Dynamic modeling of semiautogenous milling based on a simplified phenomenological model
Keywords:Semiautogenous milling, Mathematical modeling, Comminution processes
A dynamic simplified model for semiautogenous grinding developed on a phenomenological basis is presented. An equation for the pulp transport through the mill is proposed. Internal classification is described by means of a function sensitive to the pulp density inside the mill. Consistency of the model is shown on the basis of an extensive pilot testing in a 6' x 2' (diameter x length) cascade mill. The effect of the feed rate, feed size distribution and ball filling on the metallurgical response of the mill are shown.
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