CN204255067U - For the sintering furnace of solar battery sheet - Google Patents

For the sintering furnace of solar battery sheet Download PDF

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Publication number
CN204255067U
CN204255067U CN201420711336.4U CN201420711336U CN204255067U CN 204255067 U CN204255067 U CN 204255067U CN 201420711336 U CN201420711336 U CN 201420711336U CN 204255067 U CN204255067 U CN 204255067U
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China
Prior art keywords
air
pipe
air inlet
burner hearth
guiding roller
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Expired - Fee Related
Application number
CN201420711336.4U
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Chinese (zh)
Inventor
陈五奎
李军
冯加保
徐文州
陈磊
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Leshan Topraycell Co Ltd
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Leshan Topraycell Co Ltd
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Priority to CN201420711336.4U priority Critical patent/CN204255067U/en
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Publication of CN204255067U publication Critical patent/CN204255067U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of sintering furnace for solar battery sheet of the temperature remained constant that can make in burner hearth.This sintering furnace comprises furnace shell, exhaust column, guipure and drive unit, burner hearth is provided with in described furnace shell, burner hearth is provided with air inlet and exhaust outlet, air inlet is connected with air inlet pipe, described air inlet pipe is connected with air compressor, supply air line is provided with between described air compressor and air inlet pipe, described supply air line comprises the main air supply pipe be connected with the gas outlet of air compressor, described main air supply pipe is connected with multiple sub-air supply pipe, described air inlet pipe is heat exchanger tube, and described heat exchanger tube surface is provided with heat exchanger fin.Air when the external world needed first through heat exchanger tube heat exchange before entering burner hearth, entered the air themperature in burner hearth and the temperature difference in burner hearth so little, can not affect greatly, can ensure the temperature substantially constant in burner hearth to the temperature in burner hearth.Be adapted at silicon chip of solar cell process equipment field to apply.

