高压液氨装置用大型锻件的焊接修复

Repair Welding of a Large Forging Used in High Pressure Liquid Ammonia Plant

介绍了大型锻件的焊接修复工艺的制订以及焊后热处理,通过两年的运行表明,该焊接工艺可靠安全。

This paper deals with the repair welding procedures of a large forging used in a high pressure liquid ammonia plant. The selections of material,welding procedures and postweld heat treatment have been introduced.Two years of running of the repaired forging has exhibited that the selected repair welding program is reasonable.