... machine, such as: coal dust,coke powder, ferrous and non-ferrous metal powder, ferric oxide sheet,dust,mud and refractories. Features of Ore ... need of drying process,which greatly benefits the cohesion and reforming of current process.3.Hogh strenth of particles, ... which greatly improves the resistance to abrasion,corrosion,high temperature and pressure,giving the device a longer service life. News!!! ...