CN204537995U - Roller bed type solar cell sintering and radiation annealing one continuous oven - Google Patents
Roller bed type solar cell sintering and radiation annealing one continuous oven Download PDFInfo
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- CN204537995U CN204537995U CN201520258517.0U CN201520258517U CN204537995U CN 204537995 U CN204537995 U CN 204537995U CN 201520258517 U CN201520258517 U CN 201520258517U CN 204537995 U CN204537995 U CN 204537995U
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- sintering
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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
Abstract
The utility model relates to a kind of roller bed type solar cell sintering and radiation annealing one continuous oven, can be used for sintering and the radiation annealing process of solar cell, be made up of feeding area, sintering zone, sintering cooling zone, radiation annealing district, annealing cooling zone and discharging area, cell piece transmits on one group of horizontal roller-way, and successively through above-mentioned each district, disposable sintering and the radiation annealing process completing solar cell.The utility model fundamentally solves the large-scale production problem of radiation annealing process, thus solves solar cell attenuation problem in use to greatest extent.
Description
Technical field
The utility model relates to a kind of roller bed type solar cell sintering and radiation annealing one continuous oven, can be used for sintering and the radiation annealing process of solar cell.
Background technology
In the whole technological process of production of solar cell, diffusion, printing and sintering three process are topmost.Wherein, sintering process is mainly used in drying the slurry being printed on silicon chip surface, burn the organic solvent volatilized from slurry, the positive and negative of synchronous sintering solar cell silicon wafer, make printing form good ohmic contact to the metal electrode in silicon chip spreading mass and silicon chip, the quality of sintering quality directly affects the conversion efficiency of solar cell.Under normal circumstances, solar cell, with after chain-type sintering furnace sintering, can make assembly, drops into solar power station and uses.
Solar cell, in use can luminous efficiency decay under long-term photoenvironment because the right existence of boron oxygen, and the PERC battery risen especially in recent years, this decay is particularly serious.Research shows, uses a kind of specific light source to carry out radiation annealing process to cell piece in advance under uniform temperature condition, can effectively prevent this relaxation phenomenon from occurring.But, still unspecial equipment cell piece being carried out to radiation annealing process at present.
For this reason, applicants have invented a kind of roller bed type solar cell sintering and radiation annealing one continuous oven, after making cell piece complete sintering in roll-type stove, directly complete radiation annealing process continuously, fundamentally solve the large-scale production problem of radiation annealing process.
Utility model content
According to above the deficiencies in the prior art; technical problem to be solved in the utility model is: provide a kind of roller bed type solar cell to sinter and radiation annealing one continuous oven; fundamentally solve the large-scale production problem of radiation annealing process, thus solve solar cell attenuation problem in use to greatest extent.
Roller bed type solar cell sintering described in the utility model and radiation annealing one continuous oven, be made up of feeding area, sintering zone, sintering cooling zone, radiation annealing district, annealing cooling zone and discharging area, cell piece transmits on one group of horizontal roller-way, and successively through above-mentioned each district, disposable sintering and the radiation annealing process completing solar cell.
Above described roller-way, be provided with light source, the below of roller-way is provided with heater, or be provided with light source in the below of roller-way, above roller-way, be provided with heater, cell piece is in transmitting procedure, and it is just facing to light source, and its back side is towards heater.
Described light source is Halogen lamp LED, xenon lamp, incandescent lamp or LED.
Described heater is infrared lamp, heating wire or air-heater.
Between described light source and cell piece, one deck printing opacity insulation material layer is set, light source is isolated in outside cell piece heating region.
In the chamber installing light source, be provided with cold wind blower or air exhausting device that light source is cooled, light source is cooled.
Described printing opacity insulation material layer material is quartz glass or toughened glass.
100 DEG C-300 DEG C by the heating-up temperature of heater to cell piece, preferably 150 DEG C-250 DEG C
Preferably, the irradiance of light source is 50mW/cm
2-200mW/cm
2, 80mW/cm
2-150mW/cm
2.
The material of described roller-way is that quartz-ceramics, quartz glass, aluminium oxide ceramics, silicon nitride ceramics, stainless steel or aluminium alloy etc. do not pollute cell piece, resistant to elevated temperatures material.
Described roller-way is solid roller-way or hollow roller-way, and the shape of roller-way is isometrical cylindric, step-like, circular cone shape, shape of threads or circular, roller-way can one-directional rotation, also can reciprocating rotation.
Between sintering cooling zone and radiation annealing district, be provided with buffering area, the heating and heat-insulating device that can the cell piece after sintering be heated and is incubated is provided with in buffering area, or the storage device that temporarily stores of cell piece after by sintering is set in buffering area, or in buffering area, arranges that the cell piece after by sintering is single-row is divided into the separate row device that multiple row is transferred to radiation annealing district.Can keep in buffering area certain temperature that the cell piece after sintering is directly sent into radiation annealing district, also the cell piece after sintering temporarily can be stored, also the single-row multiple row that is divided into can be transferred to radiation annealing district.
The design temperature of described buffering area heating and heat-insulating device is 50 DEG C-200 DEG C.
