Dispersing and grinding apparatus

Details Dispersing and grinding apparatus Dispersing and grinding apparatus

1987-06-22

1989-08-15

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With temperature modification of material

241172, B02C 1716

Patent

active

048567175

ABSTRACT:
A grinding medium is filled in a grinding vessel of a dispersing and grinding apparatus. The medium is agitated by means of a cylindrical rotor provided within the vessel. A material entered into the vessel is ground and dispersed in liquid by means of motion of the medium. The rotor has a forward screw on the outer surface or the inner surface thereof for inducing the medium from an inflow conduit to the direction of an outflow conduit, and has a backward screw on the inner surface or the outer surface thereof for inducing the medium from the outflow conduit to the inflow conduit. The medium circulates within the vessel under guidance of these screws. The rotor rotates directly by a shaft extending within the vessel, or by an electromagnetic inductive action of rotating magnetic field provided either on the outer or inner surface of the vessel.

REFERENCES:
patent: 1649813 (1927-11-01), Dalgaard
patent: 2592994 (1952-04-01), Ahlmann
patent: 3226044 (1965-12-01), Matsubayashi et al.
patent: 4059232 (1977-11-01), Engels

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