Bi-directional rotor and stator in a vortical circulation pulper

Details Bi-directional rotor and stator in a vortical circulation pulper Bi-directional rotor and stator in a vortical circulation pulper

1982-09-23

1984-11-13

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

2412611, B02C 2336

Patent

active

044820950

ABSTRACT:
A vortical circulation pulper, of the type designed to pulp difficult to defiber stock, and having a rotor revolving within a stator, in one wall of a pulp container, to circulate a charge in a path within the container, a rotor/stator, stock reduction, interface alongside the path for reducing the size of chunks to smaller pieces and a rotor/stator stock attrition interface in rear of said stock reduction interface on the path to receive and defiber said smaller pieces is provided with a bidirectional rotor and a bidirectional stator, both having symmetrical, generally, isosceles triangle shaped peaks and valleys therearound. Rotation of the rotor can thus be reversed when its stock reduction edges wear down and such reverse rotation, resharpens the worn edges.

REFERENCES:
patent: 1714 (1840-08-01), Montgomery et al.
patent: 2596586 (1952-05-01), Morden
patent: 3428261 (1969-02-01), Moulton

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