Numerical calculation of the temperature field of membrane waterwall in burner zone of 600MW supercritical boiler

被引：0
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作者：
Li, Chun-Yan
Yan, Wei-Ping
Liang, Xiu-Jun
Huang, Jing-Li
机构：
[1] Department of Mechanical Engineering, North China University of Electric Power, Baoding 071003, China
[2] MOE's Key Lab of Power Equipment's State Monitoring and Control, College of Energy and Power Engineering, North China University of Electric Power, Baoding 071003, China
[3] Shanxi Electric Power Research Institute, Taiyuan 030001, China
来源：
Dongli Gongcheng/Power Engineering | 2008年 / 28卷 / 05期
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摘要：
The temperature fields of the membrane waterwall in burner zone of a 600MW boiler under different supercritical conditions are analyzed and calculated based on finite-element method. Bilinear quadrilateral is used in meshing the temperature field of the waterwall. Heat-flux density of the fire-facing side is sectionalized and calculated. The temperature of the working medium and the heat transfer coefficient in the tube are determined based on the actual temperature and pressure of the inlet medium and outlet medium of the waterwall. The temperature distributions of the waterwall under different supercritical working conditions are calculated. The cause of waterwall overheat is analyzed. The calculated results are compared with the measured values, and the error is small.
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页码：677 / 681
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