Screen for screening of pulp suspensions

Details Screen for screening of pulp suspensions Screen for screening of pulp suspensions

D - Textiles, Paper

21

D

D21D 5/16 (2006.01)

Patent

CA 2445483

A tubular screen for screening of pulp suspensions comprises a mantle wall (1), which is provided with screen passages, and external support rings (6), which reinforce the mantle wall so that the latter is resistant to and is not deformed by dynamic forces during operation. Each support ring is designed with a conical surface (7), which abuts and presses directly or indirectly against the mantle wall (1).

L'invention concerne un crible tubulaire destiné à épurer des suspensions de pâte à papier, qui comprend une paroi enveloppe (1) dotée de passages de crible, ainsi que des bagues (6) d'appui externes qui renforcent la paroi enveloppe de façon que, durant l'opération, ladite paroi enveloppe résiste à des forces dynamiques et ne soit pas déformées par lesdites forces. Chaque bague d'appui présente une surface conique (7), qui jouxte et qui presse directement ou indirectement contre la paroi enveloppe (1).

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