CN101798184A - Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe - Google Patents
Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe Download PDFInfo
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- CN101798184A CN101798184A CN 201010116612 CN201010116612A CN101798184A CN 101798184 A CN101798184 A CN 101798184A CN 201010116612 CN201010116612 CN 201010116612 CN 201010116612 A CN201010116612 A CN 201010116612A CN 101798184 A CN101798184 A CN 101798184A
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- glass
- sealing
- kovar alloy
- transition section
- neutral borosilicate
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Abstract
Description
Claims (6)
- One kind novel in the method for sealing of high-temperature solar thermal-collecting tube metal and glass, it is characterized in that: the first sealing-in of neutral borosilicate glass and transition section glass, then transition section glass again with the direct sealing-in of kovar alloy.
- 2. method for sealing according to claim 1 is characterized in that:A) at first, utilize glass work lathe that neutral borosilicate glass tube and the sealing-in of transition section Glass tubing is good, sealing temperature is at 600 ℃--and 1000 ℃;B) then, kovar alloy is cleaned up, put into hydrogen-burning stove and carry out the annealing in hydrogen atmosphere processing, afterwards, kovar alloy is put into the bottom heated oxide of ratio-frequency heating head;C) the neutral borosilicate glass that sealing-in in a) is good and the Glass tubing of transition section glass are also put into ratio-frequency heating head inside, and the termination of transition section glass and the end of kovar alloy are just in time to last;D) at 600 ℃--under 1200 ℃ the temperature, with the kovar alloy low red heat, this moment, the last layer oxide compound was adhered on the surface of kovar alloy uniformly, transition section glass near the kovar alloy termination becomes molten state, directly kovar alloy is inserted in the transition section glass, depth of penetration 5-8mm makes the Glass tubing of molten state evenly be coated on kovar alloy pipe outer wall, with graphite it is finalized the design;E) the whole sealing-in section of neutral borosilicate glass after will docking and kovar alloy is placed into and carries out anneal in the annealing furnace, and time dimension is held in 10-60 minute, and temperature maintenance is at 450 ℃-600 ℃.
- 3. method for sealing according to claim 2 is characterized in that: the main component of described oxide compound is an iron protoxide, and thickness of oxide layer is 1-2 μ m, and area density is 0.3-0.7mg/m 2
- 4. according to any described method for sealing of claim 1~3, it is characterized in that, the thermal expansivity of kovar alloy and the coefficient of expansion of neutral borosilicate glass differ scope 5%~10%, and the coefficient of expansion scope of differing of transition section glass and neutral borosilicate glass is 5%~10%.
- 5. according to any described method for sealing of claim 1~3, it is characterized in that transition section glass is electronic glass DM308, length is 15~30mm.
- 6. according to any described method for sealing of claim 1~3, it is characterized in that the sealing-in mouth length of neutral borosilicate glass and kovar alloy is 3mm~8mm.
Priority Applications (1)
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CN2010101166129A CN101798184B (en) | 2010-02-26 | 2010-02-26 | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe |
Applications Claiming Priority (1)
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CN2010101166129A CN101798184B (en) | 2010-02-26 | 2010-02-26 | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe |
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CN101798184A true CN101798184A (en) | 2010-08-11 |
CN101798184B CN101798184B (en) | 2012-09-05 |
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CN2010101166129A Active CN101798184B (en) | 2010-02-26 | 2010-02-26 | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe |
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Cited By (13)
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CN102424518A (en) * | 2011-09-08 | 2012-04-25 | 陕西宝光真空电器股份有限公司 | Preparation method of outer pipe of evacuated collector tube for parabolic trough solar photothermal power generation |
CN102515522A (en) * | 2011-12-08 | 2012-06-27 | 山东力诺新材料有限公司 | Borosilicate glass, glass-metal coupled sealing connection member, and preparation method and use of the glass-metal coupled sealing connection member |
CN102838292A (en) * | 2012-10-08 | 2012-12-26 | 北京工业大学 | Glass-metal sealing structure of high-temperature collector tube |
CN103193380A (en) * | 2013-03-19 | 2013-07-10 | 深圳职业技术学院 | Method for sealing metal and glass for high/medium-temperature solar evacuated collector tube |
CN104165472A (en) * | 2014-09-03 | 2014-11-26 | 南京诚远太阳能科技有限公司 | End sealing structures of vacuum heat collection tube |
CN105097385A (en) * | 2015-09-10 | 2015-11-25 | 安徽华夏显示技术股份有限公司 | Button stem for rectifier tube and manufacturing method of button stem |
CN106403866A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Installation clamp applicable to linear displacement sensor assembly without installing holes |
