Cement mill - WikipediaA cement mill is the equipment used to grind the hard, nodular clinker from the cement kiln into .. Ball mills are normally operated at around 75% of critical speed, so a mill with diameter 5 metres will turn at around 14 rpm. . In a two-chamber mill, the media in the second chamber are typically in the range 15–40 mm,.range of speed of cement mill,range of speed of cement mill,Ball Mill Critical Speed - Mineral Processing & Extractive MetallurgyJun 19, 2015 . A Ball Mill Critical Speed (actually ball, rod, AG or SAG) is the speed at . and preferably should be in the 60 to 68 percent critical speed range.
range of speed of cement mill