摘要
针对某厂采用EI-DRB型燃烧器的1025t/h锅炉稳燃能力差的问题,在径向浓淡燃烧器的基础上,提出了浓淡旋流煤粉燃烧器结构。1号锅炉下层燃烧器采用浓淡旋流煤粉燃烧器后,解决了锅炉稳燃能力差的问题。在1号锅炉小修期间,发现浓淡燃烧器的中心扩锥磨损严重,但没有发生影响运行的现象。在浓淡旋流煤粉燃烧器的基础上,提出了中心给粉旋流煤粉燃烧器,彻底避免了中心扩锥的磨损问题。2号锅炉下层燃烧器采用中心给粉燃烧器后,解决了锅炉存在稳燃能力差的问题,并且NOx排放量有所降低。
Aiming at the want of combustion stability of a certain plant＇s 1.025t/h boiler, which is equipped with EIDRB type combustors, the construction of a biased combustion swirling pulverized coal burner has been developed on the basis of biased combustion burners. After the bottom row burners of boiler No. 1 had been exchanged for biased combustion swirling pulverized coal burners, the boiler＇ s problem of unstable combustion was solved. But during a minor overhaul of boiler No. 1, it was found that the central blunt body of the new burner had been seriously abraded, but without having had affected operation. On the basis of biased combustion swirling pulverized coal burners, a centrally fed swirling pulverized coal burner was then proposed, which eventually solved the problem of the blunt body＇s abrasion. The unstable combustion problem of boiler No.2 was also solved after centrally fed swirling pulverized coal burners were mounted in the boiler＇s bottom row; NOx emission was somewhat reduced simultaneously. Figs 6, tables 2 and refs 9.
出处
《动力工程》
EI
CSCD
北大核心
2005年第5期618-622,共5页
Power Engineering
基金
2004年度教育部新世纪优秀人才支持计划基金
2005年度黑龙江省科技攻关项目(GC05A314)
关键词
动力机械工程
锅炉
旋流燃烧器
空气动力场
工业实验
power and mechanical engineering
boiler
swirling burner
aerodynamic flow field
industrial experiment
