... friendly, energy saving, high quality,high energy rotary kiln +86-18937128706General introduction of Rotary Kilns:A Rotary kiln is a pyroprocessing device used to raise ... temperature (calcination) in a continuous process. Materials produced using rotary kilns include: Cement, Lime, Refractories, Metakaolin, Titanium dioxide, Alumina, Vermiculite, They are ...