... .Reliable and easy operation Roller Rotary Kiln1. USAGERoller rotary kiln is mainly used for magnesium oxide, calcium oxide, magnesium ... reduction, drying, decomposition, calcination, etc.. The roller rotary kiln lining is pure fiber structure. The roller uses high temperature ... a variety of energy-efficient industrial furnace, the main products are box, pit, shuttle, mesh belt, kiln car type, push ...