metso metso rock stone process double roller crusher
General Introduction. Roller crusher is used for coarse crushing or tertiary crushing. Smooth roll crusher is widely used for industries of ore separating, chemical engineering, cement, refractory material, grinding material and building material, etc. Compared with other crushers, double roller crusher is more excellent in industries of refractory material and mining. In double roller two cylinders are set up while in single roller crusher only has a cylinder that move at one place attached with horizontal shaft and material grind between the cylinder and inside body. In Stone crusher generally, double crusher machine fitted. wherever material is soft as compared to stone their single roller crusher can be used.