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Stanislav V. Kovshov
Stanislav V. Kovshov
Associate Professor, Ph.D.
Saint Petersburg Mining University
Associate Professor, Ph.D.
Saint Petersburg Mining University
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Articles

Geotechnical Engineering and Engineering Geology
  • Date submitted
    2021-10-14
  • Date accepted
    2022-01-25
  • Date published
    2022-04-29

Monitoring of compressed air losses in branched air flow networks of mining enterprises

Compressed air as a type of safe technological energy carrier is widely used in many industries. In economically developed countries energy costs for the production and distribution of compressed air reach 10 % of the total energy costs. The analysis of compressed air production and distribution systems in the industrial sector shows that the efficiency of the systems is at a relatively low level. This is due to the fact that insufficient attention is paid to these systems since the compressed air systems energy monitoring has certain difficulties – the presence of complex and branched air pipeline networks with unique characteristics; low sensitivity of the equipment which consumes compressed air; the complexity of auditing pneumatic equipment that is in constant operation. The article analyzes the options for reducing the cost of production and compressed air distribution. One of the promising ways to reduce the compressed air distribution cost is timely detection and elimination of leaks that occur in the external air supply network of the enterprise. The task is solved by hardware-software monitoring of compressed air pressure at key points in the network. The proposed method allows real-time detecting of emerging air leaks in the air duct network and sending commands to maintenance personnel for their timely localization. This technique was tested in the industrial conditions of ALROSA enterprises on the air pipeline network of the Mir mine of the Mirninsky Mining and Processing Plant and showed satisfactory convergence of the calculated leakage values ​​with the actual ones. The practical significance of the obtained results is that the developed method for monitoring air leaks in the air duct network is simple, it requires an uncomplicated software implementation and allows to localize leaks in a timely manner, thereby reducing unproductive energy costs at the enterprises.

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Semen G. Gendler, Valeriy F. Kopachev, Stanislav V. Kovshov (2022) Monitoring of compressed air losses in branched air flow networks of mining enterprises. Journal of Mining Institute. Vol 253. p. 3-11. DOI: 10.31897/PMI.2022.8
Industrial safety and health care in mining
  • Date submitted
    2016-10-25
  • Date published
    2014-01-01

Water economic recultivation of sandy opencasts in leningrad region as the complex way of decision of region’s environmental problems

One of the most perspective recultivation directions of the fulfilled sandy open-cast mines is water economic. Thereof working out of new more simple and economic projects water economic recultivation is required, thus capable in a complex to solve various geoenvironmental problems. The short review of the basic existing recultivation directions the fulfilled sandy open-cast mines is given. The water economic direction in which the special accent becomes on designing of fire reservoirs is in more details analyzed.

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S. V. Kovshov, M. M. Yakubovskii, V. P. Kovshov (2014) Water economic recultivation of sandy opencasts in leningrad region as the complex way of decision of region’s environmental problems. Journal of Mining Institute. Vol 207. p. 112.
Industrial safety and health care in mining
  • Date submitted
    2016-10-25
  • Date published
    2014-01-01

A new chemical method of dust suppression for the storage of the rock mass

The using of chemically-active reagents is one of the most promising directions in the process of dust suppression. Due to the need to develop new ways of suppression of dust during storage of the rock mass. The paper provides the analysis of the use of calcium carbide as an element of the dust suppression system and the system of permafrost rocks.

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G. I. Korshunov, V. P. Kovshov, S. V. Kovshov, A. Kh. Erzin (2014) A new chemical method of dust suppression for the storage of the rock mass. Journal of Mining Institute. Vol 207. p. 116.
Industrial safety and health care in mining
  • Date submitted
    2016-10-25
  • Date published
    2014-01-01

Experience of implementing electromagnetic shielding on OJSC «Mordovcement»

The negative effects of electromagnetic waves could be appear during violation of the designing established rules of installation and operating various sources of electromagnetic fields. Permanent action of electromagnetic small intensity waves have negatively influence on the enterprise’s workers. Employees feels tired, working capacity can be reduced, there is an un-reasonable irritability, periodic headaches and dream violation. This article is offers a package of measures to reduce electromagnetic load on staff of JSC «Mordovcement», by introduction of electromagnetic shielding system of the industrial frequency fields.

