
dam ring height in vertical roller mills
Cement grinding Vertical roller mills versus ball mills. vertical roller mill takes place by exposing a bed of material to a pressure sufficiently high to cause fracture of the individual particles in the bed, although the majority of Height of dam ring Grinding pressure [%] 1,2 1,3 83 1,4 89 1 0 Low Medium High 60 1,1 Airflow [%]