Patent ID: 9328460
Filing Date: 2016-05-03
CPC Classification: D21F

Claim Text:
1. A method for drying a fibrous web, the method comprising the steps of: acting upon the fibrous web traveling in a machine direction by steam and a hot, moist air in a region of a preceding drying zone; feeding the traveling fibrous web to a downstream drying zone following said preceding drying zone, said downstream drying zone including a drying cylinder and a hood allocated to said drying cylinder; and heating at least one of condensate and fresh water occurring in said drying cylinder with hot air extracted from said hood through a first heat exchanger to produce at least a portion of said steam for said preceding drying zone and directing said hot air taken from said hood through said first heat exchanger and feeding said hot air to said preceding drying zone to produce at least a portion of said hot, moist air in said region of said preceding drying zone.