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SCIENTIFIC APPROACHES FOR PROPOSING AREA EFFICIENT
ENGINEERING IN THE MINING OF MINERAL DEPOSITS
A. Khorolskyi1*
1Institute for Physics of Mining Processes
of the National Academy of Sciences of Ukraine, Dnipro, Ukraine
*Corresponding author:
e-mail:khorolskiyaa@ukr.net
Physical and
technical problems of mining production, 2021, (23), 149-173.
https://doi.org/10.37101/ftpgp23.01.011
full
text (pdf)
ABSTRACT
Purpose. To
develop a new approach to designing a process for cost-effective and environmentally friendly development of mineral deposits.
Methods. The
terms of reference for the development of a project for the effective
development of mineral deposits provides for the justification of the boundaries
of the area of rational
design, which determines the optimal numerical values of the
set of parameters that characterize the processes of development of deposits. The procedure for determining the optimal parameters is carried out by examining
the state of change in
mineral reserves from balance to final products
in the form of a single
complex system of interconnected elements of technological chains, technological schemes, quality indicators of raw materials
and their volumes.
Findings. An
algorithm for designing the process of developing mineral deposits is proposed. The algorithm indicates the relationship between the design tasks in the form
of a hierarchical structure, which includes four levels (strategic, integrated, longwall, technological) that form the design
tasks of this process. Regardless of the type of
mineral, design tasks involve process optimization, which is implemented
based on a decomposition approach.
Originality. The
conceptual foundations of effective development of mineral deposits have been formed,
according to which - the criterion of optimality is quality, which is expressed in ash content,
the degree of dilution, and negative impact on the
environment; process design begins with determining the volume of extraction of minerals from the subsoil;
the project includes economic and environmental strategies for mining, while in case of
inconsistency of the economically advantageous strategy with a safe one, additional stages for the enrichment of minerals, reclamation, etc. should be envisaged;
the search for the optimal
scenario for the development of the field
is implemented by reflecting the life cycle
of the development of the field by
a decomposition scheme presented in the form of
a network model, and the optimization
process itself involves the study of changes
in the state of reserves
from balance to final production.
The scope of application of the given
decision-making tools from the standpoint
of optimal design and choice of decisions
from the standpoint of isolation in space and discontinuity
(continuity) in time is proposed.
Practical implications. The
proposed sequence of implementation of the described
approach in the development of comprehensive recommendations, which are reflected in the "Passport for the development of mineral deposits". Decision-making
tools and software implementation are proposed.
Keywords: mining
of mineral deposits, efficiency, engineering, software, continuity modeling, dynamic programming, parameters
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