Method and an apparatus for controlling a crusher

Details Method and an apparatus for controlling a crusher Method and an apparatus for controlling a crusher

1978-03-15

1980-07-15

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

By contact between relatively moving portions of material

241 30, 241 36, B02C 1718, B02C 2500

Patent

active

042124298

ABSTRACT:
A method and apparatus for controlling an autogenous or semiautogenous crusher, in which the quantity of charge within the crusher is determined continuously. The speed of rotation of the crusher is controlled in accordance with a function which links the speed of rotation of the crusher to the quantity of the charge in the crusher. In a preferred embodiment, the charge is determined from the resistance experienced by the motor which drives the crusher. This resistance is a linear function of the charge within the crusher. The control apparatus provides an electrical signal which is proportional to the quantity of charge and the electrical signal is then used to control the speed of rotation of the crusher.

REFERENCES:
patent: 2613878 (1952-10-01), Hailey
patent: 3181800 (1965-05-01), Noren et al.
patent: 3264881 (1966-08-01), Poklar et al.
patent: 3510743 (1970-05-01), Mortimer

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