JMS, Vol. 51, No. 5, 2015
REGIONAL ISSUES OF SUBSOIL USE: KUZBASS
TECHNOLOGICAL ASPECTS OF TRANSITION TO HIGH BENCH STRIPPING
IN KUZBASS
V. A. Kovalev and V. S. Fedotenko
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: ogdm@yandex.ru
The article presents argumentation in favor of transition to high bench stripping in open pit mines in Kuzbass, which will increase coal production and improve mine performance. The authors find functional connection between the duration of the transition to high bench stripping and the increase in the finite depth of an open pit mine. Substantiation is given to choosing the height of a bench based on the change in relationship of operating costs and a cut layer height. The practical significant of the research is development of a new approach to validating expediency of high benches for mining with truck&shovel and creation of a procedure to find increment in ultimate pit contour in transition to stripping with high benches.
Mining systems, open pit mining, high bench, principal open pit parameters, flow charts, open pit mine modernization
DOI: 10.1134/S1062739115050015 REFERENCES
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ANALYSIS OF VENTILATION OF WORKING AREAS IN THICK GENTLY DIPPING COALBEDS
V. O. Torro, V. P. Tatsienko, and A. V. Remezov
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: torrovo@mail.ru
Advanced technologies and modern high-production machines for underground mining of thick gently dipping coal demand strict adherence to technological discipline, reduction in operational loss and selection of optimized ventilation modes. The authors analyze ventilation schemes used in working areas in thick gently dipping seams in order to reveal influence exerted by the schemes, methods and parameters of ventilation on distribution of air loss in mined-out areas.
Mining methods, interlayer unit, concentrated loss of coal, ventilation scheme, ventilation method, mined-out area aerodynamics, air leaks, spontaneous heating sources, endogenous fire
DOI: 10.1134/S1062739115050027 REFERENCES
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2. Rukovodstvo po primeneniyu sposobov tormozheniya razvitiya samonagrevaniya uglya v vyrabotannykh prostranstvakh vyemochnykh polei shakht (Guidelines on Inhibition of Coal Self-Heating in Mined-Out Voids in Mines), Kemerovo: VostNII, 1985.
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4. Belaventsev, L.P., Golun’, V.A., Voroshilov, S.P., Bykova, Z.S., Torro, V.O., et al., Rukovodstvo po primeneniyu sposoba profilaktiki endogennykh pozharov na printsipe intensifikatsii dezaktivatsii uglya v shakhtakh Kuzbassa (Guidelines on Endogenous Fire Control Based on Intensified Coal Deactivation in Kuzbass Mines), Kemerovo: VostNII, 1997.
5. Belaventsev, L.P., Torro, V.O., and Purtov, V.A., Aerodynamic Approach to Endogenous Fire Prevention in Mines, Ugol’, 1994, no. 11.
6. Arsenov, N.S., Belov, V.P., Kalinin, S.I., et al., Tekhnologicheskie skhemy razrabotki pologikh i naklonnykh plastov Kuznetskogo Basseina (Mining Process Flow Diagrams for Gently dipping and Inclined Beds in the Kuznetsk Coal Basin), Prokopievsk, 1989.
7. Torro, V.O., Belov, V.P., and Remezov, A.V., Experience of Gently Dipping Thick Coal Mining, Ugol’, 2008, no. 1.
8. Nogikh, S.R., Yasyuchenya, S.V., Durnin, M.K., and Torro, V.O., Problems of Technical and Technological Upgrading of Coal Mines in Kuzbass in Terms of Yuzhkuzbassugol, GIAB, 2008, no. 11.
9. Torro, V.O., Serdobintsev, N.G., Kalinin, S.I., et al., Determination of Cross-Section, Location, Drivage and Support Technologies for Assembly Chamber 21–1-5, Vestn. KGTU, 2008, no. 4.
10. Torro, V.O., Kalinin, S.I., Serdobintsev, N.G., Biktinirov, I.S., and Novosel’tsev, S.A., Analysis of Events due to Rock Pressure in Mining of Thick Coal Bed with Top-Coal Discharge, Ugol’, 2009, no. 1.
11. Torro, V.O., Morozov, Yu.I., Serdobintsev, N.G., and Remezov, A.V., Laboratory Research of Events
due to Rock Pressure in Bottom-Up Inclined Slicing of Thick Gently Dipping Coalbed, Vestn. KGTU, 2011, no. 6.
12. Torro, V.O., Morozov, Yu.I., Serdobintsev, N.G., and Remezov, A.V., Research of Events due to Rock Pressure in Bottom-Up Inclined Slicing of Thick Gently dipping Coalbed in a Mine, Vestn. KGTU, 2011, no. 6.
13. Torro, V.O., Serdobintsev, N.G., and Remezov, A.V., Analysis of Events due to Rock Pressure in Thick Gently dipping Coal Mining with Top-Downward Room-and-Pillar Method, Vestn. KGTU, 2012, no. 3(91).
14. Remezov, A.V. and Torro, V.O., Relevance of Intellectual Systems for Next-Level Control of Flow Processes to Ensure Safe Underground Coal Mining, Proc. 3rd Int. Conf. on the Current Trends and Innovation in Science and Industry, Mezhdurechensk, 2014.
15. Torro, V.O. and Remezov, A.V., Design of Flow Processes for Bottom-Up Inclined Slicing of Thick Gently dipping Coal Beds, Proc. 2nd Int. Conf., Ufa: RIO ITsIP, 2014.
16. Ordin, A.A. and Metel’kov, A.A., Optimization of the Fully Mechanized Stoping Face Length and Efficiency in a Coal Mine, J. Min. Sci., 2013, vol. 49, no. 2, pp. 254–264.
17. Ordin, A.A., Timoshenko, A.M., and Kolenchuk, S.A., Ultimate Length and Capacity of Production Heading with Regard to Gas Content, Considering Nonuniform Air Flow, J. Min. Sci., 2015, vol. 51, no. 4, pp. 771–778.
TECHNOLOGICAL SIGNIFICANCE OF INTERNAL DUMPING IN OPEN PIT COAL MINING IN THE KEMEROVO REGION
A. V. Selyukov
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: alex-sav@rambler.ru
The article reports research findings in the area of open pit coal mining and substantiates alternative technologies based on new technological and organizational principles of open pit mining. Using the method of geometrical analysis of an open pit mine field and technological design of mining systems, stage-wise mining technologies have been developed for the case when mining front advance is changed. Such technologies ensure the improvement of a wide range of technical-and-economical and ecological performance of an open pit mine. The main flow charts of the mining sequences are interconnected with natural-technological groups of deposits, that influence cross-wise configuration of an open pit (ultimate contour) and structural characteristics (parameters) of working areas and generate geometrical type of an open pit field.
Methodical attitudes, open pit mining, internal dumping, structural mining scheme, open pit field, open pit coal mines
DOI: 10.1134/S1062739115050039 REFERENCES
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SUBSTANTIATION OF LOW-CAPACITY EQUIPMENT SETS FOR OPEN PIT COAL MINING, CONSIDERING LAND USE EFFICIENCY
E. V. Kurekhin
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: ogdm@yandex.ru
Under discussion is the equipment for open pit mining of scarce coal reserves. Methods of overburden dumping are systematized. A new dumping method is offered; it allows reducing land withdrawal by means of utilizing adjacent open pit. The author presents relations for area of internal dumping, considering coefficient of dumping in the adjacent open pit and the volume of the adjacent open pit. The feasibility of overburden placement in mined-out pits is analyzed.
Small open pits, dumping methods, open pit mining, land size, limited coal reserves, technological classification, equipment systems
DOI: 10.1134/S1062739115050040 REFERENCES
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FUEL BRIQUETTING USING FINELY DISPERSE WASTE OF COAL MINING AND PROCESSING
A. V. Papin, A. Yu. Ignatova, A. V. Nevedrov, and T. G. Cherkasova
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: papinadrev@rambler.ru
In focus is fuel briquetting using coal mining and processing waste. The authors present an integrated technology of coal and coke dust processing, including oil agglomeration of input components and fuel briquetting using binder. The optimal binder is chosen to be heavy coal-tar. Influence of a type of compaction and content of different binders on strength of fuel briquettes is analyzed. The quality characteristics of concentrate obtained from dressed coal and coke dust and fuel briquettes made of the concentrate are presented.
Coal mining and processing waste, briquetting, fuel briquettes, coke dust, dressing, oil agglomeration, heavy coal-tar
DOI: 10.1134/S1062739115050052 REFERENCES
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33. Shved, V.S. and Berezin, A.V., Coke Breeze as Charge Coal Component, Koks Khim., 2009, no. 5.
34. Papin, A.V., Zhbyr’, E.V., Nevedrov, A.V., and Solodov, V.S., New Mineral Dressing Method Based on Oil Agglomeration, Khim. Prom. Segodnya, 2009, no. 1.
35. Gagarin. S.G., Gyul’maliev, A.M., and Tolchenkin, Yu.A., Current Trends in Coal Dressing (Review), Koks Khim., 2008, no. 2.
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STATISTICAL RELIABILITY OF FORECASTING PEAK PARTICLE VELOCITY UNDER LARGE-SCALE PRODUCTION BLASTING
A. G. Novin’kov, S. I. Protasov, P. A. Samusev, and A. S. Gukin
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: novinkova@mail.ru
Kuzbass-NIOGR Innovation Company,
Pionerskii blv. 4A, Kemerovo, 650054 Russia
e-mail: firm@kuzbass-niiogr.ru
The authors review methods to assess reliability of forecasting of peak vibration velocities under large-scale production blasting using statistical analysis of regression residuals. The regression analysis of experimental data and the subsequent statistical analysis of the regression residuals is exemplified.
