Variable speed SAG milling

CIM Bulletin, Vol. 96, No. 1075, 2003
M.N. Brodie
The ability to adjust the speed of a SAG mill offers benefits to the process and to equipment maintenance. It can be provided
with some slight effect on availability ranging
from somewhat enhanced to somewhat
reduced, depending on the particular equipment that is used. Several techniques have been developed for monitoring the magnitude of the contained charge, and several algorithms have been used to control mill feed rate and mill speed. The various benefits and the means by which they can be realized are examined and compared.
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