features 1) Roller crusher has the features of simple structure, and takes up smaller space, and the operation and maintenance of this machine is very convenient. 2) Roller crusher is equipped with safety protection device. 3) The operational cost is low, stable operation, high efficiency, saving energy, high crushing efficiency. 4) There is equipped dust-proof plant inside the machine and the sealing ability is excellent, so that there is little powder dust and lower working noises, so that the working environment is greatly improved. 5) The gap of the roll can be adjusted according to the requirement of the customers. Applications Roll crusher applies to crushing medium hardness materials such as coke, sinter, limestone,various metal ore and nonmetal ore.It is most suitable for medium and fine crushing in small and medium-sized nonmetal mines and chemical industry.The minimum size can reach 100 mesh.