| 热力管道状态检测技术研究 |
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| 引用本文： | 刘荣,李孝萍,马孝春.热力管道状态检测技术研究[J].煤气与热力,2011,31(2):24-28. |
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| 作者姓名： | 刘荣 李孝萍 马孝春 |
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| 作者单位： | 1. 北京市热力集团有限责任公司,北京,100026
2. 中国地质大学,北京,100083 |
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| 摘 要： | 分析了国内外管道检测技术的原理、特点与应用领域，以及在热力管道检测中的适用性。在可通行管沟中可采用红外热像仪检测法对热力管道进行局部检测。采用分布式光纤测温系统可对管沟敷设热力管道和直埋敷设热力管道实现全程连续检测。管道内检测技术包括测径器检测法、闭路电视（CCTV）管道检测法、超声波检测法、漏磁检测法，这些方法尽管在石油管道检测中非常有效，但由于热力管道的高温和检测设备进出困难，仍应用较少。管道内检测技术对于管道的快速检测、完整性评价意义重大，值得进一步研究。
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| 关 键 词： | 热力管道 管道检测 分布式光纤测温系统 红外热像仪 闭路电视管道检 测法 超声波检测法 漏磁检测法 |
Study on State Inspection Technology of Heating Pipeline |
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| LIU Rong,LI Xiaoping,MA Xiaochun.Study on State Inspection Technology of Heating Pipeline[J].Gas & Heat,2011,31(2):24-28. |
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| Authors: | LIU Rong LI Xiaoping MA Xiaochun |
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| Affiliation: | LIU Rong,LI Xiaoping,MA Xiaochun |
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| Abstract: | The principles,characteristics and application scopes of domestic and foreign pipeline inspection technologies as well as their applicability to heating pipeline inspection are analyzed.Infrared thermography detection method can be used for local detection of heating pipeline in passable trench.Distributed optical fiber temperature measuring system can be used to globally and continuously inspect heating pipeline installed in trench and directly buried.The pipeline internal inspection technologies include d... |
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| Keywords: | heating pipeline pipeline inspection distributed optical fiber temperature measuring system infrared thermography closed-circuit television detection method ultrasonic detection method magnetic flux leakage detection method |
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