| 摘要 |
The method of producing a hydrated alkaline silicate layer for fireproof glass panel, comprises applying a pre-prepared fluid composition onto a glass sheet, subjecting the glass sheet with the composition to drying at a controlled temperature and hygrometry until a solid layer having the desired water contents is produced, and dehydrating the composition. The alkaline silicate composition has a moisture content of 55 wt.%, and a molar ratio of silicon oxide and magnesium oxide of 3-5. The dehydration is performed under partial vacuum at a temperature of less than 50[deg] C. The method of producing a hydrated alkaline silicate layer for fireproof glass panel, comprises applying a pre-prepared fluid composition onto a glass sheet, subjecting the glass sheet with the composition to drying at a controlled temperature and hygrometry until a solid layer having the desired water contents is produced, and dehydrating the composition. The alkaline silicate composition has a moisture content of 55 wt.%, and a molar ratio of silicon oxide and magnesium oxide of 3-5. The dehydration is performed under partial vacuum at a temperature of less than 50[deg] C and a pressure of 10-50 hPa to reduce the water content of 35-42 wt.% in the composition. The dehydrated composition is applied in the form of a layer on a horizontal substrate, and subjected to drying in a sterilizer in which a flow of a gas stream is controlled. The drying is carried out at a temperature of less than 90[deg] C. The applied composition has a thickness of 4-6 mm. The initially dehydrated composition is continuously applied on a carrier comprising a conveyor that rotates in a tunnel-like sterilizer. After drying, the composition is separated from the carrier for application on the glass panel. An independent claim is included for a fireproof glass panel. |
