摘要
管道运输是我国能源存储领域的一种重要方式,采用有效方式进行管道泄漏检测是保障管道安全运行的重要保障。文中阐述了分布式光纤测温系统监测管道泄漏的工作原理:光的散射和光时域反射定位;分析了不同功能运输管道光纤的安装工艺方式:缠绕、双层布置、内置和外置等;列举了光纤测温系统在管道测漏实际工程中的应用案例。分析认为,分布式光纤测温系统具有检测距离长、成本低、操作简单和实时监测等特点,在管道运输泄漏检测的实际工程应用中具有技术可行性。
Pipeline transportation is an important way in the field of energy storage in China.Using effective method for pipeline leak detection is an important guarantee for safe operation of the pipeline.In the paper,principle of distributed optical fiber temperature measurement is summarized which is based on light scattering and optical time domain reflection.According to transportation function of the pipeline,different optical fiber installation methods are selected,including winding,double-layer arrangement,internal and external.Cases of optical fiber temperature measurement system used in pipeline leak detection are listed.The analysis believes that distributed optical fiber temperature measurement system has the characteristics of long detection distance,low cost,simple operation and real-time monitoring,and is technically feasible in practical engineering application of pipeline transportation leak detection.
作者
郑小梅
王荣昌
张荣斌
马晖斌
韩明
陆海涛
ZHENG Xiaomei;WANG Rongchang;ZHANG Rongbin;MA Huibin;HAN Ming;LU Haitao(Key Laboratory of Yangtze Aquatic Environment〈MOE〉,Environmental Science and Technology College of Tongji University,Shanghai 200092,China;Jiaxing United Sewage Pipeline Network Co.,Ltd.,Jiaxing 314000,China)
出处
《净水技术》
CAS
2020年第5期69-74,共6页
Water Purification Technology
基金
国家水体污染控制与治理科技重大专项“区域水环境质量改善综合调控系统与平台建设”课题(2017ZX07206-001)
“水体污染控制与治理”科技重大专项成果,嘉兴市水污染协调控制与水源地质量改善项目,区域水环境质量改善综合调控系统与平台建设课题。
关键词
光纤测温
管道泄漏
检测原理
安装方式
optical fiber temperature sensing
pipeline leakage
monitoring principle
installation method
