OPTIMIZINGAND ADJUSTMENTOF PARAMETER OF THEDISCHARGE OF WASTEWATER SUE "LENOBLVODOKANAL TIKHVIN" ON THE BASIS OF MATHEMATICAL MODELING

Automation and modeling in design and management of Pub Date : 2019-04-09 DOI:10.30987/ARTICLE_5C9B8B2B779301.35883796

Андрей Епифанов, A. Epifanov, Павел Гашин, P. Gashin

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Abstract

The description of the process and treatment facilities GUP "LenoblmolokoTikhvin". A mathematical model of the convective-diffusive transport and transformation of pollutants for the river Tikhvinka in the area of wastewater sue "LenoblmolokoTikhvin". The obtained two-dimensional stationary equation of convective-diffusion transfer of a nonconservative impurity is solved by the finite difference method. According to the developed model, the calculation of the anthropogenic load exerted by the water channel on the Tikhvinkariver was carried out with three variants of the design of the scattering water outlet for the following pollutants: ammonium-ion, nitrate-ion, nitrite-ion and phosphorus total. The maximum concentration of pollutants in the control range and the degree of mixing of pollutants were chosen as criteria for choosing the optimal design. According to the results of mathematical modeling it is shown that the optimal design of the scattering outlet consists of 7 scattering nozzles with a diameter of 200 mm, providing a reduction of the maximum concentrations in the control section by 12% compared to the scattering outlet with 4 drainage pipes.

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在数学建模的基础上，对“lenoblvodokanal tikhvin”污水排放参数进行了优化与调整

GUP“LenoblmolokoTikhvin”的工艺和处理设施的描述。“LenoblmolokoTikhvin”污水区Tikhvinka河对流扩散输送和污染物转化的数学模型。用有限差分法求解了非保守杂质对流扩散传递的二维平稳方程。根据所建立的模型，计算了季赫文克河的人为负荷，并对氨离子、硝酸盐离子、亚硝酸盐离子和总磷等污染物进行了三种不同的散射出水口设计。以控制范围内污染物的最大浓度和污染物的混合程度作为选择最优设计的标准。数学建模结果表明，散射出口由7个直径为200 mm的散射喷嘴组成的优化设计，使控制段的最大浓度比4根排水管的散射出口降低了12%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Automation and modeling in design and management of

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