Makeev S.Yu.,Andreev S.Yu.,Kratkovsky I.L.,Ryzhov G.A. Microscopic researches of coal samples, subjected physicochemical processing

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Parent Category: Geo-Technical Mechanics, 2015

Category: Geo-Technical Mechanics, 2015, Issue 125

Geoteh. meh. 2015, 125, 170-177

MICROSCOPIC RESEARCHES OF COAL SAMPLES, SUBJECTED PHYSICOCHEMICAL PROCESSING

¹Makeev S.Yu., ¹Andreev S.Yu., ¹Kratkovsky I.L., ¹Ryzhov G.A.
¹IGTM NAS of Ukraine

UDC 541.1:539.25:620.187:622.831.325

Abstract. The aim of the article is to establish influence of various types of physicochemical processing (PCP) on properties of outburst coal seam. Previous studies have suggested that emissions of dangerous situation can be triggered slip microplasma discharges in the piezoelectric effect in the rocks. To confirm this hypothesis, microscopic researches are made structure changes of coal outburst; throw different kinds of external influences. From these positions, we made a comparative evaluation of the effectiveness two different ways: physical and chemical processing a layer and physicochemical effects of electric discharge. The criterion is the degree of effectiveness of an acute angle is present in quartz grains and their isolation from each other. It is found that by first removing static electricity from the acute-angled edges quartz grains and the subsequent PCPprocessing of the massif are enveloped by a chemical solution, and in most cases lose their acuteangled shape - are rounded, which substantially reduces the likelihood of slippage microplasma discharges the piezoelectric effect. Scientific novelty of the results is the justification of the conditions and laws of origin, or a gas-dynamic damping process in the outburst coal seam at its рhysicochemical processing. These results can be used in the forecast and prevention of gas-dynamic phenomena proposed for this techniques.
Keywords: Keywords: gas-dynamic phenomenon, microscopic researches, physical and chemical influence.

REFERENCES

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 About the authors:

Makeev Sergey Jurievich, Candidate of Technical Sciences (Ph.D), Senior Researcher, Senior Researcher in Department of Mineral Mining at Great Depths, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Andreev Sergey Jurievich, Candidate of Technical Sciences (Ph.D), Senior Researcher, Principal Engineer in Department of Mineral Mining at Great Depths, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Kratkovsky Igor Leonidovich, Candidate of Technical Sciences (Ph.D), Senior Researcher, Senior Researcher in Department of Rock Explosion Mechanics, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Rizhov Gennadiy Alexandrovich, Master of Science (M.S), Junior Researcher in Department of Mineral Mining at Great Depths, M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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