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Experience in the Design and Reliable Operation of Ore-Pulp Precessional Mixers for Large-Volume Process Tanks

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Abstract

The advantages of special smooth-wall apparatuses equipped with precession stirrers compared to typical process tanks equipped with the stiff shafts of stirrers have been shown. A one-dimensional mathematical model has been considered for describing the rotary velocity field and calculating the hydrodynamic loads used during the design of large-volume precession apparatuses for mixing ore pulps. The validity of the model has been confirmed experimentally using the literature data and a positive experience in the long-term operation of process tanks that are 50–1250 m3 in volume, which are designed for the dealkalization of high concentrations of ore suspensions of noble metals.

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Authors and Affiliations

  1. St. Petersburg State Technological Institute (Technical University), St. Petersburg, 190013, Russia

    I. V. Domanskii

  2. JSC Polymetal Engineering, St. Petersburg, 198216, Russia

    A. I. Mil’chenko, Yu. V. Sargaeva, S. A. Kubyshkin & N. V. Vorob’ev-Desyatovskii

Authors
  1. I. V. Domanskii
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  2. A. I. Mil’chenko
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  3. Yu. V. Sargaeva
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  4. S. A. Kubyshkin
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  5. N. V. Vorob’ev-Desyatovskii
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Correspondence to N. V. Vorob’ev-Desyatovskii.

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Original Russian Text © I.V. Domanskii, A.I. Mil’chenko, Yu.V. Sargaeva, S.A. Kubyshkin, N.V. Vorob’ev-Desyatovskii, 2017, published in Teoreticheskie Osnovy Khimicheskoi Tekhnologii, 2017, Vol. 51, No. 6, pp. 687–699.

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Domanskii, I.V., Mil’chenko, A.I., Sargaeva, Y.V. et al. Experience in the Design and Reliable Operation of Ore-Pulp Precessional Mixers for Large-Volume Process Tanks. Theor Found Chem Eng 51, 1030–1042 (2017). https://doi.org/10.1134/S0040579517060021

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