SAG Mill Operating Work Index (1 reply)

P
PERTHIAS
9 years ago
PERTHIAS 9 years ago

A SAG mill operates with a 10000 hp motor. Typical power draw is 80% of maximum. The 80% passing feed size to the mill is 5 inches and the mill discharge has an 80% passing size of 2.1mm. How do i calculate the Operating Work Index for this mill if the feed tonnage rate is 1200t/h?

David
9 years ago
David 9 years ago

Try this SAG Mill Operating Work Index Calculator https://redesign.911metallurgist.com/blog/formula-to-calculate-a-mill-operating-work-index-equation

It looks like 6.6 kWh/ton

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