CN102628189A - Quartz furnace door for producing solar battery cells and process thereof - Google Patents
Quartz furnace door for producing solar battery cells and process thereof Download PDFInfo
- Publication number
- CN102628189A CN102628189A CN2012101172010A CN201210117201A CN102628189A CN 102628189 A CN102628189 A CN 102628189A CN 2012101172010 A CN2012101172010 A CN 2012101172010A CN 201210117201 A CN201210117201 A CN 201210117201A CN 102628189 A CN102628189 A CN 102628189A
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- Prior art keywords
- lower bottom
- fire door
- solar battery
- bottom cover
- furnace door
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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 invention particularly relates to a quartz furnace door for producing solar battery cells and a process thereof. The furnace door comprises hollow tubes on the surface of an upper bottom cover, the upper bottom cover, a lower bottom cover between which and the upper bottom cover an accommodation space is formed, an asbestos plate filled in the accommodation space, and a welding charging place formed by butt joint of the upper bottom cover and the lower bottom cover. The process thereof comprises the key steps of charging and sintering of the whole furnace door by two high-temperature guns and subsequent annealing treatment, etc. The quartz furnace door and the process thereof eliminate inner stress produced in the furnace door processing process effectively, ensure that the furnace door does not be cracked or discarded in short time during processing or using, and increase production yield of the furnace door.
Description
Technical field
The present invention relates to equipment of industrial product field, specifically relate to a kind of quartzy fire door and technology thereof that solar battery sheet is produced that is used for.
Background technology
In solar battery sheet was produced, the PN junction characteristic of solar battery sheet generally was to accomplish through following process: some trace elements that at first on P type silicon substrate, mix form one deck N type thin layer through the High temperature diffusion mode then like phosphorus, boron etc.In the prior art; This process is accomplished in the diffusion furnace of producing solar battery sheet; Need reach 900 ℃ temperature even higher in its stove, this just requires internals (comprising its fire door) resistance to elevated temperatures of diffusion furnace good, should not burst distortion, long service life.And in the production process of existing diffusion furnace fire door, fire door such as is heat-treated at technology make it produce internal stress easily, the intensity that makes fire door can not be kept original shape and cause and burst in the short period of time or scrap.
Therefore, design a kind of quartzy fire door that solar battery sheet is produced that is used for to above-mentioned situation, its technological process can effectively be eliminated the internal stress that produces in the fire door course of processing through improving, just the problem that faces of contriver.
Summary of the invention
The purpose of this invention is to provide a kind of quartzy fire door and technology thereof that solar battery sheet is produced that is used for, can effectively eliminate the internal stress in the fire door course of processing, lower product rejection rate, guarantee that it is in process for processing and Quality Problems in Application.
The technical scheme that the present invention adopted is: a kind of quartzy fire door that is used for solar battery sheet production; Comprise the open tube that is positioned at the upper base cap surface; Last bottom; And the said lower bottom cover that forms accommodation space between the bottom of going up, the asbestos plate and the upper and lower bottom that are filled in the accommodation space dock the reinforced place of formed weld seam.
Further, said upper and lower bottom surface is the identical circle of diameter, and upper and lower bottom connects through the reinforced place of weld seam.
Further, said open tube is two, is positioned at the central position of upper base cap surface side by side.
A kind of technology that quartzy fire door adopted that is used for solar battery sheet production of the present invention comprises:
(1) upper and lower bottom moulding: adopt quartzy former mend mill into round; Carry out grooving technology through the vertical numerical control machining center then; Afterwards respectively to mill through mending, the upper and lower bottom of grooving moulding carries out the work in-process polishing, removes its surface spots or oxidation impurities.
(2) two open tubes are fixed in upper base cap surface central position through sintering process.
(3) lower bottom cover is placed on the operator's console, and the grooving that asbestos plate is put into lower bottom cover, put bottom, asbestos plate places in the accommodation space that forms between the upper and lower bottom just, then upper and lower bottom is carried out sintering processes.
(4) whole fire door sintering and annealing: for dosing material, the weld seam that under the effect of a high temperature rifle, forms in upper and lower bottom butt joint moves the material scorification with a quartz fiber, and another high temperature rifle assisted sintering carries out anneal immediately after the completion to be sintered.
