卤水管道焊台泄漏环氧异形套筒修复适用性探讨
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摘要
卤水管道由于输送介质具有强腐蚀性,碰死口焊台焊缝处易发生内腐蚀穿孔,若使用传统的补焊修复方法,焊接高温会破坏管道内涂层结构,可能导致更严重的腐蚀穿孔。本文针对卤水管道碰死口焊台特点,采用静水压爆破试验的方法验证了钢质环氧异形套筒补强修复方法的可行性。
Leakage often occur at the welding connection platform on Brine pipeline because of the highly corrosive Transmission medium.If using welding way to repair defects,the repair location will leak again in a short time.Moreover,the high temperature of welding will damage the internal coating of the pipeline,which will cause more severe leakage.In this paper,hydrostatic burst test verify that the repair method of special steel sleeve filled with epoxy resin for the leakage of welding connection platform on brine pipeline is feasible.
Leakage often occur at the welding connection platform on Brine pipeline because of the highly corrosive Transmission medium.If using welding way to repair defects,the repair location will leak again in a short time.Moreover,the high temperature of welding will damage the internal coating of the pipeline,which will cause more severe leakage.In this paper,hydrostatic burst test verify that the repair method of special steel sleeve filled with epoxy resin for the leakage of welding connection platform on brine pipeline is feasible.
引文
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[2]甘振维.凝析气田集输管道内腐蚀分析[J].油气储运.2010,29(1):41-45.
[3]朱建华.浅析防腐技术在盐卤钢质管道中的应用[J].中国井矿盐,2014,3(2):23-25.
[4]李荣光,冯庆善,王学力等.B型全封闭钢质套筒修复技术改进[J].油气储运.2010,29(10):755-758..
[5]Pavol Novák;Milan?mindák;Zoran Pelagi.High-Pressure Pipelines Repaired by Steel Sleeve and Epoxy Composition[J].Applied Mechanics and Materials.2013:Vol.486:181-188
[6]Jeannie Stell.Composite and steel-sleeve pipeline repair methods are put to the test[J].Pipe Line and Gas Technology.2010:Vol.9,No.8
[7]陈杰.钢制环氧套筒修补管道的数值模拟与实验研究[D].四川成都:西南交通大学,2011.