In the ever-increasing quest for reduced mineral processing costs and increased throughput tonnages, there has been a worldwide move towards larger and larger mill sizes. As such, FLSmidth has supplied some of the worlds largest horisontal grinding mills with ball mills up to 28ft in diameter (22MW) and SAG mills up to 40ft in diameter (28 MW)
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Get PriceBMWi = Bond ball mill grindability index BL = ball charge (%) CS = mill speed (% of critical) D = mill diameter D/L = aspect ratio = mill diameter/mill length (EGL) The above equations are combined with the Bond ball mill design equation (1961) to complete the circuit throughput model, providing a link between the SAG and ball milling stages
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