CN111442642A - Novel transmission structure of roller-way type solar cell sintering furnace - Google Patents
Novel transmission structure of roller-way type solar cell sintering furnace Download PDFInfo
- Publication number
- CN111442642A CN111442642A CN202010224687.2A CN202010224687A CN111442642A CN 111442642 A CN111442642 A CN 111442642A CN 202010224687 A CN202010224687 A CN 202010224687A CN 111442642 A CN111442642 A CN 111442642A
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- roller
- solar cell
- type solar
- sintering furnace
- way
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 103
- 238000005245 sintering Methods 0.000 title claims abstract description 58
- 238000001035 drying Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
-
- H01L31/18—
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Tunnel Furnaces (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention belongs to the technical field of photovoltaic solar cells, and particularly relates to a novel transmission structure of a roller-type solar cell sintering furnace. Each transmission roller way is driven by the same main shaft, and the adjacent transmission roller ways are connected with each other in an interlocking way through belts. The invention has reasonable design, ensures that at least two transmission roller ways bear the load all the time in the transmission process of the battery piece, enhances the transmission stability, and increases the distance between the transmission roller ways as much as possible while ensuring the transmission stability, so that the battery piece receives the radiation of the lamp tube below the transmission roller ways as much as possible, and improves the sintering quality of the battery piece. The interlocking of the same main shaft drive and the adjacent transmission roller ways and the cooperative matching of the two modes ensure the rotation synchronism of the transmission roller ways.
Description
Technical Field
The invention relates to a novel transmission structure of a roller-way type solar cell sintering furnace, belonging to the technical field of photovoltaic solar cells.
Background
The roller-way type solar cell sintering furnace is used as a renewal product of the traditional chain type sintering furnace, has the characteristics of low energy consumption, high productivity and stable operation, replaces a stainless steel mesh belt with a roller way to transmit the cell, and is sequentially provided with a drying area, a sintering area and a cooling area in the running direction of the sintering furnace to complete the sintering process of the solar cell. The heating lamp tubes with different densities are arranged in different areas, so that the temperature of each area is controlled.
In the production process flow of the solar cell, the sintering process is mainly used for drying slurry printed on the surface of a silicon wafer, burning off organic solvent volatilized from the slurry, synchronously sintering the front side and the back side of the silicon wafer of the solar cell, enabling a metal electrode printed on the slurry on the silicon wafer to form good ohmic contact with the silicon wafer, directly influencing the conversion efficiency of the solar cell according to the quality of the sintering quality, and directly influencing the quality of the cell according to the quality of the sintering equipment. And the silicon wafer printed with the electrode is conveyed through the roller way and sequentially passes through different furnace temperature areas of the sintering furnace to finish the electrode sintering processes of preheating, glue discharging, heating, sintering and cooling. The existing sintering furnace has the following problems: 1. the distance between every two conveying roller ways is unreasonable, if the distance is too large, the conveying is unstable, and the battery plates are easy to fall off from the roller ways; if the distance is too small, the radiation of the lamp tube below the roller way to the battery piece is not uniform, and the sintering effect of the battery piece is influenced. 2. The instantaneous rotating speed of each transmission roller is difficult to be ensured to be consistent by the existing transmission mode, so that relative friction between the battery pieces and the transmission rollers can be caused to generate scratches, and if the battery pieces are relatively close to each other, the battery pieces are easy to be touched by rear-end collisions, so that lamination accidents are caused. 3. Finally, the conventional furnace body can only sinter and produce the battery plates with the same specification, if products with other specifications need to be produced, the transmission roller way needs to be replaced, and due to the fact that the number of the roller ways in the furnace body is large, time for replacing the transmission roller way is long, production efficiency is seriously affected, and labor intensity is high. Therefore, the applicant develops a novel transmission structure of the roller-way type solar cell sintering furnace, and the defects are effectively overcome.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: the defect of the prior art is overcome, the distance between the transmission roller ways is reasonable, the adjacent battery pieces are prevented from touching, the novel transmission structure of the roller way type solar battery sintering furnace for the lamination accident is prevented, the qualified rate of finished products and the production efficiency are effectively improved, and the problem is solved.
The novel transmission structure of the roller-way type solar cell sintering furnace is characterized in that a plurality of transmission roller ways are arranged in the furnace body, the furnace body comprises a drying area, a sintering area and a cooling area, and the distance between the transmission roller ways is less than or equal to half of the length of a transmitted cell.
According to the invention, during the transmission process of the battery piece, at least two transmission roller ways are always used for bearing, so that the transmission stability is enhanced, and the distance between the transmission roller ways is increased as much as possible while the transmission stability is ensured, so that the battery piece receives the radiation of the lamp tube below the transmission roller ways as much as possible, and the sintering quality of the battery piece is improved.