Description

For the sintering furnace of solar battery sheet
Technical field
The utility model relates to silicon chip of solar cell process equipment field, especially a kind of sintering furnace for solar battery sheet.
Background technology
In the whole technological process of production of solar cell silicon wafer, 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, printing is made to form good Ohmic contact to the metal electrode in silicon chip spreading mass and silicon chip, the electric current being beneficial to battery exports, and the efficiency that battery should reach is brought into play.If the Ohmic contact between silicon chip and electrode is bad, then portion of electrical current can be caused to export, thus reduce the energy conversion efficiency of cell piece.That is sintering circuit is the vital step making crystal silicon chip really have photoelectric converting function, and the quality of sintering quality directly affects the height of final solar cell piece efficiency.Therefore, the performance quality of agglomerating plant directly affects the quality of cell piece.
Existing agglomerating plant mainly adopts sintering furnace to realize, existing sintering furnace comprises furnace shell, exhaust column, guipure and the drive unit driving guipure to move, described exhaust column is horizontally set on above furnace shell, exhaust column one end seals, the other end is connected with air exhauster, exhaust column is provided with multiple exhausting pipe, described exhausting pipe vertically arranges and the mouth of pipe of the sub-pipe of exhausting is downward, polylith dividing plate is provided with in described furnace shell, space in furnace shell is divided into multiple sintering zone by described polylith dividing plate, described dividing plate is provided with the through hole passed for guipure, burner hearth is provided with in described sintering zone, upper space in described burner hearth is provided with a row top heating tube, lower space in burner hearth is provided with row's bottom-heated pipe, it is heating region between top heating tube and bottom-heated pipe, described guipure is successively horizontal through multiple heating region, described burner hearth is provided with air inlet and exhaust outlet, described air inlet is connected with air inlet pipe, described air inlet pipe is positioned at furnace shell, described exhaust outlet connects an organic discharge pipe, described organic discharge pipe is connected through sub pipe of furnace shell and exhausting, described air inlet pipe is connected with air compressor, in use there is following problem in this sintering furnace: first existing sintering furnace is all pass in burner hearth after directly being compressed by outside air, because in burner hearth, temperature is higher, outside air temperature is lower, once outside air is passed in burner hearth, the temperature in burner hearth will be caused unstable, cause battery efficiency discreteness larger.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sintering furnace for solar battery sheet of the temperature remained constant that can make in burner hearth.
The utility model solves the technical scheme that its technical problem adopts: this is used for the sintering furnace of solar battery sheet, comprise furnace shell, exhaust column, guipure and the drive unit driving guipure to move, described exhaust column is horizontally set on above furnace shell, exhaust column one end seals, the other end is connected with air exhauster, exhaust column is provided with multiple exhausting pipe, described exhausting pipe vertically arranges and the mouth of pipe of the sub-pipe of exhausting is downward, polylith dividing plate is provided with in described furnace shell, space in furnace shell is divided into multiple sintering zone by described polylith dividing plate, described dividing plate is provided with the through hole passed for guipure, burner hearth is provided with in described sintering zone, upper space in described burner hearth is provided with a row top heating tube, lower space in burner hearth is provided with row's bottom-heated pipe, it is heating region between top heating tube and bottom-heated pipe, described guipure is successively horizontal through multiple heating region, described burner hearth is provided with air inlet and exhaust outlet, described air inlet is connected with air inlet pipe, described air inlet pipe is positioned at furnace shell, described exhaust outlet connects an organic discharge pipe, described organic discharge pipe is connected through sub pipe of furnace shell and exhausting, described air inlet pipe is connected with air compressor, supply air line is provided with between described air compressor and air inlet pipe, described supply air line comprises the main air supply pipe be connected with the gas outlet of air compressor, described main air supply pipe is connected with multiple sub-air supply pipe, the quantity of described sub-air supply pipe and the quantity one_to_one corresponding of sintering zone, described sub-air supply pipe is connected with air inlet pipe through furnace shell, described air inlet pipe is heat exchanger tube, described heat exchanger tube surface is provided with heat exchanger fin.
Further, the S-shaped layout of described air inlet pipe.
Further, the air inlet place of described air compressor is provided with trumpet-shaped cylindrical shell.
Further, the afterbody of described furnace shell is provided with silicon chip erection device.
