CN215757610U - Novel heating in stove device - Google Patents
Novel heating in stove device Download PDFInfo
- Publication number
- CN215757610U CN215757610U CN202121926609.3U CN202121926609U CN215757610U CN 215757610 U CN215757610 U CN 215757610U CN 202121926609 U CN202121926609 U CN 202121926609U CN 215757610 U CN215757610 U CN 215757610U
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- China
- Prior art keywords
- heating
- power line
- lamp tube
- sleeve
- heating lamp
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 64
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 8
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 abstract description 6
- 239000007888 film coating Substances 0.000 abstract description 4
- 238000009501 film coating Methods 0.000 abstract description 4
- 230000000191 radiation effect Effects 0.000 abstract description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Resistance Heating (AREA)
Abstract
The utility model discloses a novel heating device in a furnace, which belongs to the technical field of manufacturing of crystalline silicon solar cell equipment. The sleeve is arranged outside the heating lamp tube, the wall thickness of the sleeve is reduced from one end where the power line is located to the other end in sequence, the purpose of controlling the heat radiation effect is achieved, the wall thickness of one end, away from the power line, of the sleeve is thin, the heat radiation rate is high, the effect of increasing the temperature rise rate is achieved, and therefore the film coating effect of a PECVD furnace mouth is improved; the density of the resistance wire in the heating lamp tube is reduced from one end where the power line is located to the other end in sequence, and the power density is gradually reduced from one end to the other end by controlling the density of the resistance wire in the heating lamp tube, so that the heating temperature of each temperature area in the tube can be ensured to be balanced.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of crystalline silicon solar cell equipment, and particularly relates to a novel in-furnace heating device.
Background
In the manufacturing process of the solar crystalline silicon cell, a technological process is called PEVCD, at present, a tubular device is selected as a mainstream, passivation treatment is carried out on the surface of a cell by utilizing plasma enhanced chemical vapor deposition, the surface recombination rate of an emitter junction is reduced, dark current is reduced, open-circuit voltage is improved, photoelectric conversion efficiency is improved, and the general technological time is about 45 minutes.
Along with the increasing single-tube single-batch capacity of the tubular PECVD, the graphite boat and the heating furnace body are increased, the original single-furnace body heating mode cannot meet the requirement of quick response temperature rise, the temperature rise time is prolonged, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a novel heating device in a furnace, which has the characteristics of shortening the heating time and the process time and improving the productivity.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel heating in stove device, is including the heating fluorescent tube that sends infrared light source, and the end connection of heating fluorescent tube has the power cord, and the outside of heating fluorescent tube is equipped with the sleeve pipe, and the sleeve pipe is quartz sleeve pipe, and sheathed tube wall thickness reduces from power cord place one end to the other end in proper order.
In order to effectively improve the heat radiation efficiency of the infrared light source, the surface of the sleeve is further provided with a frosted layer.
In order to make the power line resist high temperature, thereby increasing the service life, further, the outer cover of power line is equipped with the silicon rubber layer.
In order to realize that the power density is gradually reduced from one end to the other end, the heating temperature of each temperature area in the tube can be ensured to be uniform, and further, the density of the resistance wire in the heating lamp tube is sequentially reduced from one end where the power wire is located to the other end.
In order to effectively adjust the temperature in the furnace tube, the reflecting layer on the inner wall of the lamp tube is further heated. The reflecting layer is a white ceramic layer with a mixed surface.
In order to facilitate the assembly by using a special tool at high temperature, furthermore, a clamp is arranged at one end of the heating lamp tube, which is located at the power line.
Compared with the prior art, the utility model has the beneficial effects that:
1. the sleeve is arranged outside the heating lamp tube, the wall thickness of the sleeve is reduced from one end where the power line is located to the other end in sequence, the purpose of controlling the heat radiation effect is achieved, the wall thickness of one end, away from the power line, of the sleeve is thin, the heat radiation rate is high, the effect of increasing the temperature rise rate is achieved, and therefore the film coating effect of a PECVD furnace mouth is improved;
2. the surface of the sleeve is provided with the frosting layer, and the frosting treatment is carried out on the surface of the sleeve, so that the heat radiation efficiency of the infrared light source can be effectively improved;
3. the density of the resistance wire in the heating lamp tube is reduced from one end where the power line is located to the other end in sequence, and the power density is gradually reduced from one end to the other end by controlling the density of the resistance wire in the heating lamp tube, so that the heating temperature of each temperature area in the tube can be ensured to be balanced;
4. according to the utility model, the reflecting layer is arranged on the inner wall of the heating lamp tube, and the reflecting layer is the white ceramic layer with the surface, so that the temperature in the furnace tube can be effectively regulated;
5. the clamp is arranged at the end, where the power line is located, of the heating lamp tube, and therefore the heating lamp tube can be conveniently assembled by using a special tool at high temperature.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a sleeve; 2. heating the lamp tube; 3. a reflective layer; 4. a clamp; 5. a power line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: the utility model provides a novel heating in stove device, is including the heating fluorescent tube 2 that sends infrared light source, and the end connection of heating fluorescent tube 2 has power cord 5, and the outside of heating fluorescent tube 2 is equipped with sleeve pipe 1, and sleeve pipe 1 is the quartz sleeve pipe, and sleeve pipe 1's wall thickness reduces from power cord 5 place one end to the other end in proper order.
By adopting the technical scheme, the purpose of controlling the heat radiation effect is achieved, the wall thickness of the end, away from the power line 5, of the sleeve 1 is thin, the heat radiation speed is high, the effect that the temperature rise speed is high is achieved, and therefore the film coating effect of the PECVD furnace mouth is improved.
