CN116589172A - Toughening device and toughening method for ultrathin photovoltaic glass - Google Patents
Toughening device and toughening method for ultrathin photovoltaic glass Download PDFInfo
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- CN116589172A CN116589172A CN202310519338.7A CN202310519338A CN116589172A CN 116589172 A CN116589172 A CN 116589172A CN 202310519338 A CN202310519338 A CN 202310519338A CN 116589172 A CN116589172 A CN 116589172A
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- photovoltaic glass
- tempering
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- 239000011521 glass Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 38
- 230000000171 quenching effect Effects 0.000 claims abstract description 36
- 238000005496 tempering Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000007664 blowing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The application relates to a toughening device and a toughening method for ultrathin photovoltaic glass, and belongs to the technical field of photovoltaic glass production. The toughening device of the ultrathin photovoltaic glass comprises a toughening furnace, a quenching mechanism, a cooling frame body, a driving roller, an upper air grid and a lower air grid; a plurality of driving rollers are arranged on one side of the tempering furnace at intervals through a cooling frame body; an upper air grid is arranged on the cooling frame body above the driving roller; a lower air grid is arranged on the cooling frame body below the driving roller; quenching mechanisms are arranged between the upper air grid and the tempering furnace and between the lower air grid and the tempering furnace. The toughening device for the ultrathin photovoltaic glass is compact in structure and ingenious in design, and on the basis of the existing structure, a quenching mechanism is added, so that the problem that the existing photovoltaic glass production mode is difficult to produce the ultrathin photovoltaic glass is solved, and the toughening device is particularly suitable for the production and use requirements of the ultrathin photovoltaic glass.
Description
Technical Field
The application relates to a toughening device and a toughening method for ultrathin photovoltaic glass, and belongs to the technical field of photovoltaic glass production.
Background
Photovoltaic glass is a special glass capable of generating electricity by solar radiation and provided with a relevant current lead-out device and a cable. The existing production mode of photovoltaic glass, such as the production process of dustproof light-increasing photovoltaic glass disclosed in the patent application publication No. CN110922054A, can meet the production and use requirements of photovoltaic glass to a certain extent, but can only produce photovoltaic glass with the thickness of more than 2mm, and cannot produce ultrathin photovoltaic glass (1.6 mm-2 mm).
The existing photovoltaic glass production mode can not produce ultrathin photovoltaic glass (1.6 mm-2 mm) mainly because: when the ultra-thin photovoltaic glass is tempered by the existing tempering method, namely, the glass is heated to 615-625 ℃ in the temperature of 680-730 ℃ of a tempering furnace, and then enters a tempering cooling device for tempering and quenching, the existing cooling wind pressure is used for tempering and quenching the heated ultra-thin photovoltaic glass by using the pressure of 10-14KPa and the area of an air outlet hole of about 22610 square millimeters per square meter, and the problems of overlarge deformation of the glass, disqualification of head buckling, low surface stress value of the glass and low impact strength are caused by overlarge flow in the blowing and quenching process.
Therefore, a new toughening device and a toughening method for the ultrathin photovoltaic glass are necessary to be developed so as to solve the problem that the existing photovoltaic glass production mode is difficult to produce the ultrathin photovoltaic glass.
Disclosure of Invention
The application aims at: the device and the method for toughening the ultra-thin photovoltaic glass are provided, so that the problem that the ultra-thin photovoltaic glass is difficult to produce due to the existing production mode of the photovoltaic glass is solved.
The technical scheme of the application is as follows:
a toughening device of ultra-thin photovoltaic glass comprises a toughening furnace, a quenching mechanism, a cooling frame body, a driving roller, an upper air grid and a lower air grid; a plurality of driving rollers are arranged on one side of the tempering furnace at intervals through a cooling frame body; an upper air grid is arranged on the cooling frame body above the driving roller; a lower air grid is arranged on the cooling frame body below the driving roller; the method is characterized in that: quenching mechanisms are arranged between the upper air grid and the tempering furnace and between the lower air grid and the tempering furnace.
The upper air grid and the lower air grid comprise a plurality of air knives which are arranged at intervals; one end of the air knife is communicated with an external air supply device; the air knife has a structure with a large air inlet end space and a small air outlet end space; the lower ends of the air knives are positioned on the same horizontal plane; the lower end of the air knife is in an arc-shaped structure; the center of the lower end of the air knife is provided with a plurality of main air supply holes at intervals; two groups of side air supply holes are symmetrically arranged on two sides of the main air supply hole.
The quenching mechanism comprises an air supply barrel; the air supply barrel is of a rectangular structure; the two end heads of the air supply cylinder are connected with an air inlet branch pipe; the air inlet branch pipe is connected with the air inlet main pipe; the lower end of the air supply barrel is in a horizontal structure; the lower end of the air supply cylinder is provided with a plurality of groups of air outlet holes in parallel.
