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[1]赵庆华,冯伟章.外界因素对埋地管道沥青防腐层的影响[J].油气储运,1998,17(4):31-35.[doi:10.6047/j.issn.1000-8241.1998.04.009]
　Zhao Qinghua,Feng Weizhang.Effect of external factor on asphalt coating of buried pipeline[J].Oil & Gas Storage and Transportation,1998,17(4):31-35.[doi:10.6047/j.issn.1000-8241.1998.04.009]

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外界因素对埋地管道沥青防腐层的影响

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 17 期数: 1998年4期页码: 31-35 栏目: 出版日期: 1900-01-01

Title:: Effect of external factor on asphalt coating of buried pipeline

作者:: 赵庆华; 冯伟章; 中国石油天然气华东输油管理局山东第一输油管理处

Author(s):: Zhao Qinghua; Feng Weizhang

关键词:: 埋地管道; 防腐; 沥青; 涂层; 质量; 分析

Keywords:: buried pipeline; corrosion protection; asphalt; coating; quality; analysis

DOI:: 10.6047/j.issn.1000-8241.1998.04.009

摘要:: 对采用阴极保护和沥青防腐层联合防护的管道防腐层质量进行了调查分析。外界因素是影响防腐层质量的主要原因,主要包括土壤理化性质、环境温度及电流干扰(恒电位仪运行参数和杂散电流)等。通过研究分析得出:管道周围含水量大的地方防腐层质量优于干燥之处;管道周围环境温度增高将加速防腐层老化,因此,出站段防腐层的老化比进站段严重;管道与电力线交叉时,由于感应二次电压而使管道防腐层老化。

Abstract:: The article makes investigation and analyzes the quality of pipeline coating with asphalt in combination with cathodic protection. Major reason affecting pipeline coating’s quality comes from external factor, mainly including soil’s physical and chemical properties, ambient temperature and current interruption (potentiostat operation coefficient and stray current) etc. . It Is given through study and analysis that the quality of the coating in more water content area along the pipeline is superior over that of less water content and increasing ambient temperature around the pipeline will accelerate aging of coating, therefore the coating at outgoing section will be serious aged than that of incoming section. When intersected with electric line, the coating of the pipeline will be aging due to secondary voltage inducted.

参考文献/References:

1 冯伟章等:鲁宁输油管道沥青防腐层的老化及评价,油气储运,1996,15(7) ,18～21.
2 王强等:地下金属管道的腐蚀与阴极保护,青海人民出版社(西宁),1984,71～72,207～210.
3 刘伟等:秦京输油管道防腐层劣化原因分析,油气储运,1996,15(6) ,25～27.
4 杨嘉羚等:防腐涂层选择技术准则,国外油气储运,1991,9(1) ,24～25.

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备注/Memo

收稿日期:1997-8-13.
作者简介:赵庆华工程师,1964年生,1989年毕业于华中理工大学应用化学系,现在华东输油管理局山东第一输油管理处从事管措管理工作.

更新日期/Last Update: 1900-01-01