medium speed bowl mill operation performance MC Machinery
operation. The basic features of Bowl Mill (Puveriser) supplied by BHEL are: Medium speed range of 40 to 60 rpm. Motor speed range of 600 to 1000 rpm. Speed reduction by two method : 1) single stage worm worm wheel set 2)Planetary Gear Box Input coal size is 25 mm while output is 6575 micron.