CN205079634U - Silicon solar cell is condenser for sintering - Google Patents
Silicon solar cell is condenser for sintering Download PDFInfo
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- CN205079634U CN205079634U CN201520858244.3U CN201520858244U CN205079634U CN 205079634 U CN205079634 U CN 205079634U CN 201520858244 U CN201520858244 U CN 201520858244U CN 205079634 U CN205079634 U CN 205079634U
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Abstract
The utility model discloses a silicon solar cell is condenser for sintering relates to silicon solar cell preparation field. The utility model discloses a silicon solar cell is condenser for sintering, include condenser main part, cooling water piping, filter screen, side pipeline, go up exhaust pipe and lower exhaust pipe, the inner wall all around of condenser main part encircles has cooling water piping, and the condenser main part is inside to be equipped with the filter screen on the cross section, and the filter screen is located cooling water piping's top, the side bottom of condenser main part is connected with the ascending side of slope pipeline, and the one end that condenser main part side was kept away from to the side pipeline is connected with down exhaust pipe, the top surface of condenser main part is connected with exhaust pipe. The utility model provides a silicon solar cell is condenser for sintering in the fritting furnace of having avoided flowing back after the organic solvent condensation of volatilizing out, has reduced clean various exhaust pipe's frequency.
Description
Technical field
The utility model relates to silicon solar cell preparation field, more particularly, relates to a kind of silicon solar cell sintering condenser.
Background technology
Silicon solar cell is after serigraphy, need again through sintering workshop section, sinter one of important procedure produced as solar battery sheet, that the electrode be printed onto on silicon chip is at high temperature sintered into cell piece, electrode and silicon chip itself is finally made to form Ohmic contact, make the contact of electrode have resistance characteristic, reach the object of producing high conversion efficiency cell piece.
In the slurry drying course that will be printed on silicon chip, organic solvent is had along with evaporating in slurry, conventional treatment mode is being drained by exhaust duct straight up and down, but this kind of mode is when sintering furnace is just opened, because exhaust duct wall contacts with outside air, its temperature is lower, in this case, the gas (particularly organic matter) evaporated from slurry is met when contacting exhaust duct wall and coldly be there occurs condensation, so be attached on exhaust duct wall with sticky state, even be back in sintering furnace, fire hazardous, there is very large potential safety hazard.
About solar cell sintered furnace smoke discharging pipe condensation filtration system, in prior art, existing related art scheme is open, as patent publication No.: CN102179061A, publication date: on September 14th, 2011, invention and created name is: a kind of solar cell sintered furnace smoke discharging pipe condensation filtration system, this application case discloses a kind of solar cell sintered furnace smoke discharging pipe condensation filtration system, comprise a condenser, the top of condenser is connected with top smoke discharging pipe by a cubic infundibular body, the bottom of condenser is connected with bottom smoke discharging pipe by a cubic infundibular body, the liquid collection end that cooling water collects waste discharge apparatus is located in cubic infundibular body, the waste gas liquefied by condenser is collected waste discharge apparatus by this cooling water and is collected.The smoke discharging pipe condensation filtration system for sintering furnace in crystal silicon body solar battery sheet production process that this application case provides passes through middle condenser, by gas (particularly organic matter) condensation liquefaction of upper row and by the collection of cooling water collection waste discharge apparatus.But, this application case also has the following disadvantages: the condensation filtration system structure of this application case is more complicated, be not easy to safeguard, and bottom smoke discharging pipe is positioned at immediately below condenser, under gravity, in condenser, the organic matter of post liquefaction can inevitably flow in the smoke discharging pipe of bottom, and then flows in sintering furnace, thus has very large potential safety hazard.
