管道施工中的CRC自动焊设备和焊接工艺  

CRC automatic welding equipment and procedure in pipeline construction

作　　者：黄福祥[1,2] 林泊成 隋永莉[1,2] 

机构地区：[1]中国石油天然气管道科学研究院,河北廊坊065001 [2]天津大学材料科学与工程学院,天津300072 [3]中国石油天然气股份公司管道建设项目经理部,北京100101

出　　处：《电焊机》2009年第5期70-73,共4页Electric Welding Machine

基　　金：国家"科技支撑"资助项目(2008BAB30B04);中国石天然气集团公司西气东输二线工程关键技术研究资助项目(HT-XEX-03-(2008)-0138)

摘　　要：随着输气管道建设用钢管管径、壁厚的不断增加,管道自动焊技术得到了迅速的发展。自动焊系统焊接质量稳定、焊接速度快,是一项比较成熟的管道施工技术。介绍了在我国应用的美国CRC-Evans公司的自动焊技术和设备,及其双焊矩自动焊系统的焊接工艺和工程应用情况。工程实践证明,CRC双焊炬自动焊系统是目前管道自动焊先进水平的代表,采用微处理器和电弧跟踪系统实现了对焊接参数和焊接过程的精确控制,可以提高焊接效率,减少焊接工作站数量。With the increasing of transportation gas pipeline diameter and wall thickness,the pipeline automatic welding technology obtained rapid development.The quality of automatic wehting is stable,the welding speed is quick,it is an quite mature pipeline construction technology.This article introduced the automatic welding technology and equipment of American CRC-Evans Corporation which are using in our country, the automatically system of the double welding torch ,welding craft and application situation of the project.The project practice proves that the CRC double torch welding system is representative the present pipeline advanced level of the pipeline automatic welding ,the welding parameters and the welding process has realized accuracy control by the microprocessor and the electric arc tracking system, it might enhance the welding efficiency and reduced the welding work station＇s quantity.

关 键 词：自动焊 焊接工艺 焊接坡口 焊接缺欠 

分 类 号：TG43[金属学及工艺—焊接] TE832[石油与天然气工程—油气储运工程]