CN107062654A (en) * | 2017-01-17 | 2017-08-18 | 周玉春 | A kind of solar energy heat collection pipe and its production and use |
CN108529902A (en) * | 2018-03-23 | 2018-09-14 | 内蒙古旭宸能源有限公司 | Solar energy heat collection pipe can cut down the method for sealing with glass |
CN109273335A (en) * | 2018-09-30 | 2019-01-25 | 汕头高新区聚德医疗科技有限公司 | A kind of metal and glass sealing process of CT bulb |
CN110553407A (en) * | 2019-09-24 | 2019-12-10 | 陕西宝光真空电器股份有限公司 | Sealing method of outer glass tube for medium-high temperature vacuum heat collecting tube |
CN111555102A (en) * | 2020-05-12 | 2020-08-18 | 南通斯派特激光科技有限公司 | Glass-metal sealing structure laser tube |
CN117006712A (en) * | 2023-08-04 | 2023-11-07 | 陕西宝光真空电器股份有限公司 | Vacuum heat-collecting outer glass tube and preparation method thereof |
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CN101020598A (en) * | 2006-02-14 | 2007-08-22 | 江希年 | Glass-metal sealing process for vacuum heat collecting tube |
CN101063560A (en) * | 2006-04-28 | 2007-10-31 | 张建城 | Middle-high-temperature solar vacuum heat-collecting tube glass end cap packaging structure and fabrication technology |
CN101135501A (en) * | 2006-08-28 | 2008-03-05 | 中国科学院电工研究所 | High-temperature solar thermal-collecting tube and manufacturing process thereof |
CN201037701Y (en) * | 2006-04-05 | 2008-03-19 | 北京天瑞星真空技术开发有限公司 | Solar energy vacuum heat-collecting tube |
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2010
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CN101020598A (en) * | 2006-02-14 | 2007-08-22 | 江希年 | Glass-metal sealing process for vacuum heat collecting tube |
CN201037701Y (en) * | 2006-04-05 | 2008-03-19 | 北京天瑞星真空技术开发有限公司 | Solar energy vacuum heat-collecting tube |
CN101063560A (en) * | 2006-04-28 | 2007-10-31 | 张建城 | Middle-high-temperature solar vacuum heat-collecting tube glass end cap packaging structure and fabrication technology |
CN101135501A (en) * | 2006-08-28 | 2008-03-05 | 中国科学院电工研究所 | High-temperature solar thermal-collecting tube and manufacturing process thereof |
Non-Patent Citations (1)
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《北京科技大学学报》 20090131 罗大为 《可伐合金与玻璃封接工艺的优化》 第63页第2栏第1段 3-6 第31卷, 第1期 2 * |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102424518A (en) * | 2011-09-08 | 2012-04-25 | 陕西宝光真空电器股份有限公司 | Preparation method of outer pipe of evacuated collector tube for parabolic trough solar photothermal power generation |
CN102424518B (en) * | 2011-09-08 | 2013-06-05 | 陕西宝光真空电器股份有限公司 | Preparation method of outer pipe of evacuated collector tube for parabolic trough solar photothermal power generation |
CN102515522A (en) * | 2011-12-08 | 2012-06-27 | 山东力诺新材料有限公司 | Borosilicate glass, glass-metal coupled sealing connection member, and preparation method and use of the glass-metal coupled sealing connection member |
CN102515522B (en) * | 2011-12-08 | 2014-10-15 | 山东力诺新材料有限公司 | Borosilicate glass, glass-metal coupled sealing connection member, and preparation method and use of the glass-metal coupled sealing connection member |
CN102838292A (en) * | 2012-10-08 | 2012-12-26 | 北京工业大学 | Glass-metal sealing structure of high-temperature collector tube |
CN103193380A (en) * | 2013-03-19 | 2013-07-10 | 深圳职业技术学院 | Method for sealing metal and glass for high/medium-temperature solar evacuated collector tube |
CN104165472B (en) * | 2014-09-03 | 2016-01-13 | 南京诚远太阳能科技有限公司 | The end seal structure of vacuum heat collection pipe |
CN104165472A (en) * | 2014-09-03 | 2014-11-26 | 南京诚远太阳能科技有限公司 | End sealing structures of vacuum heat collection tube |
CN106403866A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Installation clamp applicable to linear displacement sensor assembly without installing holes |
CN105097385A (en) * | 2015-09-10 | 2015-11-25 | 安徽华夏显示技术股份有限公司 | Button stem for rectifier tube and manufacturing method of button stem |
CN107062654A (en) * | 2017-01-17 | 2017-08-18 | 周玉春 | A kind of solar energy heat collection pipe and its production and use |
CN108529902A (en) * | 2018-03-23 | 2018-09-14 | 内蒙古旭宸能源有限公司 | Solar energy heat collection pipe can cut down the method for sealing with glass |
CN109273335A (en) * | 2018-09-30 | 2019-01-25 | 汕头高新区聚德医疗科技有限公司 | A kind of metal and glass sealing process of CT bulb |
CN110553407A (en) * | 2019-09-24 | 2019-12-10 | 陕西宝光真空电器股份有限公司 | Sealing method of outer glass tube for medium-high temperature vacuum heat collecting tube |
CN111555102A (en) * | 2020-05-12 | 2020-08-18 | 南通斯派特激光科技有限公司 | Glass-metal sealing structure laser tube |
CN111555102B (en) * | 2020-05-12 | 2022-11-15 | 南通斯派特激光科技有限公司 | Glass-metal sealing structure laser tube |
CN117006712A (en) * | 2023-08-04 | 2023-11-07 | 陕西宝光真空电器股份有限公司 | Vacuum heat-collecting outer glass tube and preparation method thereof |
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Address after: 100080 No. 16, South Third Street, Haidian District, Beijing, Zhongguancun Applicant after: Beijing TRX Solar Technology Co., Ltd. Address before: 100080 No. 16, South Third Street, Haidian District, Beijing, Zhongguancun Applicant before: Beijing Tianruxing Vacuum Technology Development Co., Ltd. |
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