Evaluation of a laboratory rod mill when grinding bituminous coal
WEBFeb 1, 2012 · The tests were conducted using a mm diameter and mm long laboratory rod mill, which contained steel rods at a volume loading of 23%. The mill was operated at 70% of critical speed for various grind times. ... These in turn can be related to the different design and operating conditions of the mill [11]. In this study, coal grinding ...