High reduction ratio crushing in conical/gyratory crushers

Details High reduction ratio crushing in conical/gyratory crushers High reduction ratio crushing in conical/gyratory crushers

1996-11-22

1998-09-01

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Miscellaneous

241207, B02C 204

Patent

active

057998850

ABSTRACT:
The residence time of material in the crushing cavity of a conical/gyratory crusher is controlled by providing the crusher with a flow restricting arrangement at the lower end of the crushing surfaces. The flow restricting arrangement includes a frustum, ledges or ring of outwardly directed fingers provided at the lower end of the mantle, which finger are interspaced with inwardly directed fingers provided at the lower end of the bowl liner. The flow restricting arrangement also includes a solid ring or a frustum provided at the lower end of the mantle.

REFERENCES:
patent: 4359208 (1982-11-01), Kelm et al.
patent: 4384684 (1983-05-01), Karra
patent: 4560113 (1985-12-01), Szalanski
patent: 4575014 (1986-03-01), Szalanski et al.
patent: 4620185 (1986-10-01), Plahmer
patent: 4658638 (1987-04-01), Plahmer
patent: 4659026 (1987-04-01), Krause et al.
patent: 4756484 (1988-07-01), Bechler et al.
patent: 4956078 (1990-09-01), Magerowski et al.
patent: 5029761 (1991-07-01), Bechler
patent: 5172869 (1992-12-01), Kitsukawa et al.

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