The belt conveyor effectiveness at the rock haulage under flooded pit excavations

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Authors:

B.Yu.Sobko, Dr. Sc. (Tech.), Prof., orcid.org/0000-0002-6872-8458, National Mining University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

O.V.Denyschenko, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0002-4011-5422, National Mining University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

O.V.Lozhnikov, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0003-1231-0295, National Mining University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

V.A.Kardash, orcid.org/0000-0002-7947-7789, National Mining University, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract:

Purpose. Development of the process scheme of mining-hauling operations at the mining flooded deposits.

Methodology. The choice of rational haulage equipment according to the conditions of mining flooded Motronivskyi placer deposit is performed by using the analytical method of research. The graphic-analytical method of research was used in developing the recommended technological schemes of mining-hauling operations using conveyor haulage. For substantiation of technological schemes parameters of overburden transportation, the method of technical and analytical analysis was used.

Findings. The world experience in the mining titanium deposits is summarized and the main benefits of underwater mining at Motronivskyi placer deposit are highlighted. The analysis of traditional methods and equipment for overburden rocks transportation to this pit condition was carried out and a new design of a belt conveyor with a rope and mining technology is proposed. The basic indexes of economic efficiency of the developed technology are defined: decreasing operating costs while reducing transportation distance, the net present value (NPV) and internal rate of return (IRR) were estimated.

Originality. The obtained research results of determining the impact of changing parameters and equipment in technological mining scheme of Motronivskyi watered alluvial placer deposit using the proposed systems of continuous mining for the overburden remove on the net present value of the project allowed determining the Internal rate of return and payback period.

Practical value. Technological solutions for the introduction the connecting conveyor with a rope in the pit field centre in the technological scheme of transporting overburden rocks are justified. The use of floating support on the pontoon allows stabilizing the conveyor belt in a surface part of the deposit. Maintenance of the conveyor elements is significantly simplified and facilitated improving, as a result, work safety and its efficiency.

References.

1. Sobko, B. Yu., Lozhnikov, O. V., Haidin, A. M. and Laznikov, O. M.,  2016. Substantiation of rational mining method at the Motronivskyi titanium-zirconium ore deposit exploration. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 6, pp. 41‒48.

2. Bosnjak, S. M. and Zrnic, N. D., 2012. Dynamics, failures, redesigning and environmentally friendly technologies in surface mining systems. Archives of Civil and Mechanical Engineering [online], 12(3), рр. 348‒359. Available at: <//www.infona.pl/resource/bwmeta1.element.baztech-57ce570c-2319-4aaa-abd4-3ed42330b83d> [Accessed 12 October 2017].

3. Roumpos, C., Partsinevelos, P., Agioutantis, Z., Makantasis, K. and Vlachou, A., 2014. The optimal location of the distribution point of the belt conveyor system in continuous surface mining operations. Simulation Modelling Practice and Theory, 47, pp. 19‒27.

4. Kumar, D. and Mandloi, R. K., 2013. Analysis and Prospects of Modification in Belt Conveyors-A. Analysis, 3(1), pp. 581‒587.

5. Shirin, L. N., Denischenko, A. V. and Yurchenko, O. O., 2014. Technological schemes of haulage in the crushed stone quarries with the use of rope ground-water roads of the new generation. Problems of minerals using, 2, рр. 158‒165.

6. Herrmann, H. and Bucksch, H., 2014. Belt conveyor. In: Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik: English-German/Englisch-Deutsch. pp. 120‒120.

7. Abere, D. V., Oyatogun, G. M., Abioye, A. A., Ro­mi­niyi, A. L., Abioye, O. P., Yaskuma, U., Onotu, G. O., Ogar, M. O., Oyatogun, A. O., Igbonwelundu, M. T., Fi­lusi, G. F. and Akinwole, I. E., 2017. Comparative Study of Local Mining Methods and Assay of Cassiterite with other Alluvial Mineral Deposits in Kuru-Jantar, Plateau State, Nigeria. American Journal of Mining and Metallurgy, 4(1), pp. 51‒61.

8. Van Rensburg, B. J., 2013. The development of a light weight composite conveyor belt idler roller. University of Southern Queensland. Faculty of Health, Engineering and Sciences [pdf]. Available at: <https://eprints.usq.edu.au/24621/1/JansevanRensburg_2013.pdf> [Accessed 24 December 2017].

9. De Werk, M., Ozdemir, B., Ragoub, B., Dunbrack, T. and Kumral, M., 2017. Cost analysis of material handling systems in open pit mining: Case study on an iron ore prefeasibility study. The Engineering Economist, 62(4), pp. 369–386.

10. Bai, R., Liu, C., Liu, G. and Cao, B., 2014. Optimization of in-pit haulage system development during internal dumping in seasonal stripping surface coal mine. Journal of Chongqing University, 37(8), pp. 99‒104.

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