某电厂T91过热器管爆管原因分析 |
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引用本文: | 李红,;曹芳娣.某电厂T91过热器管爆管原因分析[J].机械制造与自动化,2014(4):143-145. |
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作者姓名: | 李红 ;曹芳娣 |
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作者单位: | [1]南京顺风—派尼尔空气和气体净化设备有限公司,江苏南京211178; [2]南京五洲制冷集团有限公司,江苏南京211000 |
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摘 要: | 通过对某电厂660MW机组燃煤锅炉T91过热器爆管进行宏观、金相、力学分析,发现爆管金相组织为不完全正火组织,力学性能低于标准值,认为原始管材存在严重的组织缺陷是发生爆管的主要原因。
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关 键 词: | T91 过热器 爆管 弯头 正火 |
Analysis of Tube Blasting Cause of Superheater of Power Boiler |
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Affiliation: | LI Hong, CAO Fangdi ( 1. Nanjing Shunfeng--Pioneer Air & Gas Purification Co., Ltd., Nanjing 211178, China; 2. Nanjing Wuzhou Refrigeration Group Co., Ltd., Nanjing 2111)00, China) |
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Abstract: | This paper analyzes the macrograph,metal og raph and dynamics of the tube blasting of superheater of a power boiler,to observe that the microstructure of blasting tube is not ful y normalized one and its mechanical performance is lower than the standard values, so that the original microstructure defects are regarded as the reason of superheater tube blasting. |
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Keywords: | T91 superheater tube blasting elbow tube normalizing |
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