Open pit mining, peak vibration velocity, blast-induced vibration, regression analysis, peak vibration velocity forecasting, large-scale blasting in mines
DOI: 10.1134/S1062739115050064 REFERENCES
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MECHANISMS OF CHANGE IN PHYSICAL PROPERTIES OF SOIL
UNDER EXPERIMENTAL ELECTROCHEMICAL REINFORCEMENT
S. M. Prostov and N. Yu. Nikulin
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: papinadrev@rambler.ru
NOOSTROY LTD,
ul. Voroshilova 30, Kemerovo, 650056 Russia
The article describes integrated experimental research into mechanisms of change in physical properties of soil under electrochemical reinforcement implemented in a test area. The monitoring methods involved geological engineering survey, laboratory testing of soil samples, as well as statistical, geomechanical, seismic, electrical and georadar sounding. It has experimentally been proved that three zones (strengthening, dehumidification and transient) are formed in the interelectrode space; the ranges of space and time change in humidity, deformation modulus, cohesion, internal friction angle, elastic wave velocities, electrical resistivity and integral parameters of georadargrams are found. The authors substantiate ways of improving efficiency of two- and one-stage schemes of electrochemical soil reinforcement and application areas of geophysical monitoring techniques.
Electrochemical reinforcement, physical properties, soil, electrical sounding, GPR positioning
DOI: 10.1134/S1062739115050076 REFERENCES
1. Prokopov, A.Yu., Stradanchenko, S.G., and Shubin, A.A., Gornotekhnicheskie zdaniya i sooruzheniya (Mine-Technical Buildings and Structures), Novocherkassk: YuRGTU (NPI), 2006.
2. Ibragimov, M.N. and Semkin, V. V. Zakreplenie gruntov in’ektsiei tsementnykh rastvorov (Soil Reinforcement with Cement), Moscow: ASV, 2012.
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4. Khyamyalyainen, V.A., Mitrakov, V.I., Syrkin, P.S., Fiziko-khimicheskoe ukreplenie porod pri sooruzhenii vyrabotok (Physicochemical Reinforcement of Rocks in Drivage), Moscow: Nedra, 1996.
5. Vartanov, A.Z., Fiziko-tekhnicheskii kontrol’ i monitoring pri osvoenii podzemnogo prostranstva (Physico-Technical Control and Monitoring in Subsoil Development), Moscow: Gornaya Kniga, 2013.
6. Lomize, G.M. and Netushil, A.V., Elektroosmoticheskoe vodoponizhenie (Electroosmotic Dehydration), Moscow: Gosenergoizdat, 1958.
7. Zhinkin, G.N. and Kolganov, V.F., Elektrokhimicheskaya obrabotka gruntov v osnovaniyakh sooruzhenii (Electrochemical Treatment of Soil at Structure Bases), Moscow: Stroyizdat, 1980.
8. Stradanchenko, S.G., Dolzhikov, P.N., and Shubina, A.A., Issledovanie parametrov khimicheskogo i elektrokhimicheskogo zakrepleniya gruntov (Analysis of Parameters of Chemical and Electrochemical Soil Reinforcement), Novocherkassk: YuRGTU (NPI), 2009.
9. Prostov, S.M., Pokatilov, A.V., and Rudkovskii, D.I., Elektrokhimicheskoe zakreplenie gruntov (Electrochemical Soil Reinforcement), Tomsk: TPU, 2011.
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13. Rasskazov, I.Yu., Shkabarnya, G.N., and Shkabarnya, N.G., Electrical Tomography Exploration of Sliding-Hazardous Pitwall Rock Masses, J. Min. Sci., 2013, vol. 49, no. 5, pp. 772–778.
14. Starovoitov, A.V. and Vladov, M.L., Georadilokatsionnye issledovaniya verkhnei chasti razreza (Radar Studies of the Top Subsurface), Moscow: MGU, 2008.
15. Vladov, M.L. and Starovoitov, A.V., Vvedenie v georadiolokatskiyu (Introduction into Geo Radiolocation), Moscow: MGU, 2004.
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17. Osnovy georadiolokatsii (Basics of GPR), Moscow: Geotekh NPTs, 2006.
18. Starovoitov, A.V., Pyatilova, A.M., Shalaeva, N.V., and Kalashnikov, A.Yu., Finding Voids by GPR Method, Inzh. Izysk., 2013, no. 13.
19. Starovoitov, A.V., Romanova, A.M., Kalashnikov, A.Yu., GPR Capacities in Studies of Weakness Zones in the Top Subsurface, Inzh. Izysk., 2011, no. 4.
20. Ryzhkov, I.B. and Isaev, O.N., Staticheskoe zondirovanie gruntov (Static Testing of Soil), Moscow: ASV, 2010.
21. Ter-Martirosyan, Z.G. and Mirnyi, A.Yu., Influence of Nonuniformity on Physico-Mechanical Properties of Soil, Osnovan., fundament., mekh. gruntov, 2013, no. 6.
22. Van Qin, Hi-Hon Mo, and Shu-Zho Lu, Analysis of Influence on Mineral Composition on Micro- and Macroscopic Solidifying Properties of Loose Dispersed Soil, Osnovan., fundament., mekh. gruntov, 2013, no. 6.
23. Bondarev, V.I., Rekomendatsii po primeneniyu seismicheskoi razvedki dlya izucheniya fiziko-mekhanicheskikh svoistv rykhlykh gruntov v estestvennom zaleganii dlya stroitel’nykh tselei (Seismic Exploration Guidelines to Study Physico-Mechanical Properties of Loose Soil with a View to Construction), Moscow, 1974.
24. Anur, A., Starovoitov, A.V., and Vladov, M.L., GPR Experience in Detecting Sink Initiation in a City, Vestn. MGU, Series Geology, Moscow, 1999.
25. Nabatov, V.V., Gaisin, R.M., and Garan’kov, I.I., GPR Experience in Forecasting Conditions for Shield Drivage at Main Pipes in a Megacity, GIAB, 2011, no. 8.
26. Nabatov, V.V. and Gaisin, R.M., GPR Examination of Rocks at Operating Main Pipes to Detect Zones of Strength Loss, GIAB, 2012, no. 8.
ROCK FAILURE FORECASTING WITH 3D MODELING USING PROBABILISTIC CELLULAR AUTOMATA
D. V. Alekseev, G. A. Kazunina, and A. V. Cherednichenko
Kemerovo Institute, Plekhanov Russian University of Economics,
Kuznetskii pr. 39, Kemerovo, 650992 Russia
e-mail: dmitriyalekseev@live.ru
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: gt-kga@yandex.ru
The authors construct 3D probabilistic cellular automata to model accumulation of elementary damages and evolution of their cluster structure. Kinetic dependences of number of the clusters and evolution of time correlation functions are studied for the number of clusters and number of elementary damages. It is proved that intersection of the time autocorrelation function of a random process “number of impulses of emission” with the local minimum in the field of negative correlation can be interpreted as a sign of transition of a loaded material to a stage immediately preceding irreversible failure.
Damage accumulation modeling, emission of impulses, failure signs
DOI: 10.1134/S1062739115050088 REFERENCES
1. Kuksenko, V.S., Diagnostics and Forecasting of Failure of Large-Scale Damages, Fiz. Tverd. Tela, 2005, vol. 47, issue 5.
2. Kurlenya, M.V., Vostretsov, A.G., Kulakov, G.I., and Yakovitskaya, G.E., Registratsiya i obrabotka signalov elektromagnitnogo izlucheniya gornykh porod (Recording and Processing of Electromagnetic Emission Signals in Rocks), Novosibirsk: SO RAN, 2000.
3. Yakovitskaya, G.E., Method and Measurement Devices for Critical Condition Diagnostics in Rocks Based on Electromagnetic Emission, Dr. Tech. Sci. Dissertation, Novosibirsk, 2007.
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8. Gilyarov, V.L., Modeling Crack Growth under Failure of Heterogeneous Materials, Fiz. Tverd. Tela, 2011, vol. 53, issue 4.
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11. Kazunina, G.A. and Barinova, L.V., Statistical Distributions of Clusters of Elementary Damages in Loaded Materials: Probabilistic Cellular Automation Modeling, J. Min. Sci., 2006, vol. 42, no. 2, pp. 139–144.
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14. Alekseev, D.V. and Kazunina, G.A., Simulation Analysis of the Kinetics of Damage Accumulation Process in Loaded Materials with the Hurst Rescaled Range, J. Min. Sci., 2006, vol. 42, no. 4, pp. 369–373.
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15. Malinetskii, G.G. and Potapov, A.B., Sovremennye problemy nelineinoi dinamiki (Current Problems of the Nonlinear Dynamics), Moscow: URSS, 2002.
17. Kazunina, G.A. and Malyshin, A.A., Studies into Kinetics of Accumulation of Damages in Loaded Materials by Pulsed Electromagnetic and Photon Emission, Izv. vuzov, Fiz. Zemli, 2009, no. 6.
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ROUTE MAP FOR INNOVATION DEVELOPMENT IN COAL-MINING KUZBASS
Yu. A. Fridman, G. N. Rechko, and E. Yu. Loginova
Institute of Economics and Industrial Engineering, Siberian Branch, Russian Academy of Sciences,
pr. Akademika Lavrentieva 17, Novosibirsk, 630090 Russia
e-mail: yurifridman@mail.ru
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
The presented information is a part of the authors’ research in the field of effect exerted by innovative development of coal business on competitiveness of a region. The described conceptual model of innovation-based transformation of the coal industry in Kuzbass rests upon coordination of interests of business and authority with the purpose to improve competitive ability of a region. With this model, it is proposed to develop a route map for modernization of regional coal mining industry, which should create conditions for the coal industry to change over from being a donor to becoming a driver of economics in the Kemerovo region. At the same time, this will enable appraisal of federal and regional reserves to be efficiently used in implementation of this ambitious, difficult and expensive “project.”
Kuzbass, coal industry, progress driver, innovation-based transformation, regional development, regional cluster
DOI: 10.1134/S106273911505009Õ
REFERENCES
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13. Oparin, V.N. and Ordin, A.A., Hubbert’s Theory and the Ultimate Coal Production in Terms of the Kuznetsk Coal Basin, J. Min. Sci., 2011, vol. 47, no. 2, pp. 254–266.
