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https://open.uns.ac.rs/handle/123456789/1514
Title: | The joint mixing action of the static pre-mixer and the rotating drum mixer – Discrete element method approach | Authors: | Pezo L. Pezo M. Jovanović A. Čolović, Radmilo Vukmirović, Đuro Banjac, Vojislav Đuragić , Olivera |
Issue Date: | 1-Jul-2018 | Journal: | Advanced Powder Technology | Abstract: | © 2018 The Society of Powder Technology Japan In this study, the mixing performance of coupled mixing action of the Komax static mixer (which is used as a pre-mixer) and rotating drum (applied as the final mixer) was explored in the maize meal mixing operation. The main objective of this paper was to predict the behaviour of the previously grinded maize particles, during the mixing process in static mixer and drum mixer, and to explore the possibilities to shorten the mixing time in the main mixer (in order to reduce the energy consumption). Three different experiments were performed: in the first experiment, possibilities of static mixer were explored, second experiment showed the mixing performance of rotating drum, and the combination of these two mixing devices was investigated in the third experiment. Homogeneity of the obtained mixtures was determined experimentally, by the “Microtracers” method. The Discrete Element Method was used for modelling of granular flow in the pre-mixing and final mixing applications, and to predict the inter-particle mixing quality within a static mixer and the rotating drum mixer. The results of the numerical simulation are compared with appropriate experimental results. The possible industrial application of this model could be the optimization of parameters of mixing systems taking into account the quality and the duration of the mixing process. | URI: | https://open.uns.ac.rs/handle/123456789/1514 | ISSN: | 09218831 | DOI: | 10.1016/j.apt.2018.04.008 |
Appears in Collections: | FINS Publikacije/Publications |
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