Peculiarities of application of lifting and loading equipment in changing conditions of mining production
DOI:
https://doi.org/10.62911/ete.2025.03.01.10Keywords:
deposits, mining production, equipment, productivity, quarry, machinery, dragline, mining, excavator, loader, reliability, energyintensity.Abstract
Abstract: The open-pit mining method, as the most widespread and productive, is currently of paramount importance in the development of the mining complex of Ukraine. One of the main directions of development of open-pit mining is continuous improvement of mining technology using the latest achievements in complex mechanization and automation of mining production. Over the past 30 years, the fleet of mining and loading equipment and mining transportation equipment has been almost completely renewed. The modern mining and loading, mining transportation and auxiliary equipment is characterized by a higher level of production and operation organization, as well as reliability and high performance in complex and changing operating conditions. Mining and loading operations in an open pi t mine are essentially the removal of rock from the face and its loading into vehicles for fur ther transportation to transshipment points. In deep iron ore quarries, powerful cyclic and continuous machines are used as extraction and loading equipment. Advanced domestic and imported equipment is used in the development of the Yeristovo iron quartzite deposit, which is being developed by the respective mining and processing plant. Draglines are mainly used for stripping operations, namely for removing over burden. Walking excavators manufactured by NKMZ are used to mine large volumes of rock, especially in large quarries. Both mechanical excavators (ECG) and hydraulic excavators of well-known models from such manufacturers as Caterpillar and Komatsu are used for mining and loading of minerals at Yeristovo deposit, and front loaders of these brands are also succes sfully used. Front-end loaders of popular brands Caterpillar and Komatsu are used to load overburden and minerals onto vehicles, and EKG-8i and EKG-10 are also used at reloading stations. To compare the achieved technical and technological indicators, the efficiency of excavation in deep iron ore pits was assessed in terms of reliability and energy intensity of mining production in the conditionsof PrJSC Ingulets Iron Ore.
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