Agitator-grinder

Details Agitator-grinder Agitator-grinder

1982-02-05

1985-01-29

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

41 79, 41171, 41172, 41179, B02C 1716

Patent

active

044961065

ABSTRACT:
An agitator-grinder comprises a grinding vessel (3) and an agitator mechanism disposed in the grinding vessel (3) and drivable at high speed, between which agitator mechanism and the wall of the grinding vessel there is a grinding chamber partially filled with auxiliary grinding bodies. A grinding stock inflow conduit (20) discharges into the grinding chamber at one end, and a separator device (25) for separating the ground stock from the auxiliary grinding bodies (24) is provided at the other end. In order to enable the recirculation of the auxiliary grinding bodies (24) in a simple manner and in particular also to enable the exertion of influence on the return flow, a return flow conduit (34) is directed out of the grinding chamber (annular-cylindrical chamber 23) in the vicinity of the separator device (25) back into the vicinity of the grinding stock inflow conduit (20), being attached to the grinding vessel (3) in a stationary manner, and the free cross section of the return flow conduit (34) is variable.

REFERENCES:
patent: 281511 (1883-07-01), Howland
patent: 2398989 (1946-04-01), Agthe
patent: 2595117 (1952-04-01), Ahlmann
patent: 3311310 (1967-03-01), Engels et al.
patent: 4349158 (1982-09-01), Broman

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