摘要:

针对小直径换热器特殊无损检测要求以及制造难度,重点介绍了管板壳侧凸台与壳程筒体封口环焊缝的射线检测方法、设备制造工艺次序、设备各工序检验方法和要求,以及管箱分层隔板结构的优化.

关键词: 换热器 / 封口环焊缝 / 射线检测 / 管箱分层隔板 / 结构优化

Abstract:

ln view of the special no-destructive testing requirements and manutacturing difficulties of smal-diameter heat exchangers, the circumferential weld -ray testing methods of tube plate shel flange and shel pass cylinder seal,manuracturing process sequence,imspection methods and requirements of each equipment process.as well as the optimization of the layered partition structure of the tube box are highlighted in this paper.

Keywords: heat exchanger / sealing circumferential weld / X-ray detection / tube box lavered partition / structure optimization