Organization of non-metallic deposits development by steep excavation layers
V. Symonenko, 1, L. Hrytsenko2, O. Cherniaiev2
1Opencast Mining Department, National Mining University, Dnipropetrovsk, Ukraine
2Institute for the Design of Mining Enterprises, National Mining University, Dnipropetrovsk, Ukraine
Min. miner. depos. 2016, 10(4):68-73
https://doi.org/10.15407/mining10.04.068
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ABSTRACT
Purpose. To determine rational technological scheme of extracting mineral resources in the steep excavation layer in non-metallic hard minerals quarries while delivering rock mass from the quarry to the surface processing complex by mobile conveyors’ system with crushing complex.
Methods. For scientific, theoretical and practical studies we used analytical, graphical and statistical research methods.
Findings. Based on previous studies of non-metallic deposits systematization, we worked out a rational technological scheme for extracting mineral resources in the steep excavation layer in non-metallic quarries while delivering rock mass from the quarry to the surface processing complex by mobile conveyor's system with crushing complex. The results of these studies are reflected in identified dependences between parameters of the development system which allowed to determine the efficiency of utilizing the selected technological scheme of extracting mineral resources in the steep excavation layer.
Originality.New dependences between parameters of the development system in basic non-metallic quarries have been determined, such as: changes in the general mileage of a front loader related to productivity of quarries and the average distance transportation of minerals related to productivity of quarries.
Practical implications.The results of this research will be used for practical applications in the design of mining companies extracting raw materials for production of crushed stone.
Keywords: quarry of the first stage, steep excavation layer, crushing and sorting plant, mobile crushing unit, mobile transfer conveyor
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