近海油气管线铺设的高效焊接技术研究  

High efficient welding technology in offshore pipeline layout

作　　者：姬宜朋[1] 陈家庆[1] 焦向东[1] 王丽[1] 何宁[2] 曹军[2] 赵冬岩[2] 

机构地区：[1]北京石油化工学院海洋工程连接技术研究中心,102617 [2]海洋石油工程股份有限公司,天津市300024

出　　处：《焊接》2008年第5期9-15,共7页Welding & Joining

基　　金：国家"十一五"863计划海洋技术领域重大项目子课题"深水海管铺设焊接工艺及设备国产化技术研究"(2006AA09A105-7)

摘　　要：焊接施工是海底管线铺设过程中的重要环节,制约着铺管质量及效率。从S型铺设和J型铺设两大类方法出发,分别介绍了熔化极气体保护焊、闪光对接焊、高能束焊、单极脉冲焊以及激光复合焊等焊接技术,并介绍了深水管线铺设中适用于钛合金立管的焊接技术。通过分析影响海底管线铺设的焊接因素和一些发达国家的工程化应用研究历程,提出了基于光纤激光器的复合焊接技术是未来高效海底管线铺设连接的发展方向之一。Welding construction is an important link in laying offshore pipeline,which decides the quality and efficiency of layout of pipeline.The welding technologies of GMAW,Flash-butt welding,high energy beam welding,unipolar pulsed current welding,laser-MAG hybrid welding and so on were introduced based on the two primary methods of S-type and J-type.The welding technology of titanium alloy marine riser was also introduced.Based on the analysis of research process in developed countries and engineering applications,the hybrid welding technology based on fiber laser was put forward as one of the developing tendency for offshore pipeline joining technology with high efficiency in the future.

关 键 词：管线铺设 海底管线 海洋立管 焊接技术 激光复合焊 

分 类 号：TG44[金属学及工艺—焊接]