Utility model content
1. the utility model technical problem that will solve
In current solar battery sheet sintering workshop section, conventional exhaust duct is straight up and down adopted to be drained by the flue gas of generation, but meet cold generation condensation because the gas (particularly organic matter) that evaporates contacts with exhaust duct wall and be back in sintering furnace, fire hazardous, has very large potential safety hazard; For the problems referred to above, the utility model provides a kind of silicon solar cell sintering condenser, is back in sintering furnace after avoiding the organic solvent condensate evaporated, and reduces the frequency of clean various exhaust duct.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
Silicon solar cell sintering condenser of the present utility model, comprises condenser bodies, cooling water pipeline, filter screen, side duct, upper exhaust duct and lower exhaust duct;
The surrounding inner wall surrounding of described condenser bodies has cooling water pipeline, and condenser bodies inside is provided with filter screen along cross section, and described filter screen is positioned at the top of cooling water pipeline; The side bottom of described condenser bodies is connected with the side duct tilted upward, and described side duct is connected with lower exhaust duct away from one end of condenser bodies side; The end face of described condenser bodies is connected with exhaust duct.
Further improve as the utility model, the angle of described side duct and horizontal plane is 20 ~ 30 °.
Further improve as the utility model, described cooling water pipeline comprises lower cooling water pipeline and upper cooling water pipeline, lower cooling water pipeline and upper cooling water pipeline are looped around on the surrounding inwall of condenser bodies from the bottom to top successively, and the water inlet pipe of lower cooling water pipeline is in parallel with the water inlet pipe of upper cooling water pipeline.
Further improve as the utility model, the bottom surface of described condenser bodies is provided with bottom opening, and described bottom opening place is provided with the outer cover removably connected.
Further improve as the utility model, the linkage section of described upper exhaust duct and condenser bodies end face is up-small and down-big funnel-form, and described upper exhaust duct is connected with negative-pressure air fan away from one end of condenser bodies end face.
Further improve as the utility model, the junction of the junction of described upper exhaust duct and condenser bodies end face, described side duct and condenser bodies side is all wound with insulation adhesive tape.
Further improve as the utility model, described filter screen is dismountable is arranged at condenser bodies inside, and the material of filter screen is stainless steel or aluminium.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) in the utility model; flue gas in solar cell sintered furnace is discharged from lower exhaust duct; enter in condenser bodies by side duct; because side duct tilts upward setting; after making the organic solvent condensate evaporated in side duct, can flow directly in condenser bodies along side duct, be back in lower exhaust duct after avoiding the organic solvent condensate evaporated; protect solar cell sintered furnace, improve safety coefficient.
(2) in the utility model; by being provided with cooling water pipeline at condenser bodies surrounding inner wall surrounding; can the organic solvent of condensation liquefaction be trapped in condenser bodies; the organic solvent avoiding condensation liquefaction is back in solar cell sintered furnace; the organic solvent avoiding condensation liquefaction is bonded on various exhaust duct inwall; reduce the frequency of clean various exhaust duct, and the organic solvent in flue gas is retained down, and protects environment.
(3) silicon solar cell sintering condenser of the present utility model, reasonable in design, principle is simple, is convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of silicon solar cell sintering condenser of the present utility model.
Label declaration in schematic diagram:
1, condenser bodies; 2, lower cooling water pipeline; 3, upper cooling water pipeline; 4, filter screen; 5, bottom opening; 6, side duct; 7, upper exhaust duct; 8, lower exhaust duct.
Detailed description of the invention
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Composition graphs 1, the silicon solar cell sintering condenser of the present embodiment, comprises condenser bodies 1, cooling water pipeline, filter screen 4, side duct 6, upper exhaust duct 7 and lower exhaust duct 8.The surrounding inner wall surrounding of condenser bodies 1 has cooling water pipeline, and condenser bodies 1 inside is provided with filter screen 4 along cross section, and filter screen 4 is positioned at the top of cooling water pipeline; The side bottom of condenser bodies 1 is connected with the side duct 6 tilted upward, and side duct 6 is connected with lower exhaust duct 8 away from one end of condenser bodies 1 side; The end face of condenser bodies 1 is connected with exhaust duct 7.
