CN201935386U - Hot-air device - Google Patents
Hot-air device Download PDFInfo
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- CN201935386U CN201935386U CN201120006899XU CN201120006899U CN201935386U CN 201935386 U CN201935386 U CN 201935386U CN 201120006899X U CN201120006899X U CN 201120006899XU CN 201120006899 U CN201120006899 U CN 201120006899U CN 201935386 U CN201935386 U CN 201935386U
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- electromagnetic induction
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- heating tube
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Abstract
The utility model relates to an energy-saving environment-friendly hot-air device, which is characterized in that the energy consumption can be reduced. The hot-air device comprises a blower and a box body, wherein, an air inlet and an air outlet are formed on the box body; an outlet of the blower is connected with the air inlet of the box body; a first partition board and a second partition board are arranged inside the box body; an air inlet cavity is formed between the first partition board and the air inlet inside the box body; an air outlet cavity is formed between the second partition board and the air outlet; a heating pipe is arranged between the first partition board and the second partition board; an inlet of the heating pipe is communicated with the air inlet cavity; the outlet of the heating pipe is communicated with the air outlet cavity; an electromagnetic induction coil is arranged on the heating pipe; and the electromagnetic induction coil is electrically connected with an alternating current power supply. As the heating pipe does not need to be heated by other heating elements, the heat and the electrical energy are not consumed during the heat quantity transmitting process, and the energy can be saved greatly; and meanwhile, the electromagnetic induction coil cannot emit heat either, and the electrical energy consumption can be reduced in the same way.
Description
Technical field
The utility model relates to a kind of hot air apparatus, is specifically related to a kind of hot air apparatus of energy-saving and environmental protection.
Background technology
At present, hot-blast stove begins extensive use in late 1970s in China as thermal power machinery, and it has become the regeneration product of electric heat source and traditional steam power thermal source in many industries.By long production practices, it has been recognized that to have only the hot blast of utilization as medium with carrier could improve heat utilization efficiency and the thermal technology makes effect biglyyer.Traditional hot-blast stove roughly divides two classes: high hot-blast stove, the indirect type hot-blast stove of purifying of direct-type.The high hot-blast stove that purifies of direct-type adopts fuel directly to burn exactly, forms hot blast through high purified treatment; The indirect type hot-blast stove promptly utilizes heat exchange, and as carrier, the heat exchanger by various ways adds hot-air with steam, conduction oil, flue gas etc.Though above-mentioned hot-blast stove form difference, but mostly all with fuel combustion as thermal source, the fuel of employing comprises solid fuels such as coal, coke, gaseous fuel such as liquid fuel such as diesel oil, heavy oil and coal gas, natural gas, not only the thermal efficiency is low, wastes energy in a large number in heating process; And equipment requires more, the complex technical process of auxiliary device; Simultaneously, burning and exhausting and residue cause very big pollution to environment; The electric heating tube of Chu Xianing was as the hot-blast stove of thermal source in recent years, though reduced pollution, power consumption is big, cost is high, can't effectively improve equipment thermal efficiency.
The utility model content
Technical problem to be solved in the utility model provides a kind of hot air apparatus that can effectively cut down the consumption of energy.
The technical scheme that its technical problem that solves the utility model adopts is: hot air apparatus, comprise blower fan, casing with air intake vent and air outlet, the outlet of blower fan is connected the air intake vent place of casing, in casing, be provided with first dividing plate and second partition, in casing, form the inlet air chamber between described first dividing plate and the air intake vent, in casing, form the air-out chamber between described second partition and the air outlet, between first dividing plate and second partition, be provided with heating tube, the inlet of heating tube communicates with the inlet air chamber, the outlet of heating tube communicates with the air-out chamber, the place is provided with electromagnetic induction coil at heating tube, and electromagnetic induction coil is electrically connected with AC power.
Further be that described heating tube adopts straight tube to make.