Be further, described silicon chip erection device comprises the first guiding roller of the multiple rotations be arranged on the left of guipure, be arranged on the second guiding roller of the multiple rotations on the right side of guipure, described first guiding roller, the moving direction of the second guiding central axis of roller and guipure is orthogonal, sideline is guided in described multiple first guiding roll row formation in alignment first, sideline is guided in described multiple second guiding roll row formation in alignment second, described first guiding sideline, angle between second guiding sideline and the moving direction of guipure is 30-60 degree, described first guiding sideline, second guiding sideline forms along the moving direction of guipure the boot section that a width diminishes gradually, the width of the place that described guiding area width is the narrowest and silicon chip matches.
Be further, the below of described first guiding roller is provided with the first base, the upper surface of described first base is provided with multiple first chute parallel to each other, the lower end of described first guiding roller roll shaft is positioned at the first chute and can slidably reciprocates along the first chute, the roll shaft of described first guiding roller is provided with the locking device for being fixed on by the roll shaft of the first guiding roller in the first chute; The below of described second guiding roller is provided with the second base, the upper surface of described second base is provided with multiple second chute parallel to each other, the lower end of described second guiding roller roll shaft is positioned at the second chute and can slidably reciprocates along the second chute, the roll shaft of described second guiding roller is provided with the locking device for being fixed on by the roll shaft of the second guiding roller in the second chute.
Further, described locking device is locking nut.
The beneficial effects of the utility model are: by arranging by main air supply pipe between air compressor and air inlet pipe, sub-air supply pipe composition supply air line, and air inlet pipe is heat exchanger tube, described heat exchanger tube surface is provided with heat exchanger fin, air when the external world first needed through heat exchanger tube heat exchange before entering burner hearth, because air inlet pipe is positioned at furnace shell, temperature in furnace shell is also higher, air after heat exchange has certain temperature, enter the air themperature in burner hearth like this and the temperature difference in burner hearth little, temperature in burner hearth can not be affected greatly, the temperature substantially constant in burner hearth can be ensured, battery efficiency discreteness is less, and the air in the external world is through main air supply pipe, after sub-air supply pipe buffering, compressed-air actuated air pressure reaches unanimity substantially, larger fluctuation can not be caused to the air pressure in burner hearth, can further make battery efficiency discreteness less, in addition, the heating of air be utilize burner hearth to distribute heat automatically to the air heat near it, heat is fully used, avoid the waste of the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the sintering furnace of solar battery sheet;
Fig. 2 be the utility model for solar battery sheet sintering furnace described in auto-strengthening apparatus structure schematic diagram;
Be labeled as in figure: furnace shell 1, exhaust column 2, guipure 3, drive unit 4, air exhauster 5, the sub-pipe 6 of exhausting, dividing plate 7, burner hearth 8, top heating tube 9, bottom-heated pipe 10, air inlet 11, exhaust outlet 12, air inlet pipe 13, organic discharge pipe 14, air compressor 15, supply air line 16, main air supply pipe 161, sub-air supply pipe 162, heat exchanger fin 163, trumpet-shaped cylindrical shell 17, silicon chip erection device 18, first guiding roller 181, second guiding roller 182, first base 183, first chute 184, second base 185, second chute 186.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, this is used for the sintering furnace of solar battery sheet, comprise furnace shell 1, exhaust column 2, guipure 3 and the drive unit 4 driving guipure 3 to move, described exhaust column 2 is horizontally set on above furnace shell 1, exhaust column 2 one end seals, the other end is connected with air exhauster 5, exhaust column 2 is provided with the sub-pipe 6 of multiple exhausting, the sub-pipe of described exhausting 6 vertically arranges and the mouth of pipe of the sub-pipe of exhausting 6 is downward, polylith dividing plate 7 is provided with in described furnace shell 1, space in furnace shell 1 is divided into multiple sintering zone by described polylith dividing plate 7, described dividing plate 7 is provided with the through hole passed for guipure 3, burner hearth 8 is provided with in described sintering zone, upper space in described burner hearth 8 is provided with a row top heating tube 9, lower space in burner hearth 8 is provided with row's bottom-heated pipe 10, it is heating region between top heating tube 9 and bottom-heated organ pipe 10, described guipure 3 is successively horizontal through multiple heating region, described burner hearth 8 is provided with air inlet 11 and exhaust outlet 12, described air inlet 11 is connected with air inlet pipe 13, described air inlet pipe 13 is positioned at furnace shell 1, described exhaust outlet 12 connects an organic discharge pipe 14, described organic discharge pipe 14 is connected with the sub-pipe 6 of exhausting through furnace shell 1, described air inlet pipe 13 is connected with air compressor 15, supply air line 16 is provided with between described air compressor 15 and air inlet pipe 13, described supply air line 