By using Fluent software,the resistance in hot secondary air duct of a 1 000 MW unit boiler manufactured in Dongfang Boiler Group was numerically studied.Several factors,such as the 90°elbow at the preheater outlet,the horizontal transition segment,the uneven velocity distribution around the front and back wall and the branches,were considered as the major reasons for the large resistance in the original hot secondary air duct.Against this problem,a series of detailed improvement measures were put forward,l...
【更新日期】
2017-02-17
【分类号】
TM621.2
【正文快照】
CHEN Nianzhe1,ZHU Quanli 1,HU Guoming1,ZHONG Yi 2,JIA Yan2(1.School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China;2.Central South Electric Power Design Institute,Wuhan 430071,China)锅炉烟风管道系统风机总耗电率达2%左右,占厂用电率?
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