The choice of the optimum pump station aggregates structure of pipeline systems while designing and reconstructing
DOI:
https://doi.org/10.15587/2312-8372.2015.44779Keywords:
design, reconstruction, criterion, pipeline systems, pumping station, method, optimal selectionAbstract
The optimal selection of the structure of pump station aggregates in the process of design and reconstruction is considered. The task is formulated and the method of solution is presented. The minimum amount of capital and operating costs at the pump station during the entire project period is used as an optimization criterion. The talk of optimal selection of the structure of pump station aggregates is one of the most important tasks in optimal design of piping systems. To ensure the design values of operating parameters at the output of each projected pump station it is necessary to choose the structure of pump aggregates so that to reach the minimum amount of capital and operation costs during the entire project period. After solving the task the resulting recommendations on the pumping equipment structure of the designed pumping station should not only ensure the controllability of the pipeline network flux-distribution but also deliver the minimum amount of capital and energy costs. The method of simulation was used to solve this task. The procedure of the automated selection of pumping station equipment based on the generation of different structures engaging regulated and non-regulated pumps was developed and as a result of data processing of the ranges of different types of pumps it allows selecting the most cost-efficient pump station structure to ensure specified design values of daily schedule changes of feeding and pressure at the output. The method of branches and boundaries was used as the optimization method. A great number of received results of modeling existing pump stations of water supply and calculation of their optimal regimes has shown that to ensure a smooth feed control of pumping station in the whole range of its consumption it is enough, as a rule, to equip with a variable speed drive only one the most powerful pump unit.References
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Copyright (c) 2016 Сергей Васильевич Дядюн, Лариса Васильевна Нестеренко
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