Transportation of concentration and leaching tailings in underground mining of metal deposits

V. Golik¹, M. Mitsik², V. Morkun³, N. Morkun⁴, V. Tron³

¹North Caucasian Mining and Metallurgical Institute, Vladikavkaz, Russian Federation

²Institute of Service and Entrepreneurship (Branch) of Don State Technical University, Shakhty, Russian Federation

³Kryvyi Rih National University, Kryvyi Rih, Ukraine

Min. miner. depos. 2019, 13(2):111-120

https://doi.org/10.33271/mining13.02.111

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ABSTRACT

Purpose. The article aims to substantiate efficient parameters of resource-saving technological processes ensuring optimal environmental and economic indices of concrete mixtures transportation under the force mode and changes of the transported mass parameters depending on transportation conditions.

Methods. The complex method of investigation includes generalization and analysis of the theory and practice of mixtures transportation, theoretical and industrial research into the processes associated with long-haul delivery of mixtures, engineering forecasting, mathematical simulation with alternative calculation variants for the purpose of developing recommendations.

Findings. Parameters of concentration and leaching tailings transportation under the force mode of a vibration wire were calculated in detail for the case of the haul length exceeding potential of the gravity flow. Calculation schemes for determining head losses and the flow critical velocity are created by alternative methods and ranked according to the reliability degree.

Originality.Basic points of the new method for controlling indices of mixture preparation and transportation by changing the head and the feed rate of mixtures are defined for combined mineral mining.

Practical implications. Solving the problem of hydromixture transportation under the force mode by joint application of accumulated industrial experience and simulation of delivery processes for combined mineral mining in order to achieve a complex environmental and economic effect.

Keywords: deposit, hydromixture, transportation, pipeline, ore, simulation, vibration

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