Preferably, the distance between the conveying roller ways is 50-105 mm.
Preferably, the distance between the conveying roller ways is 60-90 mm.
All the conveying roller ways are driven by the same main shaft, and the driving mode adopts any one of a belt or a magnetic wheel. The same main shaft can drive to ensure that the instantaneous rotating speed of each transmission roller way is the same as far as possible, so that the running speed of the battery pieces is synchronous, the battery pieces and the transmission roller ways are prevented from being scratched due to relative friction, and the adjacent battery pieces can be prevented from being touched together due to rear-end collision. The transmission mode is soft transmission modes such as belt or magnetic wheel, and when battery piece blocks a certain transmission roller way, the flexible connection can provide the protection, prevents that the roller way from rotating by force and causing the damage.
The conveying roller ways are also connected with each other in an interlocking way through belts. The interlocking of adjacent transmission roller ways is added on the basis of the driving of the same main shaft, so that the rotation synchronism of each transmission roller way is further ensured.
And supporting bodies are arranged on the conveying roller ways of the drying area and the sintering area of the furnace body and are arranged on the conveying roller ways in pairs.
The support body is provided with a single-layer bearing surface, two or more bearing surfaces, and can be suitable for the transmission of battery pieces with different models and specifications.
The bearing surface is an inclined surface. The supporter has the tapering promptly, and the battery piece passes through the supporter support transmission, can make the battery piece at the in-process of transmission, forms a clearance between the aluminium thick liquid of battery piece bottom and the supporter inclined plane that has the tapering, prevents that the aluminium thick liquid of battery piece bottom from leading to battery piece back fish tail with the supporter contact to guarantee the transmission security of battery piece. The taper also has the functions of correcting the running track of the battery piece and preventing the battery piece from deviating.
The inclination angles of different bearing surfaces are different, so that the battery plate can adapt to battery plates of different models and specifications.
Preferably, the inclination angle α of the bearing surface is 10-45 °.
Further preferably, the inclination angle α of the bearing surface is 10-30 °.
The supporting body adopts an integrated structure.
The support body can also adopt a split structure.
The support body is a movable annular structure or an annular structure with steps, and the distance between the two support bodies is adjustable. The adaptability is enhanced, and the application range of the transmission of the battery pieces of different models is enlarged.
Preferably, the support body adopts a sleeved split type structure.
The supporting body is fixed on the conveying roller way through screws, pins or bolts. The conveying roller way can be provided with bolt holes or positioning holes with different intervals, and the bolt holes or the positioning holes can be internally provided with threads or not.
And a buffer material is padded between the bottom of the screw and the transmission roller. The buffer material increases the contact area and the friction force between the screw and the transmission roller, and achieves the purposes of preventing the screw from loosening and increasing the fixing effect. The buffer material is made of high-temperature resistant materials such as ceramic fiber cotton, ceramic fiber felt, asbestos cloth, glass fiber yarn and the like.
A buffer soft ring is arranged on the transmission roller way of the furnace body cooling area. On one hand, the sintered battery piece has a sudden deformation after entering a cooling area, and the deformation can be buffered by adopting a buffering soft ring, so that the back surface of the battery piece is effectively prevented from being scratched; on the other hand, the sintered battery piece is transmitted by the buffering soft ring, so that the friction of the transmission roller way to the back surface of the battery piece can be effectively reduced, and the influence of the transmission friction on the electrical property of the battery piece is reduced. The soft buffer ring can be a rubber ring, a silica gel ring, a fiber sleeve and the like.
The transmission roller ways of the oven drying area and the sintering area are made of transparent high-temperature resistant materials such as glass, quartz glass, transparent ceramics and the like. The shielding of the lamp tube below the transmission roller way to the radiation of the battery piece is reduced, and the sintering effect is improved.
Compared with the prior art, the invention has the beneficial effects that:
the novel transmission structure of the roller-way type solar cell sintering furnace is reasonable in design, so that at least two transmission roller ways are always loaded in the cell transmission process, the transmission stability is enhanced, the shielding of lamp tubes below the transmission roller ways on the radiation of the cells is reduced to the greatest extent while the transmission stability is ensured, and the sintering effect is improved.
Each transmission roller way is driven by the same main shaft, the instantaneous rotating speed of each transmission roller way can be guaranteed to be the same as far as possible by the same main shaft, and adjacent battery pieces are prevented from being touched together. The transmission mode is soft transmission modes such as belt or magnetic wheel, and when battery piece blocks a certain transmission roller way, the flexible connection can provide the protection, prevents that the roller way from rotating by force and causing the damage. Still connect through belt interlocking between each transmission roll table, increase the interlocking of adjacent transmission roll table on same main shaft driven basis, two kinds of modes cooperate, have further guaranteed each transmission roll table pivoted synchronism. The scratch caused by relative friction between the battery pieces and the transmission roller way is prevented, the adjacent battery pieces can be prevented from being touched together due to rear-end collision, the lamination accident is avoided, and the qualification rate and the production efficiency of finished products are effectively improved.