Present embodiments provide a kind of silicon solar cell sintering condenser, flue gas in solar cell sintered furnace is discharged from lower exhaust duct 8, enter in condenser bodies 1 by side duct 6, side bottom due to condenser bodies 1 is connected with the side duct 6 tilted upward, side duct 6 tilt upward setting, after making the organic solvent condensate evaporated in side duct 6, can flow directly in condenser bodies 1 along side duct 6, be back to after avoiding the organic solvent condensate evaporated in lower exhaust duct 8 and (be back in solar cell sintered furnace after namely avoiding the organic solvent condensate evaporated), protect solar cell sintered furnace, improve safety coefficient.Simultaneously, the acclivitous angle of side duct 6 is excessive, is unfavorable for the circulate of flue gas in side duct 6, simultaneously, the acclivitous angle of side duct 6 is excessive certainly will cause lower exhaust duct 8 in the vertical direction excessive height, inwall directly along lower exhaust duct 8 after easily causing the organic solvent condensate evaporated flows in solar cell sintered furnace, causes potential safety hazard; Similarly, the acclivitous angle too small of side duct 6, then flow in condenser bodies 1 along side duct 6 after being unfavorable for the organic solvent condensate evaporated; Inventor sums up through great many of experiments and finds, be optimum range when side duct 6 is set to 20 ~ 30 ° with the angle of horizontal plane, side duct 6 same upward-inclination angle can be avoided to spend the large or too small deficiency brought, and in concrete the present embodiment, side duct 6 is 20 ° with the angle of horizontal plane.
In the present embodiment, the surrounding inner wall surrounding of condenser bodies 1 has cooling water pipeline, after the flue gas entered in condenser bodies 1 runs into the cooling water pipeline of condenser bodies 1 surrounding inner wall surrounding, condensation liquefaction occurs and flow to the bottom of condenser bodies 1 inside, all the other flue gases that condensation liquefaction do not occur enter in exhaust duct 7 drains; By being provided with cooling water pipeline at condenser bodies 1 surrounding inner wall surrounding; can the organic solvent of condensation liquefaction be trapped in condenser bodies 1; the organic solvent avoiding condensation liquefaction is back in solar cell sintered furnace; the organic solvent avoiding condensation liquefaction is bonded on various exhaust duct inwall (such as goes up the inwall of exhaust duct 7); reduce the frequency of clean various exhaust duct; and the organic solvent in flue gas is retained down, and protects environment.
In order to the regular organic solvent recycling that condenser bodies 1 inner bottom is accumulated, in concrete the present embodiment, the bottom surface of condenser bodies 1 is provided with bottom opening 5, bottom opening 5 is positioned at the lowest part of condenser bodies 1 bottom surface, so that the organic solvent of condensation confluxes to herein, bottom opening 5 place is provided with the outer cover removably connected, outer cover is used for shutoff bottom opening 5, when needing to reclaim the organic solvent of condenser bodies 1 inner bottom accumulation, only outer cover need be opened, by pending for the organic solvent centralized collection of condensation.The condenser that the present embodiment provides greatly can facilitate and carry out centralized collection process to the organic solvent of condensation liquefaction.
In order to ensure the result of use of cooling water pipeline, in concrete the present embodiment, cooling water pipeline comprises lower cooling water pipeline 2 and upper cooling water pipeline 3, lower cooling water pipeline 2 and upper cooling water pipeline 3 are looped around on the surrounding inwall of condenser bodies 1 from the bottom to top successively, and the water inlet pipe of lower cooling water pipeline 2 is in parallel with the water inlet pipe of upper cooling water pipeline 3, cooling water pipeline 2 and upper cooling water pipeline 3 under the surrounding inwall of condenser bodies 1 is arranged, the cooling effect of condenser bodies 1 pair of flue gas is strengthened greatly, wherein, lower cooling water pipeline 2 elder generation and smoke contacts, main cooling effect is played to flue gas, after upper cooling water pipeline 3 and smoke contacts, flue gas is cooled further and (now goes up the wall surface temperature of wall surface temperature lower than lower cooling water pipeline 2 of cooling water pipeline 3, the cooling effect of upper cooling water pipeline 3 pairs of flue gases is better), lower cooling water pipeline 2 and upper cooling water pipeline 3 with the use of ensureing abundant condensation liquefactions of material such as the organic solvents in flue gas, and the water inlet pipe of lower cooling water pipeline 2 is in parallel with the water inlet pipe of upper cooling water pipeline 3, the recirculated cooling water circulated in lower cooling water pipeline 2 and in upper cooling water pipeline 3 independently, is conducive to the reliability improving cooling water pipeline.
