Журналы →  Obogashchenie Rud →  2020 →  №3 →  Назад

Название The use of grinding intensifiers in the processing of iron ores
DOI 10.17580/or.2020.03.01
Автор Mitrofanova G. V., Golubev V. Yu., Chernousenko E. V., Matveeva E. V.
Информация об авторе

Mining Institute of Kola Scientific Centre of RAS (Apatity, Russia):

Mitrofanova G. V., Leading Researcher, Candidate of Engineering Sciences, atletik-2010@yandex.ru

Chernousenko E. V., Researcher


Polyplast North-West LLC (Kingisepp, Russia):
Golubev V. Yu., Technical Director, Candidate of Engineering Sciences, tehdir@ppnw.ru
Matveeva E. V., Head of Mining Direction, rop@ppnw.ru


Grinding is the most energy-intensive process in the ore processing chain. The issue of its intensification is especially urgent in the processing of iron ores, characterized by high strength. A known way to increase the efficiency of ore reduction is to use surfactant additives in grinding. This paper presents a study on the effects of grinding intensifiers (by Poliplast Severo-Zapad), widely used in other areas of technology, on the grinding of iron-bearing ores, processed mainly by magnetic separation that eliminates the possible negative effects of surfactants, for example, on flotation processes. The study was conducted using two samples of iron-bearing ores processed at the Olcon concentrator. The grinding intensifiers tested were represented by the commercially available low molecular weight carboxylic acids, esters, medium molecular lignosulfonates, and mixtures thereof with different ratios of the components. Grind-ing was carried out in a laboratory ball mill at various grinding times. The effectiveness of the surfactants was evaluated by the results of particle size analysis, carried out with preliminary wet removal of the –0.05 mm class. The contents of the size classes of –0.071 and –0.05 mm were then monitored. The studies have shown that the greatest positive effect on the yield of –0.071 and 0.05 mm grades (1.5–2.5 %) is achieved through the use of the majority of reagents tested when grinding particularly strong iron-bearing ores, which enables subsequent improvement of the entire processing cycle.

Ключевые слова Iron ores, grinding, grinding intensifiers, Rehbinder effect, fine classes, monoreagents, multicomponent samples
Библиографический список

