PROCESS CONTROL FOR CEMENT GRINDING IN VERTICAL .
PROCESS CONTROL FOR CEMENT GRINDING IN VERTICAL ROLLER MILL (VRM) A REVIEW ... For stable long term operation, when the ... dust collecting fan speed and when the system under small fluctuations adjust machine speed [2]. The various parameters used for process control in VRM are given in Table1. VOL. 12, NO. 20, OCTOBER 2017 ISSN ...