The invention can adapt to the production of battery pieces with different types and specifications without replacing a transmission roller way, thereby greatly saving the production time, improving the production efficiency and reducing the labor intensity.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of the conveying roller table and the support body;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic structural view of the support body;
FIG. 7 is a cross-sectional view C-C of FIG. 6;
fig. 8 is a structural schematic diagram of the support body mounted by screws.
In the figure: 1. a drying zone; 2. a sintering zone; 3. a cooling zone; 4. a conveying roller way; 5. a belt; 6. a support body; 7. a soft buffer ring; 8. a bearing surface; 9. a main shaft 10 and a buffer material.
Detailed Description
The invention is further described below with reference to examples:
as shown in fig. 1 to 6, the novel transmission structure of the roller-type solar cell sintering furnace of the invention is characterized in that a plurality of transmission roller ways 4 are arranged in a furnace body, the furnace body comprises a drying zone 1, a sintering zone 2 and a cooling zone 3, and the distance between the transmission roller ways 4 is less than or equal to half of the length of the transmitted cell.
Furthermore, the distance between the conveying roller ways 4 is set to be 60-90 mm.
In the embodiment, each conveying roller table 4 is driven by the same main shaft 9, and the driving mode adopts a belt 5 for driving. And the adjacent conveying roller ways 4 are also connected in an interlocking way through a belt 5.
And supporting bodies 6 are arranged on the conveying roller ways 4 of the furnace body drying area 1 and the sintering area 2, and the supporting bodies 6 are arranged on the conveying roller ways 4 in pairs.
The supporting body 6 is provided with two layers of bearing surfaces 8, and the bearing surfaces 8 are inclined planes.
The inclination angles α of the two bearing surfaces 8 can be different and are all arranged between 10 degrees and 30 degrees.
The support body 6 of the present embodiment adopts a split structure, and further, adopts a sleeved split structure (as shown in fig. 7).
The support body 6 is a movable annular cone structure, and the distance between the two support bodies 6 can be adjusted. The support body 6 is fixed on the conveying roller table 4 through screws, pins or bolts. Correspondingly, bolt holes or positioning holes with different intervals can be arranged on the conveying roller table 4, and the distance between the two support bodies 6 can be adjusted through the mode. When the support body 6 is fixedly connected with the conveying roller way 4 by screws, a layer of buffer material 10 is filled in the positioning holes of the conveying roller way 4 and is screwed by screws.
A buffer soft ring 7 is arranged on the transmission roller way 4 of the furnace body cooling area 3.
The conveying roller ways 4 of the furnace body drying area 1 and the sintering area 2 are made of quartz glass.
The working principle of the invention is as follows:
according to the invention, during the transmission process of the battery piece, at least two transmission roller ways 4 are always used for bearing, so that the transmission stability is enhanced, the distance between the transmission roller ways 4 is increased as much as possible while the transmission stability is ensured, the shielding of the lamp tubes below the transmission roller ways 4 on the radiation of the battery piece is reduced, and the sintering effect is improved.
According to the invention, each transmission roller way 4 is driven by the same main shaft 9, and the same main shaft 9 can be driven to ensure that the instantaneous rotating speeds of the transmission roller ways 4 are the same as much as possible, so that adjacent battery plates are prevented from touching together. The transmission mode is the soft transmission mode of belt, and when battery piece blocked certain transmission roll table 4, the flexible coupling can provide the protection, prevents that transmission roll table 4 from rotating by force and causing the damage. The conveying roller ways 4 are also connected in an interlocking manner through belts 5, the interlocking of the adjacent conveying roller ways 4 is increased on the basis of the driving of the same main shaft 9, and the two ways are matched in a cooperative manner, so that the rotating synchronism of the conveying roller ways 4 is further ensured. The existing transmission mode hardly guarantees that the instantaneous rotating speed of each transmission roller way 4 is consistent, the back of each battery piece can be scratched, if the battery pieces are close to each other, the battery pieces are easy to be collided with each other, so that lamination accidents are caused, and the production efficiency is influenced. The arrangement of the invention can lead the arrangement of the battery plates in the furnace body to be more compact, and the number of the battery plates passing through in the same time is increased, thereby not only improving the product percent of pass, but also improving the production efficiency.
