mill Wikipedia Ball mill WikipediaChinese2019112 ensp 0183 enspThe ball mill is a key piece of equipment for grinding crushed materials and it is widely used in production lines for powders such as cement silies refractory material fertilizer glass ceramics etc as well as for ore dressing of both ferrous and nonferrous metals The ball mill can grind various ores and other materials either wet or dry Working ensp 0183 ensp