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17. Plakitkin, Yu.A., Zarubezhnye modeli innovatsionnoi deyatel’nosti—metody intensifikatsii innovatsionnogo protsessa v otraslyakh TEK (Foreign Models of Innovative Activities—Methods to Intensify Innovation in Branches of the Fuel and Energy Complex), Moscow: Alfa-Montana, 2010.
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19. Kuz’mina, T.I., Innovative Development in the Coal Industry of the Russian Federation Based on Implementation of the Technological Potential of Complete Coal Processing, Dr. Econ. Sci. Dissertation, Moscow, 2012.
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21. Fridman, Yu.A., Loginova, E.Yu., and Rechko, G.N., Can Kuzbass Coal Compete on the World Market? EKO, 2014, no. 7.
22. Krasnyanskii, G.L., Zaidenvarg, V.E., Koval’chuk, A.B., and Skryl’, I.I., Ugol’ v ekonomike Rossii (Coal in Economy of Russia), Moscow: Ekonomika, 2010.
23. Starikov, A.P. and Izygzon, I.B., Methodology to Support Adaptation of a Coal Mining Company to Innovative Model of Technological Advance, Ugol’, 2009, no. 9.
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ECOLOGICAL RISK MANAGEMENT IN COAL MINING AND PROCESSING
V. G. Mikhailov, A. G. Koryakov, and G. S. Mikhailov
Gorbachev Kuzbass State Technical University,
ul. Vesennyaya 28, Kemerovo, 650000 Russia
e-mail: mvg.ief@rambler.ru
Lomonosov Moscow University of Fine Chemical Technology,
pr. Vernadskogo 86, Moscow, 119571 Russia
The article describes the analysis of theoretical and applied aspects of ecological risk management in terms of coal mining and processing companies, as well as assigns and solves tasks on identification of ecological risks, assessment of probability of undesired events, determination of structure of probable damage, assessment of risk, estimation of technological and organizational methods and measures of influence on ecological risk to reduce and avoid it, and decision-making on practical introduction of particular risk management and control measures. The groups of technological and organizational measures aimed to minimize or neutralize risks are considered. The key result of the research is the package of measures of ecological risk reduction, in particular: technologies of ultradeep purification of dielectric liquids; introduction of processing equipment for used-up tyres of heavy open pit dump trucks; formation and updating of quality management system; improvement of efficiency of reclamation of disturbed lands; treatment of hydraulic mining and coal processing waste.
Coal mines, ecological risks, environmental pollution, ecological risk management
DOI: 10.1134/S1062739115050101 REFERENCES
1. Kovalev, V.A., Potapov, V.P., and Schastlivtsev, E.L., Monitoring sostoyaniya prirodnoi sredy ugledobyvayushchikh raionov Kuzbassa (Nature Monitoring in Coal Mining Areas in Kuzbass), Novosibirsk: SO RAN, 2013.
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3. Galanina, T.V. and Ovsyannikova, S.V., Ecological Situation in Coal Mining in Kuzbass: Problems and Solutions, GIAB, 2012, no. 3.
4. Gendler, S.G., Dompal’m, E.I., Kiselev, V.A., and Kuznetsov, V.S., Principles of Estimation of Adverse Environmental Impacts of Plants based on Ecological Risk , Bezop. Truda Prom., 2014, no. 11.
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6. Slastunov, S.V. and Feit, G.N., Risk Assessment of Hazardous Natural and Technological Processes toward Environmental Protection in the Zone of Stoping, GIAB, 2007, no. 1.
7. Pashkevich, M.A. and Antsiferova, T.A., Technological Impact Risk Valuation in Fuel-and-Energy Generation Industry, Zap. Gorn. Inst., 2013, vol. 203.
8. Kuznetsova, E.V. and Myaskov, A.V., Environmental Safety: Conceptual Aspects of Mine Performance, Nauch. Vestn. MGGU, 2011, no. 5.
9. Aleksandrova, T.N., Lipina, L.N., and Grekhnev, N.I., Geoecological Estimate of State of Nature
in a Mining and Processing Plant Influence Area Using geoinformation Technologies, J. Min. Sci., 2013, vol. 49, no. 1, pp. 167–174.
10. Oparin, V.N., Potapov V. P., and Giniyatullina, O.L., Integrated Assessment of the Environmental Condition of the High-Loaded Industrial Areas by the Remote Sensing Data, J. Min. Sci., 2014, vol. 50, no. 6, pp. 1079–1087.
11. Logov, A.B., Oparin, V.N., Potapov, V.P., Schastlivtsev, E.L., and Yukina, N.I., Entropy Analysis of Process Wastewater Composition in Mineral Mining Region, J. Min. Sci., 2015, vol. 51, no. 1, pp. 186–196.
12. Bereznev, S.V., Langol’f, E.L., and Mikhailov, V.G., Ecological–Economic Risk Identification in Coal Mining Monitoring, GIAB, 2009, vol. 7, no. 12.
13. Efimov, V.I., Sidorov, R.V., and Korchagina, T.V., Predictive Estimate of Environmental Impact of a Mine in Kuzbass, Ugol’, 2014, no. 12.
14. Ubugunov, L.L., Kulikov, A.I., and Kulikov, M.A., On the Application of Risk Analysis Technology for Assessment of the Ecological Hazard of Desertification (by the Example of Republic of Buryatia), Contemporary Problems of Ecology, 2011, vol. 4, no. 2.
15. Kachurin, N.M., Efimov, V.I., Mosina, E.K., and Faktorovich, V.V., Prospects of Ecology-Friendly Industrial Waste Disposal in Mining Areas, Bezop. Truda Prom., 2014, no. 9.
16. Levchuk, I.R. and Pashkevich, M.A., Problems of Coal Mine Dump Reclamation, Nauch. Vestn. MGGU, 2011, no. 8.
17. Kazakov, V.B., Popov, S.M., Stoyanova, I.A., and Kharchenko, V.V., Methodology for Coal Mine Waste Evaluation towards Expansion of Waste Use in Economy, Ugol’, 2012, no. 4(1033).
18. Popov, S.M., Coal Mining Waste Evaluation, Nauch. Vestn. MGGU, 2013, no. 6.
19. Popov, S.M., Ecological–Economic Mechanism of Estimating and Selecting Coal Mining Waste Use Areas, GIAB, 2008, no. 5.
20. Pochinkov, I.V. and Myaskov, A.V., Review of the Current Method of Coal Mining Waste Use and Recycling, Nauch. Vestn. MGGU, 2013, no. 5.
21. Savon, D.Yu. and Abramova, M.A., Industrial Waste Processing and Recycling as a Resource-Saving Method, Ekol. Vestn. Rossii, 2014, no. 6.
22. Efimov, V.I., Choice of Criteria for Ecological–Economic Appraisal of Coal Hydromining Waste Use Variants, GIAB, 2012, no. 1.
23. Gridin, V.G., Modular Preparation and Combustion Plant for Coal–Water Slurry Fuel Made of Coal Dressing Waste, GIAB, 2009, vol. 6, no. 12.
24. Popov, S.M. and Kharchenko, V.V., Ecological–Economic Evaluation of Coal Hydromining Waste Use Areas, GIAB, 2011, no. 9.
25. Efimov, V.I. and Nikulin, I.B., Slurry Coal Briquetting, Ekologo-ekonomicheskie problemy gornogo proizvodstva i razvitiya toplivno-energeticheskogo kompleksa Rossii (Ecological–Economic Problems in Mining and Fuel-and-Energy Industry in Russia), Moscow: Gornaya Kniga, 2012.
26. Dyakov, S.N., Papin, A.V., Nevedrov, A.V., and Zhbyr, E.V., Converting Coal Slurry to Concentrate for Coke Production, Coke and Chemistry, 2012, vol. 55, no. 10.
27. Dyakov, S.N., Nevedrov, A.V., and Papin, A.V., Fluorene Production from Coke-Industry Byproducts, Coke and Chemistry, 2012, vol. 55, no. 9.
28. Petrova, V.A. and Pashkevich, M.A., Dewatered Mining-Produced Bottom Sediments in Mining Areas, Zap. Gorn. Inst., 2013, vol. 203.
29. Zaostrovtsev, V.N., Minyaeva, I.A., Sukhanevich, M.M., and Gorev, A.V., Technological Complex of Purification of Return Mining Waters, Gorny Zh., 2014, no. 3.
GEOMECHANICS
STRESS STATE OF ROCKS SURROUNDING EXCAVATIONS
UNDER VARIABLE YOUNG’S MODULUS
M. V. Kurlenya, V. E. Mirenkov, and A. A. Krasnovsky
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: mirenkov@misd.nsc.ru
Deep-level mining needs extra data on physical behavior of rocks at great depths (under high stresses). Without such data, any computations for deep-level technologies based on analogy with shallow-depth technologies are non-diagnostic. Elastic moduli of rocks may depend on the accumulated plastic deformation and their reduction is considerable in the known tests of metals. It seems interesting to study the influence of this property of rocks on distribution of residual stresses and displacements. Elastic transformation of an excavation after drivage (relief of stresses) largely affects surrounding rock mass and results in origination of a transition layer around the excavation. A local drop of deformation energy takes place in the surrounding rocks, which reduces stress concentration. The problem is studied based on an analytical solution obtained for a deep round excavation subjected to constant value compressive stresses at infinity and a solution taking into account the Young modulus. The article offers an algorithm for geomechanical condition of rocks and determines ranges for stresses and displacements in the zone of influence of excavation. Examples of calculations are given, and the results are discussed.
Excavation, rock, great depth, physical effects, Young modulus, boundary conditions, analytical solution, singular integral equations system
DOI: 10.1134/S1062739115050113 REFERENCES
1. Shemyakin, E.I., Kurlenya, M.V., Oparin, V.N., Reva, V.N., and Rozenbaum, M.A., USSR Discovery No. 400. Phenomenon of Zonal Disintegration of Rocks around an Underground Excavation, Byull. Izobret., 1992, no. 1.
2. Mirenkov, V.E., Zonal Disintegration of Rock Mass around an Underground Excavation, J. Min. Sci., 2014, vol. 50, no. 1, pp. 33–37.
