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为了研究搅拌槽的功率及其影响因素,分别采用Bachjbhob算图、永田进治公式、流场数值模拟的方法计算搅拌槽功率。首先采用Mixsim软件建立搅拌槽模型,然后将其导入至FLUENT软件中进行三维流场模拟分析,最后通过Mixsim软件计算搅拌槽的功率,并且对影响其功率的因素进行分析。分析结果表明:3种功率计算方法的结果基本一致;在一定的范围内,随着搅拌槽的浆叶宽度、数量的增加,浆叶角度的增大,搅拌槽的功率也随之增大,液层高度对其功率影响较小。
In order to study the power of stirred tank and its influencing factors, the power of stirred tank was calculated by using Bachjbhob diagram, Nagata governing equation and flow field numerical simulation respectively. First, Mixsim software was used to establish a stirred tank model, which was then imported into FLUENT software for three-dimensional flow field simulation analysis. Finally, Mixsim software was used to calculate the power of the stirred tank, and the factors affecting its power were analyzed. The analysis results show that the results of three kinds of power calculation methods are basically the same. Within a certain range, with the increase of blade width and number of stirring tank and the increase of blade angle, the power of stirring tank also increases, The height of the liquid layer has little effect on its power.