Steam box of a paper machine

Details Steam box of a paper machine Steam box of a paper machine

D - Textiles, Paper

21

F

D21F 5/00 (2006.01) D21F 7/00 (2006.01)

Patent

CA 2323991

A steam box in a paper machine, the steam box comprising a main steam zone and at least one side steam zone through which steam is blown to a paper web. The side steam zone is placed in a side section of the steam box and arranged to form a curtain in order to prevent air from entering between the steam box and the paper web from outside the steam box and/or to prevent steam from exiting between the steam box and the paper web. Steam is supplied to the side steam zone from a steam chamber through a side steam zone valve arranged inside the steam box.

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