供热管道纤维素焊条下向焊焊接技术分析

Analysis of heating line weld defects by down weld with fibrin electrode

为消除长输供热管道焊接缺陷,提高焊接质量,在现场施工成功的经验基础上,结合焊接理论知识,分析了纤维素焊条手工电弧下向焊常见焊接缺陷产生的原因及其影响因素,并提出有效的解决方法。

In order to eliminate long - distance heating line weld defects and to improve the welding quality, the reasons and influential factors of the familiar weld defects by down weld with fibrin electrode are analyzed, and the effective measures of preventing such defects are provided based on successful experiences in the course of construction pipeline and welding theory.