凝汽器管子管板封口焊问题分析及焊接工艺改进

张斌

doi:10.7512/j.issn.1001-2303.2020.11.15

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凝汽器管子管板封口焊问题分析及焊接工艺改进
Analysis of condenser tube sheet sealing welding problems and welding process improvement
2020年50卷第11期页码：83-87
DOI： 10.7512/j.issn.1001-2303.2020.11.15

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张斌. 凝汽器管子管板封口焊问题分析及焊接工艺改进[J]. 电焊机, 2020,50(11):83-87.

ZHANG Bin. Analysis of condenser tube sheet sealing welding problems and welding process improvement[J]. 2020,50(11):83-87.
张斌. 凝汽器管子管板封口焊问题分析及焊接工艺改进[J]. 电焊机, 2020,50(11):83-87. DOI： 10.7512/j.issn.1001-2303.2020.11.15.

ZHANG Bin. Analysis of condenser tube sheet sealing welding problems and welding process improvement[J]. 2020,50(11):83-87. DOI： 10.7512/j.issn.1001-2303.2020.11.15.

摘要

针对核电机组凝汽器管子管板封口焊前期项目生产过程及现场检查发现的质量问题进行了梳理和总结,分析其原因,并从清洁度控制、焊接参数优化、工艺参数调节试板的应用、焊缝成形及进深值控制提出了技术改进措施,在实际应用中取得了良好效果,为国内核电凝汽器管子管板封口焊焊接工艺的改进提供了借鉴经验。

Abstract

An overview and cause analysis of the typical defects found in manufacturing and on-site inspection of tube to tube sheet sealing welding of condenser for CPR1000 nuclear power units are provided. And the technical improvement measures concerning cleanliness control,welding parameter optimization,welding parameter adjustment test plate application,weld formation and depth control are proposed,and good results are obtained in practical application,which provides reference experience for the improvement of the sealing welding tech-nology of nuclear power condenser tube sheet.

关键词

凝汽器管子管板封口焊自动氩弧焊

Keywords

condenser tubetube sheetsealing weldingautomatic argon arc welding

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