DRYER APPARATUS FOR FIBER WEBS

摘要

The invention relates to a dryer apparatus for fiber webs (10), such as webs of natural fiber, synthetic fiber and the like. The apparatus comprises a rotating dryer cylinder (1), the interior of which is provided with elements (8) for injecting hot heat-transfer fluid against the inner cylinder surface and for discharging it from the cylinder interior. The invention relates also to a method for heating a cylinder by injecting hot heat-transfer fluid against the inner surface of the heating cylinder.