| 从管道检测的角度,分析涂层失效的原因 |
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| 引用本文： | 刘海峰,周方勤,刘永康,安贵林. 从管道检测的角度,分析涂层失效的原因[J]. 化工设备与管道, 2003, 40(2): 45-48 |
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| 作者姓名： | 刘海峰 周方勤 刘永康 安贵林 |
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| 作者单位： | 1. 中国石油西南油气田分公司长输管道检测评价中心,成都,610213
2. 中国石油西南油气田分公司输气管理处,成都,610213 |
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| 摘 要： | 本文首先阐明涂层对管道保护的重要作用，综述了目前长输管道涂层现状及常用涂层材料的特点，通过近几年来对数千公里管道的不同类型涂层检测、评价，总结出涂层失效的主要形式，从管道周围介质的腐蚀性、环境及涂层施工等方面，分析了外界条件与涂层失效的关系，以及导致涂层失效的主要原因。目前长输管道涂层失效的形式主要有：涂层的剥离、龟裂、破损及变形等。
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| 关 键 词： | 管道检测 长输管道 涂层失效 原因 防腐 石油工业 化学工业 腐蚀 |
Cause Analysis of Coating Failure from Piping Examination |
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| Liu Haifeng,Zhou Fangqing Long Distance Piping Inspection ,Evaluation Center,South- west Oil Field Co.,China Petroleum Chendu Liu Yongkang,An Guilin Dept of Gas Transportation,Southwest Oil Field Co.,China Petroleum Chendu. Cause Analysis of Coating Failure from Piping Examination[J]. Process Equipment & Piping, 2003, 40(2): 45-48 |
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| Authors: | Liu Haifeng Zhou Fangqing Long Distance Piping Inspection &Evaluation Center South- west Oil Field Co. China Petroleum Chendu Liu Yongkang An Guilin Dept of Gas Transportation Southwest Oil Field Co. China Petroleum Chendu |
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| Affiliation: | Liu Haifeng,Zhou Fangqing Long Distance Piping Inspection &Evaluation Center,South- west Oil Field Co.,China Petroleum Chendu 610213 Liu Yongkang,An Guilin Dept of Gas Transportation,Southwest Oil Field Co.,China Petroleum Chendu 610213 |
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| Abstract: | In this article, the function of the coat to the piping, the current situation of the coat on the long distance piping and the characteristics of the usual coat was stated Through the inspection and evaluation for the coat on thousands kilometers piping, the main failure type of the coat was analyzed. From the aspects of corrosion, environment and construction, the relationship of the environment and the coat failure and main causes of the coat failure were analyzed. The main causes of the coat failure are stripping, crack, wear and deformation. |
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| Keywords: | long distance piping coat failure cause |
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