Cement mill notebook LinkedIn SlideShare Specific power consumption for clinkergypsum grinding in a ball mill should be approximately 3000 cm2 g 244 kWht 3200 cm2 g 268 kWht 3400 cm2 g 294 kWht 3600 cm2 g 320 kWht 3800 cm2 g 347 kWht 4000 cm2 g 375 kWht Note The specific power demand of large grinding units is 1015 better than that of small mills 81 Calculation of