Ural State Mining University (Ekaterinburg, Russia):

Morozov Yu. P., Professor, Doctor of Engineering Sciences, tails2002@inbox.ru
Bekchurina E. A., Associate Professor, Candidate of Engineering Sciences, efalej@yandex.ru

Institute of Metallurgy and Ore Benefication (Almaty, Republic of Kazakhstan):

Abdykirova G. Zh., Leading Researcher, Candidate of Engineering Sciences, abdgul@mail.ru
Dyusenova S. B., Leading Engineer, dusenova_s@mail.ru

Flotation classification process intensification is accomplished with a view to increase flotation and hydraulic classification efficiency, as well as to improve process automation. The results of the flotation classifier aerating regime optimization studies are presented. Pulp aeration efficiency in flotation classifier by electrolysis gases is shown, air dispersers of new designs are proposed. Efficient secondary concentration of minerals in froth is provided by means of froth product concentration in tapered chutes of flotation classifiers. The examples of application of flotation classifiers with tapered chutes for treatment of hematite ore processing tailings and Zhezkazgan concentrating plant tailings are presented. In order to increase hydraulic classification efficiency, starting material feed through tangential inlet in flotation classifier is provided. Flotation classification sands discharge optimization is accomplished. An automation system providing for discharge of sands fraction with specified solids content from bed layer formed on flotation classifier’s bottom was developed.

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4. Meshcheryakov N. F., Knaus O. M. Flotogravitational beneficiation in screw separators. Tsvetnaya Metallurgiya. 1963. No. 19. pp. 18–19.
5. Morozov Yu. P., Abdykirova G. Zh., Faley E. A., Dyusenova S. B. Investigation of regularities and full-scale testings of flotation classification of ores and tails. Tsvetnye Metally. 2016. No. 6. pp. 29–37.
6. Morozov Yu. P. Theoretical justification and development of new methods and apparatus for extracting finegrained precious metals from ores. Dissertation for the degree of Doctor of Engineering Sciences. Ekaterinburg, 2001. 397 p.
7. Chegeni M. H., Abdollahy’ M., Khalesi M. R. Column flotation cell design by drift and axial dispersion models. International J. of Mineral Processing. 2015. Vol. 145. pp. 83–86.
8. Vadlakonda B., Mangadoddy N. Hydrodynamic study of multi-phase flow of column flotation using electrical resistance tomography coupled with pressure transducers. XXVIII IMPC. Quebec, Canada, 2016. Paper ID: 1089. 11 p.
9. Ireland P., Cunningham R., Jameson G. J. The behavior of wash water injected into a froth. International J. of Mineral Processing. 2007. Vol. 84, Iss. 1–4. pp. 99–107.
10. Ledyan Yu. P., Shcherbakova M. K., Bessolova L. V. Current status and development of minerals secondary concentration in foam layer. Collected papers of XVI International Scientific Conference «Land, water and climate of Siberia and the Arctic in the XXI century: challenges and solutions». Tyumen, 2014. pp. 137–140.
11. Fadeeva N. V. Increase of selectivity of graphite flotation due to intensification of secondary beneficiation processes in the froth layer. Author's abstract of dissertation for the degree of Candidate of Engineering Sciences. Magnitogorsk, 2003. 19 p.
12. Vavilov V. L. Investigation of the process of mineral particles secondary selection in column apparatus with a descending pulsed-air flow. Author's abstract of dissertation for the degree of Candidate of Engineering Sciences. Irkutsk, 2006. 16 p.
13. Pat. 2548866 Russian Federation.
14. Morozov V. V., Shek V. M., Morozov Yu. P., Delgerbat L. Improving the intelligent methods of management of processes of enrichment on the basis of visiometrics analysis of the grade of the ore. Gornye Nauki i Tekhnologii. 2016. No. 2. pp. 31–42.
15. Orlov S. L. Intensification of the flotation process in the centrifugal field. Ekaterinburg: Publ. OOO «Fort Dialog-Iset», 2016. 55 p.