| 超超临界机组水冷壁高温腐蚀问题的探讨 |
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| 引用本文： | 刘鸿国,蔡晖,唐丽英.超超临界机组水冷壁高温腐蚀问题的探讨[J].腐蚀与防护,2009(8). |
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| 作者姓名： | 刘鸿国 蔡晖 唐丽英 |
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| 作者单位： | 华能玉环电厂;西安热工研究院; |
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| 摘 要： | 介绍了国内首台超超临界机组水冷壁发生高温腐蚀的基本情况。对水冷壁管进行外观检查、金相分析和能谱微区成分分析,结果表明,管子外表面存在高温硫腐蚀,对发生腐蚀的原因作了探讨,并提出了预防措施。
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| 关 键 词： | 超超临界机阻 水冷壁 高温腐蚀 预防措施 |
High Temperature Corrosion of Water Cooling Wall of Extrasupercritical Units |
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| LIU Hong-guo,CAi Hui,TANG Li-ying.High Temperature Corrosion of Water Cooling Wall of Extrasupercritical Units[J].Corrosion & Protection,2009(8). |
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| Authors: | LIU Hong-guo CAi Hui TANG Li-ying |
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| Affiliation: | LIU Hong-guo1,CAi Hui2,TANG Li-ying2 |
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| Abstract: | The basic status of high temperature corrosion of water cooling wall of the first domestic extrasupercritical(ESC) units is introduced.A water cooling wall tube was analyzed by means of macroscopy inspection,metallograpy analysis and EDS.The results showed that there was high temperature sulfur corrosion on outside surface of the water cooling wall tube.The corrosion reasons are discussed,and some prevention measures are presented. |
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