典型奥氏体不锈钢高温环烷酸腐蚀行为研究

中国腐蚀与防护学报

2012, Vol. 32

Issue (1): 59-63

研究报告

本期目录 | 过刊浏览

典型奥氏体不锈钢高温环烷酸腐蚀行为研究

江克¹,陈学东^1,2,杨铁成^1,2,张玮²,梁春雷¹

1. 合肥通用机械研究院国家压力容器与管道安全工程技术中心合肥 230031
2. 浙江工业大学化工机械设计研究所杭州 310032

HIGH TEMPERATURE NAPHTHENIC ACID CORROSION RESEARCH OF TYPICAL AUSTENITIC STAINLESS STEEL

JIANG Ke¹, CHEN Xuedong^1,2, YANG Tiecheng^1,2, ZHANG wei², LIANG Chunlei¹

1. National Technical Research Center on Safety Engineering of Pressure Vessel and Pipelines, Hefei General Machinery Research Institute, Hefei 230031
2. Institute of Process Equipment and Control Engineering, Zhejiang University of Technology, Hangzhou,310032

全文: PDF(1844 KB)

摘要: 采用管流实验法研究了321和316L两种典型奥氏体不锈钢在高温环烷酸中的腐蚀行为，并将实验结果与经验数据以及模拟结果对比分析。结果表明，不锈钢腐蚀速率随温度的上升而增加；同一温度下冲刷角90°时的腐蚀速率大于0°；试验数据与相近条件下API581数据以及在线监测数据对比结果相近；模拟结果与试验结果对比，验证了近壁处湍流强度越大的区域环烷酸腐蚀越严重。

关键词 ：环烷酸腐蚀, 奥氏体不锈钢, 冲刷角, 湍流强度

Abstract：The corrosion behaviors of 321 and 316L austenitic stainless steel in high-temperature naphthenic acid medium were investigated by pipe flow. The influence of the erosion angle on naphthenic acid corrosion resistance of stainless steel was mainly analyzed. The results revealed that naphthenic acid corrosion rate increased with increasing temperature. The corrosion rates of erosion angle 90° is greater than 0° at the same temperature. The present experimental data and API 581, on-line monitoring data are close. Similar results were obtained after the test data compared with the empirical data of API 581 and on-line monitoring data. It was shown that naphthenic acid corrosion is most severe in areas of highest turbulence.

Key words： naphthenic acid corrosion austenitic stainless steel erosion angle turbulent intensity

收稿日期: 2010-09-25

ZTFLH:

TG142.71

基金资助:

国家高技术研究发展计划项目（2009AA044800和2007AA04Z430）资助

通讯作者: 杨铁成 E-mail: ytc888@yahoo.com.cn

Corresponding author: YANG Tiecheng E-mail: ytc888@yahoo.com.cn

作者简介: 江克，男，1985年生，硕士生，研究方向为高酸原油腐蚀与冲蚀

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引用本文:

江克,陈学东,杨铁成,张玮,梁春雷. 典型奥氏体不锈钢高温环烷酸腐蚀行为研究[J]. 中国腐蚀与防护学报, 2012, 32(1): 59-63.
JIANG Ke. HIGH TEMPERATURE NAPHTHENIC ACID CORROSION RESEARCH OF TYPICAL AUSTENITIC STAINLESS STEEL. J Chin Soc Corr Pro, 2012, 32(1): 59-63.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2012/V32/I1/59

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