... 5. Sealing equipment: there are many kinds for choice according to kiln models, including air cylinder ... edge sealing, and graphite block sealing and combination for above. 6. Kiln head hood: including stationary ... . Working Principle of Rotary Kiln: 1) With a certain slope to the level, the whole kiln ... Thermal Equipment, heating materials, in cement industry for calcining clinker. 2) It is also used ...