Ceramic wear-resistant pipe Because the pipe has wear-resistant, corrosion-resistant and heat-resistant properties, it can be widely used in electric power, metallurgy, mining, coal, chemical industry and other industries. It is an ideal wear-resistant pipe for transporting abrasive granular materials and corrosive media such as sand, stone, pulverized coal, ash and liquid aluminum. （1） SMD wear-resistant ceramic pipe: the aluminothermic centrifugal method is used to organically combine ceramics and metals. The aluminothermic centrifugal method is used to prepare the lined ceramic steel pipe. The high temperature generated by the exothermic reaction itself is used to melt the reaction products and separate under the action of centrifugal force to form the steel pipe lined with alumina ceramics. （2） Self propagating composite pipe: ceramic powder + iron oxide powder + magnesium oxide powder are mixed in proportion (the main component is iron oxide and black), seal both ends of the pipe, add powder, rotate the pipe, conduct electronic ignition, and sinter on the inner wall of the pipe by centrifugal method. （3） Integral calcined ceramic pipe: according to the mold, the ceramic powder is burned into a ceramic pipe, and then combined with the steel pipe. The outer wall of ceramic pipe and the inner wall of steel pipe are assembled by pouring special filler (cement or epoxy resin) inside the steel pipe, and then formed by isostatic pressing.