含硫循环水系统的腐蚀试验
Corrosion Experiment of Carbon Steel Equipment in Sulfur-containing Circulating Water
摘 要
对炼油装置泄漏物进入循环水中造成的设备腐蚀进行了研究.气相色谱分析结果表明,泄漏物主要来自于加氢柴油、未加氢柴油、汽油和液化气,其中加氢柴油含硫化氢和苯并噻吩类、未加氢柴油含苯并噻吩类、汽油含有硫醇和噻吩类等含硫物质；对微漏状态下含硫循环水进行静态阻垢试验、旋转挂片腐蚀试验以及动态模拟试验,结果表明硫化氢是导致碳钢设备严重腐蚀的主要原因.另外发现,仅采用常规水处理药剂时碳钢表面不能形成腐蚀抑制膜.
硫化物
碳钢
腐蚀
circulating water
sulfide
carbon steel
corrosion
Abstract
The serious equipment corrosion caused by the divulged material of refinery installment in the circulating water was analyzed.The gas chromatography analysis results indicated that the divulged material mainly came from the hydrogenated and unhydrogenated diesel oil,the gasoline and the liquid gas.Among them,the hydrogenated diesel oil contained hydrogen sulfide and benzene thiophthene,unhydrogenated diesel oil included benzene thiophthene,and the gasoline included thiophen which contained sulfur material.Static anti-scaling experiment,ratating hanging-piece corrosion experiment,and dynamic simulation tests have been conducted in the circulating water containing sulfur compounds under pinhole leaking condition. The results showed that the hydrogen sulfide was the primary cause of the serious corrosion of carbon steel equipment.The corrosion suppression film on carbon steel could not be formed by only using the conventional water treatment medicaments.
中图分类号 TQ085
所属栏目 试验研究
基金项目
收稿日期 2008/10/21
修改稿日期 2008/12/15
网络出版日期
作者单位点击查看
备注唐安中,高级工程师.
引用该论文: TANG An-zhong. Corrosion Experiment of Carbon Steel Equipment in Sulfur-containing Circulating Water[J]. Corrosion & Protection, 2009, 30(11): 797～799
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参考文献
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