16 comprises the main air supply pipe 161 be connected with the gas outlet of air compressor 15, described main air supply pipe 161 is connected with multiple sub-air supply pipe 162, the quantity of described sub-air supply pipe 162 and the quantity one_to_one corresponding of sintering zone, described sub-air supply pipe 162 is connected with air inlet pipe 13 through furnace shell 1, described air inlet pipe 13 is heat exchanger tube, described heat exchanger tube surface is provided with heat exchanger fin 163.By arranging by main air supply pipe 161 between air compressor 15 and air inlet pipe 13, sub-air supply pipe 162 forms supply air line 16, and air inlet pipe 13 is heat exchanger tube, described heat exchanger tube surface is provided with heat exchanger fin 163, air when the external world first needed through heat exchanger tube heat exchange before entering burner hearth 8, because air inlet pipe 13 is positioned at furnace shell 1, temperature in furnace shell 1 is also higher, air after heat exchange has certain temperature, enter the air themperature in burner hearth 8 like this and the temperature difference in burner hearth 8 little, temperature in burner hearth 8 can not be affected greatly, the temperature substantially constant in burner hearth 8 can be ensured, battery efficiency discreteness is less, and the air in the external world is through main air supply pipe 161, after sub-air supply pipe 162 cushions, compressed-air actuated air pressure reaches unanimity substantially, larger fluctuation can not be caused to the air pressure in burner hearth 8, can further make battery efficiency discreteness less, in addition, the heating of air is that the heat utilizing burner hearth 8 to distribute heats it automatically, heat is fully used, avoid the waste of the energy.
In order to enable outside air be sufficiently heated, the S-shaped layout of described air inlet pipe 13, can make air have time enough to carry out heat exchange like this.
In order to make the blowing effect of air compressor 15 better, the air inlet place of described air compressor 15 is provided with trumpet-shaped cylindrical shell 17, can play the effect of gather qi together.
Due to the flowing of air in burner hearth 8, silicon chip is made to shake sometimes, conveniently the silicon chip after sintering is collected, the afterbody of described furnace shell 1 is provided with silicon chip erection device 18, the silicon chip being processed deviation position by silicon chip erection device 18 carries out righting, so that operating personnel take away, also facilitate automated job simultaneously.
Concrete, as shown in Figure 2, described silicon chip erection device 18 comprises the first guiding roller 181 of the multiple rotations be arranged on the left of guipure 3, be arranged on the second guiding roller 182 of the multiple rotations on the right side of guipure 3, described first guiding roller 181, the moving direction of the second guiding central axis of roller 182 and guipure 3 is orthogonal, sideline is guided in described multiple first guiding roller 181 formation first of arranging in a line, sideline is guided in described multiple second guiding roller 182 formation second of arranging in a line, described first guiding sideline, angle between second guiding sideline and the moving direction of guipure 3 is 30-60 degree, described first guiding sideline, second guiding sideline forms along the moving direction of guipure 3 boot section that a width diminishes gradually, the width of the place that described guiding area width is the narrowest and silicon chip matches.After silicon chip enters boot section, if the position of silicon chip offsets, the first guiding roller 181 or the second guiding roller 182 will be encountered, described first guiding roller 181 or the second guiding roller 182 freely rotate under the driving of drive unit 4, the place the narrowest due to guiding area width and the width of silicon chip match, therefore when silicon chip is by behind guiding area, the silicon chip departing from origin-location will be directed to original position by the first guiding roller 181 of rotation or the second guiding roller 182.
The below of described first guiding roller 181 is provided with the first base 183, the upper surface of described first base 183 is provided with multiple first chute 184 parallel to each other, the lower end of described first guiding roller 181 roll shaft is positioned at the first chute 184 and can slidably reciprocates along the first chute 184, the roll shaft of described first guiding roller 181 is provided with the locking device for being fixed on by the roll shaft of the first guiding roller 181 in first chute 184; The below of described second guiding roller 182 is provided with the second base 185, the upper surface of described second base 185 is provided with multiple second chute 186 parallel to each other, the lower end of described second guiding roller 182 roll shaft is positioned at the second chute 186 and can slidably reciprocates along the second chute 186, the roll shaft of described second guiding roller 182 is provided with the locking device for being fixed on by the roll shaft of the second guiding roller 182 in second chute 186.When needing adjustment first to guide the position of roller 181 and the second guiding roller 182, only locking device need be opened, then mobile first guiding roller 181 and the second guiding roller 182, when being moved to assigned address, then is fixed with locking device.Further, described locking device can adopt the realization such as latch, fastening bolt, and in order to convenient disassembly, described locking device is locking nut.

