Study on the natural gas pipeline safety monitoring technique and the time-frequency signal analysis method

被引：18

作者：

Qu, Zhigang ^{[1
]}

Wang, Yanfen ^{[1
]}

Yue, Huanhuan ^{[1
]}

An, Yang ^{[1
]}

Wu, Liqun ^{[1
]}

Zhou, Weibin ^{[1
]}

Wang, Huayang ^{[1
]}

Su, Zhichao ^{[2
]}

Li, Jian ^{[2
]}

Zhang, Yu ^{[2
]}

Wang, Likun ^{[3
]}

Yang, Xiliang ^{[3
]}

Cai, Yuchen ^{[1
]}

Yan, Daxian ^{[1
]}

机构：

[1] Tianjin Univ Sci & Technol, Coll Elect Informat & Automat, Tianjin 300222, Peoples R China

[2] Tianjin Univ, State Key Lab Precis Measuring Technol & Instrume, Tianjin 300072, Peoples R China

[3] CNCP, Pipeline R&D Ctr, Langfang 065000, Hebei, Peoples R China

来源：

JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES | 2017年 / 47卷

基金：

中国国家自然科学基金;

关键词：

Natural gas pipeline; Hydrate plugging; Leakage; Monitoring; Wavelet packet; LEAK DETECTION; ACOUSTIC REFLECTOMETRY; BLOCKAGE DETECTION; HYDRATE; WAVELET; SYSTEM;

D O I：

10.1016/j.jlp.2017.02.016

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Hydrate plugging and leakage in natural gas pipelines have been big issues for the industry with the globally increasing demand for natural gas. A natural gas pipeline safety monitoring technique is studied in this paper, which is based on acoustic excitation. In this technique hydrate plugging and leakage can be monitored online at multiple locations and distinguished by "energy-pattern" method based on the wavelet packet analysis. The position of a hydrate plugging or leakage can be achieved by correlation algorithm. The results of experiments and modeling work show that the technique can locate hydrate plugging or leakage at multiple positions with good accuracy and distinguish them effectively. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1 / 9

页数：9

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