Cement, Energy and Environment

78 Grinding media pa ern 2nd chamber before 25 mm 20 mm 15 mm 20 35 36 Grinding media pa ern 2nd chamber a er 25 mm 20 mm 17 mm 15 mm 20 40 20 23 · Increase grinding media filling level - Grinding media filling level was low in mill. Grinding media filling level was 26.40% in second chamber and 22.25% in first chamber in mill with different sizes of balls. Op mum filling level of media was not done. Media filling level was increased from 26.40% to 29.53% in second chamber and increased from22.25% to 27.50% in first chamber. Grinding media filling level 2nd chamber before Grinding media filling level 2nd chamber a er Grinding media filling level 1st chamber before Grinding media filling level 1st chamber a er h r Filling% Charge (ton) 65 171 26.40 91.20 h r Filling% Charge (ton) 56 171 29.53 102.03 h r Filling% Charge (ton) 75 166 22.25 26.49 h r Filling% Charge (ton) 60 166 27.50 32.75