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P. S. Sedov, S. V. Kovshov, Z. N. Cherkai (2014) Experience of implementing electromagnetic shielding on OJSC «Mordovcement». Journal of Mining Institute. Vol 207. p. 138.
Environmental protection technologies, research, processing and utilization of technogenic structures, recycling of ...
  • Date submitted
    2016-11-02
  • Date published
    2013-04-01

Processing of organic waste with biogaswormtechnology

On the basis of world and Russian experience, and also the spent experimental researches high efficiency of processing of a firm and liquid organic waste on a basis biogaswormtechnology is established. On the basis of the Mining University the physical biogaswormtechnology farm model is created. On the basis of this model were studied biogas and worm technology processes of processing of an organic waste. Physical and chemical properties of initial raw materials, and also a received product – a biohumus and biogas are  analysed.

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Yu. D. Smirnov, S. V. Kovshov, A. N. Nikulin (2013) Processing of organic waste with biogaswormtechnology. Journal of Mining Institute. Vol 203. p. 104.
Modern methods and technologies remediation areas
  • Date submitted
    2016-11-02
  • Date published
    2013-04-01

Water economic recultivation of sandy opencasts in Leningrad region as the complex way of decision of region’s environmental problems

One of the most perspective recultivation directions of the fulfilled sandy open-cast mines is water economic. Thereof working out of new more simple and economic projects water economic recultivation is required, thus capable in a complex to solve various geoenvironmental problems. The short review of the basic existing recultivation directions the fulfilled sandy open-cast mines is given. The water economic direction in which the special accent becomes on designing of fire reservoirs is in more details  analyzed.

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V. P. Kovshov, M. M. Yakubovskii, S. V. Kovshov (2013) Water economic recultivation of sandy opencasts in Leningrad region as the complex way of decision of region’s environmental problems. Journal of Mining Institute. Vol 203. p. 133.
Topical issues in mining of ore and nonmetallic minerals
  • Date submitted
    2016-11-23
  • Date published
    2012-01-01

Working out innovative dust control devices for conditions of northern regions

Around placing of the enterprises of a mineral complex, and especially in areas of placing   of sailings, as a result of mass emissions of a dust in environment there are adverse ecological conditions, and also, level of dust loading on an organism of the worker increases. In article the way of dust control, based on mechanical catching of the weighed particles by snow, on filtering and shielding action of snow is  considered.

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Yu. D. Smirnov, S. V. Kovshov, A. V. Ivanov (2012) Working out innovative dust control devices for conditions of northern regions. Journal of Mining Institute. Vol 195. p. 133.
Mining
  • Date submitted
    2016-12-19
  • Date published
    2010-02-01

Biogene ways of decrease in dust loading on open-cast mines of building materials

One of the basic sources of environmental contamination are the technogenic files having the broken surface on which under influence of atmospheric conditions there are formation of dust processes. The brief review of the basic existing directions of struggle against a dust at the mountain enterprises is given. Biological dust removal ways among which the special accent is done on use of wormtechnology opportunities for these purposes are in more detail analyzed. Wormtechnology is one of the most productive ways of organic waste processing (including and organic waste mining industries) by means of earthworms. This biotechnology has high efficiency not only for broken technogenic files recultivation, and by that, reduces volumes of a formed dust, but also solves a waste problem, which is emphasized by one of key problems of a modern society development.

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S. V. Kovshov, A. A. Bul'bashev (2010) Biogene ways of decrease in dust loading on open-cast mines of building materials. Journal of Mining Institute. Vol 186. p. 54.