In the present embodiment, condenser bodies 1 inside is provided with filter screen 4 along cross section, and filter screen 4 is positioned at the top of cooling water pipeline, and filter screen 4 is for tackling the large granular impurity in flue gas further after the materials such as the organic solvent in removing flue gas.In concrete the present embodiment, filter screen 4 is dismountable is arranged at condenser bodies 1 inside, and the material of filter screen 4 is stainless steel; Filter screen 4 is dismountable is arranged at condenser bodies 1 inside, and being convenient to when regularly cleaning, taking off clean easily by filter screen 4, and filter screen 4 adopts the stainless steel of not easily corrosion to make, service life is longer.
Embodiment 2
The silicon solar cell sintering condenser of the present embodiment, its basic structure is identical with embodiment 1, and its difference is:
In the present embodiment, side duct 6 is 30 ° with the angle of horizontal plane; Side duct 6 inwall is bonded in order to prevent the organic solvent evaporated, flow in condenser bodies 1 along side duct 6 smoothly after ensureing the material condensation such as the organic solvent evaporated, side duct 6 inwall scribbles non-sticking lining, the non-sticking lining used in the present embodiment, it is the non-viscous paint spraying existed on the market, the i.e. double-deck fluoro coatings of Dajin Fluorine Coating (Shanghai) Co., Ltd. (http://www.daikincoating.com) water-based of producing, specific product model is bed material: EK-1909S-601L, fabric: EK-3709M-650L.Need benly be, the non-sticking lining used in the present embodiment belongs to non-infiltration non-sticking lining, there is efficient corrosion resistance and antifouling not viscosity, for low-temperature dew point corrosion and the bonding of side duct 6 inwall, stifled grey problem, inventor is through great many of experiments, non-sticking lining in creationary discovery use the present embodiment can to low-temperature dew point corrosion and bonding, clogging phenomenon plays significant inhibitory action, namely this non-sticking lining effectively can suppress the acid dew piont corrosion in flue gas, and the particle such as dust in flue gas is difficult to bonding is attached to coating surface, this coating is made not easily to bond or be corroded.Inventor finds through experiment, and the high temperature resistant property of this non-sticking lining is excellent, and not easily by high temperature, service life is longer, and with low cost, easy commercial application.
In the present embodiment, in order to strengthen the effect that flue gas is discharged from lower exhaust duct 8, upper exhaust duct 7 and the linkage section of condenser bodies 1 end face are designed to up-small and down-big funnel-form (design like this be convenient to flue gas aspirated by negative-pressure air fan), upper exhaust duct 7 is connected with negative-pressure air fan away from one end of condenser bodies 1 end face, negative-pressure air fan sets up negative pressure at the outlet of upper exhaust duct 7, forces the sucking-off after condenser bodies 1 of the flue gas in solar cell sintered furnace.
Embodiment 3
The silicon solar cell sintering condenser of the present embodiment, its basic structure is identical with embodiment 1, and its difference is:
In the present embodiment, the material of filter screen 4 be not easily corrosion, service life longer aluminium.
