FLOTATION DRYER UNIT

摘要

Method and flotation dryer unit for drying a web (12), such as a coated pape r web. The flotation dryer unit (10) advantageously comprises several nozzle boxes (14) extending across the web for feeding drying air towards the web to be dried, a distribution chamber (18) for drying air for leading the drying air into the nozzle boxes, and a suction chamber (20) for gathering the drying air led towards the web from the web area and for directing it to the side of the web. The sucti on chamber is divided into an equalizing space (32) and an air transport chamber (34) by a perforated plate (30) for equalizing the return air flow occurring from the web area.