... in cement, refractories, chemicals, nonferrous metals, ferrous metals and other factory–mine industrial sectors for grinding a variety of ores and other materials that ... cement,glass,refectories and other industries. There are two ways of grinding, the dry way is used in refectories,cement, ... . It can save 20-30% energy resource.3.Specification of Ball millTypeSpeed(r/min)Feeding size(mm)Capacity (t/h ...