Method and apparatus for treating fiber suspension

Details Method and apparatus for treating fiber suspension Method and apparatus for treating fiber suspension

D - Textiles, Paper

21

D

209/104

D21D 5/02 (2006.01)

Patent

CA 1335088

The present invention relates to a method and apparatus for treating fiber suspension. The method and apparatus are particularly suitable for power screening of fiber suspension flowing to the head box of a paper machine. In the screen apparatuses of the prior art the accept pulp has either been thickened or diluted, the distribution of the pulp fraction has changed and the screen apparatuses have brought about pulses to the accept pulp. To eliminate these problems a new type of rotor has been developed to be used with a screen cylinder. Bulges 10 - 40 or other projections of different shape have been arranged on the rotor surface on the screen cylinder side, which are used not only to keep the screen cylinder clean but also to effect the axial flow of the fiber suspension.

565619

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