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- W4224249809 abstract "The vertical roller mill (VRM) is commonly used for secondary and tertiary crushing processes in numerous industries. In this study, the discrete element method (DEM) was employed to explore the crushing in an overflow VRM without air involved via the bonded-particle model (BPM). Particle crushing experiments on a laboratory-scale VRM were compared with simulated results and good agreement was obtained indicating the accuracy of the numerical model. Then, effects of the material properties and the operating conditions on the overflow VRM performance were systematically investigated. It was found that trends in the particle size distribution of product and changes in throughput and crushing rate could be identified with alterations in material properties and the operating conditions. These two aspects are of great significance to the equipment performance. By increasing the rotation, the residence time decreases, which helps increase the throughput. However, this will lead to a higher proportion of coarse level particles in the finished products. The crushing behavior of materials is related to their physical size as well as sphericity. The research on the crushing characteristics of VRM is effective in optimizing the process and operation parameters of the crushing equipment." @default.
- W4224249809 created "2022-04-26" @default.
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- W4224249809 date "2022-05-01" @default.
- W4224249809 modified "2023-10-14" @default.
- W4224249809 title "Analysis of vertical roller mill performance with changes in material properties and operating conditions using DEM" @default.
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- W4224249809 doi "https://doi.org/10.1016/j.mineng.2022.107573" @default.
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