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化工学报  2014 

板式换热器铁细菌生物污垢特性的实验分析

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Keywords: 板式换热器,传热,铁细菌,生物膜,沉积物,污垢特性

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Abstract:

为探讨铁细菌在板式换热器里的污垢规律,本文对不同流速、温度及浓度下铁细菌在板式换热器内的污垢特性进行了实验研究。结果表明:随着流速的增加,铁细菌的污垢热阻渐近值逐渐减小;随着温度的升高,铁细菌的结垢诱导期明显缩短,结垢速率加快,污垢热阻的渐近值呈减小的趋势;而随着浓度的增加,污垢热阻值呈现明显幅度的增长。

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