CN111795500A - Gas electromagnetic heating device and control method - Google Patents
Gas electromagnetic heating device and control method Download PDFInfo
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- CN111795500A CN111795500A CN202010626949.8A CN202010626949A CN111795500A CN 111795500 A CN111795500 A CN 111795500A CN 202010626949 A CN202010626949 A CN 202010626949A CN 111795500 A CN111795500 A CN 111795500A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000003595 mist Substances 0.000 claims description 10
- 239000010425 asbestos Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000006199 nebulizer Substances 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 241001122767 Theaceae Species 0.000 abstract description 8
- 102000004190 Enzymes Human genes 0.000 abstract description 6
- 108090000790 Enzymes Proteins 0.000 abstract description 6
- 230000009849 deactivation Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/081—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using electric energy supply
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Food Science & Technology (AREA)
- Special Spraying Apparatus (AREA)
- Air Humidification (AREA)
Abstract
The invention provides a gas electromagnetic heating device and a control method, the gas electromagnetic heating device comprises a cylinder body, one end of the cylinder body is provided with an air inlet, the other end of the cylinder body is provided with an air outlet, radiating fins which are uniformly distributed and radiate are arranged inside the cylinder body, the outside of the cylinder body is wrapped with a heat insulation layer, the outside of the heat insulation layer is wound with a high temperature resistant wire, and the high temperature resistant wire is connected with an electromagnetic induction heating power supply. The heating device can be used for heating dry air, providing dry hot air, heating steam with high humidity, generating high-temperature steam and carrying out steam enzyme deactivation in the tea processing process.
Description
Technical Field
The invention belongs to the field of tea processing equipment, and particularly relates to a gas electromagnetic heating device and a control method.
Background
In the tea processing process, hot air is needed in a plurality of different procedures, and the existing gas heating mode for generating the hot air mainly comprises a firewood and coal hot air furnace, an electric heating tube hot air furnace and an electric ceramic piece hot air furnace. The firewood and coal hot blast stove realizes air heating by the contact of air with the surface of the interlayer inner wall and the radiating fins in the interlayer through the interlayer between the hearth and the shell, but has large volume, low heat efficiency, temperature control is controlled by adding fuel, and the temperature control is not accurate; the electric heat pipe type hot-blast stove and the electric ceramic piece hot-blast stove are high in heat efficiency, fast in temperature rise and controllable in temperature, but the heating modes are air contact electric heating pipes and electric ceramic piece surface heating modes, so that the two hot-blast stoves only have the function of heating normal air, and steam with high humidity cannot be heated.
Disclosure of Invention
In order to solve the technical problems, the invention provides a gas electromagnetic heating device and a control method thereof, wherein the heating device can be used for heating dry air and dry hot air, can also be used for heating steam with high humidity and generating high-temperature steam for steam enzyme deactivation in the tea processing process.
In order to achieve the technical features, the invention is realized as follows: gaseous electromagnetic heating device, it includes the barrel, the one end of barrel is provided with the air intake, the other end of barrel is provided with the air outlet, the inside of barrel is provided with being of equipartition and is the fin that gives off the radiation, the outside parcel of barrel has thermal insulation layer, thermal insulation layer's outside winding has high temperature resistant wire, high temperature resistant wire links to each other with the electromagnetic induction heating power.
The cylinder body and the radiating fins are both made of magnetic conductive metal materials.
The heat insulation layer is an asbestos layer.
The ultrasonic atomizer is fixedly arranged outside the conical barrel at the end of the air inlet of the barrel and connected with the atomizing nozzle arranged inside the air inlet.
The middle part of the bottom of the barrel is provided with a drain valve.
The top of the barrel is provided with a temperature probe close to the air outlet, the temperature probe is connected with the signal input end of the controller through a first signal wire, the signal output end of the controller is connected with the electromagnetic induction heating power supply, and the temperature probe is controlled to be started or stopped so as to achieve the purpose of controlling the power supply of the high-temperature-resistant wire.
The inside top of barrel is provided with the humidity probe, the humidity probe passes through the signal line and links to each other with the controller, the signal output part of controller passes through the signal line and links to each other with ultrasonic controller, ultrasonic controller links to each other with the ultrasonic atomization ware to control its atomizing water spray volume.