Further be, be provided with temperature sensor at the air outlet place of casing, casing is provided with the controller that is electrically connected with temperature sensor, is provided with the switch element that is electrically connected with controller in the circuit between electromagnetic induction coil and the AC power.
Further be to be provided with frequency converter in the circuit between electromagnetic induction coil and the AC power.
Further be that described electromagnetic induction coil is looped around the heating tube periphery.
Further be to have the spacing of 0.5～3cm between described electromagnetic induction coil and the heating tube outer wall.
Further be between electromagnetic induction coil and heating tube outer wall, to be provided with heat-insulation layer, and between heat-insulation layer and electromagnetic induction coil, to be provided with thermal insulation layer.
The beneficial effects of the utility model are: adopt electromagnetic induction coil to make the heating tube adstante febre, because heating tube does not need other heaters to heat, but under electromagnetic field effect, generate heat by self-resistance by heating tube, there is not space medium, just there are not the thermal losses in the heat conductive process and the electric energy loss of heating self, therefore energy savings significantly; Simultaneously, itself does not generate heat electromagnetic induction coil yet, reduces the loss of electric energy equally, its long service life, and working stability is reliable, and maintenance cost is low, is particluarly suitable for applying on the various equipment that are used for drying, curing, oven dry.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cross-sectional view of heating tube.
Be labeled as among the figure: blower fan 1, air intake vent 2, air outlet 3, casing 4, first dividing plate 5, second partition 6, inlet air chamber 7, air-out chamber 8, heating tube 9, electromagnetic induction coil 10, AC power 11, temperature sensor 12, controller 13, switch element 14, frequency converter 15, heat-insulation layer 16, thermal insulation layer 17.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1 and shown in Figure 2, hot air apparatus of the present utility model, comprise blower fan 1, casing 4 with air intake vent 2 and air outlet 3, the outlet of blower fan 1 is connected air intake vent 2 places of casing 4, in casing 4, be provided with first dividing plate 5 and second partition 6, in casing 4, form inlet air chamber 7 between described first dividing plate 5 and the air intake vent 2, in casing 4, form air-out chamber 8 between described second partition 6 and the air outlet 3, between first dividing plate 5 and second partition 6, be provided with heating tube 9, the inlet of heating tube 9 communicates with inlet air chamber 7, the outlet of heating tube 9 communicates with air-out chamber 8, and 9 places are provided with electromagnetic induction coil 10 at heating tube, and electromagnetic induction coil 10 is electrically connected with AC power 11.During work, electromagnetic induction coil 10 logical alternating currents, simultaneously, blower fan 1 is opened, the inlet air chamber 7 of cold wind in blower fan 1 enters into casing 4, enter each heating tube 9 via inlet air chamber 7 again, at this moment, electromagnetic induction coil 10 produces the magnetic field that changes at a high speed under the situation of logical alternating current, when the magnetic line of force in the magnetic field passes through heating tube 9, in heating tube 9, produce powerful eddy current, and heating tube 9 itself is in short-circuit condition, so eddy current heating at a high speed voluntarily under the effect of heating tube 9 self-resistances, thereby has realized electric energy and heat energy conversion, reach the purpose to air heat in the heating tube 9, the hot blast after the heating heats from the material that air outlet 3 is gone out to the needs heating through air-out chamber 8.Because heating tube 9 does not need other heaters to heat, but under electromagnetic field effect, generate heat by self-resistance by heating tube 9, do not have space medium, just do not have the thermal losses in the heat conductive process and the electric energy loss of heating self, therefore energy savings significantly; Simultaneously, electromagnetic induction coil 10 itself does not generate heat yet, and reduces the loss of electric energy equally, its long service life, and working stability is reliable, and maintenance cost is low.In the present embodiment, heating tube 9 can adopt the arbitrary shape tube manufacture to form, and as optimal way, described heating tube 9 adopts straight tube to make.This straight pipe type air channel structure thermal loss is little, has made full use of the heat that equipment produces, thermal efficiency height.
