Roller crusher is a mechanical device that uses the friction force of the roller surface to bite materials into the crushing area, causing them to withstand compression or splitting and break. When used for coarse crushing or when increasing the crushing ratio, teeth or grooves are often made on the roller surface to increase the splitting effect. Roller crushers are usually divided into single roller, double roller, and multi roller crushers according to the number of rollers, suitable for coarse crushing, medium crushing, or fine crushing of coal, limestone, cement clinker, and feldspar and other materials with medium to hard content.
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