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[1]杨金生,赵宣,贾世民.天然气管道轮式超声波壁厚测量系统的研制[J].油气储运,2015,34(8):859-862.[doi:10.6047/j.issn.1000-8241.2015.08.012]
　YANG Jinsheng,ZHAO Xuan,JIA Shimin.Wheeled ultrasonic wall thickness measurement system develop for natural gas pipeline[J].Oil & Gas Storage and Transportation,2015,34(8):859-862.[doi:10.6047/j.issn.1000-8241.2015.08.012]

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天然气管道轮式超声波壁厚测量系统的研制

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 34 期数: 2015年第8期页码: 859-862 栏目: 出版日期: 2015-08-25

Title:: Wheeled ultrasonic wall thickness measurement system develop for natural gas pipeline

作者:: 杨金生¹; 赵宣²; 贾世民³; 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技术服务事业部, 河北廊坊 065000;
3. 中国石油天然气管道局科技中心, 河北廊坊 065000

Author(s):: YANG Jinsheng¹; ZHAO Xuan²; JIA Shimin³; 1. China Petroleum Pipeline Inspection Technologies Co. Ltd., Langfang, Hebei, 065000;
2. Technical Service Division, China Petroleum Pipeline Bureau, Langfang, Hebei, 065000;
3. Center for Science and Technology, China Petroleum Pipeline Bureau, Langfang, Hebei, 065000

关键词:: 天然气管道; 压电超声; 壁厚测量; 轮式探头

Keywords:: nature gas pipeline; piezoelectric ultrasonic; thickness measurement; wheeled probe

分类号:: TE973.6;TE88

DOI:: 10.6047/j.issn.1000-8241.2015.08.012

摘要:: 天然气管道内部缺少耦合介质,无法使用常规压电超声测量管道壁厚信息,为此研制了一种轮式超声波壁厚测量系统。轮式超声波壁厚测量系统由轮式测厚探头、超声波激励、接收电路、数据分析存储单元和其他接口电路组成。该系统采用轮式超声波探头对管段壁厚值进行测量,将压电超声换能器安装于轮毂上,轮毂外浇铸弹性材料,通过轮面与被检测试件紧密贴合来实现超声波的声场耦合。牵拉试验的测试结果表明:该系统工作稳定,轮式超声波探头与管壁耦合效果良好,能够分辨出全部壁厚值,测量精度达到0.1 mm。该系统可以集成在管道变形、腐蚀及裂纹检测器上使用。

Abstract:: Conventional piezoelectric ultrasonic technique can not be used to measure the wall thickness of natural gas pipeline, in which there is no coupling medium. In this regard, a wheeled ultrasonic wall thickness measurement system is developed. This system consists of wheeled thickness measuring probe, ultrasonic excitation and receiving circuits, data analysis & storage units and other interface circuits. The wheeled ultrasonic probe is adopted to measure the pipeline wall thickness. As to the system design, the piezoelectric ultrasonic transducer is mounted on wheel hub, which outside is casted with elastic materials; wheel surface and tested specimens are closely fitted to achieve the ultrasonic sound field coupling. The pull test results show that this system is stable, and the wheeled ultrasonic probe and the pipe wall are well coupled; it can discern all wall thickness values, with accuracy up to 0.1 mm. This system can be integrated into the pipe deformation, corrosion and crack detectors.

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备注/Memo

收稿日期:2014-5-27;改回日期:2015-4-14。
基金项目:国家科技支撑计划课题“西气东输二线管道工程关键技术研究”,2008BAB30B05。
作者简介:杨金生,工程师,1983年生,2009年硕士毕业于天津科技大学检测技术与自动化装置专业,现主要从事管道检测技术研究及管道检测器的开发研制工作。Tel:0316-2071672, Email:jameson.young@163.com

更新日期/Last Update: 1900-01-01