For accurately controlling the hot blast temperature in the heating tube 9, air outlet 3 places at casing 4 are provided with temperature sensor 12, casing 4 is provided with the controller 13 that is electrically connected with temperature sensor 12, is provided with the switch element 14 that is electrically connected with controller 13 in the circuit between electromagnetic induction coil 10 and the AC power 11.Detect the temperature of hot blast in real time by this temperature sensor 12, and this temperature passed to controller 13, by controller 13 closures or cut-off switch unit 14, reach the purpose of the electric energy input of closed or disconnection electromagnetic induction coil 10, thereby obtain suitable hot blast temperature value.Temperature sensor 12 can adopt occasionally sensor such as thermal resistance of thermoelectricity, and switch element 14 can adopt A.C. contactor or other switching device.
Hot blast temperature for control air outlet 3 places send is provided with frequency converter 15 in the circuit between electromagnetic induction coil 10 and the AC power 11.Can adopt the shared frequency converter 15 of one or more groups electromagnetic induction coil 10 serial or parallel connections, or a plurality of frequency converter 15 corresponding plurality of electromagnetic induction coils 10.The power output of frequency converter 15 is 1～75KW, by rectification, inversion the output frequency of the AC power of 20/60Hz is converted to power frequency, intermediate frequency or high frequency, and preferred values adopts high frequency 17～80KHz.By changing the power in described electromagnetic induction coil 10 output magnetic fields, the hot blast temperature in the control heating tube 9; Can choose the different operating frequency of output by frequency converter 15, thereby increase temperature controlling range, improve the applicability of equipment.Described AC power 11 can adopt 220 volts, 380 volts AC powers to power, and by adding overcurrent protection frequency converter 15 and electromagnetic induction coil 10 is realized protection.
In the above embodiment, electromagnetic induction coil 10 can be arranged on a certain position outside the heating tube 9 or be provided with in the heating tube 9, and as optimal way, described electromagnetic induction coil 10 is looped around heating tube 9 peripheries, can improve the heating effect of heating tube 9.And, have the spacing of 0.5～3cm between described electromagnetic induction coil 10 and heating tube 9 outer walls in order further to improve the heating effect of heating tube 9, and can make heating tube 9 be in strong as far as possible field regions, guarantee the higher thermal efficiency.
For improving the heat insulation effect of heating tube 9, between electromagnetic induction coil 10 and heating tube 9 outer walls, be provided with heat-insulation layer 16, and between heat-insulation layer 16 and electromagnetic induction coil 10, be provided with thermal insulation layer 17.Heat-insulation layer 16 and thermal insulation layer 17 can carry out effective insulation to heating tube 9 to be handled, and the heat that reduces heating tube 9 inside scatters and disappears, and improves heat utilization efficiency.Described heat-insulation layer 16 can adopt materials such as asbestos or alumina silicate to make; Described thermal insulation layer 17 can adopt materials such as asbestos or rock wool felt rug to make.
Claims (7)
1. hot air apparatus, comprise blower fan (1), casing (4) with air intake vent (2) and air outlet (3), the outlet of blower fan (1) is connected the air intake vent (2) of casing (4) and locates, it is characterized in that: in casing (4), be provided with first dividing plate (5) and second partition (6), in casing (4), form inlet air chamber (7) between described first dividing plate (5) and the air intake vent (2), in casing (4), form air-out chamber (8) between described second partition (6) and the air outlet (3), between first dividing plate (5) and second partition (6), be provided with heating tube (9), the inlet of heating tube (9) communicates with inlet air chamber (7), the outlet of heating tube (9) communicates with air-out chamber (8), locate to be provided with electromagnetic induction coil (10) at heating tube (9), electromagnetic induction coil (10) is electrically connected with AC power (11).
2. hot air apparatus as claimed in claim 1 is characterized in that: described heating tube (9) adopts straight tube to make.
