摘要
介绍下向焊接技术的特点及发展,结合淄博市在八陡至龙泉燃气管线工程中的应用,着重介绍施工程序及操作工艺。结合焊缝检测结果,对下向焊接中的常见缺陷进行了分析,提出了相应预防措施。
Introduction to the downward welding technology and its development. Combined with application in Ba dou to Long quan gas pipeline project, construction procedures and operation process are emphatically introduced. Based on the results of weld detection, analyze the common defects in downward welding.
出处
《城市燃气》
2015年第8期18-21,共4页
Urban Gas
关键词
下向焊接
纤维素焊条
焊接工艺评定
焊缝检测
缺陷分析
downward welding cellulose electrode welding process assessment weld detectiondefect analysis
