CN215337076U - High-temperature air electric heating device - Google Patents
High-temperature air electric heating device Download PDFInfo
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- CN215337076U CN215337076U CN202121293750.4U CN202121293750U CN215337076U CN 215337076 U CN215337076 U CN 215337076U CN 202121293750 U CN202121293750 U CN 202121293750U CN 215337076 U CN215337076 U CN 215337076U
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- honeycomb body
- electric heating
- air
- heat
- temperature air
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Abstract
The utility model discloses a high-temperature air electric heating device which comprises a shell, a heat insulation layer, a honeycomb body and electric heating elements, wherein the heat insulation layer is arranged in the shell, the honeycomb body is arranged in the heat insulation layer, channels are uniformly arranged on the honeycomb body, and the electric heating elements are arranged in the channels. This high temperature air electric heater unit honeycomb body has simplified the structure as heat transfer midbody, the product volume has reduced 60%, response time shortens to in 10 minutes, the honeycomb body is the passageway of air, the honeycomb body passageway not only plays insulating effect between electric heating element, but also is the passageway of air, play the distribution to the air current, the effect flow equalizes, electric heating element and honeycomb body heat the air jointly, heat transfer area has been increased by a wide margin, ceramic material's heat accumulation has been reduced by a wide margin, air heating temperature can reach 1000 ℃.
Description
Technical Field
The utility model belongs to the technical field of electric heating devices, and particularly relates to a high-temperature air electric heating device.
Background
The high-temperature air heating device is widely applied to the scientific research field and the industrial field. The electric heating has the characteristics of rapid temperature rise, flexible temperature regulation, high heating efficiency, no pollution to heated gas and the like, and the prior similar products have the defects of complex structure, large volume, high consumption of raw materials of the products, slow response time, large heat storage capacity ratio of the products during short-time use, low efficiency and heating effect basically limited to 850 ℃.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides an electric heating device for high temperature air, which solves the problems of large volume, long response time and low heating temperature of the existing electric heating device.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the utility model provides a high temperature air electric heater unit, includes shell, heat preservation, honeycomb body and electric heating element, the inside heat preservation that is provided with of shell, and the inside of heat preservation is provided with the honeycomb body, evenly set up the passageway on the honeycomb body, and be provided with electric heating element in the passageway.
Further, the diameter of the channels on the honeycomb body is larger than the diameter of the electric heating element.
Further, the housing is provided with an air inlet and an air outlet, and the honeycomb body) is positioned to correspond to the air inlet and the air outlet.
Further, the air inlet inboard is provided with the sliding tray, and the air inlet is provided with the filter screen through the sliding tray, the filter screen passes through the air inlet and constitutes sliding structure with the shell.
Further, the shell is provided with an earth leakage protection device.
Furthermore, the heat-insulating layer is a fiber layer, and the heat-insulating layer is fixedly connected with the honeycomb body.
Has the advantages that: compared with the prior art, the method has the following advantages:
this high temperature air electric heater unit honeycomb body has simplified the structure as heat transfer midbody, the product volume has reduced 60%, response time shortens to in 10 minutes, the honeycomb body is the passageway of air, the honeycomb body passageway not only plays insulating effect between electric heating element, but also is the passageway of air, play the distribution to the air current, the effect flow equalizes, electric heating element and honeycomb body heat the air jointly, heat transfer area has been increased by a wide margin, ceramic material's heat accumulation has been reduced by a wide margin, air heating temperature can reach 1000 ℃.
