Method and apparatus for drying gypsum board

摘要

The present invention relates toApparatus for drying sheets;A transport device for transporting a sheet through a device for drying a sheetDisposed toward the upstream end of the device for drying the sheet;Comprising at least one drying chamberFirst drying stageDry air supply means of a first stage for introducing hot air into the at least one drying chamber of the first drying stage at the dry air inlet andAn air release means for discharging exhaust air from the at least one drying chamber of the first drying stage andDisposed downstream of the first drying stageComprising at least one drying chamberSecond drying stageA transfer means for transferring exhaust air discharged from the at least one drying chamber of the first drying stage to the at least one drying chamber of the second drying stageA wet dry air supply means for introducing the exhaust air into the at least one drying chamber of the second drying stage;The wet dry air supply meansA wet dry air inlet for introducing wet dry air disposed upstream of the second drying stage;Wet dry air supply meansThe supplemental air supply means for introducing supplemental air into the second drying stage at the replenishing air inlet disposed downstream of the wet drying inletIncludeRelating to the device.Further, the present invention relates to a method of drying a sheet, wherein an apparatus for drying the sheet is used to dry the sheet.