... chemical materials 3.Reliable and easy operation Roller Rotary Kiln1. USAGERoller rotary kiln is mainly used for magnesium oxide, calcium ... material reduction, drying, decomposition, calcination, etc.. The roller rotary kiln lining is pure fiber structure. The roller uses high ... products are box, pit, shuttle, mesh belt, kiln car type, push plate resistance furnace, vacuum furnace, carbon tube furnace, ...