Methodological Basis for Calculating Parameters of Direct Dumping Flowsheets in Open Pit Gently Dipping Coal Bed Mining
V. I. CHESKIDOV, A. S. BOBYL’SKY, A. V. REZNIK
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: пологопадающие месторождения, бестранспортная система, параметры, технологические схемы, драглайн, вскрышные породы, область применения, gently dipping deposits, mining with direct dumping, parameters, process flowsheets, dragline, overburdent rocks, area of application
Abstract
Under discussion are the direct dumping flowsheets applied to remove lower overburden layers at coal series deposits in Kuzbass. The authors present the calculation procedure for the parameters of overburden excavation and re-excavation flowsheets using draglines. It is found how the re-excavation coefficient depends on the place and level of the dragline site. The recommendations on selecting the dragline route in internal dumping are made. The main trends toward expanding the area of application of the direct dumping technology are identified.
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