Structuring of Batch Mixer Loading to Improve Mixing Time and Mixture Quality of Solids

Abstract : A simple yet informative model was built to estimate the influence of the initial distribution of dissimilar particulate solids to be mixed on the mixing time and mixture quality, and a way was searched to reduce the negative influence of segregation on the mixing process. The influence of segregation is particularly strong when it is necessary to mix a small amount of a key component with a large amount of a basic one. It is shown that the mixing time and mixture quality can be noticeably improved by introducing a premixing stage that consists in loading the key component in layers distributed over the basic component. A possible technical solution for such loading is also proposed. Experimental tests of such lab‐scale vibration mixer proved its efficiency.
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Vadim Mizonov, Ivan Balagurov, Henri Berthiaux, Cendrine Gatumel. Structuring of Batch Mixer Loading to Improve Mixing Time and Mixture Quality of Solids. Chemical Engineering and Technology, Wiley-VCH Verlag, 2018, 41 (8), ⟨10.1002/ceat.201700505⟩. ⟨hal-01802449⟩

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