Drawings
FIG. 1 is a schematic view of a high temperature air electric heater;
fig. 2 is a side view of the high temperature air electric heating apparatus.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the high temperature air electric heating device of the present application includes a housing 1, a heat insulating layer 2, a honeycomb body 3 and electric heating elements 4, the heat insulating layer 2 is disposed inside the housing 1, the honeycomb body 3 is disposed inside the heat insulating layer 2, electric heating elements 4 are disposed inside the housing 1, the honeycomb body 3, the heat insulating layer 2, and a sealing member forming an air channel to prevent air leakage, the heat insulating layer 2 insulates and insulates heat of the honeycomb body 3 to reduce heat dissipation loss and improve heat efficiency, a layer of fibers is disposed between the honeycomb body 3 and the housing 1 to perform a heat insulating function, channels are uniformly disposed on the honeycomb body 3, and the electric heating elements 4 are disposed in the channels, the electric heating elements 4 are used as a heat source for heating air and a heat source for heating the honeycomb body at the same time, the electric heating elements 4 are used as a heat source for heating air, the electric heating elements 4 are used for heating air flowing through, and the electric heating elements 4 are used as a heat source for heating the honeycomb body 3, the electrical heating elements 4 heat the honeycomb body 3, and the honeycomb body 3 is also used for heating air, the honeycomb body 3 heats the air flowing through, this way occupies the main position in the air heat exchange quantity, the heat of the heated air mainly comes from the honeycomb body 3, a small part comes from the electrical heating elements 4, and the channels of the honeycomb body 3 are used as the insulating materials between the electrical heating elements 4.
The diameter of the channel on the honeycomb body 3 is larger than that of the electric heating element 4, so that the circulation of air is ensured, and the channel on the honeycomb body 3 not only plays an insulating role between the electric heating elements 4, but also is a channel of air, and plays roles in distributing and equalizing air flow.
The housing 1 is provided with an air inlet 101 and an air outlet 102, and the positions of the honeycomb body 3 correspond to the positions of the air inlet 101 and the air outlet 102, so that the air can smoothly enter and exit the honeycomb body 3, and the air can be smoothly heated.
Be provided with earth leakage protection device 6 on the shell 1, shell 1 needs the ground connection moreover, reduces the potential safety hazard, improves the security, guarantees that the safety of work goes on.
The heat preservation 2 is the fibrous layer, and heat preservation 2 and honeycomb body 3 are fixed connection, improves joint strength and stability, and cold air gets into from the air inlet 101 of shell 1, through honeycomb body 3, electric heating element 4, and the cold air is heated into 1000 ℃ high temperature air, and high temperature air flows out from the gas outlet 102 of shell 1.
The present invention provides a concept and an implementation method of an electric heating device for high temperature air, and the specific application is many, and the above is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, modifications can be made without departing from the principle of the present invention, and these modifications should be regarded as the protection scope of the present invention.
Claims (6)
1. An electric heating device for high-temperature air is characterized in that: including shell (1), heat preservation (2), honeycomb body (3) and electric heating element (4), shell (1) inside is provided with heat preservation (2), and the inside of heat preservation (2) is provided with honeycomb body (3), evenly set up the passageway on honeycomb body (3), and be provided with electric heating element (4) in the passageway.
2. An electric heating apparatus for high-temperature air according to claim 1, wherein: the diameter of the channels on the honeycomb body (3) is larger than that of the electric heating element (4).
3. An electric heating apparatus for high-temperature air according to claim 1, wherein: the housing (1) is provided with an air inlet (101) and an air outlet (102), and the positions of the honeycomb body (3) correspond to the positions of the air inlet (101) and the air outlet (102).
4. A high-temperature air electric heater as set forth in claim 3, wherein: the air inlet (101) inboard is provided with the sliding tray, and air inlet (101) is provided with filter screen (5) through the sliding tray, filter screen (5) constitute sliding structure through air inlet (101) and shell (1).
5. An electric heating apparatus for high-temperature air according to claim 1, wherein: and the shell (1) is provided with an electric leakage protection device (6).
6. An electric heating apparatus for high-temperature air according to claim 1, wherein: the heat-insulating layer (2) is a fiber layer, and the heat-insulating layer (2) is fixedly connected with the honeycomb body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121293750.4U CN215337076U (en) | 2021-06-09 | 2021-06-09 | High-temperature air electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121293750.4U CN215337076U (en) | 2021-06-09 | 2021-06-09 | High-temperature air electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215337076U true CN215337076U (en) | 2021-12-28 |
Family
ID=79556845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121293750.4U Active CN215337076U (en) | 2021-06-09 | 2021-06-09 | High-temperature air electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215337076U (en) |
-
2021
- 2021-06-09 CN CN202121293750.4U patent/CN215337076U/en active Active
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