Ball Mills - 911 MetallurgistDec 23, 2017 . Rod Mill Capacity Table; Ball VS Rod Mill Conversion; Types of Mill Discharge; Ball Mill Trunnion and Mill Grate Discharge ... With the installation of one or both of these machines between the ball mill and classifier, as high as 70 per cent of the free gold and sulphide minerals can be immediately removed.types of ball mill equipment for gold,Different Types and Models of Ball Mill - XinhaiOct 20, 2015 . As the most important machines in the whole processing, grinding machines, and grinding workshops are the main workshop in the plant. Usually, several ball mills are installed in grinding workshop, so there should be ball mills in reserve. Grinding stage spend most of the cost in a processing plant, thus.