The control method of the gas electromagnetic heating device comprises the steps of introducing air into a cylinder through an air inlet by adopting an air blower, starting an electromagnetic induction heating power supply in advance to supply current to a high-temperature-resistant wire, realizing electromagnetic heating for a radiating fin in the cylinder, and further heating the air in the heating process;
the temperature of an air outlet in the cylinder body is monitored in real time through a temperature probe, a signal is transmitted to a controller, the controller is compared with a required temperature value, and when the temperature reaches a set value, the controller controls an electromagnetic induction heating power supply to be turned off, so that the heating is stopped; when the temperature is lower than a set value, the controller controls the electromagnetic induction heating power supply to be started, and then heating is continued;
monitoring the humidity of air in the cylinder through a humidity probe, transmitting a signal to a controller, comparing the humidity with a required humidity value through the controller, and controlling an ultrasonic controller by the controller when the humidity reaches a set value so as to control an ultrasonic atomizer to be closed and further stop continuously supplementing water mist; when the humidity is lower than a set value, the controller controls the ultrasonic controller to further control the ultrasonic atomizer to be started, and further water mist is automatically supplemented.
The invention has the following beneficial effects:
1. the heating device can be used for heating dry air, providing dry hot air, heating steam with high humidity, generating high-temperature steam and carrying out steam enzyme deactivation in the tea processing process.
2. By adopting the magnetic conductive metal material, the electromagnetic heating can be realized.
3. The asbestos layer can achieve the purposes of heat preservation and insulation.
4. The ultrasonic atomizer can generate atomized particles and further provide water, and the atomizing nozzle can spray water mist. The water supply device can be used for supplying water so as to form steam. Thereby realizing the steam enzyme deactivation in the tea processing process.
5. The purpose of draining water can be achieved through the drain valve.
6. The automatic temperature control can be realized through the cooperation between the temperature probe and the controller.
7. The automatic control of the humidity can be realized through the cooperation between the humidity probe and the controller.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a front view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a left side sectional view of the present invention.
Fig. 4 is a three-dimensional cross-sectional view of the present invention.
Fig. 5 is a three-dimensional structure view of the present invention.
In the figure: the device comprises a cylinder body 1, an air inlet 2, an air outlet 3, a radiating fin 4, a temperature probe 5, a drain valve 6, a high-temperature-resistant wire 7, a heat-insulating layer 8, an ultrasonic atomizer 9, an atomizing nozzle 10, a humidity probe 11, a first signal wire 12, an electromagnetic induction heating power supply 13, a controller 14 and an ultrasonic controller 15.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-5, the gas electromagnetic heating device comprises a cylinder 1, wherein an air inlet 2 is arranged at one end of the cylinder 1, an air outlet 3 is arranged at the other end of the cylinder 1, radiating fins 4 which are uniformly distributed and radiate are arranged inside the cylinder 1, a heat insulation layer 8 is wrapped outside the cylinder 1, a high temperature resistant wire 7 is wound outside the heat insulation layer 8, and the high temperature resistant wire 7 is connected with an electromagnetic induction heating power supply 13. The heating device can be used for heating dry air, providing dry hot air, heating steam with high humidity, generating high-temperature steam and carrying out steam enzyme deactivation in the tea processing process. In the specific working process, the electromagnetic induction heating power supply 13 can provide current for the high-temperature-resistant wire 7, so that electromagnetic heating is realized, and the radiating fins 4 inside the cylinder body 1 are heated to achieve the purpose of electromagnetic heating.
Further, the cylinder 1 and the heat sink 4 are both made of magnetic conductive metal materials. By adopting the magnetic conductive metal material, the electromagnetic heating can be realized.
Further, the heat insulation layer 8 is an asbestos layer. The asbestos layer can achieve the purposes of heat preservation and insulation.
Further, the outside of the conical cylinder body at the end of the air inlet 2 of the cylinder body 1 is fixedly provided with an ultrasonic atomizer 9, and the ultrasonic atomizer 9 is connected with an atomizing nozzle 10 arranged inside the air inlet 2. Atomized particles can be generated by the ultrasonic atomizer 9, and further, water is supplied, and the mist can be discharged by the atomizer 10. The water supply device can be used for supplying water so as to form steam. Thereby realizing the steam enzyme deactivation in the tea processing process.
Further, a drain valve 6 is arranged in the middle of the bottom of the barrel 1. Through the above-mentioned drain valve 6, after heating the steam for a long time, in the shut-down condition, can open the drain valve 6 and discharge the moisture that has accumulated in the barrel.
