Before revision: Types of coal pulverizers Coal pulverizers may be classified by speed, as follows:Coal Pulverising Mill Types, by Glenn Schumacher, 2010 Low Speed Medium Speed High Speed Low speed Ball and tube mills A ball mill is a pulverizer that consists of a horizontal rotating cylinder, up to three diameters in length, containing a charge of tumbling or cascading steel balls, pebbles, or rods.
After revision: Types of coal pulverizers Coal pulverizers may be classified by speed, as follows:Coal Pulverising Mill Types, by Glenn Schumacher, 2010 Lows Speed Medium Speed High Speed Low speed Ball and tube mills A ball mill is a pulverizer that consists of a horizontal rotating cylinder, up to three diameters in length, containing a charge of tumbling or cascading steel balls, pebbles, or rods.