chromium processing plant wet ball mill china
elementis chromium ball mill ball mill operating parameters for copper chromium. Ball Millan overview ScienceDirect Topics The ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 11 5 times the shell diameter (Figure 8 11) The feed can be dry with less than 3% moisture to minimize ball coating or slurry containing 2040% water by weight