3. Kurlenya, M.V., Mirenkov, V.E., and Shutov, V.A., Rock Deformation around Stopes at Deep Levels, J. Min. Sci., 2014, vol. 50, no. 6, pp. 1001–1006.
4. Muskhelishvili, N.I., Nekotorye osnovnye zadachi matematicheskoi teorii uprugosti (Some of Key Problems of Mathematical Elasticity), Moscow: Nauka, 1966.
5. Wang, X., Y. Pan, and Zhang, Z., A Spatial Strain Localization Mechanism of Zonal Disintegration through Numerical Simulation, J. Min. Sci., 2013, vol. 49, no. 3, pp. 357–367.
6. Zhon, X.P., Wang, F.H., Qian, Q.H., et al., Zonal Fracturing Mechanism in Deep Crack-Weakening Rock Masses, Theoretical and Applied Fracture Mechanics, 2008, vol. 50, no. 1.
7. Vasin, V.V., Recovery of Smooth and Discontinuous Components in the Solution of Linear Ill-Posed Problems, Dokl. AN, 2013, vol. 448, no. 2.
8. Geng, L. and Wagoner, R.H., Role of Plastic Anisotropy and Its Evolution on Strungback, Lutern. J. Mech. Sci., 2002, vol. 44, no. 148.
9. Li, K.P. and Carden, W.P., Simulation of Sprungback, Intern. J. Mech. Sci., 2002, vol. 44, no. 122.
10. Gand, T. and Kinzel, G.L., En Experimental Investigation of the Bauschinger Effect on Sprungback Predictions, J. Mater. Process. Techol., 2001, vol. 108.
11. Mirenkov, V.E. and Shutov, V.A., Matematicheskoe modelirovanie deformirovaniya gornykh porod okolo oslablenii (Mathematical Modeling of Rock Deformation around Weakening), Novosibirsk: Nauka, 2009.
JOINT PROCESSING OF SURFACE AND UNDERGROUND MICROSEISMIC MONITORING DATA IN HARD MINERAL MINING
G. N. Loginov, S. V. Yaskevich, A. A. Duchkov,
and A. S. Serdyukov
Novosibirsk State University,
ul. Pirogova 2, Novosibirsk, 630090 Russia
Trofimuk Institute of Oil and Gas Geology and Geophysics,
Siberian Branch, Russian Academy of Sciences,
pr. Akademika Koptyuga 3, Novosibirsk, 630090 Russia
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: ss3032@yandex.ru
The article discusses optimization of microseismic monitoring in hard mineral mining. A procedure has been developed to estimate accuracy of positioning of seismic event hypocenters. The advantage of combination observation system with distributed underground receiving antennas and additional sensors installed at a distance from a productive seam plane is illustrated. The obtained results are important for optimizing observation systems and improving efficiency of microseismic monitoring in hard mineral mining.
Microseismic monitoring, data acquisition system, inverse kinematic problem, hypocenter positioning
DOI: 10.1134/S1062739115050125 REFERENCES
1. Jiang, F.-X., Miao, X.-H., Wang, C.-W., Song, J.-H., Deng, J.-M., and Meng, F., Predicting Research and Practice of Tectonic-Controlled Coal Burst by Microseismic Monitoring, Journal of China Coal Society, 2010, vol. 35, no. 6.
2. Bulat, A.F., Usachenko, B.M., and Sokolovskii, V.N., Metodicheskoe posobie po kompleksnoi geofizicheskoi diagnostike porodnogo massiva i podzemnykh geotekhnicheskikh sistem (Guidelines on Integrated Geophysical Diagnostics in Rock Mass and Underground Mines), Dnepropetrovsk: IGTM NAN Urk., 2004.
3. Grebenkin, S.S., Zhitlenok, D.M., Kerkez, S.D., and Podkopaev, S.V., Inzhenernye metody predotvrashcheniya gazodinamicheskikh yavlenii (Engineering Methods to Prevent Gas-Dynamic Events), Donetsk, 2001.
4. Zakharov, V.N., Seismo-Acoustic Monitoring and Forecasting of Geo- and Gas-Dynamic Events in Underground Mining, Nauch. trudy UkrNIMI NAN Ukr., 2009, no. 5, Part 1.
5. Ivanov, B.M., Filippov, Yu.A., Indylo, S.V., and Kolesov, A.V., Seismoacoustic Supervision of Production Processes and Gas-Dynamic Events in Coal Mines, GIAB, 2007, no. 3.
6. Baig, A. and Urbancic, T., Magnitude Determination, Event Detectability, and Assessing the Effectiveness of Microseismic Monitoring Programs in Petroleum Applications, CSEG Recorder, 2010, vol. 35, no. 2.
7. Emanov, A.F., Emanov, A.A., Leskova, E.V., Fateev, A.V., and Semin, A.Yu., Seismic Activation by Coal Mining in Kuzbass, Fiz. Mezomekh., 2009, vol. 12, no. 1.
8. Pisetskii, V.B., Vlasov, V.V., Cherepanov, V.P., Abaturova, I.V., Zudilin, A.E., Patrushev, Yu.V., and Aleksandrova, A.V., Rock Mass Stability Prediction Based on the Seismic Location Method in Underground Construction, Proc. 10th EAGE Sci.–Pract. Conf. Expo Engineering Geophysics, 2014.
9. Ge, M., Efficient Mine Microseismic Monitoring, Int. J. Coal Geology, 2005, vol. 64, no. 1.
10. Serdyukov, S.V., Azarov, A.V., Dergach, P.A., and Duchkov, A.A., Equipment for Microseismic Monitoring of Geodynamic Processes in Underground Hard Mineral Mining, J. Min. Sci., 2015, vol. 51, no. 3, pp. 634–640.
11. Luo, X. and Hatherly, P., Application of Microseismic Monitoring to Characterize Geomechanical Conditions in Longwall Mining, Exploration Geophysics, 1998, vol. 29, no. 3/4.
12. Coccia, S., Lizeur, A., Bigarre, P., Contrucci, I., and Klein, E., Accurate 3D Location of Mine Induced Seismicity in Complex Near-Field Underground Conditions, Proc. 8th Int. Symp. Rockbursts and Seismicity in Mines (RaSiM 8), Geophysical Survey of Russian Academy of Sciences, Obninsk, 2013.
13. Yaskevich, S.V., Grechka, V.Yu., Duchkov, A.A., Processing Microseismic Monitoring Data, Considering Seismic Anisotropy of Rocks, J. Min. Sci., 2015, vol. 51, no. 3, pp. 477–486.
14. Kurlenya, M.V., Serdyukov, A.S., Azarov, A.V., and Nikitin, A.A., Numerical Modeling of Wavefields of Microseismic Events in Underground Mining, J. Min. Sci., 2015, vol. 51, no. 4, pp. 689–695.
NUMERICAL ANALYSIS OF PLASTIC BEHAVIOR OF GRANULAR MEDIA EXPOSED TO DEFORMATION UNDER BROKEN PATH LOADING
S. V. Klishin and A. F. Revuzhenko
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: sv.klishinv@gmal.com
Based on DEM, the problem on uniform shearing of granular material specimen is considered, the shape of the particles was chosen to be spherical, with assigned distribution per radii. At interfaces of the particles, dry friction and viscosity were taken into account. Loading was implemented as simple and broken trajectory shearing. The load trajectory was broken by means of sudden change in the shearing direction. It has been found that in this case, dilatancy rate and angle between axes of tensors of stresses and strain rates change jump-wise. The discrete medium shows the properties of the continuum model of granular material with internal friction and dilatancy. The authors discuss a criterion of the continuum model to be equivalent to the initial discrete model. Applicability of the numerical results to the continuum modeling of deformation is demonstrated.
Continuum model, granular material, stress state, strain rate, dilatancy, discrete element method, numerical analysis
DOI: 10.1134/S1062739115050137 REFERENCES
1. Kachanov, L.M., Osnovy teorii plastichnosti (Basics of Plasticity Theory), Moscow: Nauka, 1969.
2. Ishlinskii, A.Yu. and Ivlev, D.D., Matematicheskaya teoriya plastichnosti (Mathematical Theory of Plasticity), Moscow: Fizmatlit, 2001.
3. Bobryakov, A.P. and Revuzhenko, A.F., Complex Loading of Free-Flowing Materials with Breaks in the Trajectory. Procedure and Experimental Results, J. Min. Sci., 1994, vol. 30, no. 5, pp. 456–462.
4. Revuzhenko, A.F. and Klishin, S.V., Numerical Method to Construct Continuum Model of Solid Deformation Equivalent to Preset Discrete Element Model, Fiz. Mezomekh., 2012, vol. 15, no. 6.
5. Kramadzhyan, A.A., Rusin, E.P., Stazhevsky, S.B., and Khan, G.N., Enhancement of Load-Bearing Capacity of Ground Anchors with Flexible Tendons, J. Min.Sci., 2015, vol. 51, no. 2, pp. 314–322.
6. Khan, G.N., Discrete Element Modeling of Rock Failure Dynamics, J. Min. Sci., 2012, vol. 48, no.1, pp. 96–102.
7. Golovnev, I.F., Golovneva, E.I., and Fomin, V.M., Molecular–Dynamic Analysis of the Role of Surface in Failure of Nanostructures, Fiz. Mezomekh., 2014, vo. 17, no. 6.
8. Kazantsev, A.A., Klishin, S.V., and Revuzhenko, A.F., On the Pressure of Loose Material on the Bottom and Walls of a Drum, Applied Mechanics and Materials, 2014, vol. 682.
9. Revuzhenko, A.F., Klishin, S.V., and Mikenina, O.A., An Algorithm of Synthesis of Particle Packing in the Framework of Aristotelian Mechanics, Fiz. Mezomekh., 2014, vol. 17, no. 5.
10. Klishin, S.V. and Mikenina, O.A., Horizontal Pressure Coefficient in a Random Packing of Discrete Elements, J. Min. Sci., 2013, vol. 49, no. 6, pp. 881–887.