The aperture of the air outlet hole is 1mm, and the inclination of the air outlet hole is 15-33 degrees.
The application has the advantages that:
the toughening device for the ultrathin photovoltaic glass is compact in structure and ingenious in design, and on the basis of the existing structure, a quenching mechanism is added, so that the problem that the existing photovoltaic glass production mode is difficult to produce the ultrathin photovoltaic glass is solved, and the toughening device is particularly suitable for the production and use requirements of the ultrathin photovoltaic glass.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;
FIG. 3 is a schematic view of the structure in the direction B-B in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at C;
FIG. 5 is a schematic view of the deformation structure in the direction A-A in FIG. 1;
FIG. 6 is a schematic view of the structure in the direction D-D in FIG. 5;
fig. 7 is an enlarged schematic view of the structure at E in fig. 6.
In the figure: 1. a tempering furnace; 2. cooling the frame body; 3. a driving roller; 4. an upper air grid; 5. a lower air grid; 6. a quenching mechanism; 7. an air knife; 8. a main air supply hole; 9. a side air supply hole; 10. an air supply tube; 11. an air inlet branch pipe; 12. and an air outlet hole.
Detailed Description
The toughening device of the ultrathin photovoltaic glass comprises a toughening furnace 1, a quenching mechanism 6, a cooling frame body 2, a driving roller 3, an upper air grid 4 and a lower air grid 5 (see the attached figure 1 of the specification).
A plurality of driving rollers 3 (see figure 1 of the specification) are arranged on one side of the tempering furnace 1 at intervals through a cooling frame body 2; when the glass-making machine works, the rotating driving roller 3 can drive the glass to move between the upper air grid 4 and the lower air grid 5 according to the set speed.
An upper air grid 4 is arranged on the cooling frame body 2 above the driving roller 3; the cooling frame body 2 below the driving roller 3 is provided with a lower air grid 5 (see figure 1 of the specification). The upper air grid 4 and the lower air grid 5 comprise a plurality of air knives 7 (see fig. 3 of the specification) which are arranged at intervals. One end of the air knife 7 is communicated with an external air supply device; the air knife 7 has a structure with a large air inlet end space and a small air outlet end space; the lower ends of the air knives 7 are positioned on the same horizontal plane; the lower end of the air knife 7 is in an arc-shaped structure; the center of the lower end of the air knife 7 is provided with a plurality of main air supply holes 8 at intervals; two groups of side air supply holes 9 are symmetrically arranged on two sides of the main air supply hole 8 (see fig. 4 in the specification). The external air supply device used in the application is a centrifugal high-pressure fan.
Quenching mechanisms 6 (see figure 1 of the specification) are arranged between the upper air grid 4 and the tempering furnace 1 and between the lower air grid 5 and the tempering furnace 1. The quenching mechanism 6 comprises an air supply barrel 10; the air supply barrel 10 is of a rectangular structure; the two end heads of the air supply cylinder 10 are connected with an air inlet branch pipe 11; the air inlet branch pipe 11 is connected with an air inlet main pipe; the lower end of the air supply tube 10 is in a horizontal structure; a plurality of groups of air outlet holes 12 are arranged at the lower end of the air supply barrel 10 in parallel. The aperture of the air outlet 12 is 1mm, and the inclination of the air outlet 12 is 15-33 degrees.
The purpose of the quenching mechanism 6 is to: so that when in operation, the quenching mechanism 6 applies strong wind pressure to accelerate the cooling rate before the glass enters between the upper wind grating 4 and the lower wind grating 5, and the requirement of tempering is met under the condition of not increasing excess flow.
The toughening method of the ultra-thin photovoltaic glass comprises the following steps:
1. glass pretreatment
Processing the glass into a size meeting the specification requirement in a conventional grinding mode by using an existing grinding device; in the process, the length-width dimension error of the glass is controlled within the range of +/-2 mm; then, the glass is cleaned, coated and dried by using the existing cleaning equipment, and then the glass is detected, and the glass with no point defects, linear defects, bright spots, chamfer edges, scratches, explosion angles, bubble stones and no cracks on the surface can enter the next working procedure;
2. tempering treatment
Conveying the pretreated glass into a tempering furnace 1 in a roll-to-conveying mode, and operating a heating furnace body in a conventional mode to enable the glass to be heated for 90-100s from low temperature to high temperature of 550-730 ℃ in the heating furnace body; after the heating is finished, the tempering furnace 1 conveys the glass to the position between the quenching mechanisms 6 at the speed of 730-800mm/s, so that the quenching mechanisms 6 quench the glass at the wind pressure of 0.1-0.2MPa, and the transmission roller way 3 receives the high-temperature glass at the speed of 730-800 mm/s; when the high-temperature glass enters between the upper air grid 4 and the lower air grid 5, the upper air grid 4 and the lower air grid 5 cool the glass to 50-75 ℃ according to the cooling mode of the high-pressure quenching section, the medium-pressure quenching section and the low-pressure quenching section, and the tempering process of the glass is completed so as to form the ultra-thin photovoltaic glass.
