Deposition of cement kiln ash on the tubes of waste heat recovery boiler

被引：0
|
作者：
Wang, Yufeng [1 ]
Hu, Chunyun [1 ]
Hui, Shi'en [1 ]
Zhao, Qinxin [1 ]
Zhou, Qulan [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian, Shaanxi, Peoples R China
来源：
2011 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2011年
关键词：
cement kiln ash; ash deposit; heat recovery; tube arrangement; POWER-PLANT; FLY-ASH;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Deposition of cement kiln ash on the tubes of heat recovery boiler affects the heat exchange efficiency. The basic characteristic of cement kiln ash and the deposition on the tubes with different arrangements are presented. Numerical simulation and experiment measurement show that flow field feature, especially the low-velocity zone and vortex street, causes different shape of ash deposit around the tube. The effect of ash concentration, tube arrangement and gas velocity on the deposition is analyzed. The effect of the tube diameter and the gas composition is also discussed.
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页数：4
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