The roll crusher is simple structure, reliable operation and low cost. It is widely used in middle and small sized mines for intermediate and fine crushing the brittle and soft ores of intermediate hardness such as coal, coke etc.
Roller crusher is divided into plain-roll crusher and tooth-rol crusher according to roller type. Tooth roller crusher is divided into double tooth roller and single tooth roller according to the number of rollers. According to the number of rollers, the plain-roll crusher can be divided into two types: double-roller crusher and four-roller crusher.