Further, a temperature probe 5 is arranged at the top of the barrel 1 close to the air outlet 3, the temperature probe 5 is connected with a signal input end of a controller 14 through a first signal wire 12, a signal output end of the controller 14 is connected with an electromagnetic induction heating power supply 13, and the temperature probe is controlled to be started or stopped so as to control the power supply of the high-temperature-resistant wire 7. The temperature of the air outlet in the cylinder 1 can be monitored by the temperature probe 5, a signal is transmitted to the controller, the controller is compared with a required temperature value, and when the temperature reaches a set value, the controller 14 controls the electromagnetic induction heating power supply 13 to be turned off, so that the heating is stopped; when the temperature is lower than the set value, the controller 14 controls the electromagnetic induction heating power supply 13 to be turned on, so as to continue heating and increasing the temperature.
Further, the inside top of barrel 1 is provided with humidity probe 11, humidity probe 11 passes through the signal line and links to each other with controller 14, the signal output part of controller 14 passes through the signal line and links to each other with ultrasonic controller 15, ultrasonic controller 15 links to each other with ultrasonic nebulizer 9 to control its atomizing water spray volume. The humidity of the air in the cylinder 1 can be monitored by the humidity probe 11, a signal is transmitted to the controller, the controller is compared with a required humidity value, when the humidity reaches a set value, the controller 14 controls the ultrasonic controller 15, further controls the ultrasonic atomizer 9 to be closed, and further stops continuously replenishing water mist; when the humidity is lower than the set value, the controller 14 controls the ultrasonic controller 15 to further control the ultrasonic atomizer 9 to be started, and further stops replenishing the water mist.
Example 2:
an air blower is adopted to introduce air into the barrel 1 through an air inlet 2, an electromagnetic induction heating power supply 13 is started in advance to supply current to a high-temperature-resistant wire 7, electromagnetic heating is achieved on a radiating fin 4 in the barrel, and then the air is heated, and in the heating process;
the temperature of an air outlet in the cylinder body 1 is monitored in real time through the temperature probe 5, a signal is transmitted to the controller, the controller is compared with a required temperature value, and when the temperature reaches a set value, the controller 14 controls the electromagnetic induction heating power supply 13 to be turned off, so that the heating is stopped; when the temperature is lower than the set value, the controller 14 controls the electromagnetic induction heating power supply 13 to be started, and then heating is continued;
monitoring the humidity of the air in the cylinder body 1 through a humidity probe 11, transmitting a signal to a controller, comparing the humidity with a required humidity value through the controller, and when the humidity reaches a set value, controlling an ultrasonic controller 15 by a controller 14, further controlling an ultrasonic atomizer 9 to be closed, and further stopping continuously replenishing water mist; when the humidity is lower than the set value, the controller 14 controls the ultrasonic controller 15 to further control the ultrasonic atomizer 9 to be started, and further stops replenishing the water mist.
Claims (8)
1. Gaseous electromagnetic heating device, its characterized in that: it includes barrel (1), the one end of barrel (1) is provided with air intake (2), the other end of barrel (1) is provided with air outlet (3), the inside of barrel (1) is provided with be that of equipartition is radiating fin (4), the outside parcel of barrel (1) has thermal-insulated insulating layer (8), the outside winding of thermal-insulated insulating layer (8) has high temperature resistant wire (7), high temperature resistant wire (7) link to each other with electromagnetic induction heating power (13).
2. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the cylinder body (1) and the radiating fins (4) are both made of magnetic conductive metal materials.
3. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the heat insulation layer (8) is an asbestos layer.
4. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the ultrasonic atomizer (9) is fixedly installed outside the conical barrel body at the end where the air inlet (2) of the barrel body (1) is located, and the ultrasonic atomizer (9) is connected with an atomizing nozzle (10) arranged inside the air inlet (2).
5. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the middle part of the bottom of the barrel body (1) is provided with a drain valve (6).
6. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the temperature-sensing device is characterized in that a temperature probe (5) is arranged at the top of the barrel body (1) close to the air outlet (3), the temperature probe (5) is connected with a signal input end of a controller (14) through a first signal wire (12), a signal output end electromagnetic induction heating power supply (13) of the controller (14) is connected with each other, and the temperature-sensing device is controlled to be started or stopped to achieve the purpose of controlling the power supply of the high-temperature-resistant wire (7).
7. An electromagnetic gas heating apparatus as set forth in claim 1, wherein: the inside top of barrel (1) is provided with humidity probe (11), humidity probe (11) pass through the signal line and link to each other with controller (14), the signal output part pass through the signal line and link to each other with ultrasonic controller (15) of controller (14), ultrasonic controller (15) link to each other with ultrasonic nebulizer (9) to control its atomizing water spray volume.
