Frame construction of a press section in a paper machine

Details Frame construction of a press section in a paper machine Frame construction of a press section in a paper machine

D - Textiles, Paper

21

F

92/21

D21F 3/00 (2006.01) D21F 3/04 (2006.01)

Patent

CA 1326152

FRAME CONSTRUCTION OF A PRESS SECTION IN A PAPER MACHINE ABSTRACT OF THE DISCLOSURE Press section of a paper machine provided with a frame construction which comprises first a front frame and then a rear frame in a direction of running of a paper web through the machine. Press rolls are mounted on the front and rear frames. Between the front frame and the rear frame, and above the press roll combination, there is an at least partially open space through which at least most of the press rolls can be replaced. The space also facilitates replacement of the upper press fabrics. The press roll which forms the second nip is the press section is attached to a first intermediate frame part separate from the rear and intermediate frames and arranged to be pivotable by means of power units around horizontal articulation shafts in conjunction with the front frame. This press roll is connected to the first intermediate frame part through a second intermediate frame part by means of horizontal joints. The second intermediate frame part can be pivoted around the horizontal articulated joints by means of power units. Between the first intermediate frame part and the front frame, there are openable and lockable intermediate parts by means of which the first intermediate frame part can be rigidly fixed to the front frame. The intermediate parts can be opened so that the first intermediate frame part can be pivoted towards the front frame, at least when the suction roll in the press section is being replaced.

603369

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