| 钢铁厂循环水对Q235管道腐蚀的研究 |
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| 引用本文： | 王孝建,李国敏,沈奇欣,闫秉昊,吴亭亭,李冰.钢铁厂循环水对Q235管道腐蚀的研究[J].材料与冶金学报,2019,18(2):132-140. |
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| 作者姓名： | 王孝建 李国敏 沈奇欣 闫秉昊 吴亭亭 李冰 |
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| 作者单位： | 宝钢股份中央研究院 梅钢技术中心,南京,210039;华东理工大学 机械与动力工程学院,上海,200237;华东理工大学 资源与环境工程学院,上海,200237 |
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| 摘 要： | 采用挂片腐蚀实验,通过表征不同腐蚀时间的表面形貌和腐蚀产物的组成,探究了Q235管道在循环水中的腐蚀机理.通过测试极化曲线及电化学阻抗谱,得到了循环水中氯离子和添加药剂等因素对Q235钢的腐蚀电流和腐蚀电位,以及对电化学传荷阻抗的影响;并且结合挂片实验,研究了循环水中氯离子、pH值和添加药剂等因素对Q235钢的平均腐蚀率、腐蚀产物组成、形貌和腐蚀特征的影响.结果表明:当控制Cl^-浓度小于100 mg/L,pH值不低于8. 5,以及添加缓蚀剂(2 mg/L)可以有效控制Q235的腐蚀速率.
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| 关 键 词： | 循环水 电化学腐蚀 Q235管道 |
Corrosion of Q235 carbon steel pipeline by circulating water of steelworks |
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| Wang Xiaojian,Li Guomin,Shen Qixin,Yan Binghao,Wu Tingting,Li Bing.Corrosion of Q235 carbon steel pipeline by circulating water of steelworks[J].Journal of Materials and Metallurgy,2019,18(2):132-140. |
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| Authors: | Wang Xiaojian Li Guomin Shen Qixin Yan Binghao Wu Tingting Li Bing |
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| Affiliation: | (Meisteel Technology Center,Academia Sinica,Baosteel,Nanjing 210039;School of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai 200237,China;School of Resources and Environmental Engineering,East China University of Science and Technology,Shanghai 200237,China) |
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| Abstract: | Wang Xiaojian;Li Guomin;Shen Qixin;Yan Binghao;Wu Tingting;Li Bing(Meisteel Technology Center,Academia Sinica,Baosteel,Nanjing 210039;School of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai 200237,China;School of Resources and Environmental Engineering,East China University of Science and Technology,Shanghai 200237,China) |
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| Keywords: | circulating water electrochemical corrosion Q235 pipeline corrosion |
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