烟气脱硫装置中玻璃鳞片涂层的腐蚀行为
Corrosion Behavior of Glass Flake Coating in Flue Gas Desulphurization System
摘 要
用浸泡法评估了玻璃鳞片在烟气脱硫模拟液(死亡绿液)中的渗水性.用交流阻抗法对玻璃鳞片涂层在烟气脱硫模拟液中不同温度和不同浸泡时间的腐蚀行为进行了研究.结果表明,在60 ℃脱硫环境下,玻璃鳞片的吸水率为5.19%,具有良好的抗渗性.玻璃鳞片涂层在烟气脱硫模拟液中随温度的升高耐蚀性能降低.随浸泡时间的增加玻璃鳞片涂层的腐蚀速率增加.
涂层
烟气脱硫
电化学阻抗谱
glass flake
coating
flue gas desulphurization
electrochemical impedance spectroscopy
Abstract
The water permeability and corrosion behavior of glass flake coating in simulated desulphurization solution was investigated by immerging testing and electrochemical impedance spectroscopy (EIS).It was found that the glass flake coating with the water permeability ratio of 5.19% in simulated desulphurization solution at 60 ℃ exhibited good resistance to permeation.The corrosion resistance of glass flake coating decreased with increase of temperature.The corrosion rate of glass flake coating decreased with the increase of immerging period.
中图分类号 TG174.4
所属栏目 应用技术
基金项目
收稿日期 2009/3/20
修改稿日期 2009/4/21
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备注李淑英,教授.
引用该论文: ZHANG Yi-gang,LI Shu-ying. Corrosion Behavior of Glass Flake Coating in Flue Gas Desulphurization System[J]. Corrosion & Protection, 2010, 31(2): 161～163
被引情况:
【1】云虹,徐群杰,赵玉增,时士峰, "电厂烟气脱硫系统烟囱的腐蚀与防护研究进展",腐蚀与防护 32, 321-325(2011)
【2】何思立,李建三,龙乃健,曾松峰, "湿法脱硫系统混凝土烟道内防腐蚀方案",腐蚀与防护 35, 1152-1155(2014)
【3】陶卫君,朱焱松,任恒昌,孙文俊,何光杰, "氨法烟气脱硫装置腐蚀与防护",腐蚀与防护 34, 436-439(2013)
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参考文献
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