... carbon steel,high-and low-alloy steel. Fused calcium aluminate (pre-melt aluminum calcium slag) is mainly used for LF furnace, open ... , high carbon steel, high-and low-alloy steel. Calcium aluminates rotary kiln has mature applications in foreign countries such ... combustion devices and other components,It is a production of calcium aluminates powder technology by crushing, drying, milling, rotary kiln ...