联合减压Ⅰ级流体喷射器316L不锈钢管裂纹修复  

Crack Repair for 316L Stainless Steel Pipe of Combined Decompression Ⅰ Grade Fluid Enjector

作　　者：赵建国 张玉华 孙爱国 张玉利 胡玉宗 边建杰 

机构地区：[1]中国石油渤海钻探钻井技术服务公司,天津大港300280 [2]中国石油大港油田炼达公司建安大队,天津大港300280 [3]中国石油大港油田公司采油六厂,天津大港300280 [4]中国石油管道局第六工程公司,天津大港300280

出　　处：《焊管》2012年第12期54-56,共3页Welded Pipe and Tube

摘　　要：对流体喷射器裂纹形成原因进行了分析,综合考虑了材料的理化性能和工作环境,通过试验选择了合适的焊接方法和用于焊接超级奥氏体不锈钢的ENiCrMo-3美国泰克罗伊万能电焊条,确定了焊补工艺和焊接工艺参数,修补过程精细施工,严格控制。通过对流体喷射器裂纹修复后一年的质量跟踪,设备运行良好,各项技术指标均满足要求。In this article,it analyzed the crack formation reason of fluid enjector,and considered physical and chemical properties and working environment.Through experiments it selected reasonable welding method and Techalloy ENiCrMo-3 universal welding electrode for super austenitic stainless steel,confirmed repair welding process and welding parameters.Careful construction and strict control were conducted in repair welding.By means of one year quality tracking for fluid enjector after crack repair,the result showed that this equipment runs well,each technical index can meet requirement.

关 键 词：流体喷射器 316L不锈钢管 美国泰克罗伊焊条 应力腐蚀裂纹 

分 类 号：TG457.1[金属学及工艺—焊接]