1. Pivnyak G. G., Vaisberg L. А., Kirichenko V. I., Pilov P. I., Kirichenko V. V. Grinding. Energy and technology. Мoscow: Ruda i Metally, 2007. 296 p.
2. Vaisberg L. А., Ustinov I. D. Introduction to mineral separation technology. St. Petersburg: Russkaya Kollektsiya, 2019. 168 p.
3. Gazaleeva G. I., Shikhov N. V., Kireeva O. V., Mushketov A. A., Yelnikova S. P. Application of special methods of disintegration for dressing ores and nonmetallic minerals. Proc. of XVI Balkan mineral processing congress, Belgrade, Serbia, June 17–19, 2015. Vol. I. pp. 185–190.
4. Tilocca M. C., Surracco M., Maggio E., Deiana P. Sulcis coal water jet assisted comminution. Proc. of XVIII International coal preparation congress. Saint-Petersburg, 28 June – 01 July 2016. pp. 965–970.
5. Sabin A., Radziszeevski P., Mullany I. Investigating grinding media differences in microstructure, hardness, abrasion and fracture toughness. Minerals Engineering. 2017. Vol. 103–104. pp. 43–53.
6. Palaniandy S., Yahyaei M., Powell M. Assessment of hydrocyclone operation in the gravity induced stirred mill circuit. Minerals Engineering. 2017. Vol. 108. pp. 83–92.
7. Bergerman M. G., Barbosa F. A. M., Tomaselli B. Y., Del Roveri C., Navarro F. C. Pré-concentraçáo de minerais sulfetados de zinco, chumbo e cobre utilizando-se beneficiamento gravimétrico. Anais do 67о Congresso Internacional da ABM, 2012 July 31 – August 3, Rio de Janeiro, Brasil. São Paulo: ABM, 2012. Vol. 1. pp. 1082–1092.
8. Wang D., Yin W., Sun D., Ma Y. Investigation on flotation process of copper-silver polymetallic ore after final grinding with high pressure grinding rolls. Mining & Metallurgy. 2016. Vol. 25, Iss. 3. pp.1–5.
9. Litvinova N. M., Melnikova T. N., Yatlukova N. G., Danilov E. I. Albazino deposit enrichment resistant auriferous ores crushing processes intensification. Gorny Informatsionnoanaliticheskiy Byulleten'. 2005. No. S3. pp. 299–305.
10. Latyshev О. G. The use of surfactants in mining processes. Izvestiya Uralskoy Gosudarstvennoy Gorno-geologicheskoy Akademii. 2000. Iss. 11. Ser. Gornoye Delo. pp. 155–161.
11. Bochkarev G. R., Kondrat'ev S. A., Rostovtsev V. I., Fomenko V. V., Kargapolov Yu. S. Use of fluorinated alcohols to intensify copper-nickel ore grinding. Fiziko-tekhnicheskie Problemy Razrabotki Poleznykh Iskopayemykh. 2008. No. 4. pp. 95–100.
12. Shchukin Е. D., Rebinder P. А. Formation of new surfaces during deformation and destruction of a solid body in a surface-active medium. Kolloidnyi Zhurnal. 1958. Vol. 20, Iss. 5. pp. 645–654.
13. Malkin А. I. Regularities and mechanisms of the Rebinder effect. Kolloidnyi Zhurnal. 2012. Vol. 74, No. 2. pp. 239–256.
14. Shchukin E. D. The influence of surface-active media on the mechanical properties of materials. Advances in Сolloid and Interface Science. 2006. Vol. 123–126. pp. 33–47.
15. Chanturiya Е. L. Study of the influence of catholite on the processes of oxidation of grinding bodies and disclosure of minerals during wet grinding of rare metal, tin and tungsten ores. Obogashchenie Rud. 2004. No. 4. pp. 23–27.
16. Amelina E. A., Shchukin E. D., Parfenova A. M., Pelekh V. V., Vidensky I. V., Bessonov A. I., Aranovich G., Donohue M. Effect of cationic polyelectrolyte and surfactant on cohesion and friction in contacts between cellulose fibers. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2000. Vol. 167, Iss. 3. pp. 215–227.
17. Alley D. W., Devereux O. F. Coolant pH control for optimum ceramic grinding. Part II. Influence of the Rebinder effect on the surface grinding of aluminum oxide. Journal of Materials Science. 2003. Vol. 38. pp. 1353–1358.
18. Zemlyanoi K. G., Moskovskikh N. A. Influence of organic additives on the degree of grinding of raw material for magnesial silicate ceramic. Refractories and Industrial Ceramics. 2012. Vol. 53, Iss. 3. pp. 181–184.
19. Chernishov A. V. Physical and chemical influence of various environments on processes of rocks destruction and deformation. Gorny Informatsionno-analiticheskiy Byulleten'. 2012. No. 1. pp. 89–93.
20. Boyko V. F., Litvinova N. М., Мelnikova Т. N. Selection of surfactants consumption during ore grinding at Mnogovershinnoye Deposit. Obogashchenie Rud. 2004. No. 6. pp. 3–5.
21. Zamotin P. A., Lobanov V. G. Intensification of gold ore grinding process with the help of surfactants and additional ultrasonic treatment. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta. 2018. Vol. 16, No. 3. pp. 25–32.
22. Shavakuleva О. P., Degodya Е. Yu. Reduction of energy consumption during processing of magnetite ores. Materials of the XXIII International scientific and technical conference held within the framework of the XVI Ural mining and industrial decade «Scientific bases and practice of processing of ores and man-made raw materials». Еkaterinburg, 2018. pp. 63–68.
23. Yuryev А. I., Lesnikova L. S., Umysheva А. А., Kostenko О. Yu. Estimate of efficiency of dispersing agents produced by Polyplast-UralSib for ore dressing at Talnakh concentrator. Proc. of the X International congress «Non-ferrous metals and minerals – 2018». Кrasnoyarsk, 2018. pp. 1678–1686.

Language of full-text русский
Полный текст статьи Получить