埋地管道泄漏监测检测技术

Leakage Monitoring and Testing Technique for Buried Pipelines

综述了埋地管道泄漏监测与泄漏检测的各种无损检测技术,并讨论了各种方法的原理、适用范围、优点和缺点等。介绍的埋地管道泄漏监测技术包括流量平衡法、负压波法、声波法、实时瞬态模型(RTM)法、监控与数据采集(SCADA)法、激光光导纤维法和电缆传感法等,泄漏检测技术包括声波法、红外热成像法、激光扫描法和可燃气体敏感法等。

The nondestructive testing technique used by leakage monitoring and testing of buried pipeline was reviewed. The principle, scope, advantages and disadvantages of the methods were discussed. The leakage monitoring methods of buried pipeline included in flux equity, negative pressure wave, sound wave, real-time model （RTM）, supervisory control and data acquisition （SCADA）, laser optical fibre and cable testing methods. The leakage testing methods of buried pipeline included in sound wave, infrared imaging, laser scanning and flammable gas testing methods.