JOINT PIPE FOR CONVEYING HIGH TEMPERATURE SOLID AND GAS

摘要

PROBLEM TO BE SOLVED: To provide a joint pipe for conveying high temperature solid and gas capable of suppressing the wear of a step difference part of an easily worn internal pipe and improving the durability of a high temperature solid and gas conveying pipe having a double structure. SOLUTION: This joint pipe for conveying high temperature solid and gas has welding allowance with the internal pipe of the high temperature solid and gas conveying pipe in one end part, expansion and shrinkage allowance provided for the expansion and shrinkage of the internal pipe due to heat in the other end part, and one or more wear prevention members arranged and fixed between the welding allowance and the expansion and shrinkage allowance on its internal wall.