CN213908483U - Electric heating device for tobacco flue-curing house - Google Patents
Electric heating device for tobacco flue-curing house Download PDFInfo
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- CN213908483U CN213908483U CN202021566990.2U CN202021566990U CN213908483U CN 213908483 U CN213908483 U CN 213908483U CN 202021566990 U CN202021566990 U CN 202021566990U CN 213908483 U CN213908483 U CN 213908483U
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- electric heating
- curing house
- tobacco flue
- hot air
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Abstract
The utility model provides an electric heater unit for tobacco flue-curing house, include the casing of its inner band cavity that links to each other with the hot-blast import of tobacco flue-curing house, damp and hot wind export, be equipped with the electric heating body in its characterized in that casing cavity, the casing cavity that is located electric heating body top or below links heated air circulation fan. So that will get into the air heating back in the casing cavity, directly send into the tobacco flue-curing house through hot-blast import through the fan in, send into the casing through damp and hot wind export with the damp and hot air in the tobacco flue-curing house again and heat in, thereby accomplish circulation heat supply, including flame retardant coating, the thermal insulation layer that sets gradually from inside to outside on the shells inner wall, effectively prevent high temperature scaling loss, improve the thermal-insulated effect that keeps warm, the thermal efficiency is greatly improved, reduces heat loss, practices thrift the electric energy.
Description
Technical Field
The utility model relates to an electric heater unit, especially an electric heater unit for tobacco flue-curing house belongs to tobacco-curing equipment technical field.
Background
The quality guarantee period of the fresh tobacco leaves is influenced by traffic transportation and the like, the fresh tobacco leaves cannot be placed for a long time, and the fresh tobacco leaves must be timely baked nearby, so that the proper quality of the tobacco leaves can be maintained. At present, the tobacco flue-curing house mostly adopts high-temperature flue gas generated by burning coal as a heat source to bake tobacco leaves suspended in the tobacco flue-curing house. As the fire coal is a non-renewable energy source, the heat energy utilization rate of the fire coal of the tobacco curing barn only accounts for 30-35% of the total heat energy, most of the heat energy is wasted, on the other hand, dust and harmful and odorous gas generated by combustion of the fire coal inevitably enter the tobacco curing barn, the temperature control in the tobacco curing barn is not accurate, the tobacco curing quality is affected, and meanwhile, the fire coal needs to be added manually and residues need to be removed, so that the labor cost is high. Therefore, the applicant improves the existing bulk curing barn by electric heating from the aspects of reducing baking cost, cleaning, saving energy, being convenient to operate, accurate in temperature control, high in utilization rate, green, environment-friendly and the like, but still has the problem of low thermal efficiency, so that the applicant needs to perform the prior art to improve the thermal efficiency and reduce energy consumption.
Disclosure of Invention
An object of the utility model is to provide a tobacco flue-curing house electric heater unit that thermal efficiency is high.
The utility model discloses a following technical scheme accomplishes: the utility model provides an electric heater unit for tobacco flue-curing house, includes the casing of taking the cavity in it that links to each other with the hot-blast import of tobacco flue-curing house, damp and hot wind export, is equipped with electric heating body in its characterized in that casing cavity, and the casing cavity that is located electric heating body top or below connects heated air circulation fan to after the air heating that will get into in the casing cavity, send into the tobacco flue-curing house through hot-blast import through the fan in, send the air after the dehumidification in the tobacco flue-curing house into the casing by damp and hot wind export and heat again, thereby accomplish circulation heat supply.
The shell is arranged to be a cylinder or a triangular prism or a polygonal prism, the top of the shell is communicated with a hot air cavity through a conical connecting pipe, a hot air circulating fan is arranged between the top of the conical connecting pipe and the hot air cavity, one side of the hot air cavity is communicated with a hot air inlet of a tobacco flue-curing house, the bottom of the shell is communicated with a damp and hot air outlet of the tobacco flue-curing house through a bent pipe, so that hot air is sent into the tobacco flue-curing house from the upper part, and then the dehumidified air in the tobacco flue-curing house is sent into the shell from the bottom to be heated, so that cyclic heating and heat supply are completed.
The hot air circulating fan can also be arranged at a damp and hot air outlet between the bottom of the shell and the tobacco curing house so as to send hot air into the tobacco curing house from the bottom, and then send the air dehumidified in the tobacco curing house into the shell from the top for heating, thus completing the circulating heating and heat supply.
The inner wall of the shell is sequentially provided with a fire-resistant layer, a heat-insulating layer and a steel shell from inside to outside so as to prevent high-temperature burning loss, insulate heat and improve the heat efficiency to the maximum extent.
