D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 9/18 (2006.01) D21C 9/06 (2006.01) D21D 1/40 (2006.01) D21D 5/00 (2006.01) D21F 1/66 (2006.01)
Patent
CA 2172285
In a method for the conversion of a fibre suspension, and particularly for increasing the output of a dewatering apparatus especially for recycled fibre pulp, the reject from the dewatering apparatus is treated in a fractionator, where fractioning takes place in liquid, and fractions from the fractionator areselectively introduced into the accept flow from the dewatering apparatus. In an apparatus for practising the method, a fractionator (10) of the kind where fractioning takes place in liquid is connected to the reject outlet (8) of a dewatering apparatus (1), and the fraction outlets (18, 19, 20) of the fractionator lead to the accept outlet (6) of the dewatering apparatus (1).
Procédé de transformation d'une suspension de fibres, destiné en particulier à accroître le rendement d'une installation d'essorage de pâte à papier recyclée, et consistant à traiter les rejets de ladite installation dans un séparateur où le fractionnement se fait dans le liquide et où les fractions provenant du séparateur sont sélectivement introduites dans le courant accepté sortant de l'installation d'essorage. Dans un appareil mettant en pratique ledit procédé un séparateur en liquide (10) est raccordé à l'orifice de rejet (8) de l'installation d'essorage (1) tandis que les orifices d'évacuation des fractions (18, 19, 20) du séparateur sont raccordés à l'orifice de sortie du courant accepté en provenance de l'installation d'essorage (1).
Kirby Eades Gale Baker
Kvaerner Hymac A.s.
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