... cost 2. safety 3. reasonable, 4. high efficiency, Rotary Kiln Rotary kiln is the main equipment of cement clinker dry -process ... chemical industry, building refractory materials, environmental protection, etc. The rotary kiln consists of cylindrical shell, supporting device, supporting device of ... kiln head, sealing device on the tail of kiln, coal dust pipe device, etc. the kiln body has a certain ...