Influence Factors and Protective Measures of Oxide Scale Growth and Exfoliation of High Temperature Heat-Absorbing Surface for Supercritical (Ultra-Supercritical) Boilers
摘 要
综合阐述了超(超)临界锅炉高温受热面奥氏体不锈钢管蒸汽侧氧化皮产生与剥落的机理,重点分析了奥氏体不锈钢氧化皮产生与剥落的影响因素,指出影响因素主要有铬含量、晶粒度、蒸汽参数、蒸汽中氧含量、机组运行时间等,并在防止氧化皮产生与剥落方面提出了几点建议,为锅炉设计及运行方面提供参考。
Abstract
The mechanisms of oxid scale growth and exfoliation of high temperature heat-absorbing surface of austenitic stainless steel tubes exposed to steam for supercritical and ultra-supercritical boilers were described. The influence factors of oxide scale growth and exfoliation of austenitic stainless steels were emphatically analyzed. They mainly included chromium content, grain size, steam parameters, oxygen content in the steam, running time of the unit and so on. Some suggestions to prevent oxide scale growth and exfoliation were put forward, which could provide reference for boiler design and operation.
中图分类号 TK224.9 DOI 10.11973/lhjy-wl201710008
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收稿日期 2016/8/19
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备注魏力民(1986-),男,工程师,硕士,主要从事高温材料的研究与开发工作,beyond4650@163.com
引用该论文: WEI Limin,LIU Chao,CHENG Yi,TAN Shuping. Influence Factors and Protective Measures of Oxide Scale Growth and Exfoliation of High Temperature Heat-Absorbing Surface for Supercritical (Ultra-Supercritical) Boilers[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2017, 53(10): 731~736
魏力民,刘超,程义,谭舒平. 超(超)临界锅炉高温受热面氧化皮产生与剥落的影响因素及防护措施[J]. 理化检验-物理分册, 2017, 53(10): 731~736
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参考文献
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【8】马强,梁平,杨首恩,等.TP347H钢高温水蒸气氧化研究[J].材料热处理学报,2009,30(5):172-176.
【9】FRY A, OSGERBY S, WRIGHT M. Oxidation of alloys in steam environments:A review[R]//NPL Report MATC(A)90.[S.l.]:NPL Materials Centre, 2002:28-31.
【10】赵建仓,张锦飞.结晶粒度对奥氏体不锈钢的蒸汽氧化特性的影响[C]//超(超)临界锅炉用钢及焊接技术论文集.苏州:[出版者不详],2005:227-230.
【11】PENG X, YAN J, ZHOU Y, et al. Effect of grain refinement on the resistance of 304 stainless steel to breakaway oxidation in wet air[J]. Acta Materialia, 2005, 53(19):5079-5088.
【12】TRINDADE V B, KRUPP U, HANJARI B Z, et al. Effect of alloy grain size on the high-temperature oxidation behavior of the austenitic steel TP 347[J]. Materials Research, 2005, 8(4):371-375.
【13】李铁藩.金属晶界在高温氧化中的作用[J].中国腐蚀与防护学报,2002,22(3):180-183.
【14】李志刚.火电厂超临界机组对流受热面管材高温氧化研究-材料[C]//电厂化学2009学术年会暨中国电厂化学网高峰论坛论文集.武汉:CSEE & TPRI, 2009:5-10.
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【17】黄兴德,周新雅,游喆,等.超(超)临界锅炉高温受热面蒸汽氧化皮的生长与剥落特性[J].动力工程,2009,29(6):602-608.
【18】李辛庚,傅敏,何家文.喷丸对TP304H钢高温水蒸气氧化行为的作用[J].材料科学与工艺,2004,12(3):253-257.
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