The supporting body 6 is a cone with a single-layer or multi-layer bearing surface 8, the cones arranged in pairs are provided with different intervals on different bearing surfaces, and the production of battery pieces with different models and specifications can be adapted without replacing a transmission roller way, so that the production time is greatly saved, the production efficiency is improved, and the labor intensity is reduced.
Through the special structural arrangement of the invention, the sintering effect is improved, the adjacent battery plates are prevented from touching, the lamination accident is prevented, and the qualification rate and the production efficiency of finished products are effectively improved.
Claims (20)
1. The utility model provides a novel transmission structure of roll table formula solar cell fritting furnace is equipped with a plurality of transmission roll tables in the furnace body, and the furnace body includes drying area (1), fritting area (2) and cooling space (3), its characterized in that: the distance between the conveying roller ways (4) is less than or equal to half of the length of the conveyed battery pieces.
2. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 1, characterized in that: the distance between the conveying roller ways (4) is 50-105 mm.
3. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 2, characterized in that: the distance between the conveying roller ways (4) is 60-90 mm.
4. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 1, characterized in that: each conveying roller way (4) is driven by the same main shaft (9) in a belt or magnetic wheel mode.
5. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 4, characterized in that: the conveying roller ways (4) are also connected in an interlocking way through belts (5).
6. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 1, characterized in that: supporting bodies (6) are arranged on the conveying roller ways (4) of the furnace body drying area (1) and/or the sintering area (2), and the supporting bodies (6) are arranged on the conveying roller ways (4) in pairs.
7. The novel transmission structure of the roller-way type solar cell sintering furnace according to claim 6, characterized in that: the supporting body (6) is provided with a single-layer, two-layer or more than two-layer bearing surface (8).
8. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 7, characterized in that: the bearing surface (8) is an inclined surface.
9. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 8, characterized in that: the inclination angles of different bearing surfaces (8) are different.
10. The novel conveying structure of the roller-way type solar cell sintering furnace according to claim 8 or 9 is characterized in that the inclination angle α of the bearing surface (8) is 10-45 degrees.
11. The novel conveying structure of the roller-way type solar cell sintering furnace is characterized in that the inclination angle α of the bearing surface (8) is 10-30 degrees.
12. The novel conveying structure of the roller-way type solar cell sintering furnace according to any one of claims 6 to 9 and 11, characterized in that: the supporting body (6) adopts an integrated structure.
13. The novel conveying structure of the roller-way type solar cell sintering furnace according to any one of claims 6 to 9 and 11, characterized in that: the support body (6) adopts a split structure.
14. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 13, characterized in that: the support bodies (6) are movable annular structures or annular structures with steps, and the distance between the two support bodies (6) is adjustable.
15. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 13, characterized in that: the support body (6) adopts a sleeved split type structure.
16. The novel conveying structure of the roller-way type solar cell sintering furnace according to claim 14 or 15, characterized in that: the supporting body (6) is fixed on the conveying roller way (4) through screws, pins or bolts.
17. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 16, characterized in that: and a buffer material (10) is padded between the bottom of the screw and the conveying roller way (4).
18. The novel transmission structure of the roller-type solar cell sintering furnace according to any one of claims 1 to 9, 11, 14, 15 and 17, characterized in that: a buffer soft ring (7) is arranged on the transmission roller way (4) of the furnace body cooling area (3).
19. The novel transmission structure of the roller-type solar cell sintering furnace according to any one of claims 1 to 9, 11, 14, 15 and 17, characterized in that: the transmission roller way (4) of the furnace body drying area (1) and/or the sintering area (2) is made of transparent high-temperature-resistant materials.
20. The novel transmission structure of the roller-type solar cell sintering furnace according to claim 19, characterized in that: the conveying roller way (4) of the furnace body drying area (1) and/or the sintering area (2) is made of glass, quartz glass or transparent ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224687.2A CN111442642A (en) | 2020-03-26 | 2020-03-26 | Novel transmission structure of roller-way type solar cell sintering furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224687.2A CN111442642A (en) | 2020-03-26 | 2020-03-26 | Novel transmission structure of roller-way type solar cell sintering furnace |
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| CN111442642A true CN111442642A (en) | 2020-07-24 |
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| CN202010224687.2A Pending CN111442642A (en) | 2020-03-26 | 2020-03-26 | Novel transmission structure of roller-way type solar cell sintering furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371389A (en) * | 2021-05-07 | 2021-09-10 | 晶澳太阳能有限公司 | Blanking roller, blanking device and method for reducing blackening problem of battery piece |
-
2020
- 2020-03-26 CN CN202010224687.2A patent/CN111442642A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371389A (en) * | 2021-05-07 | 2021-09-10 | 晶澳太阳能有限公司 | Blanking roller, blanking device and method for reducing blackening problem of battery piece |
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