D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 3/00 (2006.01) D21F 3/04 (2006.01)
Patent
CA 2044458
ABSTRACT OF THE DISCLOSURE Method and device in a compact press section of a paper machine for balancing of its static and dynamic properties as well as for replacing of the press rolls and fabrics. The press rolls form a compact press roll combination. A space is located in and above the press roll combination between the front and rear frame parts which can be opened and closed. By means of this space at least the upper fabrics and the upper press rolls in the press section are replaced by means of a crane mounted on the ceiling or equivalent, preferably substantially by direct raising and lowering. The front and rear frame parts are interconnected rigidly at and above the press roll combination by means of a rigid intermediate frame part. The intermediate frame part operates as the frame part of the tensioning device of the first upper fabric, and the intermediate frame part together with the upper fabric tensioning device and the tensioning roll. The intermediate frame part may be pivotally connected to the front frame part by means of horizontal articulated joints, or shifted to the side substantially linearly, so that at and above the press roll combination a free open space is opened. This space can be utilized in replacement both of the upper press rolls and of the upper fabrics.
Sim & Mcburney
Valmet Corporation
LandOfFree
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