Vertical Roller Mills for Coal Grinding | Industrial Efficiency .Vertical roller mills (VRM) can replace ball mills or tube mills used for preparing coal. Today VRMs with capacities up to 50 tph are the dominant technology for.techanical data details of vertical coal mill,Tower Mill Operating Work Index - 911 MetallurgistOct 31, 2018 . There is no design data included in this but it should serve as a guide as to what . The Tower Mill is a vertical "stirred" ball/pebble mill recently.
techanical data details of vertical coal mill