Spiral classifier: 1.Simple structure, 2.Reliable working conditions, 3.Convenient operation, 4.High Efficiency & Low cost Our spiral classifier is 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. With more than 20 years experience in ...