CN103588385A - Method for producing building arc glass from normal off-line tempered low-emissivity glass - Google Patents
Method for producing building arc glass from normal off-line tempered low-emissivity glass Download PDFInfo
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- CN103588385A CN103588385A CN201210305595.2A CN201210305595A CN103588385A CN 103588385 A CN103588385 A CN 103588385A CN 201210305595 A CN201210305595 A CN 201210305595A CN 103588385 A CN103588385 A CN 103588385A
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Abstract
The invention achieves large scale production of building arc glass from normal off-line low-emissivity glass successfully through a method of changing technical parameters of temperature, curving time and leeway between top and bottom of the glass during curving process of normal off-line low-emissivity glass scientifically. The qualified rate of the curved arc glass is above 99%. The method has simple operations. The production is stable. The optical properties of the product can keep unchanged. The method is suitable for large scale production of low-emissivity building arc glass. The production cost and production cycle of building low-emissivity arc glass can be lowered greatly. The method can be widely used for building fields of high-rise hotels, office buildings, commerce buildings and the like.
Description
Technical field
The present invention relates to the curved technology of baking of low emissivity glass, relate in particular to common off-line can tempered and low-radiation glass production the method for building arc glass.
Background technology
Progress along with building level, raising and government that particularly people required living environment in recent years promote the direction of advocating building energy conservation from each aspect, a selection that important step is exactly glass of building energy consumption, reach the standard of building energy conservation 60%, solving glass energy consumption is also the most important thing.Allow not only transparent but also heat-insulation and heat-preservation of glass, be puzzlement expert technician's important topic always.Previously used a kind of heat reflection metal coating glass light transmission extreme difference, and can produce serious reflected light pollution, unacceptable.Nearly more than ten years, the low emissivity glass that gets up of domestic development was also Low-E coated glass, was that glass surface plates the metal of extremely low emissivity or MULTILAYER COMPOSITE special type rete that other metallic compounds form.The coating of low radiation metal coated glass is easy to oxidation, can not deposit too for a long time under natural condition, generally will be processed into double glazing, and this glass can not carry out follow-up tempering or dry curved processing.And metallic compound composite film is more stable, and higher temperature can be born, following process can be carried out.Because low radiation metal coated glass can not carry out the reason of following process, make people produce conservative attitude and prejudice to the following process of all off-line low emissivity glasses, therefore for the following process of metallic compound composite film coating glass only assert can tempering function.In retrieval and the domestic same industry, understand, up to now, the domestic report that also can the mass-producing of tempered and low-radiation glass dry curved arc glass with common off-line.
Off-line low radiation coated glass generally adopts magnetron sputtering technology to produce, and facility investment is huge.According to the different size requirement of building, dry curved after plated film again, round transport and Packing Fee are very high, filming equipment carries out plated film for crooked glass, plant factor is low, expense is higher.Because the prejudice of this technical elements is impelled people to research and develop to have higher note and is covered and flexible composite deposite, for example Chinese patent CN101168476A is by changing putting in order of composite deposite, change the performance of coating, the direction of this exploration and research and development should be sure.
Summary of the invention
The object of the invention is to, overcome traditional technology prejudice, by scientific and reasonable method, change the significant parameter drying in curved process, successfully realized with common off-line and can carry out large-scale production building arc glass by tempered and low-radiation glass.Through repeatedly batch production, conforming product rate all reaches more than 99%.
For achieving the above object, the present invention is according to the glass of different thickness and processing radian in production practice, the technical parameter that science select to dry temperature when curved, dry the curved time and dry the leeway under on glass when curved.Temperature is selected between 560-590 ℃.Dry the curved time and select between 320-500s, the leeway on the blast of glass bottom and glass top is selected between 30-200KPa.By the change of above-mentioned parameter, professional and technical personnel all can successfully produce qualified product on production line in the industry.The inventive method is simple to operate, produces and stablizes, and through check, product optical property remains unchanged, and can significantly reduce production cost and the production cycle of product.Product is in batches for building fields such as high-rise hotel, office building, commerce and trade mansions.
Embodiment
For further setting forth the technological method that the present invention takes, below in conjunction with embodiments of the invention, be described in detail.
The off-line that the present invention adopts Chengdu Nanbo Glass Co., Ltd. to produce can tempering Low-E low emissivity glass.Processing units adopts northern glass 2425 type arc tempering production lines.
Example 1, select 200 of 6mm low emissivity glasses, processing radian R=200Cm arc glass, heating and temperature control is at 580 degree, be 350s heat-up time, the high 50KPa of wind pressure ratio top, bottom blast, product is qualified through 198 of workshop inspections, when wherein a slice is carried, damages, another 1 there is artificial scuffing, qualification rate 99%, the whole printing opacities of finished product are even, without cloud form patch and asterism.
Example 2, select 250 of 8mm low emissivity glasses, processing radian R=215Cm arc glass, heating and temperature control is at 590 degree, and be 420s heat-up time, the high 150KPa of wind pressure ratio top, bottom blast, product is qualified through 248 of workshop inspections, and wherein 2 exist artificial cut, qualification rate 99.2%, the whole printing opacities of finished product are even, without cloud form patch and asterism.
