CN112414099A - Drying oven for drying solar cell - Google Patents
Drying oven for drying solar cell Download PDFInfo
- Publication number
- CN112414099A CN112414099A CN202010950537.XA CN202010950537A CN112414099A CN 112414099 A CN112414099 A CN 112414099A CN 202010950537 A CN202010950537 A CN 202010950537A CN 112414099 A CN112414099 A CN 112414099A
- Authority
- CN
- China
- Prior art keywords
- drying
- oven
- air nozzle
- battery piece
- pressure relief
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to an oven for drying a solar cell, which comprises an oven, wherein a jet flow air nozzle is arranged at the top of the oven, the lower opening of the jet flow air nozzle is used as an air inlet, a front air outlet and a rear air outlet which are arranged along the length direction of the jet flow air nozzle are arranged on inclined planes at the front side and the rear side of a jet flow air nozzle top panel, the left end and the right end of the jet flow air nozzle are respectively connected with a left side plate and a right side plate, a pressure relief hole is arranged on the jet flow air nozzle top panel, and the pressure relief hole is in a cosine curve shape which. Through the arrangement of the pressure relief hole of the air nozzle top panel, the problem that the qualified rate of the battery piece is influenced by the bending of the battery piece in the drying process of the battery piece is avoided, meanwhile, the structure can enable the hot air circulation to be uniform and the drying effect of the battery piece to be good on one hand, and improves the strength and consistency of the pole piece on the drying aspect, so that the performance of the battery can be greatly improved; on the other hand has reduced the air-out angle, greatly reduced the air-out to the impact at the battery piece, reduced the shake of battery piece in the stoving process.
Description
Technical Field
The invention relates to an oven for drying a solar cell.
Background
With the rapid increase of global energy demand, the energy crisis has become the first problem to be faced by economic development of each country. Because solar energy has the characteristics of cleanness, no pollution, wide distribution, inexhaustibility and the like, the research on solving the energy crisis of solar photovoltaic power generation becomes a key point and a hotspot of the research in the field of renewable energy. Currently, solar cells can be classified into inorganic solar cells and organic solar cells according to the difference in material of an optical active layer constituting the solar cell.
The prior art, when preparing solar wafer, need dry the burnt process of row, solar wafer is after the screen printing process, the silicon chip that has the thick liquids of printing needs to be dried, oven under the prior art is when drying the operation, when pole piece middle part atmospheric pressure and both sides atmospheric pressure differed greatly, the crooked problem of battery piece will inevitably take place for the pole piece, in the battery piece drying process, too big bending will cause the drying of battery piece inhomogeneous, the battery piece thick liquids that is close to the tuyere will receive more mass transfer heat transfer than the battery piece thick liquids of keeping away from the tuyere. Meanwhile, only the middle part of the battery piece is coated with the lithium battery slurry, and the two sides of the battery piece are the left white parts of the current collector, so that the electrode piece is curled due to uneven heating, and finally the battery piece is poor in drying.
Disclosure of Invention
In order to overcome the defects, the invention provides the drying oven for drying the solar cell, which can improve the pressure distribution uniformity between the air nozzle and the pole piece and reduce the reject ratio of the cell piece.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an oven is used in solar cell drying, includes the oven, and the oven top is equipped with the efflux tuyere, and the uncovered conduct air intake in efflux tuyere lower part is equipped with on the inclined plane on both sides around the efflux tuyere top panel along the preceding air outlet that efflux tuyere length direction arranged, back air outlet, and left side board, right side board are connected respectively to the left and right both ends of efflux tuyere, are equipped with the pressure release hole on the efflux tuyere top panel, and the pressure release hole presents the cosine curve shape of axis symmetry along efflux tuyere length direction.
In a preferred embodiment of the invention, a row of pressure relief holes with the diameter of phi 2mm and the circle center distance of 8mm are distributed by taking the central axis as a symmetry axis, the hole center distance of two ends is 542mm, and the upper row and the lower row are provided with pressure relief holes with the diameter of phi 3mm and the circle center distance of 8mm and are distributed by taking the central axis as a symmetry axis.
In a preferred embodiment of the invention, the top panel of the jet blast nozzle is provided with reinforcing ribs distributed along the length direction of the jet blast nozzle.
