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[1]刘全利　苗绘　吕新昱　周广言.中俄东线天然气管道工程DR设备校验方法[J].油气储运,2020,39(01):1-6.
　LIU Quanli,MIAO Hui,LYU Xinyu,et al.Calibration method of DR equipment in China–Russia Eastern Gas Pipeline Project[J].Oil & Gas Storage and Transportation,2020,39(01):1-6.
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中俄东线天然气管道工程DR设备校验方法

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 39 期数: 2020年01期 页码: 1-6 栏目: 出版日期: 2020-01-25
Title:

Calibration method of DR equipment in China–Russia Eastern Gas Pipeline Project

作者:

刘全利　苗绘　吕新昱　周广言

Author(s):

LIU Quanli;  MIAO Hui;  LYU Xinyu;  ZHOU Guangyan

关键词:

中俄东线; X射线数字成像检测; DR设备; 校验方法

Keywords:

China– Russia Eastern Gas Pipeline;  X-ray digital radiography detection;  DR equipment;  calibration method

分类号:
TE89
文献标志码:
A
摘要:

为了有效控制管道环焊缝的焊接质量，并满足智能化管道的建设需要，在中俄东线天然气管道工程中采用X射线数字成像检测（DR）设备进行环焊缝焊接质量的检测。管道DR设备主要由带X射线机的爬行器、探测器、计算机、检查软件、检测工装等组成，其可靠性直接关系到管道环焊缝的检测质量。目前国内外仅针对DR设备各个组成部分提出了相应的技术指标，尚无针对整套设备系统的校验方法及校验标准，故研究制定了《中俄东线DR设备校验程序》，校验内容除相关标准规定的探测器坏像素、基本空间分辨率、最小许可灰度幅值、对比度灵敏度外，还增加了DR设备成像均匀度、缺陷检出率及可靠性测试，为中俄东线天然气管道工程高质量建设提供了技术保障。

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更新日期/Last Update: 2020-03-11