Roll Crusher An Overview Sciencedirect Topics
roll crusher. for a given reduction ratio, single-roll crushers are capable of reducing rom material to a product with a top size in the range of 20018 mm in a single pass, depending upon the top size of the feed coal. double-roll crushers consist of two rolls that rotate in opposite directions.roll crushers, or crushing rolls, or double roller crushers, are still used in some mills, although they have been replaced in most installations by cone crushers. they still have a useful application in handling friable, sticky, frozen, and less abrasive feeds, such as limestone, coal, chalk, gypsum, phosphate, and soft iron ores.