Separator for separating processed material from grinding medium

Details Separator for separating processed material from grinding medium Separator for separating processed material from grinding medium

1988-01-29

1991-12-31

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Loose grinding body comminutor

241172, B02C 1716

Patent

active

050765060

ABSTRACT:
A dispersing and grinding apparatus disperses and grinds material by the use of a particulate grinding medium. A separator installed at the discharge end of the apparatus separates the processed material from the grinding medium. The separator comprises a stationary stator, and a rotatable rotor mounted so that the rim area of the rotor is spaced from and faces the stator to define therebetween a small gap which is large enough to permit the processed material to pass therethrough small enough to prevent the grinding medium from passing therethrough. The rotor has on its underside a plurality of protruding guide portions configured as arc-shaped protrusions which forcibly guide and disperse the grinding medium tending to collect and concentrate at the rim area of the rotor. By such a construction, the useful life of the rotor is significantly prolonged because the grinding medium is positively and forcibly guided radially outwardly away from the confronting surfaces of the rotor and stator thereby minimizing wear of the rotor and stator surfaces.

REFERENCES:
patent: 3486705 (1969-12-01), Szegvari
patent: 3802633 (1974-04-01), Schold
patent: 4382557 (1983-05-01), Duerr

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