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Double-vacuum-layer metal vacuum composite heat-insulation plate with edge sealed by seal strip and manufacturing method thereof
A double-vacuum-layer metal vacuum composite heat-insulation plate with edge sealed by a seal strip comprises a housing, a core plate and a vacuum cavity and is characterized in that the housing is a low-carbon steel plate, the core plate is located in the vacuum cavity and provides additional strength for the housing and ensures the smoothness of the housing under atmospheric pressure, the vacuum cavity is a closed cavity formed by welding the housing and sealing the edge by utilizing a glass solder under the constant pressure and high temperature and performing high-temperature sealing under the vacuum condition, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the sealing is automatic sealing performed by utilizing an air exhaust opening pre-formed in the housing and a low-temperature solder in a vacuum furnace according to a liquid seal principle, the low-temperature solder includes low-temperature metal and an alloy solder, a partition plate is arranged in the vacuum cavity and divides the vacuum cavity into two to form double vacuum layers, and supports are arranged in the vacuum layers. A manufacturing method of the double-vacuum-layer metal vacuum composite heat-insulation plate is simple in process, the manufactured double-vacuum-layer metal vacuum composite heat-insulation plate can overcome the shortcomings of existing heat preservation plates and vacuum heat-insulation plates, and strength, heat-insulation, sound-insulation and fireproof performance and a decorative function can be improved.
Double-vacuum-layer metal vacuum composite heat-insulation plate with edge sealed by seal strip and manufacturing method thereof
A double-vacuum-layer metal vacuum composite heat-insulation plate with edge sealed by a seal strip comprises a housing, a core plate and a vacuum cavity and is characterized in that the housing is a low-carbon steel plate, the core plate is located in the vacuum cavity and provides additional strength for the housing and ensures the smoothness of the housing under atmospheric pressure, the vacuum cavity is a closed cavity formed by welding the housing and sealing the edge by utilizing a glass solder under the constant pressure and high temperature and performing high-temperature sealing under the vacuum condition, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the sealing is automatic sealing performed by utilizing an air exhaust opening pre-formed in the housing and a low-temperature solder in a vacuum furnace according to a liquid seal principle, the low-temperature solder includes low-temperature metal and an alloy solder, a partition plate is arranged in the vacuum cavity and divides the vacuum cavity into two to form double vacuum layers, and supports are arranged in the vacuum layers. A manufacturing method of the double-vacuum-layer metal vacuum composite heat-insulation plate is simple in process, the manufactured double-vacuum-layer metal vacuum composite heat-insulation plate can overcome the shortcomings of existing heat preservation plates and vacuum heat-insulation plates, and strength, heat-insulation, sound-insulation and fireproof performance and a decorative function can be improved.
Double-vacuum-layer metal vacuum composite heat-insulation plate with edge sealed by seal strip and manufacturing method thereof
DAI CHANGHONG (author)
2015-07-01
Patent
Electronic Resource
English
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015
| European Patent Office | 2015