... safety 3. reasonable, 4. high efficiency, Rotary Kiln Rotary kiln is the main equipment of cement clinker ... building refractory materials, environmental protection, etc. The rotary kiln consists of cylindrical shell, supporting device, supporting ... shaft preheated, five-grade cyclone preheated. Rotary kiln belongs to building material equipment, which ... 1.8*451.84541.9-2.40.16-1.623078.2 1.9*391.93941 ...