| 摘要 |
A device for removing a liquid, dusty or solid substance from a moving fabric or web. The device comprises at least: a roll placed transversely in relation to the moving fabric or web and arranged to rotate around a rotation axis, and comprising an outer mantle, through which a liquid or air flow can enter the inside of the roll; a chamber inside which said rotating roll is placed, and which comprises an opening in the direction of said rotating axis, the opening being arranged to expose at least a part of the outer mantle in such a way that the moving fabric or web tangential to the chamber can be supported against the outer mantle; and at least spiral, screw or threaded structure which is arranged inside said rotating roll, at a distance from its outer mantle, and is arranged to rotate around a rotating axis and to transfer liquid or air that has entered the roll in the direction of said rotation axis.
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