Abstract
The degree of uniformity of distribution in the mixture of components largely determines the qualitative characteristics of the product prepared from it. For dry mixing of components, the use of horizontal blade mixers is quite widespread in enterprises of various industries. In the competitive conditions of the operation of enterprises, it becomes necessary to develop technical solutions that allow to increase the efficiency of operating mixing equipment at enterprises in the conditions of planned repair measures. Possibility of increasing degree of homogeneity of fine-grained mixture in horizontal blade mixer when through slot holes are made in blades is considered. Using a known software product, imitated simulations of dry mixing processes of two fine-grained components in models of a mixer body with different blade designs are performed. To study the mixing process, the method of mathematical planning of the experiment is used. Researches of obtained regression dependence characterizing change of coefficient of heterogeneity of two-component dry mixture depending on number of slit holes and their width are carried out, areas of rational values of studied parameters are established. State of mixture in mixer housings is compared with slotted holes in blades and without holes. It has been found that with steady state mixing processes, the mixture in the mixer body model with slotted holes in the blades has a more uniform particle distribution. The heterogeneity factor characterizing the quality of this mixture is less than that of the mixture in the model of a body with blades without holes.
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