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[1]傅丹蓉,常连庚,邸强华,等.漏磁检测器用于海底管道的磁化研究[J].油气储运,2015,34(2):204-207.[doi:10.6047/j.issn.1000-8241.2015.02.021]
　FU Danrong,CHANG Liangeng,DI Qianghua,et al.Magnetization study of MFL detector for submarine pipelines[J].Oil & Gas Storage and Transportation,2015,34(2):204-207.[doi:10.6047/j.issn.1000-8241.2015.02.021]
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漏磁检测器用于海底管道的磁化研究

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 34 期数: 2015年第2期 页码: 204-207 栏目: 出版日期: 2015-02-25
Title:

Magnetization study of MFL detector for submarine pipelines

作者:

傅丹蓉1;  常连庚1;  邸强华1;  杨寒1;  肖春辉2

1. 中油管道检测技术有限责任公司,河北廊坊065000;
2. 中国石油天然气管道局维抢修分公司,河北廊坊065000

Author(s):

FU Danrong1;  CHANG Liangeng1;  DI Qianghua1;  YANG Han1;  XIAO Chunhui2

1. China Petroleum Pipeline Inspection Technologies Co. Ltd., Langfang, Hebei, 065000;
2. Emergency Rescue Center, China Petroleum Pipeline Bureau, Langfang, Hebei, 065000

关键词:

海底管道; 漏磁检测; 有限元分析; 双层管; 混凝土配重层; 厚壁管

Keywords:

submarine pipelines; MFL detection; finite element analysis; double-layered tube; concrete weighted coating; thick wall pipe

分类号:
TE89
DOI:
10.6047/j.issn.1000-8241.2015.02.021
摘要:

为了研制海底管道漏磁检测器,使用陆上管道漏磁检测器对海底管道的磁化效果进行研究。利用Ansys 有限元仿真软件分析了海底管道厚壁管、混凝土配重层、双层管对漏磁场的影响。小口径漏磁检测器用于海底双层管检测时,被测管壁的磁场强度可达漏磁检测磁场要求阈值下限,需要改进。大口径漏磁检测器用于海底管道检测时,管壁的磁场强度能够达到漏磁检测的要求,缺陷信号量化和识别精度亦能够满足漏磁检测器的设计要求。研究成果对指导海底管道漏磁检测器的开发具有重要意义。

Abstract:

In order to develop magnetic flux leakage (MFL) detector for submarine pipeline, magnetization effect on submarine pipeline is studied using onshore MFL detector. The finite element simulation software Ansys is used to analyze the effects of submarine thick wall pipe, concrete weighted coating and double-layered tube on leakage magnetic field. When a small-size flux leakage detector is used to detect submarine double-layered tube, the magnetic field strength of the tube wall can reach the lower threshold of required magnetic field of MFL testing, and therefore the detector needs to be improved. When a large-size flux leakage detector is used to detect submarine tube, the magnetic field strength of the tube wall can reach the requirements of MFL testing, and the quantification and identification accuracy of defect signals also can meet the design requirements of MFL detector. The research results are of great significance to guide the development of MFL detector for submarine pipelines.

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备注/Memo

收稿日期:2013-11-13;改回日期:2014-10-24。
作者简介:傅丹蓉,工程师,1983 生,2007 年硕士毕业于华中科技大学光学专业,现从事磁路设计的相关工作。Tel: 13833672586, Email: fdrhuipp@126.com

更新日期/Last Update: 1900-01-01