Specifically, the surface of the casing 1 is provided with a frosted layer.
By adopting the technical scheme, the surface of the sleeve 1 is frosted, so that the heat radiation efficiency of the infrared light source can be effectively improved.
Specifically, the power line 5 is externally sleeved with a silicone rubber layer.
Through adopting above-mentioned technical scheme, make power cord 5 can be high temperature resistant to increase life.
Example 2
The present embodiment is different from embodiment 1 in that: specifically, the density of the resistance wires inside the heating lamp tube 2 decreases from one end of the power line 5 to the other end.
By adopting the technical scheme, the power density is gradually reduced from one end to the other end by controlling the density of the resistance wire inside the heating lamp tube 2, and the heating temperature balance of each temperature area in the tube can be ensured.
Example 3
The present embodiment is different from embodiment 1 in that: specifically, the inner wall of the heating lamp tube 2 is provided with a reflecting layer 3, and the reflecting layer 3 is arranged at the installation side. The reflecting layer 3 is a white ceramic layer with a mixed surface.
Through adopting above-mentioned technical scheme, can be effectual for carrying out temperature regulation in the boiler tube.
Example 4
The present embodiment is different from embodiment 1 in that: specifically, the heating lamp tube 2 is provided with a clamp 4 at one end where the power line 5 is located, and the clamp 4 is made of stainless steel.
Through adopting above-mentioned technical scheme, use specialized tool to assemble when being convenient for high temperature.
Examples of the experiments
The production line is not provided with a furnace tube for auxiliary heating at present, or the process time of the auxiliary heating in the traditional mode (the heating power of each section is consistent) is 37min40 s;
the process time after the heating device is installed is 36min30s, the production capacity can be improved by 34520 pieces per day according to the production capacity design of 108 ten thousand of factories, the production capacity is calculated according to 1 yuan of one piece, and the income can be increased by 1260 ten thousand yuan per year.
In summary, the sleeve 1 is arranged outside the heating lamp tube 2, the wall thickness of the sleeve 1 is sequentially reduced from one end of the heating lamp tube to the other end of the heating lamp tube, the purpose of controlling the heat radiation effect is achieved, the wall thickness of the sleeve 1 far away from the end of the heating lamp tube 5 is thin, the heat radiation speed is high, the effect of increasing the temperature rise speed is achieved, and therefore the film coating effect of the PECVD furnace mouth is improved; according to the utility model, the surface of the sleeve 1 is provided with the frosting layer, and the surface of the sleeve 1 is frosted, so that the heat radiation efficiency of an infrared light source can be effectively improved; the density of the resistance wires in the heating lamp tube 2 is reduced from one end of the power line 5 to the other end in sequence, and the power density is gradually reduced from one end to the other end by controlling the density of the resistance wires in the heating lamp tube 2, so that the heating temperature of each temperature zone in the tube can be ensured to be balanced; according to the utility model, the reflecting layer 3 is arranged on the inner wall of the heating lamp tube 2, and the reflecting layer 3 is a white ceramic layer with a surface, so that the temperature in the furnace tube can be effectively regulated; the end of the heating lamp tube 2, which is positioned at the power line 5, is provided with the clamp 4, so that the heating lamp tube can be conveniently assembled by using a special tool at high temperature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel heating in stove device, includes the heating fluorescent tube who sends infrared light source, its characterized in that: the end part of the heating lamp tube is connected with a power line, a sleeve is arranged outside the heating lamp tube, and the wall thickness of the sleeve is reduced from one end of the power line to the other end of the power line in sequence.
2. A novel furnace heating apparatus according to claim 1, characterized in that: the sleeve is a quartz sleeve.
3. A novel furnace heating apparatus according to claim 1, characterized in that: and a frosting layer is arranged on the surface of the sleeve.
4. A novel furnace heating apparatus according to claim 1, characterized in that: and a silicone rubber layer is sleeved outside the power line.
5. A novel furnace heating apparatus according to claim 1, characterized in that: the density of the resistance wires in the heating lamp tube is reduced from one end of the power line to the other end of the power line in sequence.
6. A novel furnace heating apparatus according to claim 1, characterized in that: and the inner wall of the heating lamp tube is provided with a reflecting layer.
7. The novel in-furnace heating device of claim 6, characterized in that: the reflecting layer is a white ceramic layer with a mixed surface.
8. A novel furnace heating apparatus according to claim 1, characterized in that: and a clamp is arranged at one end of the heating lamp tube, where the power line is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121926609.3U CN215757610U (en) | 2021-08-17 | 2021-08-17 | Novel heating in stove device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121926609.3U CN215757610U (en) | 2021-08-17 | 2021-08-17 | Novel heating in stove device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215757610U true CN215757610U (en) | 2022-02-08 |
Family
ID=80075599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121926609.3U Active CN215757610U (en) | 2021-08-17 | 2021-08-17 | Novel heating in stove device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215757610U (en) |
-
2021
- 2021-08-17 CN CN202121926609.3U patent/CN215757610U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240315 Address after: 644600 Building 72, Jinrun Industrial Park, Gaoxin Community, Gaochang Town, Xuzhou District, Yibin City, Sichuan Province Patentee after: Sichuan Dongci New Energy Technology Co.,Ltd. Country or region after: China Address before: 322118 Lake Town Industrial Park, Hengdian Town, Dongyang, Jinhua, Zhejiang Patentee before: HENGDIAN GROUP DMEGC MAGNETICS Co.,Ltd. Country or region before: China |