Side extraction pulper with screw type rotor

Details Side extraction pulper with screw type rotor Side extraction pulper with screw type rotor

1991-02-19

1991-09-24

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

White water or broke recovery, recirculation or treatment

162261, 241 4617, D21B 132, B02C 2336

Patent

active

050511513

ABSTRACT:
Apparatus for pulping a web of broke advancing downwardly thereto comprises an open tub having at least one generally vertical side wall wherein at least one pulping rotor is mounted for rotation on a substantially horizontal axis. A screw of an axial length substantially greater than the maximum axial dimension of each rotor is mounted concentrically on each rotor and extends horizontally therefrom into the interior of the tub to engage a web of broke entering the tub from above and thereby to draw the web into engagement with the associated rotor.

REFERENCES:
patent: 2696766 (1954-12-01), Stark
patent: 3073535 (1963-01-01), Vokes
patent: 3889885 (1975-06-01), Couture
patent: 4017033 (1977-04-01), Tra
patent: 4413789 (1983-11-01), Rienecker et al.
patent: 4641790 (1987-02-01), Musselmann et al.
patent: 4725007 (1988-02-01), Chupka

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