【摘要】 介绍了国内外管道防腐层缺陷检测的几种检测方法 ,包括 :人体阻容法、磁场衰减法、标准管地电位法、近间距电位法、直流电压梯度法、电流梯度法等 ,分析了各种管道检测技术的原理和优缺点 ,指出对几种管道防腐检测技术进行有效地综合应用才能记录管道真实保护状态和防腐层缺陷位置。更多还原

【Abstract】 The paper introduces technologies of pipeline anti-corrosion coating detection,including PS detection,magnetic field attenuation,P/S detection,CIPS detection,DCVG detection,ACCG detection mothods. The paper also analyzes the advantages and weaknesses of detection methods,and describes developing tendency of pipeline anti-corrosion detection.更多还原