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Information × Registration Number 0218U002711, 0117U003056 , R & D reports Title Dynamic regimes of technological systems popup.stage_title Head Blyuss Boris Oleksandrovich, Registration Date 24-05-2018 Organization Institute of Geotechnical mechanics of NAS of Ukraine popup.description2 An analysis of previously developed methods for estimating methane reserves in gas-bearing carbonaceous massifs has been performed, and it has been established that the known methods for determining methane reserves give conflicting results. Methods for establishing the methane content of coal seams and rocks have been improved. A complex method for determining methane reserves in a coal-bearing massif of the Donetsk Coal Basin was developed at small, large and superlarge depths (over 1800 m), including beyond the depths of the explored coal reserves. The patterns of methane distribution in the coal rock massif are determined from the degree of metamorphism of the coal seam and the conditions of its bedding, as well as the amount of methane reserves in the coal-bearing massif of the Donetsk Coal Basin. It is shown that the studies carried out to date have not considered and taken into account the aspects of coal conversion at the atomic-molecular level, carriers of electric charges and sources of magnetic signals in brown, coal and coal shales have not been established. It is established that the traditional methods for studying the structure of coal matter using spectral methods are not adapted to the study of electrical and magnetic properties. The analysis of methods for assessing the properties of rocks and the state of the mountain massif in coal and gas fields is carried out. It is determined that today there are no universal methods for solving problems of this class with the necessary accuracy. The analysis of methods for studying the physico-chemical properties and the molecular structure of a metastable coal substance is carried out. Based on the studies carried out, a technique for experimental studies of the properties and structure of coal matter has been developed. The obtained results are the scientific basis for the improvement of methods for evaluating the parameters of electromagnetic processes in coals with the aim of developing new technologies for the extraction and processing of hydrocarbon energy carriers. Specific features of geomechanical processes occurring in the rock massif are analyzed and the methods of joint physico-chemical and impulse impact on it during the development of coal and gas deposits are analyzed, which allowed to determine ways of increasing the efficiency of gas producing enterprises. The complex approach to methane extraction is substantiated, in which the gas pressure is considered as a fraction of the strength factor, which affects the gas recovery, and the deformation properties of the mountain massif. The analysis of rotational drilling methods and methods for calculating the parameters of fracture processes of rocks in rotary drilling and models for calculating the dynamic parameters of the process of cavitation flow of a fluid are performed. Factors of decrease in drilling efficiency and a mathematical model for calculating the hydrodynamic parameters of the flushing fluid flow are established. The parameters of the flushing liquid flow in submerged cavitation hammers (SMCH) are substantiated, the method for calculating the geometrical parameters of the PGSU is developed. Based on the analysis of the work of a number of mining enterprises, the principles of the system and process approach to material flow management are established, which allow to determine the results of the work of a separate functional area on its contribution to the overall workflow. In the system analysis of production processes at mining enterprises, the use of transport logistics from the standpoint of economic, organizational, economic and information policies is relevant, since the management of information flows initially affects the successful operation of mining enterprises. The main provisions and ways of implementing the process approach to mining enterprises are formulated, including development of mathematical models and automation of algorithms for optimization of control systems at mining enterprises, which will increase the efficiency of their operation. The main requirements for the imitation model of the transport and logistics system of mining enterprises and the main stages of its development, taking into account the magnitude of material flows, are substantiated. The report shows that large coal reserves are concentrated in the slurry storage facilities of coal-washing plants and coal-fired power plants and thermal power plants. The results of investigation of qualitative and quantitative characteristics of the slurry storage of ash and slag wastes of Novo-Kramatorskaya CHPP are given. The bottleneck for slurry processing is classification and dehydration. It is promising to use vibrating screens with a dynamically active surface, which requires the study of their parameters. Technogenic deposits of tuffs are confined to five active basaltic open-cast mines in Volyn, where tuff is in dumps, as a concomitant breed. For these tuffs, the quantitative composition of trace elements is determined by spectral analysis. Prospective studies of the weakening of tuffs with water and the development of a method for the preparation of tuffs for the purpose of obtaining iron, copper and silicate residues for construction purposes are promising. The main technology of amber extraction in Ukraine is a well mechanic-hydraulic method that provides amber extraction less than 50%, it is energy-intensive and negatively affects the ecology. A promising area is the development of methods and devices using water, air and vibration. Product Description popup.authors Безручко К.А. Булат А.Ф. Васільєв Л.М. Лапшин Є.С. Надутий В.П. Софійський К.К. popup.nrat_date 2020-04-02 Close