... . safety 3. reasonable, 4. high efficiency, Rotary Kiln Rotary kiln is the main equipment of cement clinker dry -process ... etc. The rotary kiln consists of cylindrical shell, supporting device, supporting device of thrust roller, driving unit, moveable kiln head, sealing ... advanced efficient shaft preheated, five-grade cyclone preheated. Rotary kiln belongs to building material equipment, which can be ...