Example 3 is selected 180 of 8mm low emissivity glasses, processing radian R=180Cm, heating and temperature control is at 590 degree, be 440s heat-up time, the high 120KPa of wind pressure ratio top, bottom blast, and product is qualified through 179 of workshop inspections, wherein 1 has artificial cut, qualification rate 99.5%, the whole printing opacities of finished product are even, without cloud form patch and asterism.
From 3 batches of products, respectively get 1 sample and dull and stereotyped Low-E glass and do effect of heat insulation experiment, effect of heat insulation is in Table 1.
Arc Low-E glass after processing is inspected by random samples, and check data is in Table 2.
Low-E sheet glass heat-collecting box and Low-E arc glass heat-collecting box, day part temperature detection record in 1 day
Table 1
According to GB18915.2-2002 standard, the detection data of arc Low-E glass are as follows:
| Visual appearance | Ultraviolet (uv) transmission ratio | Visible transmission ratio | Visible ray reflectivity |
| Range estimation is without difference | Mean value 26.78% | Mean value 43% | Mean value 29% |
| Sunlight transmittance | Wear resistance | Color even rate |
| Mean value 26.7% | ΔT＝1.35 | ΔE＝1.6 |
Table 2
Claims (1)
1. the present invention relates to common off-line and can tempered and low-radiation glass production process the method for building arc glass, the method of the technical parameter while it is characterized in that according to thickness of glass and processing radian science Choice and process, dry temperature when curved selects between 560-590 ℃, dry the curved time and select between 320-500s, dry the blast of glass bottom and the leeway on glass top when curved and select between 30-200KPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305595.2A CN103588385A (en) | 2012-08-18 | 2012-08-18 | Method for producing building arc glass from normal off-line tempered low-emissivity glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210305595.2A CN103588385A (en) | 2012-08-18 | 2012-08-18 | Method for producing building arc glass from normal off-line tempered low-emissivity glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103588385A true CN103588385A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210305595.2A Pending CN103588385A (en) | 2012-08-18 | 2012-08-18 | Method for producing building arc glass from normal off-line tempered low-emissivity glass |
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| CN (1) | CN103588385A (en) |
Citations (7)
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|---|---|---|---|---|
| US20030101749A1 (en) * | 1999-12-06 | 2003-06-05 | Guardian Industries Corp. | Matchable low-E I.G. units and laminates and methods of making same |
| CN101168476A (en) * | 2007-10-12 | 2008-04-30 | 福耀玻璃工业集团股份有限公司 | Low radiation coated glass capable of being bended by baking |
| CN201106022Y (en) * | 2007-10-12 | 2008-08-27 | 福耀玻璃工业集团股份有限公司 | Baking-bendable low-radiation film-plating glass |
| CN101585667A (en) * | 2009-07-02 | 2009-11-25 | 福耀集团（上海）汽车玻璃有限公司 | Bendable low-emission coated glass |
| CN101700962A (en) * | 2009-11-04 | 2010-05-05 | 北京北玻安全玻璃有限公司 | Outside arc surface film coating method of bent tempered glass and low emissivity coated glass prepared by same |
| CN102491630A (en) * | 2011-11-22 | 2012-06-13 | 福耀玻璃工业集团股份有限公司 | Manufacturing device for semi-tempered skylight glass and manufacturing method thereof |
| CN102531365A (en) * | 2010-12-30 | 2012-07-04 | 洛阳北方玻璃技术股份有限公司 | Method for producing semi-tempered glass |
-
2012
- 2012-08-18 CN CN201210305595.2A patent/CN103588385A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030101749A1 (en) * | 1999-12-06 | 2003-06-05 | Guardian Industries Corp. | Matchable low-E I.G. units and laminates and methods of making same |
| CN101168476A (en) * | 2007-10-12 | 2008-04-30 | 福耀玻璃工业集团股份有限公司 | Low radiation coated glass capable of being bended by baking |
| CN201106022Y (en) * | 2007-10-12 | 2008-08-27 | 福耀玻璃工业集团股份有限公司 | Baking-bendable low-radiation film-plating glass |
| CN101585667A (en) * | 2009-07-02 | 2009-11-25 | 福耀集团（上海）汽车玻璃有限公司 | Bendable low-emission coated glass |
| CN101700962A (en) * | 2009-11-04 | 2010-05-05 | 北京北玻安全玻璃有限公司 | Outside arc surface film coating method of bent tempered glass and low emissivity coated glass prepared by same |
| CN102531365A (en) * | 2010-12-30 | 2012-07-04 | 洛阳北方玻璃技术股份有限公司 | Method for producing semi-tempered glass |
| CN102491630A (en) * | 2011-11-22 | 2012-06-13 | 福耀玻璃工业集团股份有限公司 | Manufacturing device for semi-tempered skylight glass and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
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| 罗忆等: "《建筑玻璃生产与应用》", 31 March 2005, 化学工业出版社 * |
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