The design principle and realization method of a new kind of radiographic welding seam inspection system for steel tube were introduced.
介绍了一种应用于钢管焊接接头检验的射线透视系统的设计原理与实现方法。
2
The failure reason came out through analysis on operation condition in failure tube and related inspection, and the protection method and solution was given.
经过对失效炉管运行状况的分析及相关检测找出了翅片管泄漏的原因，并提出了相应的防护措施。
3
Through appearance inspection, wall thickness measurement, EDS analysis and X-ray diffraction, the corrosion cause of the coal economizer tube is analysed.