Method of controlling the operation of a cone crusher

摘要

A cone crusher includes a crushing chamber formed between inner and outer crushing shells, a drive shaft that gyrates the crushing head to crush material in the crushing chamber, and a feeding hopper for feeding material to the crushing chamber. A measurement device measures an amount of material present in the feeding hopper. A control system controls, based on the measured amount of material present in the feeding hopper, at least one crusher operating parameter which is chosen from i) an rpm of the drive shaft, and ii) a width of a discharge opening formed between the inner crushing shell and the outer crushing shell.

主权项

1. A method of controlling the crushing of material in a cone crusher having an inner crushing shell supported on a crushing head and an outer crushing shell, the inner and outer crushing shells forming between them a crushing chamber, the method comprising the steps of:
supplying material (52) to a feeding hopper arranged above the crushing chamber; feeding the material from the feeding hopper to the crushing chamber; bringing the crushing head to gyrate by means of a drive shaft driven by a drive motor to crush the material in the crushing chamber; measuring an amount of the material that is present in the feeding hopper; and controlling, based on the measured amount of material present in the feeding hopper, at least one crusher operating parameter which is chosen from the group of an rpm of the drive shaft and a width of a discharge opening formed between the inner crushing shell and the outer crushing shell.