### An analysis of fine dry grinding in ball mills - ScienceDirect

Jan 01, 1981· For S9 TABLE 1 Increase of Blaine surface area on grinding: cement clinker (Type C) Grind time, t First-order grind time, 0 (min) (min) Blaine area (cm"> /g) 20 16 2190 3_11 2_-15 30 21 28855 3.57 2.45 -10 24 3293 -1_13 2.4a Actual specific energy First-order specific energy (Joule cm' X 102) (Joule/cm2.t 10 -) first-order grinding, the energy ...