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

1988-01-26

1990-11-06

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Loose grinding body comminutor

241172, B02C 1716

Patent

active

049679724

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 though small enough to prevent the grinding medium from passing therethrough. The rotor has a plurality of protruding portions which extend radially outwardly from the rotor and which effectively centrifugally disperse the grinding medium which tends to collect and concentrate at the rim area of the rotor. The protruding portions are removably fastened to the rotor, either as separate protruding members or as part of a one-piece structure, so that the protruding portions can be removed and replaced as they become worn. By such a construction, the useful life of the rotor is significantly prolonged because the grinding medium is positively centrifugally dispersed away from the rim area of the rotor by the protruding portions and the protruding portions, when worn, can be removed and replaced without the need of replacing the rotor.

REFERENCES:
patent: 4382557 (1983-05-01), Duerr

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