System for waste paper conditioning

Details System for waste paper conditioning System for waste paper conditioning

1985-04-09

1987-11-24

Bashore, S. Leon

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

162 4, 162 55, 209273, 241 80, D21B 112, D21B 132

Patent

active

047082950

ABSTRACT:
A process and a secondary pulper used in a system for waste paper conditioning wherein the secondary pulper has a tumbling space separated from an accepted stock space by a screen. The secondary pulper includes a central drain line through which a fraction of fiber suspension enriched with light dirt is removed at one end of the secondary pulper, and a circumferential line through which a fraction of the fiber suspension enriched with heavy dirt is removed from the secondary pulper. A pulp inlet sleeve surrounds the central drain line and receives fiber suspension enriched with heavy dirt from the circumferential drain line through a conduit from the circumferential drain line to the pulp inlet sleeve so that the fiber suspension enriched with heavy dirt enters the tumbling space adjacent the entrance to the central drain line.

REFERENCES:
patent: 3989197 (1976-11-01), Neitcel
patent: 4017033 (1977-04-01), Tra
patent: 4136018 (1979-01-01), Clark
patent: 4231526 (1980-11-01), Ortner et al.
patent: 4252640 (1981-02-01), Musselmann
patent: 4397713 (1983-08-01), Lambrecht

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