Device for cleaning and recovering paper pulp

Details Device for cleaning and recovering paper pulp Device for cleaning and recovering paper pulp

1982-01-21

1984-05-08

Prunner, Kathleen J.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

209397, 209300, 209250, B07B 120

Patent

active

044473206

ABSTRACT:
A device for cleaning and recovering paper pulp includes a tank divided into inner and outer chambers by a fixed cylindrical sieve. The inner chamber also contains a rotating drum with blades that draw acceptable pulp from the outer chamber through the sieve to the inner chamber for discharge and moves rejected material through a helical path in the outer chamber toward another discharge point. The end of the helical path is blocked to form a dead space where the rejected material is concentrated and then periodically discharged.

REFERENCES:
patent: 3255883 (1966-06-01), Nelson et al.
patent: 3394809 (1968-07-01), Hunter
patent: 3420373 (1969-01-01), Hunter
patent: 3437204 (1969-04-01), Clarke-Pounder
patent: 3647067 (1972-03-01), Vogel
patent: 3898157 (1975-08-01), Hooper
patent: 4200537 (1980-04-01), Lamort

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