压力容器2012，Vol.29Issue(4)：68-71,4.DOI:10.3969/j.issn.1001-4837.2012.04.011
300MW电站锅炉后屏过热器爆管原因分析和对策
Rupture Causes Analysis and Countermeasures on Rear Platen Superheater Tube of 300 MW Power Station Boiler
黎小秋 1赵康文 1唐囡 1何可龙1
作者信息
- 1. 江西省电力科学研究院,江西南昌330096
- 折叠
摘要
Abstract
Based on the experimental data, an failure analysis about the causes of the dissimilar steel weld joints rupture in the rear platen superheater tube of a large power plant boiler has been done. The results demonstrated that the enriched carbon layers around the melting line, residual stress and stress concentration leads to a premature failure of the dissimilar steel weld joints, and the retrofitting measures are introduced to ensure the safe operation of the power station boiler. At the same time, it can also supply references to the failure analysis of the similar structure boiler heating tubes.关键词
电站锅炉/后屏过热器/异种钢焊缝/爆管/失效分析Key words
power station boiler/rear platen superheater tube/dissimilar steel weld joints/tube rupture/failure analysis分类
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黎小秋,赵康文,唐囡,何可龙..300MW电站锅炉后屏过热器爆管原因分析和对策[J].压力容器,2012,29(4):68-71,4.
