Method and arrangement for the treatment of a fiber suspension

Details Method and arrangement for the treatment of a fiber suspension Method and arrangement for the treatment of a fiber suspension

1995-08-01

1996-11-05

Chin, Peter

Paper making and fiber liberation

Apparatus

Digester

162251, D21C 700

Patent

active

055713840

ABSTRACT:
An apparatus and method for screening pulp after bleaching. The apparatus includes a first bleaching tower for bleaching pulp, a screener for screening and separating the bleached pulp into a first accept fraction and a first reject fraction such that the first accept fraction is supplied to a post-screening treatment device without further treatment by a separate thickener. The apparatus further includes a vortex cleaner for separating the first reject fraction into a second accept fraction and a second reject fraction such that the second accept fraction is supplied to the screener or the post-screening treatment device without a separate thickener.

REFERENCES:
patent: 3830688 (1974-08-01), Mannbro
patent: 4529520 (1985-07-01), Lampenius
patent: 4999085 (1991-03-01), Luntamo
patent: 5000842 (1991-03-01), Luokkoi

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