Semenenko Ye.V., Medvedeva O.O., Kirychko S.M., Koval N.V. Rational parameters and modes of hydrotransport unit operation at underwater mining of alluvial deposits

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Parent Category: Geo-Technical Mechanics, 2017

Category: Geo-Technical Mechanics, 2017, Issue 132

 

Geoteh. meh. 2017, 132, 121-129

RATIONAL PARAMETERS AND MODES OF HYDROTRANSPORT UNIT OPERATION AT UNDERWATER MINING OF ALLUVIAL DEPOSITS

Semenenko Ye.V., Medvedeva O.O., Kirychko S.M., Koval N.V.

IGTM NAS of Ukraine

UDC 622.17.004.4:621.796

Abstract. Today, use of pipeline hydrotransport is an actual and promising trend for the development of primary and technogeneous placers from under the water layer. In the article, head losses are estimated for the cases when the mined technogeneous placer is not diluted. As a result of the studies, parameters were first validated for the dredge and pumps in the hydrotransport used for mining technogeneous placers by the underwater method, hence making it possible to formulate a condition for obtaining minimum energy intensity for technology of underwater mining of technogeneous placers. In the article, the conditions are outlined for preventing dilution of the extracted material in the process of underwater mining of the alluvial deposits when the hydrotransport unit operates in the supercritical regime. This finding will allow mining the technogeneous deposits, which are formed in the tailing dumps with cleaning rejects .

Key words: suction funnel, critical flow regime, power of technogeneous placer.

 

REFERENCES

1. Bondarenko, A.A. (2015), ―Scientific substantiation for new engineering-level parameters of hydromechanized mining and processing of grained minerals‖, Abstract of D. Sc. dissertation, National Mining University, Dnipropetrovsk, Ukraine.

2. Kornienko, V.Ya. (2011), ―Substantiation of rational parameters of vibrohydraulic devices for amber extraction from amber deposits‖, Abstract of Ph.D. dissertation, National Mining University, Dnipropetrovsk, Ukraine.

3. Khristyuk, A.O. (2017), ―The parameters substantiation of amber extraction from sandy deposits by hydromechanical method‖, Abstract of Ph.D. dissertation, National University of Water and Environmental Engineering, Rivne, Ukraine.

4. Franchuk, V.P. and Bondarenko, A.A. (2014), ―Simulation of an underwater face formed by a jet soil sampling device»‖, Mining, construction, road and agricultural machines, no. 83, pp. 10 – 17.

5. Semenenko, Ye.V. (2011), Nauchnye osnovy tekhnologiy gidromekhanizatsii otkrytoy razrabotki titan-tsirkonovykh rossypey [Scientific foundations of hydromechanization technologies for the open development of titanium-zircon placers], Naukova dumka, Kiev, Ukraine.

6. Semenenko, Ye.V., Nikiforova, N.A. and Tatarko, L.G. (2015), ―Design calculation of pipeline systems of hydromechanization technologies when replacing steel pipes with polyethylene‖, Geo-Technical Mechanics, no. 120, pp. 152 -161.

7. Medvedeva, O.A. (2016), ―Determining the size of the suction funnel for underwater technologies for the development of placer deposits‖, Underwater Technology, no. 3, pp. 47 - 53.

8. Makharadze, L., Lanchava, O., Radu, S.M. and Moraru, R.I. (2016), ―The main aspects of the durability increase of hydro-transportation pipeline systems providing exploitation reliability and efficiency‖, Annals of the University of Petroşani, Mechanical Engineerin, vol. 18 (2016), pp. 99-102.

9. Loytsyanskiy, L.G. (1978), Mekhanika zhidkosti i gaza [Mechanics of liquid and gas], Nauka, Moskow, USSR.

10. Semenenko, Ye.V., Medvedeva, O.A. and Kirichko, S.N. (2016), ―Estimating the dimensions of the suction funnel taking into account the critical speed of hydrotransportation‖, Geo-Technical Mechanics, no. 129, pp. 152 -161.

 

About the authors

Semenenko Yevgeniy Vladimirovich, Doctor of Technical Sciences (D. Sc.), Senior Researcher, Head of Department of Mine Energy Complexes, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Medvedeva Olga Alekseevna, Candidate of Technical Sciences (Ph.D.), Senior Researcher, Senior Researcher in Department of Geodynamic systems and Vibration Technologies, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Kyrychko Sergey Nikolaevich, Candidate of Technical Sciences (Ph.D.), Junior Researcher in Department of Geodynamic systems and Vibration Technologies, M.S. Polyakov Institute of Geotechnical Mechan[1]ics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Koval Natalya Vasilievna, Master of Sciences (M.Sc.), Junior Researcher in Department of Geodynamic systems and Vibration Technologies, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

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