Pavlo Saik, Roman Dychkovskyi, Vasyl Lozynskyi, Volodymyr Falshtynskyi, Edgar Cabana, Leonid Hrytsenko. Studying the features of the implementation of underground coal gasification technology in terms of Lvivvuhillia SE

Details
Parent Category: Geo-Technical Mechanics, 2020
Category: Geo-Technical Mechanics, 2020, Issue 155

Geoteh. meh. 2020, 155, 78-87

https://doi.org/10.1051/e3sconf/202016800036

 

STUDYING THE FEATURES OF THE IMPLEMENTATION OF UNDERGROUND COAL GASIFICATION TECHNOLOGY IN TERMS OF LVIVVUHILLIA SE

1Pavlo Saik, 1Roman Dychkovskyi, 1Vasyl Lozynskyi, 1Volodymyr Falshtynskyi, 2Edgar Cabana, 1Leonid Hrytsenko

1National Technical University "Dnipro Polytechnic", 2San Augustin National University of Arequipa

Language: English

Abstract. Topical issues of the possibilities for changes in the coal extraction technology in terms of Stepova mine of Lvivvuhillia SE have been highlighted. Analysis of the current state of mining operations has been carried out. Design solutions as for introduction of the coal gasification technology in the life cycle of the mining enterprise has been proposed on the basis of the analytical, experimental, and industrial studies; the technology has been described. Percentage ratio of the output of combustion generator gases (Н2, СО, СН4) has been identified; gas combustion value and efficiency of the process depending on certain changes in the blowing mixture composition supplied into the underground gas generator have been determined. Heat balance of the process of underground coal gasification has been studied making it possible to evaluate its energy balance. The algorithm to determine coal reserves in a mine pillar to be gasified has been proposed. Indices of the output of combustion generator gases from the gasification column have been defined. The relevant issues have been studied of ensuring the possibility of underground coal gasification technology when uncovering the mining extracted area for the underground gas generator operation.

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