Device for separating a mixture of paper pulp and contaminants

Details Device for separating a mixture of paper pulp and contaminants Device for separating a mixture of paper pulp and contaminants

1992-12-24

1995-04-18

Jones, W. Gary

Paper making and fiber liberation

Apparatus

162 55, 241 4617, D21C 900

Patent

active

054075386

ABSTRACT:
An apparatus for separating out the contaminants in a pulp slurry in which the housing of the separator is divided by a perforated screen into an inlet and an outlet section. The inlet section of the separator has a rotating blade mixing means to propel the liquid mixture in the pulp slurry away from the screen and toward the housing wall. The outlet section of the separator has a rotating blade cleaning means which is adjacent the downstream side of the screen for removing contaminants from the upstream side of the screen and moving the removed contaminants into the inlet chamber for further mixing and removal therefrom.

REFERENCES:
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patent: 2954174 (1960-09-01), Polleys
patent: 3432107 (1969-03-01), Johnson
patent: 3525477 (1970-08-01), Kobayashi
patent: 3836464 (1974-09-01), Brookins et al.
patent: 3844488 (1974-10-01), Neitzel
patent: 3854667 (1974-12-01), Baehr et al.
patent: 4222817 (1980-09-01), Clark
patent: 4443296 (1984-04-01), Lamort
patent: 4480796 (1984-11-01), Paraskevan
patent: 4604193 (1986-08-01), Lamort
patent: 4818339 (1989-04-01), Lamort

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