The front side and the rear side of the outer part of the shell are respectively provided with a forced moisture exhaust port communicated with the bottom of the tobacco curing house, and the forced moisture exhaust port is provided with an axial flow fan with a shutter, so that moisture in the tobacco curing house can be exhausted out of the room forcibly and rapidly as required, the heat loss is reduced, and the heat efficiency is improved.
The electric heating body comprises an electric heating film and a carrier attached to the electric heating film, flexible bus bars are arranged at two ends of the electric heating film respectively, a binding post is arranged on each flexible bus bar and connected with one end of a lead, and the other end of the lead is extended outwards and then connected with a power supply or a controller.
The carrier is a flat carrier, a columnar carrier or a spherical carrier so as to form a flat electric heating body, a columnar electric heating body or a spherical electric heating body.
The carrier of the flat electric heating body is a rectangular body, and the electric heating film is attached to one side of the flat carrier to form unidirectional heating; or the electric heating films are attached to two sides of each flat plate carrier to form bidirectional heating; or the electric heating films are attached between every two flat plate carriers to form an interlayer heating body.
The electric heating body is fixed on the support frame in the cavity of the shell, the support frame comprises a plurality of layers of outer frames, a plurality of horizontal supporting rods are arranged on each layer of outer frame at intervals, each horizontal supporting rod is provided with a groove, the groove notches of the adjacent upper and lower horizontal supporting rods are opposite, and the upper and lower ends of the flat heating body are respectively arranged in the corresponding grooves.
The carrier is a glass or ceramic article.
The utility model has the advantages of it is following and effect: adopt above-mentioned scheme, can conveniently with the air heating back that gets into in the casing cavity, directly send into the tobacco flue-curing house through hot-blast import through the fan in, send into the damp and hot air in the tobacco flue-curing house through damp and hot wind export and heat in the casing again to accomplish circulation heat supply, including flame retardant coating, the thermal insulation layer that sets gradually from inside to outside on the shells inner wall, prevent effectively that high temperature from burning and losing, improve the thermal-insulated effect that keeps warm, the thermal efficiency is greatly improved, reduce the heat loss, practice thrift the electric energy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a view showing the inside structure of the casing of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a structural view of a flat panel electric heater.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides an electric heating device for a tobacco flue-curing house, which comprises a shell 2 which is connected with a hot air inlet 11 and a damp and hot air outlet 12 of the tobacco flue-curing house 1 and is provided with a cavity, wherein the cavity of the shell 2 is provided with an electric heating body 4, and a hot air circulating fan 3 is arranged in the cavity of the shell 2 above the electric heating body 4; the shell 2 is a quadrangular prism, the top of the shell 2 is communicated with a hot air cavity 22 through a conical connecting pipe 21, a hot air circulating fan 3 is arranged between the top of the conical connecting pipe 21 and the hot air cavity 22, the right side of the hot air cavity 22 is communicated with a hot air inlet 11 of the tobacco flue-curing house 1, the bottom of the shell 2 is communicated with a damp and hot air outlet 12 of the tobacco flue-curing house 1 through a bent pipe 23 so as to send hot air into the tobacco flue-curing house 1 from the upper part, and then send air subjected to moisture removal in the tobacco flue-curing house 1 into the shell 2 from the bottom for heating, so that the circular heating and heat supply are completed, and a house door 13 is arranged at the tail part of the tobacco flue-curing house 1; the inner wall of the shell 2 is sequentially provided with a fire-resistant layer 24, a heat-preservation and heat-insulation layer 25 and a steel shell from inside to outside so as to prevent high-temperature burning loss, preserve heat and insulate heat, and improve the heat efficiency to the maximum extent; the bottom of the front side and the bottom of the rear side outside the shell 2 are respectively provided with a forced moisture exhaust port 14 communicated with the bottom of the tobacco flue-curing house 1, and the forced moisture exhaust port 14 is provided with an axial flow fan with a shutter, so that moisture in the tobacco flue-curing house 1 can be forcibly and quickly exhausted outdoors according to needs, the heat loss is reduced, and the heat efficiency is improved;
obviously, the hot air circulating fan 3 can also be installed at the damp and hot air outlet 12 between the bottom of the casing 1 and the tobacco flue-curing house 1, so as to send hot air into the tobacco flue-curing house 1 from the bottom, and then send the dehumidified air in the tobacco flue-curing house 1 into the casing 2 from the top for heating, thereby completing the circulating heating and heat supply.
