From this page, you can get the rotary kiln is mainly used in metallurgy industry such as ironworks to magnetize ａnd calcine the lean iron ore, chromium ore ａnd ferronickel ore. And be applied in refractory production to sinter bauxite with high alumina ａnd aluminum factory to calcine clinker ａnd aluminum hydroxide. It can also be used in chemical plant to calcine chrome sand ore ａnd chrome powder ore.