Glass-metal vacuum solar heat-collecting tube and its production method |
Title： |
| Glass-metal vacuum solar heat-collecting tube and its production method |
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Application Number： |
01118394 |
Application Date： |
2001/05/29 |
Announcement Date： |
2001/11/14 |
Pub. Date： |
2003/12/17 |
Publication Number： |
1321865 |
Announcement Number： |
1131395 |
Grant Date： |
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Granted Pub. Date： |
2003-12-17 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
F24J 2/05 |
Applicant(s)： |
Qinghua Univ. |
Inventor(s)： |
Shi Yueyan |
Key Words： |
Glass-metal, vacuum, solar heat-collecting tube, production method |
Abstract： |
The present invention belongs to the field of solar energy technology, including glass outer pipe and metal inner pipe, two ends of the outer pipe are respectively fusion-sealed with metal cap. and the surface of said metal inner pipe is plated or coated with selective absorption coating layer, one end of inner pipe is seal-connected with external communication pipe by means of metal cap of inner pipe, supporting ring and corrugated pipe, and external side of the corrugated pipe is covered with metal mesh, and another end of inner pipe is seal-connected with external communication pipe by means of metal cap of inner pipe. the inner pipe contains non-evapotranspiration type getter, and the inner pipe, auter pipe and external communication pipe are seal-connected by means of metal cap and made into vacuum sandwich. Said invention can reduce cost and raise production efficiency. |
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 Relevancy information |
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| Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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