Compared with prior art, the beneficial effect that the utility model has is:
The roller bed type solar cell sintering that the utility model provides and radiation annealing one continuous oven, sintering process and radiation annealing process are organically combined, forms a continuous print production line, and cell piece is transmitted continuously by one group of horizontal roller-way, complete sintering and radiation annealing process in horizontal traveling process continuously, have energy consumption low, operate steadily, production capacity is large, the feature of continuous prodution, after applying, the problem decayed in solar cell use procedure can be solved to greatest extent.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
In figure: 1, feeding area; 2, sintering zone; 3, cooling zone is sintered; 4, buffering area; 5, radiation annealing district; 6, annealing cooling zone; 7, discharging area; 8, cell piece; 9, roller-way; 10, heater; 11, light source; 12, printing opacity insulation material layer.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Embodiment 1
As shown in Figure 1, this roller bed type solar cell sintering and radiation annealing one continuous oven are made up of feeding area 1, sintering zone 2, sintering cooling zone 3, buffering area 4, radiation annealing district 5, annealing cooling zone 6, discharging area 7, roller-way 9 arranges in the horizontal direction and passes each district successively, cell piece 8 rotates with roller-way 9 and is fed forward on roller-way 9, after cell piece 8 enters feeding area 1, sintering zone 2 is entered under the transmission of roller-way 9, after completing sintering, enter sintering cooling zone 3, then enter buffering area 4, continue to enter radiation annealing district 5 under the transmission of roller-way 9.After cell piece 8 completes radiation annealing, cooled by annealing cooling zone 6, enter discharging area 7, namely complete whole sintering and radiation annealing process.
Sintering zone 2 above roller-way 9 below or above and below be provided with heater, sintering cooling zone 3 be provided with cooling device.
Buffering area 4 is arranged between sintering cooling zone 3 and radiation annealing district 5, can keep certain temperature that the cell piece 8 after sintering is directly sent into radiation annealing district 5, also the cell piece 8 after sintering temporarily can be stored, also the single-row multiple row that is divided into can be transferred to radiation annealing district 5.
Radiation annealing district 5 comprises light source 11, upper furnace shell, printing opacity insulation material layer 12, lower furnace shell and heater 10 form, upper furnace shell, lower furnace shell forms furnace chamber, roller-way 9 is through furnace chamber, cell piece 8 level under the transmission of roller-way 9 is advanced, enter radiation annealing district 5, the bottom in radiation annealing district 5 is provided with heater 10, the top in radiation annealing district 5 is provided with light source 11, in the chamber installing light source 11, be provided with cold wind blower or air exhausting device that light source 11 is cooled, the bottom of light source 11 is provided with printing opacity insulation material layer 12, heating region and light source 11 are separated, to prevent heat, light source 11 is burnt out.Annealing cooling zone 6 is provided with cooling blower, after cell piece 8 completes radiation annealing, is cooled by cooling blower, namely completes whole radiation annealing process.
Light source 11 can be Halogen lamp LED, xenon lamp, incandescent lamp or LED, heater 10 can be infrared lamp, heating wire or air-heater, roller-way 9 is solid roller-way or hollow roller-way, the shape of roller-way 9 is isometrical cylindric, step-like, circular cone shape, shape of threads or circular, the material of roller-way 9 is quartz-ceramics, quartz glass, aluminium oxide ceramics, silicon nitride ceramics, stainless steel or aluminium alloy, printing opacity insulation material layer 12 material is quartz glass or toughened glass, in the present embodiment, the roller-way 9 used is Quartz Ceramic Rollers, light source 11 is tungsten halogen lamps, heater 10 is infrared lamps, printing opacity heat-barrier material is quartz glass plate, sintering temperature is 800-850 DEG C, the temperature of buffering area 4 is generally 50-200 DEG C, preferably 100-200 DEG C, the heating-up temperature in radiation annealing district 5 is 100 DEG C-300 DEG C, and be better 150 DEG C-250 DEG C, the irradiance of light source 11 is 50mW/cm2-200mW/cm2, is better 80mW/cm2-150mW/cm2.
Embodiment 2
The bottom in radiation annealing district 5 is provided with light source 11, the top of radiation annealing stove is provided with heater 10, between light source 11 and roller-way 9 bottom surface, be provided with printing opacity insulation material layer 12, top heating region and light source 11 separate by printing opacity insulation material layer 12, and all the other are with embodiment 1.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (12)
1. a roller bed type solar cell sintering and radiation annealing one continuous oven, it is characterized in that: be made up of feeding area (1), sintering zone (2), sintering cooling zone (3), radiation annealing district (5), annealing cooling zone (6) and discharging area (7), cell piece (8) is in the upper transmission of one group of horizontal roller-way (9), and successively through above-mentioned each district, disposable sintering and the radiation annealing process completing solar cell.
2. roller bed type solar cell sintering according to claim 1 and radiation annealing one continuous oven, it is characterized in that: be provided with light source (11) in the top of described roller-way (9), the below of roller-way (9) is provided with heater (10), or be provided with light source (11) in the below of roller-way (9), the top of roller-way (9) is provided with heater (10), cell piece (8) is in transmitting procedure, it is just facing to light source (11), and its back side is towards heater (10).