The electric heating body 4 comprises an electric heating film 41 and a carrier 42 attached to the electric heating film 41, wherein two ends of the electric heating film 41 are respectively provided with a flexible conductive bar 43, each flexible conductive bar 43 is provided with a binding post 44, the binding post 44 is connected with one end of a lead 45, and the other end of the lead 45 extends outwards and then is connected with a power supply or a controller; the carrier 42 is a flat carrier to form a flat electric heating body; the carrier 42 of the flat electric heating body is a rectangular body, and the electric heating film 41 is attached to one side of the flat carrier to form unidirectional heating; the electric heating body 4 is fixed on a support frame 5 in the cavity of the shell 2, the support frame comprises a plurality of layers of outer frames 51 and a plurality of horizontal support rods 52 arranged on each layer of outer frame 51 at intervals, each horizontal support rod 52 is provided with a groove 53, the notches of the grooves 53 on the adjacent upper and lower horizontal support rods 52 are opposite, and the upper end and the lower end of the flat heating body 4 are respectively arranged in the corresponding grooves 53; the carrier 42 is a glass or ceramic article.
Claims (10)
1. The electric heater for tobacco flue-curing house includes a casing with inner cavity connected to hot air inlet and wet hot air outlet of tobacco flue-curing house, and features that the casing has electric heater inside the cavity and the cavity above or below the electric heater is connected to hot air circulating fan.
2. The electric heating device for tobacco flue-curing house according to claim 1, wherein the housing is configured as a cylinder, a triangular prism or a polygonal prism, the top of the housing is communicated with the hot air chamber through a conical connection pipe, a hot air circulating fan is arranged between the top of the conical connection pipe and the hot air chamber, one side of the hot air chamber is communicated with the hot air inlet of the tobacco flue-curing house, and the bottom of the housing is communicated with the hot and humid air outlet of the tobacco flue-curing house through a bent pipe.
3. The electric heating device for tobacco flue-curing house of claim 1, wherein the hot air circulating fan is installed at the damp and hot air outlet between the bottom of the housing and the tobacco flue-curing house.
4. The electric heating device for the tobacco flue-curing house according to claim 1, wherein the inner wall of the shell is sequentially provided with a fire-resistant layer, a heat-insulating layer and a steel shell from inside to outside.
5. The electric heating device for the tobacco flue-curing house according to claim 1, wherein the front and rear side bottoms of the exterior of the housing are respectively provided with a forced moisture discharging port communicated with the bottom of the tobacco flue-curing house, and the forced moisture discharging port is provided with an axial flow fan with a shutter.
6. The electric heating device for tobacco flue-curing house as claimed in claim 1, wherein the electric heating body comprises an electric heating film and a carrier attached to the electric heating film, and two ends of the electric heating film are respectively provided with a flexible conductive bar, each flexible conductive bar is provided with a binding post, the binding post is connected with one end of a wire, and the other end of the wire is connected with a power supply or a controller after extending outwards.
7. The electric heating device for tobacco flue-curing house according to claim 6, wherein the carrier is a flat carrier, a columnar carrier or a spherical carrier, and forms a flat electric heater, a columnar electric heater or a spherical electric heater.
8. The electric heating device for the tobacco flue-curing house according to claim 7, wherein the carrier of the flat electric heating body is a rectangular body, and the electric heating film is attached to one side of the flat carrier to form unidirectional heating; or the electric heating films are attached to two sides of each flat plate carrier to form bidirectional heating; or the electric heating films are attached between every two flat plate carriers to form an interlayer heating body.
9. The electric heater of claim 1, wherein the electric heater is fixed on a support frame in the cavity of the housing, the support frame comprises a plurality of layers of outer frames, a plurality of horizontal support rods are arranged on each outer frame at intervals, each horizontal support rod is provided with a groove, the groove notches on the adjacent upper and lower horizontal support rods are opposite, and the upper and lower ends of the flat heater are respectively arranged in the corresponding grooves.
10. The electric heating device for tobacco flue-curing house of claim 6 wherein the carrier is a glass or ceramic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566990.2U CN213908483U (en) | 2020-08-01 | 2020-08-01 | Electric heating device for tobacco flue-curing house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566990.2U CN213908483U (en) | 2020-08-01 | 2020-08-01 | Electric heating device for tobacco flue-curing house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213908483U true CN213908483U (en) | 2021-08-10 |
Family
ID=77142325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566990.2U Active CN213908483U (en) | 2020-08-01 | 2020-08-01 | Electric heating device for tobacco flue-curing house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213908483U (en) |
-
2020
- 2020-08-01 CN CN202021566990.2U patent/CN213908483U/en active Active
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