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Ceramic composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
A ceramic composite vacuum plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is a ceramic plate or is made of ceramic tiles, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the vacuum cavity is formed by welding a low-carbon steel plate in a vacuum furnace by utilizing a glass solder under the high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the coefficient of thermal expansion of the low-carbon steel plate is matched with that of the glass solder, and a support is arranged in the vacuum cavity and is independently manufactured or is directly formed on the vacuum cavity. A manufacturing method of the ceramic composite vacuum plate is simple in process, the ceramic composite vacuum plate can overcome the shortcomings of existing heat preservation plates and vacuum heat-insulation plates, the air impermeability of the vacuum cavity of the ceramic composite vacuum plate can be effectively ensured, the service life of the ceramic composite vacuum plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Ceramic composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
A ceramic composite vacuum plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is a ceramic plate or is made of ceramic tiles, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the vacuum cavity is formed by welding a low-carbon steel plate in a vacuum furnace by utilizing a glass solder under the high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the coefficient of thermal expansion of the low-carbon steel plate is matched with that of the glass solder, and a support is arranged in the vacuum cavity and is independently manufactured or is directly formed on the vacuum cavity. A manufacturing method of the ceramic composite vacuum plate is simple in process, the ceramic composite vacuum plate can overcome the shortcomings of existing heat preservation plates and vacuum heat-insulation plates, the air impermeability of the vacuum cavity of the ceramic composite vacuum plate can be effectively ensured, the service life of the ceramic composite vacuum plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Ceramic composite vacuum plate with edge sealed by seal strip and manufacturing method thereof
DAI CHANGHONG (author)
2015-07-01
Patent
Electronic Resource
English
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