A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . Large to medium sized ball mills are mechanically rotated on their axis, but small ones normally consist of a cylindrical capped container that sits on.
The extraction of raw minerals begins with the mining of rich ores, which are then . SAG mill for pre crushing, and at the mill output of the final ball mill (concentrate) . too large, unwanted accessory minerals cannot be separated from the ore.
Mar 18, 2017 . Ball mills have shells of cast iron or steel plates and are carried on hollow trunnions. . High level discharge mills are made by a large number of .. of which can be found in Richard and Locke's Text Book of Ore Dressing p.