Claims (7)

1. for the sintering furnace of solar battery sheet, comprise furnace shell (1), exhaust column (2), guipure (3) and the drive unit (4) driving guipure (3) to move, described exhaust column (2) is horizontally set on furnace shell (1) top, exhaust column (2) one end seals, the other end is connected with air exhauster (5), exhaust column (2) is provided with multiple exhausting son pipe (6), described exhausting son pipe (6) vertically arranges and the mouth of pipe of exhausting son pipe (6) is downward, polylith dividing plate (7) is provided with in described furnace shell (1), space in furnace shell (1) is divided into multiple sintering zone by described polylith dividing plate (7), described dividing plate (7) is provided with the through hole passed for guipure (3), burner hearth (8) is provided with in described sintering zone, upper space in described burner hearth (8) is provided with row top heating tube (9), lower space in burner hearth (8) is provided with row's bottom-heated pipe (10), be heating region between top heating tube (9) and bottom-heated pipe (10), described guipure (3) is successively horizontal through multiple heating region, described burner hearth (8) is provided with air inlet (11) and exhaust outlet (12), described air inlet (11) is connected with air inlet pipe (13), described air inlet pipe (13) is positioned at furnace shell (1), the upper connection organic discharge pipe (14) of described exhaust outlet (12), described organic discharge pipe (14) is managed (6) through furnace shell (1) with exhausting and is connected, described air inlet pipe (13) is connected with air compressor (15), it is characterized in that: between described air compressor (15) and air inlet pipe (13), be provided with supply air line (16), described supply air line (16) comprises the main air supply pipe (161) be connected with the gas outlet of air compressor (15), described main air supply pipe (161) is connected with multiple sub-air supply pipe (162), the described quantity of sub-air supply pipe (162) and the quantity one_to_one corresponding of sintering zone, described sub-air supply pipe (162) is connected with air inlet pipe (13) through furnace shell (1), described air inlet pipe (13) is heat exchanger tube, described heat exchanger tube surface is provided with heat exchanger fin (163).
2., as claimed in claim 1 for the sintering furnace of solar battery sheet, it is characterized in that: described air inlet pipe (13) S-shaped layout.
3., as claimed in claim 2 for the sintering furnace of solar battery sheet, it is characterized in that: the air inlet place of described air compressor (15) is provided with trumpet-shaped cylindrical shell (17).
4., as claimed in claim 3 for the sintering furnace of solar battery sheet, it is characterized in that: the afterbody of described furnace shell (1) is provided with silicon chip erection device (18).
5. as claimed in claim 4 for the sintering furnace of solar battery sheet, it is characterized in that: described silicon chip erection device (18) comprises the first guiding roller (181) of the multiple rotations being arranged on guipure (3) left side, be arranged on the second guiding roller (182) of multiple rotations on guipure (3) right side, described first guiding roller (181), central axis and the moving direction of guipure (3) of the second guiding roller (182) are orthogonal, sideline is guided in described multiple first guiding roller (181) formation first of arranging in a line, sideline is guided in described multiple second guiding roller (182) formation second of arranging in a line, described first guiding sideline, angle between second guiding sideline and the moving direction of guipure (3) is 30-60 degree, described first guiding sideline, second guiding sideline forms along the moving direction of guipure (3) boot section that a width diminishes gradually, the width of the place that described guiding area width is the narrowest and silicon chip matches.
6. as claimed in claim 5 for the sintering furnace of solar battery sheet, it is characterized in that: the below of described first guiding roller (181) is provided with the first base (183), the upper surface of described first base (183) is provided with multiple first chute (184) parallel to each other, the lower end of described first guiding roller (181) roll shaft is positioned at the first chute (184) and can slidably reciprocates along the first chute (184), the roll shaft of described first guiding roller (181) is provided with the locking device for being fixed on by the roll shaft of the first guiding roller (181) in the first chute (184), the below of described second guiding roller (182) is provided with the second base (185), the upper surface of described second base (185) is provided with multiple second chute (186) parallel to each other, the lower end of described second guiding roller (182) roll shaft is positioned at the second chute (186) and can slidably reciprocates along the second chute (186), the roll shaft of described second guiding roller (182) is provided with the locking device for being fixed on by the roll shaft of the second guiding roller (182) in the second chute (186).
7., as claimed in claim 6 for the sintering furnace of solar battery sheet, it is characterized in that: described locking device is locking nut.
CN201420711336.4U 2014-11-24 2014-11-24 For the sintering furnace of solar battery sheet Expired - Fee Related CN204255067U (en)

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Application Number Priority Date Filing Date Title
CN201420711336.4U CN204255067U (en) 2014-11-24 2014-11-24 For the sintering furnace of solar battery sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420711336.4U CN204255067U (en) 2014-11-24 2014-11-24 For the sintering furnace of solar battery sheet

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288772A (en) * 2016-10-07 2017-01-04 苏州南北深科智能科技有限公司 A kind of sintering furnace for photovoltaic solar cell silicon chip
CN109059536A (en) * 2018-08-13 2018-12-21 深圳市南方源芯电气有限公司 A kind of sintering furnace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288772A (en) * 2016-10-07 2017-01-04 苏州南北深科智能科技有限公司 A kind of sintering furnace for photovoltaic solar cell silicon chip
CN106288772B (en) * 2016-10-07 2019-08-20 苏州南北深科智能科技有限公司 A kind of sintering furnace for photovoltaic solar cell silicon wafer
CN109059536A (en) * 2018-08-13 2018-12-21 深圳市南方源芯电气有限公司 A kind of sintering furnace

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150408

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