The invention has the beneficial effects that: by adopting the structure, the pressure relief holes of the tuyere top panel are arranged, so that the battery piece is prevented from being bent to influence the qualification rate of the battery piece in the drying process of the battery piece, meanwhile, the structure can ensure that the hot air is circulated uniformly, the drying effect of the battery piece is good, the strength and consistency of the pole piece are improved in the drying aspect, and the performance of the battery can be greatly improved; on the other hand has reduced the air-out angle, greatly reduced the air-out to the impact at the battery piece, reduced the shake of battery piece in the stoving process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the top panel of the jet nozzle of the present invention;
in the figure: 1. a jet blast nozzle; 2. an air inlet; 3. a jet blast nozzle top panel; 4. a front air outlet; 5. a rear air outlet; 6. a left side plate; 7. a right side plate; 8. a pressure relief vent; 9. and (5) reinforcing ribs.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1 and 2, a drying oven for drying solar cells comprises a drying oven, the top of the drying oven is provided with a jet air nozzle 1, the lower part of the jet air nozzle 1 is open and serves as an air inlet 2, front and rear inclined planes on the front side and the rear side of a jet air nozzle top panel 3 are provided with a front air outlet 4 and a rear air outlet 5 which are arranged along the length direction of the jet air nozzle 1, the left end plate 6 and the right end plate 7 are respectively connected with the left end and the right end of the jet air nozzle 1, a pressure relief hole 8 is formed in the jet air nozzle top panel 3, and the pressure relief hole 8 presents the shape of the cosine curve of the. Through the arrangement of the pressure relief hole of the air nozzle top panel, the problem that the qualified rate of the battery piece is influenced by the bending of the battery piece in the drying process of the battery piece is avoided, meanwhile, the structure can enable the hot air circulation to be uniform and the drying effect of the battery piece to be good on one hand, and improves the strength and consistency of the pole piece on the drying aspect, so that the performance of the battery can be greatly improved; on the other hand has reduced the air-out angle, greatly reduced the air-out to the impact at the battery piece, reduced the shake of battery piece in the stoving process.
In a preferred embodiment of the invention, a row of pressure relief holes 8 with a diameter of phi 2mm and a circle center distance of 8mm are distributed by taking the central axis as a symmetry axis, the hole center distance of two ends is 542mm, and the upper row and the lower row are provided with pressure relief holes 8 with a diameter of phi 3mm and a circle center distance of 8mm, and are distributed by taking the central axis as a symmetry axis. Through will constantly reducing the pressure release hole diameter along the horizontal outside direction of tuyere to further improve the pressure distribution homogeneity between tuyere and the pole piece, promote the stoving effect and the oven-dry mass of battery piece.
In a preferred embodiment of the invention, the top panel 3 of the jet blast nozzle is provided with reinforcing ribs 9 distributed along the length direction of the jet blast nozzle 1, and the reinforcing ribs on the top panel of the jet blast nozzle avoid the defect that a plurality of transverse bars are added in the middle of a long air outlet, greatly reduce the deformation of the air outlet caused by long-time heat accumulation and avoid the difference between the air output at two ends of the air outlet and the air output in the middle.
It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. The utility model provides a solar cell is oven for drying, includes the oven, the oven top is equipped with efflux tuyere, its characterized in that: the jet blast tuyere is characterized in that the lower part of the jet blast tuyere is open and serves as an air inlet, a front air outlet and a rear air outlet which are arranged along the length direction of the jet blast tuyere are arranged on inclined planes on the front side and the rear side of a jet blast tuyere top panel, a left side plate and a right side plate are respectively connected with the left end and the right end of the jet blast tuyere, a pressure relief hole is formed in the jet blast tuyere top panel, and the pressure relief hole presents a cosine curve shape symmetrical to the central axis along the length direction of.
2. The oven for drying a solar cell according to claim 1, wherein: the middle row of the pressure relief holes is distributed by taking the central axis as a symmetry axis, the hole centers of the two ends are 542mm, the upper row and the lower row are provided with the pressure relief holes with the diameter of phi 3mm and the circle center interval of 8mm, and the central axis is distributed by taking the central axis as the symmetry axis.
