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Wyszukujesz frazę "Dychkovskyi, Roman" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Technical and technological support of the technology of activatingthe process of gasification of thin coal seams
Autorzy:
Falshtynskyi, Volodymyr
Pererva, Andrii
Chalyi, Vladyslav
Psyuk, Vladyslav
Dychkovskyi, Roman
Powiązania:
https://bibliotekanauki.pl/articles/27324370.pdf
Data publikacji:
2023
Wydawca:
Instytut Techniki Górniczej KOMAG
Tematy:
experimental bench plant
model of the gasification process
underground gas generator
reaction channel
fire break
low-power coalseams
reverse mode
gazyfikacja
kopalnie
wsparcie techniczne
Opis:
According to the tests results of the technology of reverse jet flow, tobalancethe geometric and physical parameters of the active zones of the reaction channel of the underground gas generator during the gasification of low-power coal seams. The parameters of activation of the oxidizing and reducing zones of the fire blowout were established, taking into account the outgassing of the coal seam in space and time, the impactof mining and geological parametersas well asgeotechnical and thermochemical processes, securing the evenadvance of the fire blowout along the length of the reaction channel of the underground gas generator. It was established that the intensification of the gasification process of thin and ultrafine coal seams increases the quantitative and qualitative parametersof exothermic and endothermic reactions, which have an impacton increasing the efficiency of the underground georeactor and determines the quality parametersof the gasification product.
Źródło:
Mining Machines; 2023, 41, 3; 186--199
2719-3306
Pojawia się w:
Mining Machines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technology for increasing the level of environmental safety of iron ore mines with use of emulsion explosives
Autorzy:
Khomenko, Oleh
Kononenko, Maksym
Myronova, Inna
Kovalenko, Ihor
Cabana, Edgar Caceres
Dychkovskyi, Roman
Powiązania:
https://bibliotekanauki.pl/articles/27324386.pdf
Data publikacji:
2023
Wydawca:
Instytut Techniki Górniczej KOMAG
Tematy:
source of emission
concentration
environmentally hazardous substances
physicochemical analysis
emulsion explosives
environmental hazard index
emisja
koncentracja
zagrożenia środowiskowe
Opis:
Laboratory and industrial studies have established the total impact of environmentally hazardous substances, taking into account the distance from the source of emissions and the specific consumption of explosives. With the help of physicochemical analysis and biological testing, the dependence of the change in the conditional indicator of damage to bioindicators with an increase in the distance from the source of emission and the specific annual consumption of explosives was revealed. A methodology for calculating the environmental assessment of the state of atmospheric air around the mine ventilation shaft has been developed. The exponential dependence of the influence of surface concentrations of environmentally hazardous substances on the damage of bioindicators at the cellular and organismic levels has been established, which makes it possible to assess the state of atmospheric air at industrial sites of iron ore mines. The proposed technology of sand drilling, which involves the use of emulsion explosives in mining ore deposits in chamber development systems will reduce emissions of environmentally hazardous substances into the atmosphere and increase the level of environmental safety of iron ore mines.
Źródło:
Mining Machines; 2023, 41, 1; 48--57
2719-3306
Pojawia się w:
Mining Machines
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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