Ball mill - WikipediaA ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . The ball mill is used for grinding materials such as coal, pigments, and felspar for pottery. Grinding can be carried out either wet or dry but the former.line ball mill and coal mill,Line hammer mill compare ball millJul 20, 2016 . line wet ball mill line feed size feed size ball mill wikipedia . . from the burning of coal, which is bound to cause line ball mill,.
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