Guard rings for vertical shaft impact crusher

Details Guard rings for vertical shaft impact crusher Guard rings for vertical shaft impact crusher

1986-01-31

1987-04-21

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Stationary comminuting surface or material bed

241DIG30, B02C 1900

Patent

active

046590269

ABSTRACT:
A vertical shaft impact crusher having a rotor mounted for rotation about a vertical axis on a vertical shaft supported by a central bearing, and an impeller mounted on that shaft so that rock fed into the crusher is caught by the spinning impeller and thrown against an adjacent breaker means, and is broken; wherein the crusher is provided with a guard ring means and a dust shell means mounted telescopically and concentrically to each other with the vertical shaft to restrict the entrance of rock dust and rock fragments into the rotor shaft and bearing; and an annular flexible curtain mounted in spaced relationship to the interior of the crusher housing to dissipate material velocities and reduce operational noise.

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patent: 4090673 (1978-04-01), Ackers et al.
patent: 4166585 (1979-09-01), Alford
patent: 4513919 (1985-04-01), Terrenzio

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