| Q235B钢原油储罐底板腐蚀穿孔原因 |
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| 引用本文： | 武刚,徐帅,张楠,张庶鑫,孙冰冰,周会萍,马建朝.Q235B钢原油储罐底板腐蚀穿孔原因[J].理化检验(物理分册),2021,57(2):57-59,66. |
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| 作者姓名： | 武刚 徐帅 张楠 张庶鑫 孙冰冰 周会萍 马建朝 |
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| 作者单位： | 中国石油集团石油管工程技术研究院,西安 710077;石油管材及装备材料服役行为与结构安全国家重点实验室,西安 710077;中石油管道有限责任公司西部分公司,乌鲁木齐 830013 |
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| 基金项目： | “十三五”国家重点研发计划(2017YFC0805804)。 |
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| 摘 要： | 某Q235B钢储罐底板发生腐蚀穿孔泄漏事故。通过宏观分析、微观分析、化学成分分析、力学性能试验、金相检验等方法,对储罐底板腐蚀穿孔原因进行了分析。结果表明:储罐底板的涂层因质量较差发生鼓包后破损,在破损点发生了氧腐蚀,进而导致储罐底板腐蚀穿孔。
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| 关 键 词： | 原油储罐 底板 腐蚀穿孔 氧腐蚀 |
Corrosion Perforation Causes of Bottom Plate for Q235 BSteel Crude Oil Storage Tank |
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| WU Gang,XU Shuai,ZHANG Nan,ZHANG Shuxin,SUN Bingbing,ZHOU Huiping,MA Jianchao.Corrosion Perforation Causes of Bottom Plate for Q235 BSteel Crude Oil Storage Tank[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2021,57(2):57-59,66. |
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| Authors: | WU Gang XU Shuai ZHANG Nan ZHANG Shuxin SUN Bingbing ZHOU Huiping MA Jianchao |
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| Affiliation: | (CNPC Tubular Goods Research Institute,Xi’an 710077,China;CNPC Key Laboratory for PetroChina Tubular Goods Engineering,Xi’an 710077,China;Petrochina West Pipeline Company,Urumqi 830013,China) |
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| Abstract: | A Q235 B steel storage tank bottom plate corrosion perforation leakage accident occurred.The corrosion perforation causes of storage tank bottom plate were analyzed by means of macroscopic analysis,microscopic analysis,chemical composition analysis,mechanical property test and metallographic examination.The results show that the coating on the bottom plate of storage tank was damaged after bulging due to poor quality,and oxygen corrosion occurred at the damage point,which led to corrosion perforation of the storage tank bottom plate. |
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| Keywords: | crude oil storage tank bottom plate corrosion perforation oxygen corrosion |
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