Gyratory crusher with automatic control system

Details Gyratory crusher with automatic control system Gyratory crusher with automatic control system

1997-10-17

1999-07-27

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

241 37, 241207, B02C 2500

Patent

active

059276231

ABSTRACT:
A gyratory crusher includes a control system, an upper frame portion having a bowl liner, and a crushing head having a mantel such that a crushing chamber having a gap is formed between the bowl liner and the mantel. The control system includes detecting means for detecting a pre-defined bowl float condition of the crusher, adjusting means for automatically adjusting a width of the gap to thereby eliminate the bowl float condition, and monitoring means for determining magnitude and direction of changes in the width of the gap by monitoring rotation of the bowl liner relative to the upper frame portion. The control means is adapted to automatically adjust the width of the gap to operatively compensate for a wearing rate of the bowl liner and the mantel and to terminate operation of the crusher should rate of bowl float conditions exceed a pre-determined quantity.

REFERENCES:
patent: 3305181 (1967-02-01), Barrot et al.
patent: 4712743 (1987-12-01), Nordin
patent: 4793560 (1988-12-01), Schrodl
patent: 4856716 (1989-08-01), Burstedt

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