sponge iron rotary kiln,rotary kiln,kiln,hematite rotary ...
2019-4-10 · Operation principle and Application of Sponge Iron Rotary Kiln . The rotary kiln used to produce sponge iron is mainly used for heating and calcining various mineral materials in metallurgy, construction, and ores etc, such as ceramsite sand, bauxite, limestone, cement, metal magnesium, alumina, hydroxide alumina, flyash , high aluminum refractory materials etc .