Abstract
This paper presents a new method of modeling the batch power of mill on the basis of dimensional analysis and criterion equations. The grinding batch is represented by the grinding bodies, material and medium that is used to provide the flow of raw material through the mill, and most commonly water or air. The rate of energy consumption in the mill is regulated by the charge density and it presents the charge density. The feed power is dependent on the type of media milling body and prior to the treatment of mineral raw materials. Approximate power mill defined engine power is the power of batch mill highest charge density. In the work is varied density in batch laboratory mills and defined a model of batch power mill which we used in the adaptation of the mill plants in new industrial plant. The present model of the feed mill power is checked on industrial exploitation of quartz raw materials in Lukic polje near Milici. The process of mechano-chemical treatment defines as venture milling with longer residence time of material in the mill and small batch densities, all with the aim to reduce the force with which the batch effect on grain mineral resources. Radicality of fragmentation varies with the density of charge so that the densities obtained with smaller sized features special milling products with a narrower range of narrow size class and thus increased the specific surface area and reactivity.
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