某电厂锅炉煤粉喷口扩散器烧损原因分析  

The Cause Analysis Of Burning Failure Of Pulverized Coal Nozzle Diffuser In a Power Plant

作　　者：张丛生[1] 李冬冬[1] 李红[1] ZHANG Cong-sheng;LI Dong-dong;LI Hong(State Key Laboratory of Efficient and Clean Coal-fired Utility Boilers(Harbin Boiler Company Limited),Harbin 150046,China)

机构地区：[1]高效清洁燃煤电站锅炉国家重点实验室(哈尔滨锅炉厂有限责任公司),黑龙江哈尔滨150046

出　　处：《锅炉制造》2020年第6期54-56,共3页Boiler Manufacturing

摘　　要：本文对某电厂锅炉煤粉喷口扩散器的样品进行了试验分析,主要包括化学成分分析,金相分析,SEM检测和EDS分析,维氏硬度检测,综合分析找出煤粉扩散器烧损严重和减薄的主要原因。In this paper, the samples of pulverized coal burner diffuser in a power plant are tested and analyzed, mainly including chemical composition analysis, metallographic analysis, SEM detection, EDS analysis, Vickers hardness detection, comprehensive analysis to find out the main reasons for the serious burning loss and thinning of pulverized coal diffuser.

关 键 词：煤粉喷口扩散器 烧损变形 减薄磨损 热辐射 

分 类 号：TK229[动力工程及工程热物理—动力机械及工程]