The invention has the beneficial effects as follows: feed in raw material sintering process and subsequent annealing of whole fire door handled through two high temperature rifles; Effectively eliminate the internal stress that produces in the fire door course of processing; Guarantee that fire door is unlikely to burst in the short period of time or scrap, and improves the yield rate that fire door is produced in processing and use.
Description of drawings
Fig. 1 is a kind of quartzy door structure synoptic diagram that is used for solar battery sheet production of the present invention.
Fig. 2 is that sectional view is looked on an a kind of quartzy fire door left side that is used for solar battery sheet production of the present invention.
Description of reference numerals: 1-open tube; The last bottom of 2-; The reinforced place of 3-weld seam; The 4-lower bottom cover; The 5-accommodation space; The 6-asbestos plate.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values drop on application appended claims institute restricted portion equally.
As illustrated in fig. 1 and 2; A kind of quartzy fire door that is used for solar battery sheet production; Comprise the open tube 1 that is positioned at the upper base cap surface; Last bottom 2, and form the lower bottom cover 4 of accommodation space 5 between the last bottom 2, be filled in the asbestos plate 6 in the accommodation space 5 and go up bottom 2, the reinforced place 3 of the formed weld seam of lower bottom cover 4 butt joints.
In above-mentioned specific embodiment, last bottom 2, lower bottom cover 4 surfaces are the identical circle of diameter, and last bottom 2, lower bottom cover 4 connect through the reinforced place 3 of weld seam; Open tube 1 is two, is positioned at the central position on bottom 2 surfaces side by side.
A kind of technology that quartzy fire door adopted that is used for solar battery sheet production of the present invention comprises:
(1) upper and lower bottom moulding: adopt diameter be quartzy former of 335mm mend mill into round; Carry out grooving technology through the vertical numerical control machining center then; Afterwards respectively to mill through mending, the upper and lower bottom of grooving moulding carries out the work in-process polishing, removes its surface spots or oxidation impurities.
(2) open tube 1 that two internal diameters, external diameters is respectively 12mm, 20mm is fixed in bottom 2 centre of surface positions through sintering process.
(3) lower bottom cover 4 is placed on the operator's console, and the grooving that asbestos plate 6 is put into lower bottom cover 4, put bottom 2, asbestos plate places in the accommodation space 5 that forms between the upper and lower bottom just, then upper and lower bottom is carried out sintering processes.
(4) whole fire door sintering and annealing: for dosing material, the weld seam that under the effect of a high temperature rifle, forms in upper and lower bottom butt joint moves the material scorification with a quartz fiber, and another high temperature rifle assisted sintering carries out anneal immediately after the completion to be sintered.
A kind of quartzy fire door and technology thereof that is used for solar battery sheet production of the present invention; Through two high temperature rifles feed in raw material sintering process and subsequent annealing of whole fire door handled this critical process process; Effectively eliminate the internal stress that produces in the fire door course of processing; Guarantee that fire door is unlikely to burst in the short period of time or scrap in processing and use, improve its life-span, and improve the yield rate that fire door is produced.
To above-mentioned detailed embodiment explanation; Purpose is to make this area professional and technical personnel can realize and use content of the present invention; Can not limit protection scope of the present invention with this, all equivalences of doing according to spirit of the present invention change, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. one kind is used for the quartzy fire door that solar battery sheet is produced; Comprise the open tube that is positioned at the upper base cap surface; Last bottom, and the said lower bottom cover that forms accommodation space between the bottom of going up, the asbestos plate and the upper and lower bottom that are filled in the accommodation space dock the reinforced place of formed weld seam.It is characterized in that: said upper and lower bottom surface is the identical circle of diameter, and upper and lower bottom connects through the reinforced place of weld seam.
2. a kind of quartzy fire door that solar battery sheet is produced that is used for according to claim 1, it is characterized in that: said open tube is two, is positioned at the central position of upper base cap surface side by side.
3. a quartzy fire door technology that is used for solar battery sheet production comprises: (1) upper and lower bottom moulding; (2) open tube is fixed in upper base cap surface central position through sintering process; (3) lower bottom cover is placed on the operator's console, and the grooving that asbestos plate is put into lower bottom cover, put bottom, asbestos plate places in the accommodation space that forms between the upper and lower bottom just, then upper and lower bottom is carried out sintering processes; (4) whole fire door sintering and annealing process.
