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化工学报  2014 

再生循环水系统引入再生过程后夹点位置

DOI: 10.3969/j.issn.0438-1157.2014.06.031, PP. 2179-2185

Keywords: 水夹点,再生,循环,图示法,整体优化

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Abstract:

引入再生循环的最优水系统可以最大限度地节约新鲜水的用量和减少废水的排放,是当前节水技术研究的重点。用水系统引入再生过程后,极限供水线会发生变化,从而水系统夹点个数以及位置都可能会发生变化。运用前人总结出的再生循环过程最佳供水线的构造方法,分析影响引入再生过程后夹点位置变化的因素,发现引入再生过程前后夹点位置的变化情况与以下因素有关:极限复合曲线上的凹点位置以及凹向极限供水线的程度和最高浓度用水单元水流率与新鲜水流率的关系,并分析得出夹点位置的变化规律,从而为用水网络的分析和设计提供理论性的指导。

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