3. hot air apparatus as claimed in claim 1, it is characterized in that: the air outlet (3) in casing (4) locates to be provided with temperature sensor (12), casing (4) is provided with the controller (13) that is electrically connected with temperature sensor (12), is provided with the switch element (14) that is electrically connected with controller (13) in the circuit between electromagnetic induction coil (10) and the AC power (11).
4. hot air apparatus as claimed in claim 3 is characterized in that: be provided with frequency converter (15) in the circuit between electromagnetic induction coil (10) and the AC power (11).
5. according to any described hot air apparatus of claim in the claim 1 to 4, it is characterized in that: described electromagnetic induction coil (10) is looped around heating tube (9) periphery.
6. hot air apparatus as claimed in claim 5 is characterized in that: the spacing that has 0.5～3cm between described electromagnetic induction coil (10) and heating tube (9) outer wall.
7. hot air apparatus as claimed in claim 6 is characterized in that: be provided with heat-insulation layer (16) between electromagnetic induction coil (10) and heating tube (9) outer wall, and be provided with thermal insulation layer (17) between heat-insulation layer (16) and electromagnetic induction coil (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120006899XU CN201935386U (en) | 2011-01-11 | 2011-01-11 | Hot-air device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120006899XU CN201935386U (en) | 2011-01-11 | 2011-01-11 | Hot-air device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935386U true CN201935386U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120006899XU Expired - Fee Related CN201935386U (en) | 2011-01-11 | 2011-01-11 | Hot-air device |
Country Status (1)
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| CN (1) | CN201935386U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563860A (en) * | 2012-02-29 | 2012-07-11 | 李兰廷 | Electric heating hot blast stove for mine wellhead |
| CN103063007A (en) * | 2013-02-06 | 2013-04-24 | 无锡东源机械制造有限公司 | Hot air circulation electric heater |
| CN103103856A (en) * | 2012-12-27 | 2013-05-15 | 山东轻工业学院 | Heat blower for paper electromagnetism drying |
| CN104846609A (en) * | 2014-02-13 | 2015-08-19 | 海尔集团技术研发中心 | Washing machine and clothing drying method used for same |
| CN104880052A (en) * | 2015-06-04 | 2015-09-02 | 东莞华南设计创新院 | Auxiliary fan heater used for electric field drying |
| CN106288374A (en) * | 2016-08-18 | 2017-01-04 | 合肥朝霞机械科技有限公司 | A kind of electric power air stove |
| CN106418638A (en) * | 2016-09-27 | 2017-02-22 | 成都金丝草科技有限公司 | Electromagnetic intelligent curing barn heating device for tobacco curing |
| CN106705428A (en) * | 2017-03-20 | 2017-05-24 | 石家庄天源冷暖技术开发有限公司 | Compound electromagnetic heater and electromagnetic heating unit |
| CN106904321A (en) * | 2017-05-07 | 2017-06-30 | 金亚东 | A kind of thermal shrinking package machine of electromagnetic induction heating metal tunnel |
| CN107228483A (en) * | 2016-03-25 | 2017-10-03 | 风友机械(上海)有限公司 | A kind of air-heater control system and control method |
| CN107300257A (en) * | 2017-07-31 | 2017-10-27 | 无锡双翼汽车环保科技有限公司 | Portable electric is vortexed regenerator |
| CN107585368A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | Electromagnetic induction tunnel type thermal shrinking package machine |
