ball mills exclusively - taildraggers.co.za
A switch from ball mills to Vertimill® boosts Miaogou Iron . Mar 30, 2016· The mines original grinding circuit consisted of ball mills exclusively. The primary stage comprised 5 ball mills, the secondary stage 3 ball mills, and the final, tertiary stage 2 ball mills. The original tertiary grinding fineness was 325 mesh with 71 73% passing.