11. Klishin, S.V., Lavrikov, S.V., and Revuzhenko, A.F., Affinity Deformation of Geo-Materials as a Testing Procedure for DEM, Izv. AltGU, 2014, vol. 1(81), no. 1.
12. Bobryakov, A.P., Slip Lines in the Loose Medium with the Initial Inhomogeneity and Anisotropy, J. Min. Sci., 2002, vol. 38, no. 5, pp. 440–446.
MONITORING DYNAMIC ROCK PRESSURE EVENTS USING IMPROVED EME RECORDING INSTRUMENTATION
A. A. Bizyaev and G. E. Yakovitskaya
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: yge@ngs.ru
The article reports electromagnetic emission (EME) measurements in rocks using REMI-2 equipment and recording–diagnosing system RDS REMI-3 developed jointly at the Institute of Mining and Novosibirsk State Technical University. REMI-2 measures EME signal strength and displays the results digitally. RDS REMI-3 is advantageous over earlier designed equipment as it downloads measurement data in the embedded memory. The EME records are displayed as oscillograms to enable detecting initial stage of rock failure based on analysis of change in structure, parameters and spectrum-and-time behavior of EME signals.
Mine workings, failure, electromagnetic emission, recording, instrumentation, diagnosis
DOI: 10.1134/S1062739115050149 REFERENCES
1. Sobolev, G.A., Osnovy prognoza zemletryasenii (Earthquake Prediction Outlines), Moscow: Nauka, 1993.
2. Oparin, V.N., Sashurin, A.D., Kulakov, G.I., et al., Sovremennaya geodinamika massiva gornykh porod verkhnei chasti litosfery: istoki, parametry, vozdeistviya na ob’ekty nedropol’zovaniya (Modern Geodynamics in Top Lithosphere: Sources, Parameters, Impact), Novosibirsk: SO RAN, 2008.
3. Voznesenskii, A.S. and Nabatov, V.V., Estimate of Crack Formation in Gypsiferous Rock Mass by the Method of Electromagnetic Radiation Recording, J. Min. Sci., 2003, vol. 39, no. 3, pp. 207–215.
4. Metodicheskie ukazaniya po seismoakusticheskim i elektromagnitnym metodam polucheniya kriteriev stepeni udaroopasnosti (Guidelines on Determination of Rockburst Hazard Criteria Using Seismo-Acoustic and Electromagnetic Methods), Leningrad: VNIMI, 1980.
5. Ukazaniya po beskontaktnym geofizicheskim metodam prognoza stepeni udaroopasnosti uchastkov ugol’nykh plastov i rudnykh zalezhei (Instructions on Noncontact Geophysical Approaches to Prediction of Rockburst Hazard in Areas of Coal Beds and Ore Bodies), Leningrad: VNIMI, 1981.
6. Isaev, Yu.S., Skakun, A.P., Yakovlev, V.A., and Mil’man, G.L., New Mine Geophysical Equipment to Estimate and Monitor Structure, Properties and Condition of Rocks, Proc. Int. Conf. Mine Geophysics, Saint-Petersburg, 1998.
7. Gredina, N.G., Klimko, V.K., Kruchinin, V.A., and Mashkovtsev, E.A., Observation Results of Natural Electromagnetic Emission during Stoping, Razrabotka udaroopasnykh mestorozhdenii: mezhvuz. sb. nauch. tr. (Rockburst-Hazardous Mining: Interinstitutional Collection of Scientific Papers), Kemerovo: KuzPI, 1986.
8. Skitovich, V.P. and Lazarevich, L.M., Stress/Strain Assessment by the Method of Natural Electromagnetic Recording, Geofizicheskie sposoby kontrolya napryazhenii i deformatsii: sb. nauch. tr. (Geophysical Methods of Stress and Strain Control: Collection of Scientific Papers), Novosibirsk: IGD SO AN SSSR, 1985.
9. Kurlenya, M.V., Vostretsov, Yakovitskaya, G.E., at al., Background Electromagnetic Radiation Recorded in Underground Workings of the Tashtagol Mine, J. Min. Sci., 2002, vol. 38, no. 2, pp. 111–115.
10 Kuznetsov, S.V., Synchronous Recording of Electromagnetic and Seismoacoustic Signals, Geofizicheskie sposoby kontrolya napryazhenii i deformatsii: sb. nauch. tr. (Geophysical Methods of Stress and Strain Control: Collection of Scientific Papers), Novosibirsk: IGD SO AN SSSR, 1985.
11. Korîlevets, A.N. and Pavlyukov, V.K., Tidal Response of Pulsed Electromagnetic Radiation and Short-Term Prediction of Strong Earthquakes, Problemy seismichnosti Dal’nego Vostoka (Seismicity Issues in Russian Far East), Petropavlovsk-Kamchatsky: Kamcht. opytno-metod. seismol. part. geofiz. sluzh. RAN, 2000.
12. Vostretsov, A.G., Krivetsky, A.V., Bizyaev, A.A., and Yakovitskaya, G.E., EMR Recording Equipment for Underground Mines, J. Min. Sci., 2008, vol. 44, no. 2, pp. 218–224.
13. Kurlenya, M.V., Eremenko, A.A., and Shrepp, B.V., Geomekhanicheskie problemy razrabotki zhelezorudnykh mestorozhdenii Sibiri (Geomechanical Issues in Iron Ore Mining in Siberia), Novosibirsk: Nauka, 2001.
14. Vostretsov, A.G., Krivetsky, A.V., Bizyaev, A.A., and Yakovitskaya, G.E., Electromagnetic Emission Recording System REMI-3 for Failure Diagnostics in Rocks, Proc. 2nd Russia–China Conf Geomechanics and Geodynamics in Deep Level Mining, Novosibirsk: IGD SO RAN, 2013.
15. Yakovitskaya, G.E., Metody i tekhnicheskie sredstva diagnostiki kriticheskikh sostoyanii gornykh porod na osnove elektromagnitnoi emissii (Methods and Instruments to Detect Critical State in Rocks Based on Electromagnetic Emission), Novosibirsk: Parallel’, 2008.
16. Vostretsov, A.G., Krivetsky, A.V., Bizyaev, A.A., and Yakovitskaya, G.E., RF patent no. 2426880, Byull. Izobret., 2011, no. 23.
17. Adushkin, V.V. and Oparin, V.N., From the Alternating-Sign Explosion Response of Rocks to the Pendulum Waves in Stressed Geomedia. Part III, J. Min. Sci., 2013, vol. 50, no. 4, pp. 623–645.
SCIENCE OF MINING MACHINES
PERMANENT-MAGNET SYNCHRONOUS GENERATOR VOLTAGE STABILIZATION BY ROTATION FREQUENCY VARIATION
IN SELF-CONTAINED POWER SUPPLY SYSTEMS
B. F. Simonov, S. A. Kharitonov, and A. V. Sapsalev
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: Simonov_BF@mail.ru
Novosibirsk State Technical University,
pr. K. Marksa 20, Novosibirsk, 630073 Russia
e-mail: Kharitonov@corp.nstu.ru
Under consideration is feasibility of voltage stabilization in permanent-magnet synchronous generator with variable frequency in self-contained systems of power supply. The method of stabilization is based on varying speed of rotation of generator shaft. The authors have derived analytical expression for regulating characteristics and determined required ranges for rotational frequency variation at preset parameters of generator and loading. The symmetry conditions are found for a regulating characteristic relative to rotational speed change.
Synchronous generator, permanent magnets, variable rotation speed, voltage stabilization, regulating characteristic
DOI: 10.1134/S1062739115050162 REFERENCES
1. Kharitonov, S.A., Elektromagnitnye protsessy v sistemakh generirovaniya elektricheskoi energii dlya avtonomnykh ob’ektov (Electromagnetic Processes in Electric Power Generation Systems for Independent Installations), Novosibirsk: NGTU, 2011.
2. Kharitonov, S.A., Simonov, B.F., Korobkov, D.V., and Makarov, D.V., Voltage Stabilization in Permanent-Magnet Synchronous Generator with Variable Rotation Frequency, J. Min. Sci., 2012, vol. 48, no. 4, pp. 675–687.
3. Simonov, B.F., Kharitonov, S.A., and Mashinskii, V.V., Mechatronic System “Synchronous Generator–Three-Phase Bridge Rectifier for Self-Contained Power Facilities, J. Min. Sci., 2012, vol. 48, no. 3, pp. 497–505.
4. Herrera, J.I. and Reddoch, T.W., Testing Requirements for Variable Speed Generating Technology for Wind Turbine Applications, Electric Power Research Institute (EPRI) AP-4590, Project 1996–22, Final Report, May 1986.
5. Xiuxian, Xia, Dynamic Power Distribution Management for All Electric Aircraft, Cranfield University, 2011.
6. Gerasimov, A., Tolmachev, V., and Utkin, K., Diesel-Generator Power Stations: Variable Speed Diesel-Supported Operation, Nov. Elektrotekh., 2005, no. 4(34). Available at: http://www.news. elteh.ru/ arh/2005/34/13.php.
MINERAL DRESSING
SULFHYDRYL PHOSPHORUS-CONTAINING COLLECTORS IN FLOTATION
OF COPPER–NICKEL PLATINUM-GROUP METALS
V. A. Chanturia, A. A. Lavrinenko, L. M. Sarkisova, T. A. Ivanova,
N. I. Glukhova, E. A. Shrader, and I. V. Kunilova
Research Institute of Comprehensive Exploitation of Mineral Resources—IPKON,
Russian Academy of Sciences,
Kryukovskii tupik 4, Moscow, 11120 Russia
e-mail: lavrin_a@mail.ru
The analysis involves influence of sulfhydryl phosphorus-containing collectors (SPC) on flotation of copper–nickel ore-bearing metals from platinum group. Efficiency of SPC and butyl xanthate combination is illustrated, and their optimal ratio is determined. The authors study influence of the test agents on electrode potential and hydrophobic behavior of pyrrhotine, pentlandite and platinum black. UV and IR spectrophotometry has shown origination of disulfide di-isobutyl dithiophosphinate on the surface of pyrrhotine.
