... High income, Small investment With ISO 9001 Application of Cement Rotary Kiln:Rotary kiln is mainly used for metallurgy, ... heating and calcining. Such as ceramic sand, bauxite, limestone, cement, fly ash magnesium aluminum hydroxide, aluminum products, alumina refractory materials ... and calcined powder.The working principle and characteristics of Cement Rotary Kiln:I produced a rotary kiln system and ...