Ball mills are used for wet grinding iron ore gold/copper ore. Wet mills are generally designed as overflow mills and are operated in open or closed.
Jun 23 2020. Two mills pictured at a mine site. Grinding mills including SAG semi-autogenous grinding mills and ball mills consume approximately 60-70%.
Nov 7 2016. Why is Ore Grinding Necessary · Ball mill · Tube Mill · Rod Mill · Pebble Mill · Batch Mill · Grate Discharge Mill ·.
Nov 30 2017. Finer Grinding Fineness. The discharging principle of overflow ball mills is as follow. The ground ore fines overflow out of the mill.
Overflow. Wet only; Robust and simple; Finer grind longer retention time ; High risk for over grinding; Ball charge 35-45%