3. The oven for drying a solar cell according to claim 1, wherein: and reinforcing ribs are distributed on the top panel of the jet flow air nozzle along the length direction of the jet flow air nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950537.XA CN112414099A (en) | 2020-09-11 | 2020-09-11 | Drying oven for drying solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010950537.XA CN112414099A (en) | 2020-09-11 | 2020-09-11 | Drying oven for drying solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112414099A true CN112414099A (en) | 2021-02-26 |
Family
ID=74854241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010950537.XA Pending CN112414099A (en) | 2020-09-11 | 2020-09-11 | Drying oven for drying solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112414099A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH617105A5 (en) * | 1976-04-07 | 1980-05-14 | Agefko Kohlensaeure Ind | Process for coating a face of a workpiece by means of a jet of heated gas and molten material, and an application of the process. |
| CN201837217U (en) * | 2010-10-21 | 2011-05-18 | 深圳市赢合科技有限公司 | Baking oven for pole piece coating equipment and pole piece coating equipment |
| CN203203357U (en) * | 2012-11-19 | 2013-09-18 | 王兆进 | Energy-saving drier with jet system and infrared system |
| CN103464355A (en) * | 2013-09-16 | 2013-12-25 | 珠海市光环自动化科技有限公司 | Drying oven tuyere of lithium cell pole piece coating machine |
| CN204672529U (en) * | 2015-04-28 | 2015-09-30 | 中航锂电（洛阳）有限公司 | A kind of air knife and use baking oven and the coating machine of this air knife |
| CN204817114U (en) * | 2015-08-11 | 2015-12-02 | 东莞市雅康精密机械有限公司 | Coating machine drying oven and tuyere thereof |
-
2020
- 2020-09-11 CN CN202010950537.XA patent/CN112414099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH617105A5 (en) * | 1976-04-07 | 1980-05-14 | Agefko Kohlensaeure Ind | Process for coating a face of a workpiece by means of a jet of heated gas and molten material, and an application of the process. |
| CN201837217U (en) * | 2010-10-21 | 2011-05-18 | 深圳市赢合科技有限公司 | Baking oven for pole piece coating equipment and pole piece coating equipment |
| CN203203357U (en) * | 2012-11-19 | 2013-09-18 | 王兆进 | Energy-saving drier with jet system and infrared system |
| CN103464355A (en) * | 2013-09-16 | 2013-12-25 | 珠海市光环自动化科技有限公司 | Drying oven tuyere of lithium cell pole piece coating machine |
| CN204672529U (en) * | 2015-04-28 | 2015-09-30 | 中航锂电（洛阳）有限公司 | A kind of air knife and use baking oven and the coating machine of this air knife |
| CN204817114U (en) * | 2015-08-11 | 2015-12-02 | 东莞市雅康精密机械有限公司 | Coating machine drying oven and tuyere thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208366021U (en) | A kind of card plug formula silicon chip drying furnace | |
| CN112414099A (en) | Drying oven for drying solar cell | |
| CN107482237B (en) | Fuel cell stack | |
| CN206188931U (en) | Diffusion furnace | |
| CN106711359A (en) | Battery module | |
| CN115986266A (en) | Battery heat management device with strong temperature uniformity keeping capability | |
| CN217387086U (en) | Air inlet structure | |
| WO2022193550A1 (en) | Molten carbonate fuel cell preheating device and method | |
| CN107146822B (en) | Solar cell capable of being connected at will without broken grid | |
| CN202695516U (en) | Flow-equalizing block piece | |
| CN211626004U (en) | Circulating drying device of lithium cell | |
| CN212538627U (en) | Lithium battery drying device | |
| CN213147285U (en) | Film stoving case | |
| CN211376741U (en) | Power lithium battery thermal management box | |
| WO2022011860A1 (en) | Heating device for molten carbonate fuel cell stack and operating method therefor | |
| CN207610519U (en) | Drying oven bellows structure | |
| CN221727076U (en) | Diffusion quartz boat | |
| CN208208938U (en) | The cylindrical electrical core battery cell structure of electrified heating piece | |
| CN207968422U (en) | A kind of solar battery group with heat sinking function | |
| CN208622896U (en) | A kind of soaking plate and lithium ion battery for lithium ion battery | |
| CN207617309U (en) | The upper heating device of silicon chip drying stove | |
| CN214959438U (en) | Self-radiating solar controller | |
| CN209880716U (en) | Heat treatment device for lithium battery diaphragm | |
| CN206460980U (en) | Battery modules | |
| CN101609894A (en) | Lead-acid storage battery ceramic electrode grid and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210226 |