4. a kind of quartzy fire door technology that solar battery sheet is produced that is used for according to claim 3; It is characterized in that: upper and lower bottom moulding process at first adopt quartzy former mend mill into round; Carry out grooving technology through the vertical numerical control machining center then; Afterwards respectively to mill through mending, the upper and lower bottom of grooving moulding carries out the work in-process polishing, removes its surface spots or oxidation impurities.
5. a kind of quartzy fire door technology that solar battery sheet is produced that is used for according to claim 3; It is characterized in that: whole fire door sintering and annealing process are that a quartz fiber is for dosing material; The weld seam that under the effect of a high temperature rifle, forms in upper and lower bottom butt joint moves the material scorification, another high temperature rifle assisted sintering.Carry out anneal after the completion to be sintered immediately.
6. a kind of quartzy fire door technology that solar battery sheet is produced that is used for according to claim 3 is characterized in that: treat that whole fire door carries out carrying out anneal immediately behind the sintering process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101172010A CN102628189A (en) | 2012-04-20 | 2012-04-20 | Quartz furnace door for producing solar battery cells and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101172010A CN102628189A (en) | 2012-04-20 | 2012-04-20 | Quartz furnace door for producing solar battery cells and process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102628189A true CN102628189A (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101172010A Pending CN102628189A (en) | 2012-04-20 | 2012-04-20 | Quartz furnace door for producing solar battery cells and process thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3927697A (en) * | 1968-02-22 | 1975-12-23 | Heraeus Schott Quarzschmelze | Quartz glass elements |
| JPS63257218A (en) * | 1987-03-30 | 1988-10-25 | ノートン カンパニー | Component of diffusion furnace |
| CN201016565Y (en) * | 2007-01-10 | 2008-02-06 | 中国电子科技集团公司第四十八研究所 | High temperature furnace gate automatic closure construction device for preparing PN junction |
| JP2008063157A (en) * | 2006-09-05 | 2008-03-21 | Shinetsu Quartz Prod Co Ltd | Quartz glass member for semiconductor manufacture |
| CN201588007U (en) * | 2010-01-29 | 2010-09-22 | 无锡尚德太阳能电力有限公司 | Sealing device used for sealing quartz tube in diffusion furnace |
| CN102184840A (en) * | 2011-05-11 | 2011-09-14 | 苏州凯西石英电子有限公司 | Method for manufacturing dual-layer quartz cylinder |
| CN102261833A (en) * | 2011-06-24 | 2011-11-30 | 苏州凯西石英电子有限公司 | Furnace door of diffusion furnace for production of solar battery slice |
| CN202954142U (en) * | 2012-04-20 | 2013-05-29 | 吴江市奥鸣石英玻璃仪器厂 | Quartz furnace door used for solar battery piece production |
-
2012
- 2012-04-20 CN CN2012101172010A patent/CN102628189A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3927697A (en) * | 1968-02-22 | 1975-12-23 | Heraeus Schott Quarzschmelze | Quartz glass elements |
| JPS63257218A (en) * | 1987-03-30 | 1988-10-25 | ノートン カンパニー | Component of diffusion furnace |
| JP2008063157A (en) * | 2006-09-05 | 2008-03-21 | Shinetsu Quartz Prod Co Ltd | Quartz glass member for semiconductor manufacture |
| CN201016565Y (en) * | 2007-01-10 | 2008-02-06 | 中国电子科技集团公司第四十八研究所 | High temperature furnace gate automatic closure construction device for preparing PN junction |
| CN201588007U (en) * | 2010-01-29 | 2010-09-22 | 无锡尚德太阳能电力有限公司 | Sealing device used for sealing quartz tube in diffusion furnace |
| CN102184840A (en) * | 2011-05-11 | 2011-09-14 | 苏州凯西石英电子有限公司 | Method for manufacturing dual-layer quartz cylinder |
| CN102261833A (en) * | 2011-06-24 | 2011-11-30 | 苏州凯西石英电子有限公司 | Furnace door of diffusion furnace for production of solar battery slice |
| CN202954142U (en) * | 2012-04-20 | 2013-05-29 | 吴江市奥鸣石英玻璃仪器厂 | Quartz furnace door used for solar battery piece production |
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Application publication date: 20120808 |