... such as cement, silicate, new building material, refractory material,fertilizer, ferrous metal, nonferrous metal and glass ceramics, and can be used ... The hollow shaft is made by the use of steel castings, the liner is detachable, rotary gear is cast with ... , refractory matter, chemical fertilizer, the dressing of black and non-ferrous metal, glass-ceramic and other industries.Structure of cement mill ...