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A model of investigation of
change of inventories for optimization multi-parameter processes of mining
production
A.A. Khorolskyi1*
1Branch for
Physics of Mining Processes of the M.S. Poliakov Institute of Geotechnical Mechanics the National Academy of Sciences of Ukraine, Dnipro, Ukraine
*Corresponding author: e-màil:
andreykh918@gmail.com
Physical and technical
problems of mining production, 2023, (25), 153-175.
https://doi.org/10.37101/ftpgv25.01.012
full text (pdf)
ABSTRACT
Purpose. Develop
a new approach to the design of processes that accompany the development of
mineral deposits. This will allow considering the multiplicity and
different degree of influence of the parameters on the overall efficiency.
Methods.
A decomposition approach is applied to optimize
multi-parameter processes of mining production. Network models and
optimization algorithms on networks and graphs for finding the optimal
strategy for the development of mineral deposits. A model of the study of
changes in the state of reserves for the design of technological processes
that accompany the extraction of minerals.
Results.
The method of optimization of the parameters of the development of mineral
deposits was proposed based on the presentation of
alternative options of technological processes in the form of a network
model. Depending on the type of mineral, as well as the expediency of
mining waste enrichment, two design strategies are proposed. If it is
advisable to enrich the waste, then it is necessary to maximize the value
of a ton of rock mass. If it is impractical to enrich mining waste, it is
necessary to minimize the costs of mining a ton of mineral. To increase the
efficiency of exploitation of ore deposits of minerals, it is proposed to use mining waste as a component mixture
for paving the produced space. The volume of work on the establishment of
the developed space is determined on the basis of
marginal analysis. In order to increase the efficiency of the operation of
coal deposits, it is proposed to minimize the
amount of waste that comes to the surface. Alternative options for the
exploitation of the coal deposit were considered and two strategies were
proposed: one consists in the minimization of waste, which involves
selective extraction and laying of the produced space, and the other
strategy consists in the maximization of the extraction of associated
minerals, which involves combine extraction, separation of cargo flows,
additional enrichment of waste.
Scientific novelty.
Scientific novelty consists in the development of a new approach, as well
as in the creation of models for the development of mineral deposits. The
algorithm for designing the process of development of mineral deposits is given. If it is impractical to enrich mining waste,
then we apply the programming of the alternative graph to the minimum,
which will minimize the cost of extracting 1 ton of useful mineral, in the
other case, the programming of the alternative graph to the maximum, which
will allow to maximize the cost of 1 ton of mining
mass. Fulfillment of these conditions will increase the efficiency of
production and reduce the man-made load on the
environment.
Practical implication. It consists in the creation of a package of application programs
for designing the processes of development of mineral deposits.
Keywords: strategy, production
waste, design, ecology, technological scheme, graph, software.
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