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MATHEMATIC MODEL FOR THE OPTIMIZATION OF THE MANAGEMENT OF COAL DEPOSITS FOR THE ECONOMIC SUPPORT OF OPEN PITS

G. Buse

Abstract

The research in coal deposit management from the lignite open pits can be developed in various directions, considering the number of practical situations which may occur in various domains of economic activity. The organization of the deposits to ensure the efficiency of the entire activity from the coal open pit assumes the optimization of transports, the removal of material losses during the coal storage, the intensive use of production capacities, the general decrease of storage and dispatching expenses for production use coal. The formation and deposit of stocks are important due to the economic-financial implications they have on the efficient management of the coal open pit. Therefore, the optimum level of stocks takes into consideration the achievement of the best effect, so the coal open pit carries out its economic activity with the least production expenses and highest profit, therefore with the least coal storage expenses. The coal open pit must ensure that the exploitation, transport and storage technologies supports the implementation of its strategy. So it needs the ability to extract coal with reduced cost, to fulfil the basic demands, to operate with low stocks and to reduce the transportation time both to and from the deposit.

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DOI resolver: doi.org/10.5593/sgem2019/1.3/s03.050

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