| CN107581650A (en) * | 2017-09-30 | 2018-01-16 | 喆能环保技术（深圳）有限公司 | A kind of intelligent electromagnetic flue-cured tobacco equipment |
| CN108089622A (en) * | 2018-01-20 | 2018-05-29 | 盐城日盛纺织仓储有限公司 | A kind of movable type combing process Temperature and Humidity Control machine |
| CN110068142A (en) * | 2019-05-15 | 2019-07-30 | 秦皇岛新禹机械设备有限公司 | Encapsulate laminating apparatus hot air apparatus |
| CN110567152A (en) * | 2019-09-26 | 2019-12-13 | 山西兴恒和电子科技有限公司 | Mining intelligent frequency conversion electromagnetic induction air heater |
-
2011
- 2011-01-11 CN CN201120006899XU patent/CN201935386U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563860A (en) * | 2012-02-29 | 2012-07-11 | 李兰廷 | Electric heating hot blast stove for mine wellhead |
| CN103103856A (en) * | 2012-12-27 | 2013-05-15 | 山东轻工业学院 | Heat blower for paper electromagnetism drying |
| CN103103856B (en) * | 2012-12-27 | 2015-09-23 | 齐鲁工业大学 | Paper electromagnetic drying heat blower |
| CN103063007A (en) * | 2013-02-06 | 2013-04-24 | 无锡东源机械制造有限公司 | Hot air circulation electric heater |
| CN103063007B (en) * | 2013-02-06 | 2014-11-12 | 无锡东源机械制造有限公司 | Hot air circulation electric heater |
| CN104846609A (en) * | 2014-02-13 | 2015-08-19 | 海尔集团技术研发中心 | Washing machine and clothing drying method used for same |
| CN104880052A (en) * | 2015-06-04 | 2015-09-02 | 东莞华南设计创新院 | Auxiliary fan heater used for electric field drying |
| CN107228483A (en) * | 2016-03-25 | 2017-10-03 | 风友机械(上海)有限公司 | A kind of air-heater control system and control method |
| CN107585368A (en) * | 2016-07-10 | 2018-01-16 | 金亚东 | Electromagnetic induction tunnel type thermal shrinking package machine |
| CN106288374A (en) * | 2016-08-18 | 2017-01-04 | 合肥朝霞机械科技有限公司 | A kind of electric power air stove |
| CN106418638A (en) * | 2016-09-27 | 2017-02-22 | 成都金丝草科技有限公司 | Electromagnetic intelligent curing barn heating device for tobacco curing |
| CN106705428A (en) * | 2017-03-20 | 2017-05-24 | 石家庄天源冷暖技术开发有限公司 | Compound electromagnetic heater and electromagnetic heating unit |
| CN106904321A (en) * | 2017-05-07 | 2017-06-30 | 金亚东 | A kind of thermal shrinking package machine of electromagnetic induction heating metal tunnel |
| CN107300257A (en) * | 2017-07-31 | 2017-10-27 | 无锡双翼汽车环保科技有限公司 | Portable electric is vortexed regenerator |
| CN107581650A (en) * | 2017-09-30 | 2018-01-16 | 喆能环保技术（深圳）有限公司 | A kind of intelligent electromagnetic flue-cured tobacco equipment |
| WO2019062464A1 (en) * | 2017-09-30 | 2019-04-04 | 喆能环保技术（深圳）有限公司 | Smart electromagnetic flue-cured tobacco apparatus |
| CN108089622A (en) * | 2018-01-20 | 2018-05-29 | 盐城日盛纺织仓储有限公司 | A kind of movable type combing process Temperature and Humidity Control machine |
| CN110068142A (en) * | 2019-05-15 | 2019-07-30 | 秦皇岛新禹机械设备有限公司 | Encapsulate laminating apparatus hot air apparatus |
| CN110567152A (en) * | 2019-09-26 | 2019-12-13 | 山西兴恒和电子科技有限公司 | Mining intelligent frequency conversion electromagnetic induction air heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150928 Address after: 610021 Sichuan city of Chengdu province Yushuang Road No. 10 Patentee after: Mechanical Research Institute of China Test Technology Research Institute Address before: Chengdu City, Sichuan province Chenghua District 610021 Ring Road East three section Yushuang Road No. 10 Patentee before: Sichuan Zhongce Meter Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20160111 |