废热锅炉系统蒸发器支撑板异常断裂的失效分析
Failure Analysis on Abnormal Fracture of Support Plates of Evaporator in Waste Boiler System
摘 要
为解决某公司废热锅炉系统蒸发器支撑板发生严重腐蚀断裂失效的问题, 对支撑板的材质、运行工况、宏微观形貌等进行了分析, 并提出了针对性的解决方案。结果表明: 短时超高温引起的高温氧化腐蚀是导致该支撑板发生严重腐蚀断裂的根本原因。
蒸发器
高温腐蚀
失效分析
support plate
evaporator
high-temperature corrosion
failure analysis
Abstract
In order to solve a failure incident about severe fractures on the support plates of an evaporator, researches involving matrix material, operation conditions and macro and micro morphology were carried out, and relevant countermeasures were put forward as well. The results show that the high-temperature oxidation corrosion resulted from short time excess temperature was the root cause of the plate failure.
中图分类号 TB304
所属栏目 物理模拟与数值模拟
基金项目 国家自然科学基金资助项目(51273044); 上海市质量技术监督管理局项目(2012-54)
收稿日期 2013/5/15
修改稿日期 2014/4/2
网络出版日期
作者单位点击查看
备注马越跃(1987-), 男, 浙江东阳人, 硕士研究生。
引用该论文: MA Yue-yue,YANG Yu-qing,TANG Chen-huai,WANG Sheng-hui,HU Shi-meng,YANG Zhen-guo. Failure Analysis on Abnormal Fracture of Support Plates of Evaporator in Waste Boiler System[J]. Materials for mechancial engineering, 2014, 38(5): 104～108
马越跃,杨宇清,汤陈怀,王胜辉,胡诗萌,杨振国. 废热锅炉系统蒸发器支撑板异常断裂的失效分析[J]. 机械工程材料, 2014, 38(5): 104～108
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【2】YAN Shi, CHEN Fei-jun, MA Yue-yue, et al. Failure analysis of un-wetting for the surface finish on the ENIG ［J］.Journal of Failure Analysis and Prevention,2013,13(2):194-201.
【3】YANG Zhen-guo, GONG Yi, YUAN Jian-zhong. Failure analysis of leakage on titanium tubes within heat exchangers in a nuclear power plant-Part I: Electrochemical corrosion ［J］.Materials and Corrosion,2012,63(1):7-17.
【4】GONG Yi, YANG Zhen-guo, YUAN Jian-zhong. Failure analysis of leakage on titanium tubes within heat exchangers in a nuclear power plant. Part II: Mechanical degradation［J］.Materials and Corrosion,2012,63(1):18-28.
【5】CHEN Fei-jun, YAO Cheng, YANG Zhen-guo. Failure ana-lysis on abnormal wall thinning of heat-transfer titanium tubes of condensers in nuclear power plant-part I: Corrosion and Wear ［J］.Engineering Faillure Analysis,2014,37:29-41.
【6】CHEN Fei-jun, YAO Cheng, YANG Zhen-guo. Failure ana-lysis on abnormal wall thinning of heat-transfer titanium tubesof condensers in nuclear power plant-part II: Erosion and Cavitation Corrosion［J］.Engineering Faillure Analysis,2014,37:42-52.
【7】GONG Yi, YANG Zhen-guo. Fracture failure analysis of automotive accelerator pedal arms with polymer matrix composite material［J］.Composites B,2013,53:103-111.
【8】GONG Yi, YANG Chao, YAO Cheng, et al. Acidic/caustic alternating corrosion on carbon steel pipes in heat exchanger of ethylene plant ［J］.Materials and Corrosion, 2011,62(10):967-978.
【9】CAO Jian, GONG Yi, ZHU Kai, et al. Microstructure and mechanical properties of dissimilar materials joints between T92 martensitic and S304H austenitic steels ［J］.Materials & Design,2011,32(5):2763-2770.
【10】GONG Yi, YANG Zhen-guo, YANG Fa-yun. Heat strength evaluation and microstructures observation of the welded joints of one China-Made T91 Steel ［J］.Journal of Materials Engineering and Performance,2012,21(7):1313-1319.
【11】马越跃,严石,杨振国,等.100万千瓦超超临界机组双相不锈钢循环水泵的失效分析［J］.理化检验-物理分册,2013,49(S2):189-194.
【12】杨振国,梅彤.用夹具式SHS 离心机制备陶瓷内衬复合钢管［J］.机械工程材料,2001,25(12):13-16.
【13】杨振国,于志强,金忠告.自蔓延高温合成制备高性能 TiB2复合材料及应用［J］.机械工程材料,2006,29(7):1-3.
【14】李小慧,孙斓珲,杨振国.纳米氧化铝对聚甲醛力学性能及摩擦磨损性能的影响［J］.机械工程材料,2007,31(5):62-65.
【15】A240/A240M-05 Standard specification for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications［S］.
【16】杨照明,韩静涛,刘靖,等.奥氏体耐热不锈钢310S的抗高温氧化性能研究［J］.热加工工艺,2006,35(14):33-34.
【17】GONG Yi, ZHONG Jing, YANG Zhen-guo. Failure analysis of bursting on the inner pipe of a jacketed pipe in a tubular heat exchanger［J］.Materials & Design,2010,31(9):4258-4268.
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