Abstract
Ball mills are widely used for dispersion of materials in various industries, as they are characterized by ease of maintenance, operation and sufficiently high performance. To improve the process of inner-chamber classification of coarse-ground material, a new construction of the classifying partition with blades having cylindrical screening surfaces is proposed. The aim of the research is to substantiate the effectiveness of the application of the developed construction of the classifying partition in an industrial ball mill. The tasks of the research are to study the effectiveness of the developed construction of the classifying partitions on industrial ball mill. The tasks are solved of constructing and analyzing a regression equation that adequately describes the efficiency of the process of classifying coarse material with a cylindrical sieving surface depending on variable factors, determining rational areas of their values; comparing the efficiency of using blades with cylindrical and flat screening surfaces for inner-chamber classification of coarse material; confirmation of the possibility of providing the developed classifying partition with the mass productivity necessary for the operation of the mill. In the course of the work, the methods of simulation and mathematical modeling were used. As a result of the study, the efficiency of using a classifying partition with blades with cylindrical screening surfaces of a ball mill D×L=2×10,5 is substantiated.
Highlights
Ball mills are widely used for dispersion of materials in various industries, as they are characterized by ease of maintenance, operation and sufficiently high performance
The aim of the research is to substantiate the effectiveness of the application of the developed construction of the classifying partition in an industrial ball mill
The tasks of the research are to study the effectiveness of the developed construction of the classifying partitions on industrial ball mill
Summary
ПОВЫШЕНИЕ ЭФФЕКТИВНОСТИ ПРОЦЕССА КЛАССИФИКАЦИИ МАТЕРИАЛА В КЛАССИФИЦИРУЮЩЕЙ ПЕРЕГОРОДКЕ ШАРОВОЙ МЕЛЬНИЦЫ** Исследование процесса классификации грубомолотого материала в классифицирующей перегородке шаровой мельницы D×L = 2×10,5 м осуществлялось в программной среде EDEM, широко используемой для симуляции различных технологических процессов [1417].
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