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首页> 外文期刊>Archives of Hydro-engineering and Environmental Mechanics >The Method of Calculations of the Sedimentation Efficiency in Tanks with Lamella Packets
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The Method of Calculations of the Sedimentation Efficiency in Tanks with Lamella Packets

机译：带有薄片包装的储罐中沉淀效率的计算方法

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The paper outlines a method to determine the sedimentation efficiency in modernized tanks with incorporated lamella packets. The method takes into account the properties of the suspension (density, viscosity, solid phase distribution) and tank design parameters - flow intensity and settling surface. Several types of grain size distributions are considered: the log-normal distribution and generalised gamma distribution. The sedimentation efficiency is investigated in relation to the ratio of tank filling with lamella packets. The lamella ring width in a round Dorr clarifier is taken as an example. The analysis is performed by way of computer simulations. The applied calculation procedure was extensively verified in laboratory tests, pilot tests and industrial-scale tests (Kowalski 2000) and the obtained results were regarded as satisfactory. The error involved in calculations of the sedimentation efficiency is less than 0.05 when the efficiency value exceeds 0.8.
机译：本文概述了一种确定带有集成薄片包的现代化水箱中沉降效率的方法。该方法考虑了悬浮液的特性（密度，粘度，固相分布）和罐设计参数-流动强度和沉降表面。考虑了几种类型的晶粒尺寸分布：对数正态分布和广义伽玛分布。研究沉降效率与薄板包装罐填充比例的关系。以圆形多尔澄清池中的薄片环宽度为例。通过计算机模拟进行分析。应用的计算程序在实验室测试，中试测试和工业规模测试中得到了广泛验证（Kowalski 2000），获得的结果被认为是令人满意的。当效率值超过0.8时，沉降效率计算中涉及的误差小于0.05。

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