mining spiral classifier 1.circulating load:135-210t/day 2.spiral speed:8-12.5 r/m 3.simple structure, convenient operation Mining spiral classifier Spiral classifiers are widely used in the distribution of ore in closed circuits with ball mills, grading ore and fine slit in gravity mills, grading granularity and flow of metal ore-dressing, and de-sliming and dehydrating in washing. 1).This ...