Nov 17, 2012 3. 2.Coal pulverizer/mill system One of the critical power plant components that is relied upon to convert the energy stored in coal into electricity is the coal pulverizer or mill. The coal flow is controlled by the feeder, allowing coal to flow into the pulverizer mill. The pulverized coal and air mixture is then transport to the boiler ... The highest quality and the latest technology are incorporated into every one of our products. Add to Favorites. 1 / 6. Small Ball Grinder Mill, Laboratory Pulverizer ,SF-250 Portable Mini Planetary Ball Mill Machine. Up to 5 years warranty Easy to operate. $1,500.00-$2,000.00/ Unit. Improving Coal Pulverizer Performance and Reliability. type coal pulverizer. In this design the grinding rolls are stationary, while the ring (or bowl, as it is sometimes called) is rotated by a worm gear drive.