| 新型耐热钢用于超超临界机组锅炉出现的问题分析及对策 |
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| 引用本文： | 刘鸿国. 新型耐热钢用于超超临界机组锅炉出现的问题分析及对策[J]. 电力建设, 2012, 33(2): 56-59 |
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| 作者姓名： | 刘鸿国 |
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| 作者单位： | 华能玉环电厂,浙江省台州市,317604 |
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| 基金项目： | 中国华能集团公司科技项目（HNKJ07-G18） |
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| 摘 要： | 针对超超临界机组锅炉投入商业运行后出现焊口开裂、受热面爆管、氧化皮堆积堵管等问题，比较了不同厂家锅炉的热负荷及用材，分析了T23、T/P92、SUP304H、HR3C等新型耐热钢材早期失效及氧化皮剥落的原因、机理，并提出预防措施，对超超临界机组锅炉的制造、安装及运行有借鉴作用。
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| 关 键 词： | 超超临界机组 锅炉 新型耐热钢 早期失效 氧化皮剥落 |
| 收稿时间： | 2011-10-08 |
| 修稿时间： | 2011-11-23 |
Problems Analysis and Countermeasures for New Type of Heat-Resistant Steel Applying in USC Boiler |
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| LIU Hongguo. Problems Analysis and Countermeasures for New Type of Heat-Resistant Steel Applying in USC Boiler[J]. Electric Power Construction, 2012, 33(2): 56-59 |
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| Authors: | LIU Hongguo |
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| Affiliation: | LIU Hongguo(Huaneng Yuhuan Power Plant,Taizhou 317604,Zhejiang Province,China) |
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| Abstract: | After ultra supercritical(USC) boiler unit is put into commercial operation, some problems often occur including welded joint fracture, heating surface explosion, oxide coating tube-blockage and so on. By comparing the heat load and corresponding materials of various boilers, the early failure and oxide coating exfoliation are analyzed of new type of heat-resistant steels such as T23, T/P92, SUP304H, HR3C, etc. In addition, the countermeasures are proposed, providing references for improving the safety and reliability in manufacture, installation and operation of the USC boilers. |
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| Keywords: | USC units boilers new type of heat-resistant steels early failure oxide coating exfoliation |
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