某火力发电厂热网加热器缺陷分析及处理  

The Analyse and Treatment for the Defects of the Heater for Heating Network in a Power Plant

作　　者：贾超华 张广兴[2] 张东文[2] 李国维[2] 李中伟[2] 

机构地区：[1]国家核电工程有限公司,上海200233 [2]河北省电力研究院,河北石家庄050021

出　　处：《中国材料科技与设备》2011年第3期88-89,共2页Chinese Materials Science Technology & Equipment

摘　　要：在对某电厂热网加热器进行定期检验时发现管板与壳程筒体对接焊缝内部存在大量超标缺陷，本文对发现的缺陷进行了详细的原因分析，并针对该缺陷提出了及时有效的处理方案。缺陷处理复检符合标准要求。When we do the periodic inspection on the heater for heating network, we found many defects in buttwelds which connect the tubeplate with tube body. This article detailedly analysed the defects we found, and raised effective and timely ways to solve the problem. The defect treatment and reinspection are according to the related standard.

关 键 词：热网加热器 管板 对接焊缝 超声波 

分 类 号：TH49[机械工程—机械制造及自动化]