摘要
对内涂防腐层的天然气集输管接头处的防腐,提出在接头处加装内衬管以隔离天燃气与管接头焊缝接触的方案,并探讨了内衬管的密封、隔热、结构设计等问题。
This article deals with the preservation of the inner part of natural gas pipe joints.It puts forth a plan to set up an interior pipe at the joint to prevent natural gas from touching the welding seam of the connection.It also explores such fields as the interior pipe sealing,heat insulation, structural designing and so on.
