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针对单杂质间歇用水网络中的新鲜水消耗量最小化问题,本文建立了基于连续时间的优化模型,用于废水直接回用的用水调度优化,并提出了操作周期长度调优的方法。目的在于通过调度优化增加废水回用机会以提高用水系统的废水回用率。采用GAMS软件对所建立的MINLP模型进行求解。研究表明:本文的数学优化模型能够有效地提高单杂质间歇用水过程的废水回用率并具有最优的操作周期长度。通过2个实例阐明了本文优化方法的有效性。
In order to minimize the consumption of fresh water in single-impurity intermittent water network, an optimization model based on continuous time is established in this paper. It is used to optimize the water reuse for direct wastewater reuse and proposes a method to optimize the operation cycle length. The purpose is to increase wastewater reuse opportunities through scheduling optimization to improve wastewater reuse in water systems. The established MINLP model is solved by GAMS software. The results show that the mathematical optimization model in this paper can effectively improve the reuse rate of wastewater with single impurity intermittent water treatment and has the best operating cycle length. The effectiveness of the optimization method in this paper is illustrated by two examples.