The wind pressure of the upper wind grid 4 and the lower wind grid 5 of the high-pressure quenching section is 11.5-13.5 kilopascals; the moving speed of the glass is 730-800mm/s.
The wind pressure of the upper wind grid 4 and the lower wind grid 5 of the medium-pressure quenching section is 5-8 kilopascals; the moving speed of the glass is 730-800mm/s.
The wind pressure of the upper wind grid 4 and the lower wind grid 5 of the low-pressure quenching section is 1.5-2.5 kilopascals; the moving speed of the glass is 500-700mm/s.
In order to verify the feasibility of the application, the applicant adopts the method of the application to detect the impact strength, the surface stress value, the glass bow and the head warpage of the produced ultrathin photovoltaic glass, and the detection results are as follows:
impact strength, surface stress value, glass bowing and head warpage
The toughening device for the ultrathin photovoltaic glass is compact in structure and ingenious in design, and on the basis of the existing structure, a quenching mechanism is added, so that the problem that the existing photovoltaic glass production mode is difficult to produce the ultrathin photovoltaic glass is solved, and the toughening device is particularly suitable for the production and use requirements of the ultrathin photovoltaic glass.
Claims (8)
1. The toughening device for the ultrathin photovoltaic glass comprises a toughening furnace (1), a quenching mechanism (6), a cooling frame body (2), a driving roller (3), an upper air grid (4) and a lower air grid (5); one side of the tempering furnace (1) is provided with a plurality of driving rollers (3) at intervals through a cooling frame body (2); an upper air grid (4) is arranged on the cooling frame body (2) above the driving roller (3); a lower air grid (5) is arranged on the cooling frame body (2) below the driving roller (3); the method is characterized in that: quenching mechanisms (6) are arranged between the upper air grid (4) and the tempering furnace (1) and between the lower air grid (5) and the tempering furnace (1).
2. The ultra-thin photovoltaic glass tempering device of claim 1, wherein: the upper air grid (4) and the lower air grid (5) comprise a plurality of air knives (7) which are arranged at intervals; one end of the air knife (7) is communicated with an external air supply device; the air knife (7) has a structure with a large air inlet end space and a small air outlet end space; the lower ends of the air knives (7) are positioned on the same horizontal plane; the lower end of the air knife (7) is in an arc-shaped structure; a plurality of main air supply holes (8) are formed in the center of the lower end of the air knife (7) at intervals; two groups of side air supply holes (9) are symmetrically arranged on two sides of the main air supply hole (8).
3. The ultra-thin photovoltaic glass tempering device of claim 2, wherein: the quenching mechanism (6) comprises an air supply cylinder (10); the air supply barrel (10) is of a rectangular structure; the two end heads of the air supply tube (10) are connected with an air inlet branch tube (11); the air inlet branch pipe (11) is connected with the air inlet main pipe; the lower end of the air supply barrel (10) is in a horizontal structure; a plurality of groups of air outlet holes (12) are arranged at the lower end of the air supply barrel (10) in parallel.
4. A device for tempering ultra-thin photovoltaic glass according to claim 3, wherein: the aperture of the air outlet hole (12) is 1mm, and the inclination of the air outlet hole (12) is 15-33 degrees.
5. A device for tempering ultra-thin photovoltaic glass according to claim 3, wherein: the toughening method of the ultrathin photovoltaic glass comprises the following steps:
1) Pretreatment of glass
Processing the glass into a size meeting the specification requirement in a conventional grinding mode by using an existing grinding device; in the process, the length-width dimension error of the glass is controlled within the range of +/-2 mm; then, the glass is cleaned, coated and dried by using the existing cleaning equipment, and then the glass is detected, and the glass with no point defects, linear defects, bright spots, chamfer edges, scratches, explosion angles, bubble stones and no cracks on the surface can enter the next working procedure;
2) Tempering treatment
Conveying the pretreated glass into a tempering furnace (1) in a roll-to-conveying mode, and operating a heating furnace body in a conventional mode to enable the glass to be heated at a high temperature of 550-730 ℃ for 90-100s from low to high in the heating furnace body; after the heating is finished, the tempering furnace (1) conveys the glass to a position between the quenching mechanisms (6) at a speed of 730-800mm/s, so that the quenching mechanisms (6) quench the glass at a wind pressure of 0.1-0.2MPa, and at the moment, the transmission roller way (3) receives the high-temperature glass at a speed of 730-800 mm/s; when the high-temperature glass enters between the upper air grid (4) and the lower air grid (5), the upper air grid (4) and the lower air grid (5) cool the glass to 50-75 ℃ according to the cooling modes of the high-pressure quenching section, the medium-pressure quenching section and the low-pressure quenching section, and the tempering process of the glass is completed to form the ultra-thin photovoltaic glass.
