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    电站锅炉无损检测技术

    Nondestructive Testing Technique for Power Station Boiler

    • 摘要: 电站锅炉是电站的三大主机之一,由于其结构较为复杂,所处环境和工况十分恶劣,因而运行过程中具有潜在的泄漏甚至爆炸的危险性。所以,通过合理有效的无损检测手段对锅炉主辅机及其零部件的制造、安装及定期检验来对其质量进行控制,以期降低事故率,保证其安全运行具有很大的意义。综述了电站锅炉主辅机及其零部件的制造、安装及运行过程中采用的各种无损检测技术的特点和目的。采用的无损检测技术除常规的无损检测方法外,还包括X射线实时成像检测技术、系列的各种自动超声检测技术及定量光谱分析技术等。

       

      Abstract: Power station boiler is one of the three main equipments in the power station. As its complicated structures and badly operation environment, so many potential risk such as leakage even bomb exist in the operation process. How to choose reasonable and effective inspection methods in the manufacture, installation and period inspection to guarantee the quality is very important. The characters of some routine and new inspection methods in the manufacture, installation and period inspection process for the power station boiler are briefly introduced. Additionally, the aim to choose such methods is also explained. Except for some routine testing methods, some new testing methods such as real-time X-ray imaging technique, auto-ultrasonic testing technique and material positive identification(PMI) technique are also included.

       

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