fan to work, and meanwhile, the control signal is sent to the driving module to control the IGBT to be turned off, so that the temperature in the heating chamber 2 is reduced to be within the range of the set value; when the temperature is reduced to be within the set value range, the temperature sensor sends a signal to the control module, the control module controls the fan to stop working, and meanwhile controls the IGBT to be periodically turned on or off, so that the temperature in the heating chamber 2 is kept within the set temperature range; when the equipment fails, the audible and visual alarm gives out audible and visual alarm so that operators can find the failure early and detect and maintain the failure, and safety accidents are avoided.
The foregoing disclosure is merely illustrative of specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will readily recognize that changes and modifications are possible within the scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient electromagnetic induction heating equipment of no radiation which characterized in that: the induction coil (5), the high-temperature resistant insulating inner layer (1), the magnetic heating body (4) and the high-temperature resistant insulating outer layer (6) are sequentially arranged from inside to outside; the high-temperature resistant insulating inner layer (1) and the high-temperature resistant insulating outer layer (6) form a closed heating chamber (2) with a concave longitudinal section; the concave part in the middle of the concave heating chamber (2) forms an induction chamber (3); the magnetic heating body (4) and the medium to be heated are arranged in the concave heating chamber (2), the induction coil (5) is arranged in the induction chamber (3), and the induction coil is completely wrapped by the magnetic heating body (4) and the medium to be heated; the induction coil (5) is electrically connected with the electromagnetic heating control management module, and the electromagnetic heating control management module controls the induction coil (5) and the electromagnetic induction heating equipment to work; a feed inlet (7) is arranged at the bottom of the concave heating chamber (2), and a discharge outlet (8) is arranged at the top of the concave heating chamber (2); the magnetic heating bodies (4) corresponding to the feed inlet (7) and the discharge outlet (8) are respectively provided with a first through hole (9); the induction coil (5) is a multi-layer coil formed by a plurality of enameled wires, and an insulating layer is formed on the outer surface of the induction coil (5); the diameter of the enameled wire is 0.05mm-0.08mm; an insulating heat-conducting silica gel layer is externally arranged on the induction coil (5).
2. The radiation-free efficient electromagnetic induction heating apparatus as defined in claim 1, wherein: the magnetic heating body (4) is an annular body or a rectangular frame body, and a plurality of second through holes are uniformly distributed on the magnetic heating body (4).
3. The radiation-free efficient electromagnetic induction heating apparatus as claimed in claim 1 or 2, wherein: the magnetic heating body (4) is made of magnetic metal iron and is completely soaked in a medium to be heated.
4. The radiation-free efficient electromagnetic induction heating apparatus as defined in claim 1, wherein: and a heat-insulating layer is arranged on the high-temperature-resistant insulating outer layer (6) of the concave heating chamber (2).
5. The radiation-free efficient electromagnetic induction heating apparatus as defined in claim 1, wherein: the magnetic heating body (4) and the medium to be heated are both magnetic metal materials to be heated.
6. The radiation-free efficient electromagnetic induction heating apparatus as defined in claim 1, wherein: the electromagnetic heating control management module comprises a control module, and a temperature sensing module, a switch module, a power module, a cooling module, a display module and an alarm module which are electrically connected with the control module respectively, wherein the switch module is electrically connected with the induction coil (5).
7. The radiation-free efficient electromagnetic induction heating apparatus as defined in claim 6, wherein: the electromagnetic heating control management module further comprises a driving module, wherein the driving module is respectively connected with the switch module and the control module and is used for driving the switch module to be turned on or turned off according to a control signal output by the control module.
8. The radiant-free high efficiency electromagnetic induction heating apparatus of claim 7, wherein: the control module is a PLC controller; the switch module is an insulated gate bipolar transistor IGBT; the collector C of the insulated gate bipolar transistor IGBT is connected with one end of the induction coil (5), the control electrode G of the insulated gate bipolar transistor IGBT is connected with the output end of the driving module, and the input end of the driving module is connected with the PLC; the temperature sensing module is a temperature sensor, and the temperature sensor is arranged in the sensing chamber (3); the cooling module is a fan, and the fan is arranged in the induction chamber (3); the alarm module is an audible and visual alarm and is arranged on the high-temperature resistant insulating outer layer (6) of the heating chamber (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017103702902 | 2017-05-23 | ||
| CN201710370290 | 2017-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107197555A CN107197555A (en) | 2017-09-22 |
| CN107197555B true CN107197555B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625700.3A Active CN107197555B (en) | 2017-05-23 | 2017-07-27 | Non-radiative efficient electromagnetic induction heating equipment |
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| Country | Link |
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| CN (1) | CN107197555B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347619A (en) * | 2019-12-31 | 2020-06-30 | 苏州高通机械科技有限公司 | Injection molding machine is used in wheel production |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0729673A (en) * | 1993-07-13 | 1995-01-31 | Fuji Electric Co Ltd | High frequency electromagnetic induction heater |
| CN101275777A (en) * | 2008-05-07 | 2008-10-01 | *** | Magnetic energy fast water heating apparatus |
| CN102997399A (en) * | 2011-09-09 | 2013-03-27 | 陈友余 | Multilayer shielding anti-radiation high-frequency electromagnetic water heater |
| CN104582043A (en) * | 2014-12-15 | 2015-04-29 | 沈阳中合热源装备有限公司 | Zero-radiation high-efficient electric heating energy converter |
| CN205921771U (en) * | 2016-06-29 | 2017-02-01 | 雷中喜 | High frequency electric magnetism induction heater in liquid, gas or solid slips into |
| CN106559929A (en) * | 2016-10-27 | 2017-04-05 | 罗运生 | A kind of electromagnetic induction heater |
| CN207118008U (en) * | 2017-05-23 | 2018-03-16 | 罗运生 | A kind of radiationless high-efficiency electromagnetic induction heating equipment |
-
2017
- 2017-07-27 CN CN201710625700.3A patent/CN107197555B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0729673A (en) * | 1993-07-13 | 1995-01-31 | Fuji Electric Co Ltd | High frequency electromagnetic induction heater |
| CN101275777A (en) * | 2008-05-07 | 2008-10-01 | *** | Magnetic energy fast water heating apparatus |
| CN102997399A (en) * | 2011-09-09 | 2013-03-27 | 陈友余 | Multilayer shielding anti-radiation high-frequency electromagnetic water heater |
| CN104582043A (en) * | 2014-12-15 | 2015-04-29 | 沈阳中合热源装备有限公司 | Zero-radiation high-efficient electric heating energy converter |
| CN205921771U (en) * | 2016-06-29 | 2017-02-01 | 雷中喜 | High frequency electric magnetism induction heater in liquid, gas or solid slips into |
| CN106559929A (en) * | 2016-10-27 | 2017-04-05 | 罗运生 | A kind of electromagnetic induction heater |
| CN207118008U (en) * | 2017-05-23 | 2018-03-16 | 罗运生 | A kind of radiationless high-efficiency electromagnetic induction heating equipment |
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| CN107197555A (en) | 2017-09-22 |
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