Coal Pulverizer By T. S. Dhiman Engg. & Mechanical Works

Coal pulverizer Raw coal is fed through a central coal inlet at the top of the
Coal pulverizer and falls by gravity to the rotating grinding table, mixing
with classifier rejects returned for re-grinding. Centrifugal action
forces the coal outward to the grinding ring where it is pulverized
between the ring and three grinding rollers. Grinding load,
transmitted from the tension rods through the loading frame to the
roller assemblies, holds the rollers in contact with the grinding ring.
The rollers adjust vertically as the depth of the coal load increases
or decreases. A nozzle ring on the outside perimeter of the
grinding ring feeds primary air to the pulverizer. Pyrites and tramp
metal fall through the nozzle ring openings to be scraped into a
rejects hopper.