相控阵超声技术在直缝埋弧焊管自动检测中的应用

Application of phased array ultrasonic technology in automatic detection of straight seam submerged arc welded pipes

采用相控阵超声技术对油气输送焊管的焊缝缺陷进行检测,介绍了检测系统的组成和检测原理,并开展了直缝埋弧焊管道的现场检测试验。试验结果表明,与常规脉冲回波超声技术相比,直缝埋弧焊管的相控阵超声自动检测系统具有检测精度高、检测效率高、缺陷检出率高、检测结果显示直观等优势,可以快速、高效地对直缝埋弧焊管焊缝进行检测,具有广阔的发展前景。

Phased array ultrasonic technology was used to detect weld defects in oil and gas transportation welded pipes.The composition and detection principle of the detection system were introduced,and on⁃site detection tests were conducted on straight seam submerged arc welded pipes.The experimental results showed that compared with conventional pulse echo ultrasonic technology,the phased array ultrasonic automatic detection system for straight seam submerged arc welded pipes had some advantages such as high detection accuracy,high detection efficiency,high defect detection rate,and intuitive display of detection results.It can quickly and efficiently detect the welds of straight seam submerged arc welded pipes,and had wide development prospects.