Kumar 05/05/2011 08:24:38 Air velocity Dear Friends, I would like to know the air velocity in 1st & 2nd chamber of a cement ball mill equipped with roller press? with regardsvipan Michael Clark 05/05/2011 12:49:07 A ball mill equipped with roller press should only have one chamber with small grinding media to complete the fine grinding of the clinker. The air velocity should be 2 m/s. armankhan 05/05/2011 15:33:01 sir what is the ideal clinker size for cement mill equipped with roller press. Kumar 06/05/2011 07:50:59 Thanks a lot, Sir for your reply.But the mill is double chamber by HCRDI China.