... 30% 2.stable operation and good performance 3.widely used in metallurgy, building, refractory,ect What is Rotary Kiln? Rotary kiln ... , including air cylinder edge sealing, spring edge sealing, and graphite block sealing and combination for above. 6. Kiln head hood: including ... Kiln: 1) Rotary kiln is the Thermal Equipment, heating materials, in cement industry for calcining clinker. 2) It is also used ...