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[1]孙中旺,闫科乐,储佳伟,等.压力脉冲波法复杂天然气管道堵塞检测实验研究*[J].中国安全生产科学技术,2021,17(11):17-24.[doi:10.11731/j.issn.1673-193x.2021.11.003]
　SUN Zhongwang,YAN Kele,CHU Jiawei,et al.Experimental study on blockage detection of complex natural gas pipeline by pressure pulse wave method[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(11):17-24.[doi:10.11731/j.issn.1673-193x.2021.11.003]
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压力脉冲波法复杂天然气管道堵塞检测实验研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年11期
页码:
17-24
栏目:
学术论著
出版日期:
2021-11-30

文章信息/Info

Title:
Experimental study on blockage detection of complex natural gas pipeline by pressure pulse wave method
文章编号:
1673-193X(2021)-11-0017-08
作者:
孙中旺; 闫科乐; 储佳伟; 刘卫国; 杨磊; 赵佳飞
（1.大连理工大学 能源与动力学院，辽宁 大连 116024；
2.中国石油化工股份有限公司青岛安全工程研究院，山东 青岛 266071)
Author(s):
SUN Zhongwang;  YAN Kele;  CHU Jiawei;  LIU Weiguo;  YANG Lei;  ZHAO Jiafei
(1.School of Energy and Power Engineering,Dalian University of Technology,Dalian Liaoning 116024,China;
2.SINOPEC Research Institute of Safety Engineering,Qingdao Shandong 266071,China)
关键词:
复杂输气管道; 堵塞检测; 压力脉冲波; FFT谐波变换
Keywords:
complex gas transportation pipeline;  blockage detection;  pressure pulse wave;  Fast Fourier Transform (FFT) harmonic transformation
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2021.11.003
文献标志码:
A
摘要:
为了解决复杂天然气管道堵塞定位难题，快速定位出堵塞位置，提出利用压力脉冲波法检测复杂管道堵塞。改造搭建长18.1 m、包含17个三通结构的压力波堵塞检测实验台，进行不同堵塞率以及气液混输管道的堵塞定位实验。结果表明：管道三通会引起频率范围为150~200 Hz的高频反射波，利用FFT谐波变换方法可以有效地对原始信号进行滤波分析，更利于对堵塞定位分析。在堵塞率100%时，定位误差为1.07%；在堵塞率50%时，定位误差最大，达到1.93%；对于含液率8%的气液混输管道，100%堵塞时，定位误差为0.48%。研究结果有效地证实了压力脉冲法检测复杂输运管道堵塞的可行性，可为该方法的现场应用提供指导和数据支撑。
Abstract:
In order to solve the problem of blockage location in the complex natural gas pipelines and locate the blockage location quickly,the pressure pulse wave method was proposed to detect the blockage of complex natural gas pipeline.A 18.1 m pressure wave blockage detection experimental bench with 17 three-way structures was reconstructed and built,and the blockage location experiments of different blockage rates and gas-liquid mixed transportation pipelines were carried out.The results showed that the three-way structures of pipeline would cause the high-frequency reflected waves in the frequency range of 150~200 Hz,and the FFT harmonic transformation method could effectively filter and analyze the original signals,which was more conducive to locate the blockage.When the blocking rate was 100%,the location error was 1.07%; When the blocking rate was 50%,the location error was the largest,reaching 1.93%; When the gas-liquid mixed transportation pipeline with liquid content of 8% was 100% blocked,the location error was 0.48%.The results effectively verified the effectiveness of pressure pulse method in detecting the blockage of complex transportation pipeline,and provide guidance and data support for the field application of this method.

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相似文献/References:

[1]李清平,储佳伟,姚海元,等.压力脉冲波法天然气管道堵塞检测研究*[J].中国安全生产科学技术,2021,17(7):5.[doi:10.11731/j.issn.1673-193x.2021.07.001]
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备注/Memo

备注/Memo:
收稿日期： 2021-05-06
* 基金项目： 国家重点研发计划项目（2018YFC0310006，2017YFC0307504）；国家自然科学基金项目（51806027）
作者简介： 孙中旺，硕士研究生，主要研究方向为天然气水合物堵塞探测技术。
通信作者： 杨磊，博士，副教授，主要研究方向为海洋天然气水合物资源开发、海域冷泉系统水合物生成机制等。
更新日期/Last Update: 2021-12-08