6. The ultra-thin photovoltaic glass tempering device of claim 5, wherein: the wind pressure of the upper air grid (4) and the lower air grid (5) of the high-pressure quenching section is 11.5-13.5 kilopascals; the moving speed of the glass is 730-800mm/s.
7. The ultra-thin photovoltaic glass tempering device of claim 5, wherein: the wind pressure of the upper air grid (4) and the lower air grid (5) of the medium-pressure quenching section is 5-8 kilopascals; the moving speed of the glass is 730-800mm/s.
8. The ultra-thin photovoltaic glass tempering device of claim 5, wherein: the wind pressure of the upper air grid (4) and the lower air grid (5) of the low-pressure quenching section is 1.5-2.5 kilopascals; the moving speed of the glass is 500-700mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310519338.7A CN116589172A (en) | 2023-05-10 | 2023-05-10 | Toughening device and toughening method for ultrathin photovoltaic glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310519338.7A CN116589172A (en) | 2023-05-10 | 2023-05-10 | Toughening device and toughening method for ultrathin photovoltaic glass |
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| CN116589172A true CN116589172A (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310519338.7A Pending CN116589172A (en) | 2023-05-10 | 2023-05-10 | Toughening device and toughening method for ultrathin photovoltaic glass |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN205473362U (en) * | 2015-09-30 | 2016-08-17 | 浙江汉能玻璃技术有限公司 | To cool down cooling structure of tempering of high temperature glass |
| CN207002576U (en) * | 2017-07-26 | 2018-02-13 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass tempering cooling system |
| CN110981174A (en) * | 2019-12-12 | 2020-04-10 | 中国建材桐城新能源材料有限公司 | Production device and production method of 2mm physical full-tempered PID (proportion integration differentiation) resistant glass |
| CN111453981A (en) * | 2019-01-21 | 2020-07-28 | 中国建材国际工程集团有限公司 | Method and device for tempering thin glass |
| CN113716852A (en) * | 2021-09-23 | 2021-11-30 | 湖北亿钧耀能新材股份公司 | Production method of weak stress spot tempered glass |
| CN114031277A (en) * | 2021-11-12 | 2022-02-11 | 常州亚玛顿股份有限公司 | Physical full-tempering method for ultrathin glass |
| CN219824012U (en) * | 2023-05-10 | 2023-10-13 | 荆州能耀新材有限公司 | Tempering device for photovoltaic glass |
-
2023
- 2023-05-10 CN CN202310519338.7A patent/CN116589172A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843988A (en) * | 2006-04-07 | 2006-10-11 | 无锡市新惠玻璃制品有限责任公司 | Process for preparing physical toughened thin glass |
| CN205473362U (en) * | 2015-09-30 | 2016-08-17 | 浙江汉能玻璃技术有限公司 | To cool down cooling structure of tempering of high temperature glass |
| CN207002576U (en) * | 2017-07-26 | 2018-02-13 | 洛阳兰迪玻璃机器股份有限公司 | A kind of glass tempering cooling system |
| CN111453981A (en) * | 2019-01-21 | 2020-07-28 | 中国建材国际工程集团有限公司 | Method and device for tempering thin glass |
| CN110981174A (en) * | 2019-12-12 | 2020-04-10 | 中国建材桐城新能源材料有限公司 | Production device and production method of 2mm physical full-tempered PID (proportion integration differentiation) resistant glass |
| CN113716852A (en) * | 2021-09-23 | 2021-11-30 | 湖北亿钧耀能新材股份公司 | Production method of weak stress spot tempered glass |
| CN114031277A (en) * | 2021-11-12 | 2022-02-11 | 常州亚玛顿股份有限公司 | Physical full-tempering method for ultrathin glass |
| CN219824012U (en) * | 2023-05-10 | 2023-10-13 | 荆州能耀新材有限公司 | Tempering device for photovoltaic glass |
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Effective date of registration: 20231109 Address after: 434000 No. 52 Dongfang Avenue, Jingzhou City, Hubei Province Applicant after: HUBEI YIJUN YAONENG XINCAI Co.,Ltd. Address before: No. 49, Shenzhen Avenue, Jingzhou Development Zone, Jingzhou City, Hubei Province, 434000 (self declaration) Applicant before: Jingzhou Nengyao New Material Co.,Ltd. |
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