Copper–nickel ore, pyrrhotine, pentlandite, platinum black, sulfhydryl phosphorus-containing collectors, sodium di-isobutyl dithiophosphinate, flotation, electrode potential, surface hydrophobicity, adsorption
DOI: 10.1134/S106273911505020Õ
REFERENCES
1. Penberthy, C.J., Oosthuyzen, E.J., and Merkle, R. K. W., The Recovery of Platinum-Group Elements from UG-2 Chromitite, Bushveld Complex—A Mineralogical Perspective, Mineralogy and Petrology, 1999, vol. 68.
2. Shackleton, N.J., Malysiak, V., and O’Connor, C.T., Surface Characteristic and Flotation Behavior of Sperrylite and Palladoarsenide, Proc. 23rd IMPC, Int. J. Miner. Process., 2007, vol. 85.
3. Chanturiya, V.A., Matveyeva, T.N., Ivanova, T.A., and Gromova, N.K., Complex-Forming Reactant for Effective Flotation of Pt-Cu-Ni and Au-Sulfide Ores of Russia, Proc. IMPC, Beijing, 2008.
4. Chanturia, V.A., Nedosekina, T.V., and Stepanova, V.V., Experimental–Analytical Methods of Investigating the Effect of Complexing Reagents on Platinum Flotation, J. Min. Sci., 2008, vol. 44, no. 3, pp. 283–288.
5. Kabanova, L.K., Solozhenkin, P.M., and Usova, S.V., Diaryl- and Dialkyl-Dithiophosphonic Acids as Analytical Reagents, Izv. AN Tadzhik SSR, Otd. Fiz.-Mat. Geol.-Khim. Nauk, 1974, no. 3(53).
6. Chanturia, V.A., Ivanova, T.A., and Koporulina, E.V., Interaction of Sodium Diisobutyl Dithiophosphinate with Platinum in Aqueous Solutions and on Sulphide Surface, J. Min. Sci., 2009, vol. 45, no. 2, pp. 164–172.
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10. Ibragimova, O.I., Analysis of Complex Compounds of Antimony (III) and Sulfur-Bearing Ligands Using IR Spectroscopy, Akt. Probl. Gumanit. Estestv. Nauk, 2010, no. 6.
11. Usova, S.V., Physicochemical Properties of Complex Compounds of Metals and Phosphorus Dithioacids, Cand. Chem. Sci. Dissertation, Dushanbe, 1984.
12. Corin, K.C., Bezuidenhout, J.C., and O’Connor, C. T. The Role of Dithiophosphate as a Co-Collector in the Flotation of a Platinum Group Mineral Ore, Minerals Engineering, 2012, vols. 36–38.
MODIFYING ACID–BASE SURFACE PROPERTIES OF CALCITE, FLUORITE
AND SCHEELITE UNDER ELECTROMAGNETIC PULSE TREATMENT
M. V. Ryazantseva and I. Zh. Bunin
Research Institute of Comprehensive Exploitation of Mineral Resources—IPKON,
Russian Academy of Sciences,
Kryukovskii tupik 4, Moscow, 11120 Russia
e-mail: ryazanceva@mail.ru
With acid–base indicators, the change in the functional composition of surface of calcite, fluorite and scheelite under the action of high-voltage nanosecond pulses has been analyzed. After impulse treatment of mineral samples for s, the concentration of electron–donor Lewis (ðÊà = – 4.4) and proton-donor (ðÊà = 1.3, ðÊà = 4.1) Bronsted centers has grown on the surface of calcite. It is shown in the article that basic transformations of fluorite and scheelite surface under pulse treatment are connected with mutual transformations of Lewis bases and Bronsted acids.
Calcite, fluorite, scheelite, nanosecond electromagnetic pulses, indicator method, acid–base properties, solid surface
DOI: 10.1134/S1062739115050212 REFERENCES
1. Chanturia, V.A., Bunin, I.Zh., Ryazantseva, M.V., and Khabarova, I.A., Influence of Nanosecond Electromagnetic Pulses on Phase Surface Composition, Electrochemical, Sorption and Flotation Properties of Chalcopyrite and Sphalerite, J. Min. Sci., 2012, vol. 48, no. 4, pp. 732–740.
2. Chanturia, V.A., Bunin, I.Zh., Ryazantseva, M.V., and Khabarova, I.A., X-Ray Photoelectron Spectroscopy-Based Analysis of Change in the Composition and Chemical State of Atoms on Chalcopyrite and Sphalerite Surface before and after the nanosecond Electromagnetic Pulse Treatment, J. Min. Sci., 2013, vol. 49, no. 3, pp. 489–498.
3. Chanturia, V.A., Bunin, I.Zh., Ryazantseva, M.V., Khabarova, I.A., et al., Surface Activation and Induced Change of Physicochemical and Process Properties of Galena by nanosecond Electromagnetic Pulses, J. Min. Sci., 2014, vol. 49, no. 3, pp. 573–586.
4. Chanturia, V.A., Bunin, I.Zh., and Kovalev, A.T., Field Emission in Sulfide Minerals under High-Power Nanosecond Pulses, Izv. RAN, Series: Physics, 2007, vol. 71, no. 5.
5. Chanturia, V.A., Filippova, I.V., Filippov, L.O., Ryazantseva, M.V., and Bunin, I.Zh., Effect of Powerful Nanosecond Electromagnetic Impulses on Surface and Flotation Properties of Carbonate-Bearing Pyrite and Arsenopyrite, J. Min. Sci., 2008, vol. 44, no. 5, pp. 518–530.
6. Ivanova, T.A., Bunin, I.Zh., and Khabarova, I.A., Oxidation of Sulfide Minerals under Nanosecond Electromagnetic Pulse Treatment, Izv. RAN, Series: Physics, 2008, vol. 72, no. 10.
7. Bunin, I.Zh., Chanturia, C. A. Ryazantseva, M.V., Koporulina, E.V., and Khabarova, I.A., Phase Composition Change on the Surface of Sulfide Minerals under Influence of High-Power Nanosecond Pulses, Izv. RAN, Series: Physics, 2015, vol. 79, no. 6.
8. Chanturiya, V.A., Bunin, I.Zh., Ryazantseva, M.V., and Khabarova, I.A., Use of High-Power Nanosecond Electromagnetic Pulses (HPEMP) for the Modification of the Sulphides Surface, Proc. 16th Balkan Mineral Processing Congress (XVI BMPC, Plenary Report), 2015, vol. I.
9. Barsky, I.A., Konov, O.V., and Ratmirova, L.I., Selektivnaya flotatsiya kal’tsiisoderzhashchikh mineralov (Selective Flotation of Calcium-Containing Minerals), Moscow: Nedra, 1979.
10. Nechiporenko, A.P., Burenina, T.A., and Kol’tsov, S.I., Indicator Method to Study Surface Acidity of Solid Substances, Zh. Obshch. Khim., 1985, vol. 55, no. 9.
11. Nechiporenko, A.P., Donor–Acceptor Properties of Surfaces of Solid Oxides and Chalcogenides, Dr, Chem. Sci. Dissertation, Saint-Petersburg, 1995.
12. Tanabe, K., Solid Acids and Bases, Academic Press, 1970.
13. Olemskii, A.I. and Katsnel’son, A.A., Sinergetika kondensirovannoi sredy (Condensed Medium Synergetics), Moscow: Editorial URSS, 2003.
14. Pikaev, A.K., Sovremennaya radiatsionnaya khimiya: Radioliz gazov i zhidkostei (Modern Radiation Chemistry: Radiolysis of Gases and Liquids), Moscow: Nauka, 1986.
OPTIMIZED ACTIVITY RATIO FOR DIFFERENT TYPES OF REAGENT ATTACHMENT AT SULFIDE MINERALS
S. A. Kondrat’ev, N. P. Moshkin, and E. A. Burdakova
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: kondr@misd.nsc.ru
Lavrentiev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences,
pr. Akademika Lavrentieva 15, Novosibirsk 630090 Russia
e-mail: nikolay.moshkin@gmail.ru
The authors evaluate the ratio of activities exhibited by physical and chemical adsorptions of an agent on sulfide minerals. The following assumptions are made: 1) the main kinetic restriction for flotation contact (particle–bubble interaction) is the film between mineral particle and air bubble; 2) water is removed from the film by both physical and chemical adsorptions; 3) the water volume removed by physical adsorption is conditioned by the difference in the volumes of water in the films bounded by meniscuses with advancing angle ?A and receding angle QR and neck radius R. The water volume removed under the action of surface forces (hydrophobic, dispersive) was disregarded as the agent attachment was low dense and mosaic. The article reports experimental data on limit values of static advancing and receding angles on the surface of some sulfide metals. It is shown that selectivity of flotation of sulfides depends on the ratio of water volumes removed from the film by desorbable physical adsorption and non-desorbable chemical adsorption types of agents. The proposed method of selectivity estimation is suitable for minerals with similar (close) properties of the surface when stabilizing ion–electrostatic interaction between minerals and air bubbles is absent or insignificant. The calculation results may be of use to optimizing collecting ability of physically adsorbed low-polar or desorbable species of ionized agent with intent to improve selectivity of separation of sulfide minerals.
Flotation, sulfides, physical and chemical adsorptions, mineral particle, meniscus, critical film thickness, selectivity
DOI: 10.1134/S1062739115040224 REFERENCES
1. Aronson, M.P. and Princen, H.M., Aqueous Films on Silica in the Presence of Cationic Surfactants, Colloid & Polymer Science, 1978, vol. 256.
2. Laskowsky, L. and Kitchener, J.A., The Hydrophilic–Hydrophobic Transition on Silica, Journal of Colloid and Interface Science, 1969, vol. 24, no.4.
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6. Pan, L., Jung, S., and Yoon, R.-H., Effect of Hydrophobicity on the Stability of the Wetting Films of Water Formed on Gold Surfaces, Journal of Colloid and Interface Science, 2011, vol. 261.