In order to prevent smoke spillage and the adverse effect caused of locally dispelling the heat, in the present embodiment, insulation adhesive tape is all wound with the junction of condenser bodies 1 side at the junction of upper exhaust duct 7 and condenser bodies 1 end face, side duct 6, this insulation adhesive tape is polyurethane heat-insulation adhesive tape, play function of heat insulation, can prevent flue gas from leaking in junction simultaneously.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (7)
1. a silicon solar cell sintering condenser, comprise condenser bodies (1), it is characterized in that: also comprise cooling water pipeline, filter screen (4), side duct (6), upper exhaust duct (7) and lower exhaust duct (8);
The surrounding inner wall surrounding of described condenser bodies (1) has cooling water pipeline, and condenser bodies (1) inside is provided with filter screen (4) along cross section, and described filter screen (4) is positioned at the top of cooling water pipeline; The side bottom of described condenser bodies (1) is connected with the side duct (6) tilted upward, and described side duct (6) is connected with lower exhaust duct (8) away from one end of condenser bodies (1) side; The end face of described condenser bodies (1) is connected with exhaust duct (7).
2. silicon solar cell sintering condenser according to claim 1, is characterized in that: described side duct (6) is 20 ~ 30 ° with the angle of horizontal plane.
3. silicon solar cell sintering condenser according to claim 1, it is characterized in that: described cooling water pipeline comprises lower cooling water pipeline (2) and upper cooling water pipeline (3), lower cooling water pipeline (2) and upper cooling water pipeline (3) are looped around on the surrounding inwall of condenser bodies (1) from the bottom to top successively, and the water inlet pipe of lower cooling water pipeline (2) is in parallel with the water inlet pipe of upper cooling water pipeline (3).
4. silicon solar cell sintering condenser according to claim 1, it is characterized in that: the bottom surface of described condenser bodies (1) is provided with bottom opening (5), and described bottom opening (5) place is provided with the outer cover removably connected.
5. silicon solar cell sintering condenser according to claim 1, it is characterized in that: described upper exhaust duct (7) is up-small and down-big funnel-form with the linkage section of condenser bodies (1) end face, and described upper exhaust duct (7) is connected with negative-pressure air fan away from one end of condenser bodies (1) end face.
6. silicon solar cell sintering condenser according to claim 1, is characterized in that: junction, the described side duct (6) of described upper exhaust duct (7) and condenser bodies (1) end face are all wound with insulation adhesive tape with the junction of condenser bodies (1) side.
7. silicon solar cell sintering condenser according to claim 1 and 2, is characterized in that: described filter screen (4) is dismountable is arranged at condenser bodies (1) inside, and the material of filter screen (4) is stainless steel or aluminium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520858244.3U CN205079634U (en) | 2015-10-28 | 2015-10-28 | Silicon solar cell is condenser for sintering |
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| CN201520858244.3U CN205079634U (en) | 2015-10-28 | 2015-10-28 | Silicon solar cell is condenser for sintering |
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| CN205079634U true CN205079634U (en) | 2016-03-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556422A (en) * | 2018-12-03 | 2019-04-02 | 江苏中宇光伏科技有限公司 | A kind of solar battery sintering condenser and its condensation method |
| CN111998678A (en) * | 2020-07-24 | 2020-11-27 | 苏州金章电子科技有限公司 | Heating and cooling device for photovoltaic equipment sintering furnace |
-
2015
- 2015-10-28 CN CN201520858244.3U patent/CN205079634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556422A (en) * | 2018-12-03 | 2019-04-02 | 江苏中宇光伏科技有限公司 | A kind of solar battery sintering condenser and its condensation method |
| CN111998678A (en) * | 2020-07-24 | 2020-11-27 | 苏州金章电子科技有限公司 | Heating and cooling device for photovoltaic equipment sintering furnace |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 243000, Anhui, Ma'anshan Ma'anshan industrial transfer Demonstration Industry Park, Taicang Road, No. 1033 Patentee after: ANHUI YINXIN NEW ENERGY TECHNOLOGY CO., LTD. Address before: 243000, Anhui, Ma'anshan Ma'anshan industrial transfer Demonstration Industry Park, Taicang Road, No. 1033 Patentee before: ANHUI YINYANG PHOTOVOLTAIC TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20181028 |