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BENEFICIATION PROCESSES
ArticleName Specific features of the concentration process for fine-grained materials in a short-cone hydrocyclone
DOI 10.17580/or.2018.02.06
ArticleAuthor Vasilyev A. M., Kuskov V. B.
ArticleAuthorData

Mekhanobr Engineering JSC (St. Petersburg, Russia):

Vasilyev A. M., Researcher, Candidate of Engineering Sciences

 

Saint Petersburg Mining University (St. Petersburg, Russia):
Kuskov V. B., Associate Professor, Candidate of Engineering Sciences, opikvb@mail.ru

Abstract

This article outlines the results of a study of the effects of the key factors on the efficiency of a short-cone hydrocyclone with the diameter of 50 mm. These factors include the solid content in the slurry, the content of the heavy component in the feed, the diameters of the sand and drain nozzles. The respective concentration efficiency is evaluated using the Hancock—Luiken criterion. The initial material is represented by an artificial mixture consisting of quartz sand and narrow grades of granular ferrosilicon. The methods for studying the hydrocyclone plant and for the separation of ferrosilicon from the concentration products using a magnetic separator have been preliminarily established. These studies use the second-order rotatable design method. Based on the experimental data obtained, certain regularities in the effects of the above key factors on the efficiency of the separation of particles in the hydrocyclone have been identified, enabling more informed management of the process of separation of fine-grained ores and materials in laboratory investigations and in industrial environments. Recommendations are provided for the operation of short-cone hydrocyclone plants for various finegrained materials.
The work was performed with the financial aid from the Ministry of Education and Science of the Russian Federation for the CP «Research and development in priority areas for the development of Russia’s scientific and technical complex for 2014–2020», project RFMEFI57417X0168.

keywords Gravity concentration, short-cone hydrocyclone, performance optimization, second-order rotatable design, separation efficiency, fine-grained materials
References

1. Abramov A. A. Processing, beneficiation and complex use of solid minerals. Vol. 1. Moscow: Publ. MGGU, 2004. 472 p.
2. Avdokhin V. M. Fundamentals of mineral processing: a textbook for universities. Vol. 1. Beneficiation processes. Moscow: Publ. MGGU, 2006. 417 p.
3. Vaisberg L. А., Kuskova Ya. V. Improvement of circular concentrating tables as development of gravity concentration methods. Obogashchenie Rud. 2017. No. 4. pp. 54–60.
4. Verkhoturov M. V. Gravitational beneficiation methods: a textbook for universities. Moscow: MAKS Press, 2006. 352 p.
5. Bert R. O. Technology of gravity concentration. Moscow: Nedra, 1990. 575 p.
6. Handbook on the ores beneficiation. Vol. 2. Basic processes. Moscow: Nedra, 1983. 382 p.
7. Barskiy M. D. Optimization of the processes of granular materials separation. Moscow: Nedra, 1978. 168 p.
8. Lopatin A. G. Centrifugal separation of ores and sands. Moscow: Nedra, 1987. pp. 87–135.
9. Klyachin V. V. Upon hydrocyclones' throughput calculation. Obogashchenie Rud. 2012. No. 1. pp. 10–11.
10. Klyachin V. V. Calculation and determination of hydrocyclones characteristics. Obogashchenie Rud. 2011. No. 3. pp. 18–20.
11. Kapustin R. P. Radial and axial velocities of liquid in cylindrical hydrocyclone. Obogashchenie Rud. 2013. No. 1. pp. 23–25.
12. Klyachin V. V. The relationship between fine classes dilution and content in hydrocyclones products. Gornyi Zhurnal. 2009. No. 10. p. 79.
13. Grishin I. A. Influence of hydrocyclone parameters on kyanite ore classification. Мoscow: Alteks, 2001. pp. 42–43.
14. Trach T. Yu., Tismenetsky L. R., Khorol’sky V. P. Control principles for separating process in hydrocyclone. Obogashchenie Rud. 1991. No. 3. pp. 34–37.
15. Povarov A. I. Hydrocyclone at ore-processing plant. Мoscow: Nedra, 1976. 199 p.
16. Grobler J. D., Bosman J. B. Gravity separator performance evaluation using Qemscan® particle mineral analysis. The Journal of the Southern African Institute of Mining and Metallurgy. 2011. Vol. 111. pp. 401–408.
17. Bergmann C., Govender V., Corfield A. A. Using mineralogical characterisation and process modelling to simulate the gravity recovery of ferrochrome fines. Minerals Engineering, Physical Separation. 2016. Vol. 91. pp. 2–15. DOI: 10.1016/j.mineng.2016.03.020.
18. Wills B. A., Finch J. Wills’ mineral processing technology: An introduction to the practical aspects of ore treatment and mineral recovery. 8th ed. Butterworth—Heinemann, 2015. 512 p.
19. Kuskov V. B., Lvov V. V. Method for coal preparation with automatic control. Zapiski Gornogo Instituta. 2011. Vol. 192. pp. 24–27.
20. Falconer A. Gravity separation: old technique/new methods. Physical Separation in Science and Engineering. 2003. Vol. 12, No. 1. pp. 31–48.
21. Nalimov V. V., Chernova N. A. Statistical methods for planning extreme experiments. Moscow: Nauka, 1965. 340 p.
22. Vasilyev A. M., Kuskov V. B. Regularities of finegrained materials separation process on concentrating table. Obogashchenie Rud. 2017. No. 3. pp. 63–68.

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