Crushing system

Details Crushing system Crushing system

2006-12-12

2006-12-12

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

With automatic control

C241S036000

Reexamination Certificate

active

07147175

ABSTRACT:
In a crushing system, an interlocked operation of operation units including a grizzly feeder, a crusher and a delivery conveyor and so on is stopped by depressing an interlock OFF switch (94). For this, after stopping the grizzly feeder, a stop command section (122B) outputs a stop command to the crusher and the delivery conveyor only when a load detector (110) once detects the load on the delivery conveyor and a determining section (122A) determines that the load is cleared out and there is no remaining crushed material. Thus, if compared with conventional crushing systems adapted to stop the operation units only after the elapse of a predetermined time period, the crushing system can reliably prevent the crushed material from remaining on the delivery conveyor so that it is no longer necessary to worry about a situation where the crushed material remaining on the delivery conveyor has to be removed.

REFERENCES:
patent: 4535942 (1985-08-01), Hayashi
patent: 4909449 (1990-03-01), Etheridge
patent: 6119967 (2000-09-01), Nakayama et al.
patent: 11-156226 (1999-06-01), None

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