7. Pan, L. and Yoon, R.-H., Role of Disjoining Pressure and Curvature Pressure in Bubble–Particle Interactions, International Mineral Processing Congress (IMPC) 2012 Proceedings, New Delhi, 2012.
8. Pan, L., Jung, S., and Yoon, R.-H., A Fundamental Study on the Role of Collector in the Kinetics of Bubble–Particle Interactions, International Journal of Mineral Processing, 2012, vols. 106–109.
9. Finch, J.A. and Smith, G.W., Dynamic Surface Tension of Alkaline Dodecylamine Solutions, Journal of Colloid and Interface Science, 1973, vol. 45, no.1.
10. Hyunsun, Do., Development of a Turbulent Flotation Model from First Principles, Doctor of Philosophy in Engineering Mechanics Dissertation, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 2010.
11. Kirjavainen, V., Schreithofer, N., and Heiskanen, K., Effect of Some Process Variables on Flotability of Sulfide Nickel Ores, Int. J. Miner. Process., 2002, vol. 65.
12. Kuopanportti, H., Suorsa, T., Dahl, O., and Niinimaki, J., A Model of Conditioning in the Flotation of a Mixture of Pyrite and Chalcopyrite Ores, Int. J. Miner. Process., 2000, vol. 59.
13. Kondrat’ev, S.A. and Ryaboi, V.I., Collecting Force of Dithiophosphates and Its Connection with Selective Recovery of Useful Components, Obog. rud, 2015, no. 3.
14. Plaksin, I.N. and Shafeev, R.Sh., Effect of Electrochemical Surface Heterogeneity of Sulfides on Distribution of Xanthate during Flotation, Dokl. AN SSSR, 1958, vol. 121, no. 1.
15. Kondrat’ev, S.A. and Moshkin, N.P., Foam Separation Selectivity Conditioned by the Chemically Attached Agent, J. Min. Sci., 2014, vol. 50, no. 4, pp. 780–787.
16. Brenner, M.P. and Lohse, D., Dynamic Equilibrium Mechanism for Surface Nanobubble Stabilization, The American Physical Society, Physical Review Letters, 2008, vol. 101(21).
17. Simonsen, A.C., Hansen, P.L., and Klosgen, B., Nanobubbles Give Evidence of Incomplete Wetting at a Hydrophobic Interface, Journal of Colloid and Interface Science, 2004, vol. 273.
18. Zhang, X.H., Li, G., Maeda, N., and Hu, J., Removal of Induced Nanobubbles from Water/Graphite Interfaces by Partial Degassing, Langmuir, 2006, vol. 22.
COPPER ADSORPTION ON POROZHINSKOE MANGANESE ORE
G. R. Bochkarev, K. A. Kovalenko, and G. I. Pushkareva
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: grboch@misd.nsc.ru
The authors have analyzed copper adsorption on manganese ore from Porozhinskoe deposit. The results allow a hypothesis on the mechanisms of adsorption kinetics: adsorption rate is limited both by diffusion processes and by chemical interaction. The analysis of adsorption isotherm and its mathematical processing show that copper exhibits strong affinity toward manganese ore surface; the Langmuir equation describes the copper adsorption equilibrium with high correlation factor. The Gibbs energy has negative value.
Manganese ore, copper, adsorption kinetics, adsorption isotherm
DOI: 10.1134/S1062739115040236 REFERENCES
1. Bochkarev, G.R., Pushkareva, G.I., and Kovalenko, K.A., Natural Sorbent and Catalyst to Remove Arsenic from Natural and Waste Waters, J. Min. Sci., 2010, vol. 46, no. 2, pp. 197–202.
2. Bochkarev, G.R., Pushkareva, G.I., and Kovalenko, K.A., Sorption Properties of Manganese Ores, J. Min. Sci., 2011, vol. 47, no. 6, pp. 837–841.
3. Kondrat’ev, S.A., Rostovtsev, V.I., Bochkarev, G.R., Pushkareva, G.I., and Kovalenko, K.A., Justification and Development of Innovative Technologies for Integrated Processing of Complex Ore and Mine Waste, J. Min. Sci., 2014, vol. 50, no. 5, pp. 959–973.
4. Polyanskii, N.G., Gorbunov, G.V., and Polyanskaya, N.L., Metody issledovaniya ionitov (Methods to Study Ionites), Moscow: Khimiya, 1976.
5. Klimenko, I.A., et al., Metodicheskie rekomendatsii 15. Sorbtsionnoe izvlechenie tsennykh komponentov iz prirodnykh vod i tekhnologicheskikh rastvorov (Guidelines no. 15. Sorption of Valuable Components from Natural and Waste Water), Moscow: VIMS, 1981.
6. Koganovskii, A.M., Klimenko, N.A., Levchenko, T.M., Marutovskii, R.M., and Roda, I.G., Adsorbtsionnaya tekhnologiya ochistki stochnykh vod (Adsorption Technology for Wastewater Treatment), Kiev, Naukova dumka, 1981.
7. Buravlev, V.O., Kondratyuk, E.V., Komarova, L.F., Sorption Properties of Modified Basalt Fiber to Remove Manganese Ions from Water, Khim. Tekhnol. Vody, 2013, vol. 35, no. 3.
8. Helferich, F.G., Ion Exchange, McGraw Hill, 1962.
9. Cheung, W.H., Ng, J. C. Y., and McKay, G., Kinetic Analysis of the Sorption of Copper (II) Ions on Chitosan, J. Chem. Technol. Biotechnol., 2003, vol. 78, no. 5.
10. Ho, Y.S., Pseudo-Second Order Model for Sorption Processes, Process Biochemistry, 1999, vol. 34.
11. Hî, Y.S., Kinetics of Pollutant Sorption by Biosorbents: Review, Separ. Purif. Methods, 2000, vol. 20, no. 2.
12. Frolov, Yu.G., Kurs kolloidnoi khimii. Poverkhnostnye yavleniya i dispersnye sistemy: ucheb. dlya vuzov (Course of Colloid Chemistry. Surface Phenomena and Dispersed Systems: University textbook), Moscow: Khimiya, 1988.
13. Gregg, S.J. and Sing, K. S. W., Adsorption: Surface Area and Porosity, London: Academic Press, 1982.
14. Parfitt, G.D. and Rochester, C.H. (Eds.), Adsorption from Solution at the Solid/Liquid Interface, Academic Press, 1983.
15. Putilina, V.S., Galitskaya, I.V., and Yuganova, T.I., Adsorbtsiya tyazhelykh metallov pochvami i gornymi porodami. Kharakteristiki sorbenta, usloviya, parametry i mekhanismy adsorbtsii: analit. obzor (Heavy Metal Adsorption in Soil and Rocks. Sorbent Characteristics, Adsorption Conditions, Parameters and Mechanisms: Analytical Review), Novosibirsk: GPNTB SO RAN, 2009.
16. Khokhotova, A.P., Adsorption of Heavy Metals by A Redwood Bark-Based Sorbent, Khim. Tekhnol. Vody, 2010, vo. 32, no. 6.
PREDICTION OF STRUCTURAL–CHEMICAL CHANGE IN MINERALS
UNDER MECHANICAL IMPACT DURING MILLING
T. S. Yusupov, F. Kh. Urakaev, and V. P. Isupov
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences,
pr. Akademika Lavrentieva 3, Novosibirsk, 630090 Russia
e-mail: yusupov@igm.nsc.ru
Institute of Chemistry of Solid and Mechanochemistry, Siberian Branch, Russian Academy of Sciences,
ul. Kutateladze 18, Novosibirsk, 630128 Russia
e-mail: isupov@solid.nsc.ru
There is sufficient experimental database thus far collected on structural and chemical changes in minerals with different types of chemical bonding under activation milling. The research has shown the possibility to predict specifics of grinding and defect formation in minerals with different types of chemical bonding. The article shows that type and number of defects formed on the surface of minerals govern important processing properties of the minerals such as capacities to be hydrated, dissolved, floated etc.
Mineral, fine grinding, defect formation, amorphization, dissolvability, floatability, surfactants
DOI: 10.1134/S1062739115040248 REFERENCES
1. Chanturia, V.A., Technological Innovations in Processing of Rebellious Minerals, Geolog. Rud. Mestorozhd., 2008, vol. 50, no. 6.
2. Yusupov, T.S., Ore Separation Improvement through Selective Grinding, Fundamental Problems of GeoEnvironment Formation under Industrial Impact: Conf. Proc., Novosibirsk: IGD SO RAN, 2012, vol. 1.
3. Khodakov, G.S., Fizika izmel’cheniya (Physics of Milling), Moscow: Nauka, 1972.
4. Molchanov, I.I. and Yusupov, T.S., Fizicheskie i khimicheskie svoistva tonkodispergirovannykh mineralov (Physical and Chemical Properties of Finely Dispersed Materials), Moscow: Nedra, 1981.
5. Balaz, P., Mechanochemistry in Nanosience and Minerals Engineering, Berlin: Springer, 2008.
6. Boldyrev, V.V., Chemistry of Solid, Problems and Prospects, Izv. SO AN SSSR, Series: Chemical Sciences, 1976, no. 4, issue 2.
7. Rebinder, P.A., O prirode treniya tverdykh tel (Nature of Friction of Solids), Moscow, 1971.
8. Yusupov, T.S., Grigor’eva, T.N., Korneva, T.A., et al., Change in Structural Characteristics of Fluorite Depending on Process Factors of Dispergating, Molekulyarnaya spektroskopiya i rentgenografiya mineralov (Molecular Spectroscopy and X-Ray Imaging of Minerals), Novosibirsk, 1981.
9. Kulebakin, V.G. and Yusupov, T.S., Some Physicochemical Features of Finely Dispersed Chalcopyrite, Materialy po geneticheskoi i eksperimental’noi mineralogii (Materials on Genetic and Experimental Mineralogy), Novosibirsk, 1976.
10. Kulebakin, V.G., Yusupov, T.S., and Pantyukova, L.P., Phase Transformations of Pyrrhotine under Activation, Voprosy geneticheskoi petrologii (Genetic Petrology Issues), Novosibirsk: 1981.
