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热力发电  2014 

循环流化床锅炉外置换热器换热系数计算与分析

, PP. 65-68

Keywords: cfb锅炉,外置换热器,换热系数,模型计算

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Abstract:

对实际运行的210mw循环流化床(cfb)锅炉外置换热器(ehe)的换热系数进行了计算分析,得到ehe内受热面换热系数的实际值。通过将实际换热系数与采用文献中的模型计算结果进行比较,证明可以用已有的传热计算模型较为准确地计算ehe内受热面的换热系数,计算精度满足工业应用,为大型cfb锅炉的ehe工程设计提供了实际应用数据和具体通用的换热系数计算方法。

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