1.used for mining grinding,cement making 2.used for coal grinding for 135MW generator of power plant. The grinding mill is suitable to pulverized bituminous coal with moisture below 30%, In cooperation with the primary hot air fan, the mill feed the boiler with qualified pulverized fines via burners.Types: ZQM110, ZQM140,ZQM150,ZQM158,ZQM178,ZQM180,ZQM190,ZQM216. ball grinding mill