11. Yusupov, T.S., Kirillova, E.A., and Shumskaya, L.G., Analysis of Structural and Process Changes in Ore Minerals under High-Velocity and High-Energy Milling, Modern Integrated and Deeper Conversion of Rebellious Minerals—Plaksin’s Lectures: Int. Conf. Proc., Irkutsk, 2015.
12. Yusupov, T.S., Kirillova, E.A., and Lebedev, M.P., Tribochemical Treatment of Feldspathic–Quartz Ore in Froth Separation, J. Min. Sci., 2013, vol. 49, no. 2, pp. 290–295.
13. Yusupov, T.S. and Kirillova, E.A., Effect of Surfactants on Structural and Chemical Characteristics of Minerals under Fine Grinding, Khim. Interes. Ust. Razv., 2009, vol. 17.
14. Kondrat’ev, S.A., Reagenty-sobirateli v elementarnom akte flotatsii (Collecting Agents in Elementary Act of Flotation), Novosibirsk: SO RAN, 2012.
15. Revnivtsev, V.I., Gaponov, G.V., Zarogatskii, L.P., et al., Selektivnoe razrushenie mineralov (Selective Destruction of Minerals), Moscow: Nedra, 1988.
GEOINFORMATION SCIENCE
CLOUD COMPUTING IN SEISMIC DATA PROCESSING
BASED ON VORONOI DIAGRAMS USING GOOGLE APP ENGINE
V. P. Potapov, V. N. Oparin, O. L. Giniyatullina, and I. E. Kharlampenkov
Kemerovo Division, Institute of Computational Technologies,
Siberian Branch, Russian Academy of Sciences,
ul. Rukavishnikova 21, Kemerovo, 650025 Russia
e-mail: kembict@gmail.com
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: oparin@misd.ncs.ru
The authors offer a new approach to processing seismological reports using Voronoi diagrams to detect clustered dynamic events in an area exposed to high production loading, implemented as a cloud service in the framework of geomechanical–geodynamic safety system of Kuzbass. The cloud service allows pre-processing of array of seismic events prior to computation of migration trajectories of reduced seismic energy release centers according to Oparin, which greatly improves computation accuracy. The article reports the results of seismicity assessment for the Kemerovo Region using the chain of services “Voronoi diagram–migration trajectories of reduced seismic energy release centers.”
Geomechanical and geodynamic safety, coal mining areas in Kuzbass, geoinformation technologies, web-services, cloud hostings, seismic event migration, seismic report processing
DOI: 10.1134/S106273911504026Õ
REFERENCES
1. Bychkov, I.V., Oparin, V.N., and Potapov, V.P., Cloud Technologies in Mining Geoinformation Science, J. Min. Sci., 2014, vol. 50, no. 1, pp. 142–154.
2. Peterson, M. (Ed.), OnLine Maps with API and WebService, New York, Heidelberg: Springer, 2012.
3. Lee, R., Pro Web 2.0 Mashups: Remixing data and Web Service, New York: Springer, Verlag, 2008.
4. Oparin, V.N., Methodological Basis for Multilayer Geomechanical and Geodynamic Safety Monitoring in Mining Areas under High Tectonic Activity, Problems and Ways of Innovative Development in Mining: Proc. 6th Int. Sci.-Pract. Conf., Almaty, 2012.
5. Oparin, V.N., et al., Destruktsiya zemnoi kory i protsessy samoorganizatsii v oblastyakh sil’nogo tekhnogennogo vozdeistviya (Destruction and Self-Organization in the Crust in the Areas of High Anthropogenic Impact), N. N. Mel’nikov (Ed.), Novosibirsk: SO RAN. 2012.
6. Oparin, V.N., Sashurin, A.D., Kulakov, G.I., et al., Sovremennaya geodinamika massiva gornykh porod verkhnei chasti litosfery: istoki, parametry, vozdeistvie na ob’ekty nedropol’zovaniya (Modern Geodynamics in the Upper Lithosphere: Sources, Parameters, Impact), Novosibirsk: SO RAN, 2008.
7. Oparin, V.N., Potapov, V.P., Popov, S.E., Zamaraev, R.Yu., Kharlampenkov, I.E., Development of Distributed GIS Capacities to Monitor Migration of Seismic Events, J. Min. Sci., 2010, vol. 46, no. 6, pp. 666–671.
8. Oparin, V.N., Potapov, V.P., Giniyatullina, O.L., and Kharlampenkov, I.E., Fractal Analysis of Geodynamic Event Migration Paths in the Kuzbass Area, J. Min, Sci., 2012, vol. 48, no. 3, pp. 474–479.
9. Potapov, V.P., Oparin, V.N., Logov, A.S., Zamaraev, R.Yu., and Popov, S.E., Regional Geomechanical–Geodynamic Control Geoinformation System with Entropy Analysis of Seismic Events (in Terms of Kuzbass), J. Min. Sci., 2013, vol. 49, no. 3, pp. 482–488.
10. Iaspei Seismic Format (ISF). Available at: http://www.isc.ac.uk/standards/isf.
11. QuakeML XML Schema, version 1.2. Available at: http://quakeml.org/xmlns/quakeml/1.2.
12. Preparata, F.P. and Shamos, M., Computational geometry: An Introduction, Springer, 1993.
13. Asanov, M.O. and Baranskii, V.A., Diskretnaya matematika (Discrete Mathematics), Izhevsk: NITs RKhD, 2001.
14. Karavelas, M.I., A Robust and Efficient Implementation for the Segment Voronoi Diagram, Proc. 1st Int. Symp. on Voronoi Diagrams in Science and Engineering, 2004.
15. Aurenhammer, F., Voronoi Diagrams—A Survey of a Fundamental Geometric Data Structure, Acm. Computing Surveys, 1991, vol. 23, no. 3.
16. Fortune, S., Progress in Computational Geometry, Directions in Geometric Computing, Information Geometers., Ltd, 1993.
17. Voronov, A.A., Method for Rectangle Cover of Subjects of Topology in Microcircuits Based on Using Generalized Voronoi Diagram, Iskusst. Intellekt, 2009, no. 3.
NEW METHODS AND INSTRUMENTS IN MINING
PROTECTION OF OPERATING DEGASSING HOLES FROM AIR INFLOW
FROM UNDERGROUND EXCAVATIONS
T. V. Shilova and S. V. Serdyukov
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: ss3032@yandex.ru
The article considers the method of recovering structural integrity of operating degassing holes without outage and the scheme of cross-wise hydraulic fracturing in the hole-bottom zone using mechanical anchor. Advantages of the scheme with anchor are discussed as against directional fracturing with a slot initiator. The technical solutions on protection of methane drainage zone from air leaks from underground excavations are presented.
Coal bed, degassing hole, directional hydraulic fracturing, impermeable screen, air leak-in prevention, fracturing pressure, down-hole equipment
DOI: 10.1134/S1062739115040272 REFERENCES
1. Kurlenya, M.V., Shilova, T.V., Serdyukov, S.V., and Patutin, A.V., Sealing of Coal Bed Methane Drainage Holes my Barrier Screening Method, J. Min. Sci., 2014, vol. 51, no. 4, pp. 814–818.
2. Kurlenya, M.V., Serdyukov, S.V., Shilova, T.V., and Patutin, A.V., Procedure and Equipment for Sealing Coal Bed Methane Drainage Holes by Barrier Shielding, J. Min. Sci., 2014, vol. 50, no. 5, pp. 994–1000.
3. Serdyukov, S.V., Patutin, A.V., Serdyukov, A.S., and Shilova, T.V., RF patent no. 2507378, Byull. Izobret., 2014, no. 5.
4. Instruktsiya po degazatsii ugol’nykh shakht (Guidelines on Coal Mine Degassing), Moscow: ZAO NTTs PB, 2011.
5. Lekontsev, Yu.M. and Sazhin, P.V., Directional Hydraulic Fracturing in Difficult Caving Roof Control and Degassing, J. Min. Sci., 2014, vol. 50, no. 5, pp. 914–917.
6. Kehle, O.R., Determination of Tectonic Stresses through Analysis of Hydraulic Well Fracturing, J. Geophys. Research, 1964, vol. 69, no. 2.
7. Hubbert, Ì.Ê. and Willis, D. G. Mechanics of Hydraulic Fracturing, Trans. A. I. M.E, 1957, vol. 210.
8. Rummel, F. and Jung, R.J., Hydraulic Fracturing Stress Measurements near the Hohenzollern-Graben-Structure, SW Germany, Pure Appl. Geophys., 1975, vol. 113, no. 1.
9. Sneddon, I.N., Distribution of Stress in the Neighborhood of a Crack in an Elastic Solid, Proc. Roy. Soc. London, Ser. A., 1946, vol. 187.
10. Hasebe, N., Edge Crack in a Semi-Infinite Plate to Rigid Stiffener, Proc. Japan Soc. Engrs., 1981, no. 314.
11. Bentem, J.P. and Koiter, W.T., Asymptotic Approximations to Crack Problem, Leyden: Noordhoof Int. Publ., 1972.
PROCESS AND MEASURING EQUIPMENT TRANSPORT
IN UNCASED BOREHOLES
V. V. Timonin and A. S. Kondratenko
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences,
Krasnyi pr. 54, Novosibirsk, 630091 Russia
e-mail: trimonin@misd.nsc.ru, kondratenko@misd.nsc.ru
Results of design and analysis of system to transport equipment in uncased boreholes drilled from underground excavations are reported. A thruster is a pneumatic percussion device. The optimal parameters of the transport system operation in various conditions are determined. Using mathematical description of movement of thruster in well, the authors derive relations for the thruster velocity as a function of various initial data.
Drilling technologies, geophysical borehole investigations, equipment transport system for horizontal boreholes, pneumatic percussion device
DOI: 10.1134/S1062739115040284 REFERENCES
1. Hungerford, F., Ren, T., and Aziz, N., Evolution and Application of In-Seam Drilling for Gas Drainage, International Journal of Mining Science and Technology, 2013, vol. 23.
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