| L320原油输送管道静置段的腐蚀机理 |
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| 引用本文： | 孔韦海,艾志斌,胡盼,万章,张强,王萌萌,费勤楠.L320原油输送管道静置段的腐蚀机理[J].腐蚀与防护,2019,40(7):502-506. |
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| 作者姓名： | 孔韦海 艾志斌 胡盼 万章 张强 王萌萌 费勤楠 |
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| 作者单位： | 合肥通用机械研究院有限公司,国家压力容器与管道安全工程技术研究中心,安徽省压力容器与管道安全技术重点实验室,合肥 230031;中国石化管道储运有限公司,徐州,221008 |
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| 摘 要： | 选取某腐蚀穿孔L320输油管道静置段作为研究对象,通过现场调研、理化检验和电化学方法等方法,研究了原油输送管道静置段的腐蚀原因。结果表明,原油输送管道静置段的服役环境主要为含H2S、CO2、矿化物的油水混合介质,腐蚀失效主要集中在管道内壁的5~7点钟部位,腐蚀产物呈疏松状,含有S、O、C、Fe元素,失效的主导因素为含H2S与CO2的原油沉积水引起的局部腐蚀。此外,疏松状的腐蚀产物有加速腐蚀的作用,腐蚀形态也由局部腐蚀转变为均匀腐蚀。
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| 关 键 词： | 原油 腐蚀机理 沉积水 局部腐蚀 |
Corrosion Mechanism of the Stationary Section of L320 Crude Oil Pipeline |
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| KONG Weihai,AI Zhibin,HU Pan,WAN Zhang,ZHANG Qiang,WANG Mengmeng,FEI Qinnan.Corrosion Mechanism of the Stationary Section of L320 Crude Oil Pipeline[J].Corrosion & Protection,2019,40(7):502-506. |
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| Authors: | KONG Weihai AI Zhibin HU Pan WAN Zhang ZHANG Qiang WANG Mengmeng FEI Qinnan |
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| Affiliation: | (Hefei General Machinery Research Institute Co.,Ltd.,National Safety Engineering Technology Research Center for Pressure Vessels and Pipeline,Key Laboratory for Safety Technology of PressureVessels and Pipelines of Anhui Province,Hefei 230031,China;Sinopec Pipeline Storage & Transportation Co.,Ltd.,Xuzhou 221008,China) |
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| Abstract: | KONG Weihai;AI Zhibin;HU Pan;WAN Zhang;ZHANG Qiang;WANG Mengmeng;FEI Qinnan(Hefei General Machinery Research Institute Co.,Ltd.,National Safety Engineering Technology Research Center for Pressure Vessels and Pipeline,Key Laboratory for Safety Technology of PressureVessels and Pipelines of Anhui Province,Hefei 230031,China;Sinopec Pipeline Storage & Transportation Co.,Ltd.,Xuzhou 221008,China) |
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| Keywords: | crude oil corrosion mechanism sedimentary water localized corrosion |
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