Patent ID: 8196314
Filing Date: 2012-06-12
Classification: D21F

Abstract:
1. An apparatus for drying a web of fibrous material using hot air, said apparatus comprising: a supply air chamber configured for supplying a supply air with which the web is charged for a drying operation; an exhaust air chamber configured for being that which an exhaust air from said drying operation passes into; a pressure booster including a suction side and a pressure side, said exhaust air from said exhaust air chamber being supplied at least partly to said suction side of said pressure booster, at least a part of said supply air being supplied to said supply air chamber coming from said pressure side of said pressure booster; and a hood assigned to a drying cylinder arranged downstream from said supply air chamber and said exhaust air chamber in a travel direction of the web, said supply air supplied to said supply air chamber being taken partly from said hood assigned to said drying cylinder.