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Cause Analysis and Countermeasures against Pipeburst of Moderate Temperature Reheater of 1 025t/h Boiler in a Power Plant
Author(s): 
Pages: 100-105
Year: Issue:  11
Journal: Guangdong Electric Power

Keyword:  电厂锅炉中温再热器管爆管分析显微组织;
Abstract: 针对某电厂1 025 t/h锅炉中温再热器爆管的情况,时中温再热器管爆口取样进行宏观、微观分析和组织球化评级,发现弯管的向烟侧组织普遍严重球化,且爆口处金相组织中已出现大量碳化物聚集在晶界上.根据对现场运行工况的调查研究,以及爆管特性的比较,认定中温再热器管长期超温运行是造成其爆管的根本原因.针对此,提出了改进对策和预防措施.
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