Steam heated yankee drying cylinder for paper or tissue machines with condensate draining system

摘要

The invention relates to a steam condensate removal system in a steam-heated Yankee drying cylinder (3) for fiber webs. According to the invention is a continuous steam condensate catching groove (7) arranged in the inner surface with a length of the groove exceeding at least 5-10 turns over the inner surface. In one embodiment is a single continuous groove (7) running over the entire width of the steam-heated Yankee drying cylinder.