液气分离器石棉衬垫法埋弧自动焊焊接工艺评定

Welding procedure qualification of automatic submerged arc welding with asbestos gasket for gas liquid separator

板厚8～12 mm的液气分离器筒体采用埋弧焊+焊条电弧焊的焊接工艺,生产效率低,工作量大,焊接质量不稳定。详述改进后的石棉板衬垫法埋弧自动焊焊接工艺评定过程,焊接工艺评定结果合格。继而在多台液气分离器产品推广应用,实践证明此改进工艺可操作性和适用性强,保证了焊接质量,取得了较好的效果。

Gas liquid separator of 8～12 mm plate thickness is welded in automatic submerged arc welding plus SMAW welding to be provided with low production efficiency, heavy workload, unstable welding quality.This paper details welding procedure qualification of automatic submerged arc welding with asbestos gasket and the results proved to be qualified ,then popularization and application in the multiple gas liquid separator turned out to be strong maneuverability and applicability,ensured the welding quality and achieved good result.