8. A control method of a gas electromagnetic heating apparatus according to any one of claims 1 to 7, characterized by comprising: an air blower is adopted to introduce air into the barrel (1) through an air inlet (2), an electromagnetic induction heating power supply (13) is started in advance to supply current to a high-temperature-resistant wire (7), electromagnetic heating is achieved on a radiating fin (4) in the barrel, and then the air is heated in the heating process;
the temperature of an air outlet in the cylinder body (1) is monitored in real time through the temperature probe (5), a signal is transmitted to the controller, the controller is compared with a required temperature value, and when the temperature reaches a set value, the controller (14) controls the electromagnetic induction heating power supply (13) to be turned off, so that the heating is stopped; when the temperature is lower than a set value, the controller (14) controls the electromagnetic induction heating power supply (13) to be started, and then heating is continued;
monitoring the humidity of air in the cylinder body (1) through a humidity probe (11), transmitting a signal to a controller, comparing the humidity with a required humidity value through the controller, and controlling an ultrasonic controller (15) through a controller (14) when the humidity reaches a set value so as to control an ultrasonic atomizer (9) to be closed and stop continuously supplementing water mist; when the humidity is lower than a set value, the controller (14) controls the ultrasonic controller (15) to further control the ultrasonic atomizer (9) to be started, and further water mist is automatically supplemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626949.8A CN111795500A (en) | 2020-07-02 | 2020-07-02 | Gas electromagnetic heating device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010626949.8A CN111795500A (en) | 2020-07-02 | 2020-07-02 | Gas electromagnetic heating device and control method |
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| Publication Number | Publication Date |
|---|---|
| CN111795500A true CN111795500A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010626949.8A Pending CN111795500A (en) | 2020-07-02 | 2020-07-02 | Gas electromagnetic heating device and control method |
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| Country | Link |
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| CN (1) | CN111795500A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739003A (en) * | 2022-05-01 | 2022-07-12 | 袁军章 | Electromagnetic induction cold air heating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599274A (en) * | 2012-02-29 | 2012-07-25 | 中国农业科学院茶叶研究所 | Microenvironment humidity control method for tea scenting operation |
| CN203801622U (en) * | 2014-04-09 | 2014-09-03 | 遵义博信科技咨询有限责任公司 | Automatic tea inactivation device |
| CN204070373U (en) * | 2014-10-20 | 2015-01-07 | 福建佳友茶叶机械智能科技股份有限公司 | A kind of Multifunctional tea processing integrated machine |
| CN104913393A (en) * | 2015-06-29 | 2015-09-16 | 马维理 | Constant-temperature constant-humidity air conditioner |
| KR20170105934A (en) * | 2016-03-11 | 2017-09-20 | 농업회사법인 주식회사 헵시바 에프엔비 | Dry apparatus with an auto control function using of a humidity and temperature |
| CN107588651A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | A kind of electromagnetic induction heating high temperature air dryer |
| CN212339626U (en) * | 2020-07-02 | 2021-01-12 | 湖北天池机械股份公司 | Gas electromagnetic heating device |
-
2020
- 2020-07-02 CN CN202010626949.8A patent/CN111795500A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599274A (en) * | 2012-02-29 | 2012-07-25 | 中国农业科学院茶叶研究所 | Microenvironment humidity control method for tea scenting operation |
| CN203801622U (en) * | 2014-04-09 | 2014-09-03 | 遵义博信科技咨询有限责任公司 | Automatic tea inactivation device |
| CN204070373U (en) * | 2014-10-20 | 2015-01-07 | 福建佳友茶叶机械智能科技股份有限公司 | A kind of Multifunctional tea processing integrated machine |
| CN104913393A (en) * | 2015-06-29 | 2015-09-16 | 马维理 | Constant-temperature constant-humidity air conditioner |
| KR20170105934A (en) * | 2016-03-11 | 2017-09-20 | 농업회사법인 주식회사 헵시바 에프엔비 | Dry apparatus with an auto control function using of a humidity and temperature |
| CN107588651A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | A kind of electromagnetic induction heating high temperature air dryer |
| CN212339626U (en) * | 2020-07-02 | 2021-01-12 | 湖北天池机械股份公司 | Gas electromagnetic heating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739003A (en) * | 2022-05-01 | 2022-07-12 | 袁军章 | Electromagnetic induction cold air heating device |
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