new vertical cement grinding mill 2011 200 220 mt per hour
2.5.2 Replacing a Ball Mill with a Vertical Roller Mill, High-Pressure Grinding Rolls, or Horomill for Finish . assumed to be $240 to $300 per kW and $120 to $200 per. kW, respectively. . per hour and reduced specific grinding power consumption by 22 percent ( 8 . …