3. roller bed type solar cell sintering according to claim 2 and radiation annealing one continuous oven, is characterized in that: described light source (11) is Halogen lamp LED, xenon lamp, incandescent lamp or LED.
4. roller bed type solar cell according to claim 2 sintering and radiation annealing integrally continuous oven, is characterized in that: described heater (10) is infrared lamp, heating wire or air-heater.
5. roller bed type solar cell sintering according to claim 2 and radiation annealing one continuous oven, it is characterized in that: between described light source (11) and cell piece (8), one deck printing opacity insulation material layer (12) is set, light source (11) is isolated in outside cell piece (8) heating region.
6. roller bed type solar cell sintering according to claim 5 and radiation annealing one continuous oven, it is characterized in that: in the chamber installing light source (11), be provided with cold wind blower or air exhausting device that light source (11) is cooled.
7. roller bed type solar cell sintering according to claim 5 and radiation annealing one continuous oven, is characterized in that: described printing opacity insulation material layer (12) material is quartz glass or toughened glass.
8. roller bed type solar cell according to claim 2 sintering and radiation annealing integrally continuous oven, is characterized in that: be 100 DEG C-300 DEG C by the heating-up temperature of heater (10) to cell piece (8).
9. roller bed type solar cell sintering according to claim 2 and radiation annealing one continuous oven, is characterized in that: the irradiance of described light source (11) is 50mW/cm
2-200mW/cm
2.
10. roller bed type solar cell sintering according to claim 2 and radiation annealing one continuous oven, is characterized in that: the material of described roller-way (9) is quartz-ceramics, quartz glass, aluminium oxide ceramics, silicon nitride ceramics, stainless steel or aluminium alloy.
11. roller bed type solar cell sintering according to claim 2 and radiation annealing one continuous oven, it is characterized in that: described roller-way (9) is solid roller-way or hollow roller-way, the shape of roller-way (9) is isometrical cylindric, step-like, circular cone shape, shape of threads or circular.
12. according to the arbitrary described roller bed type solar cell sintering of claim 1 ~ 11 and radiation annealing one continuous oven, it is characterized in that: between sintering cooling zone (3) and radiation annealing district (5), be provided with buffering area (4), the heating and heat-insulating device that can the cell piece (8) after sintering be heated and is incubated is provided with in buffering area (4), or the storage device that the cell piece (8) after by sintering temporarily stores is set in buffering area (4), or the cell piece (8) after by sintering is set in buffering area (4) and is single-rowly divided into the separate row device that multiple row is transferred to radiation annealing district (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258517.0U CN204537995U (en) | 2015-04-25 | 2015-04-25 | Roller bed type solar cell sintering and radiation annealing one continuous oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258517.0U CN204537995U (en) | 2015-04-25 | 2015-04-25 | Roller bed type solar cell sintering and radiation annealing one continuous oven |
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| CN204537995U true CN204537995U (en) | 2015-08-05 |
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|---|---|---|---|
| CN201520258517.0U Withdrawn - After Issue CN204537995U (en) | 2015-04-25 | 2015-04-25 | Roller bed type solar cell sintering and radiation annealing one continuous oven |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810309A (en) * | 2015-04-25 | 2015-07-29 | 北京金晟阳光科技有限公司 | Roller way type solar cell sintering and radiation annealing integrated continuous furnace |
| WO2016173471A1 (en) * | 2015-04-25 | 2016-11-03 | 北京金晟阳光科技有限公司 | Roller type solar cell irradiation annealing furnace |
| CN104810309B (en) * | 2015-04-25 | 2018-02-09 | 北京金晟阳光科技有限公司 | Roller bed type solar cell sinters and radiation annealing one continuous oven |
| WO2021088836A1 (en) * | 2019-11-04 | 2021-05-14 | 苏州南北深科智能科技有限公司 | Solar cell curing and hydrogen passivation integrated machine |
-
2015
- 2015-04-25 CN CN201520258517.0U patent/CN204537995U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810309A (en) * | 2015-04-25 | 2015-07-29 | 北京金晟阳光科技有限公司 | Roller way type solar cell sintering and radiation annealing integrated continuous furnace |
| WO2016173471A1 (en) * | 2015-04-25 | 2016-11-03 | 北京金晟阳光科技有限公司 | Roller type solar cell irradiation annealing furnace |
| WO2016173472A1 (en) * | 2015-04-25 | 2016-11-03 | 北京金晟阳光科技有限公司 | Roller type solar cell sintering and irradiation annealing integrated continuous furnace |
| CN104810309B (en) * | 2015-04-25 | 2018-02-09 | 北京金晟阳光科技有限公司 | Roller bed type solar cell sinters and radiation annealing one continuous oven |
| WO2021088836A1 (en) * | 2019-11-04 | 2021-05-14 | 苏州南北深科智能科技有限公司 | Solar cell curing and hydrogen passivation integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20180209 |
|
| AV01 | Patent right actively abandoned |