| Annotation |
The purpose of the research is to substantiate the need for preliminary planning
with the use of block models in the extraction of TPI as an important element of designing
an economically and environmentally efficient enterprise for the development
of a deposit of solid minerals. The object of the study is the Kuta brown coal deposit,
which has areas of coal with increased concentrations of natural radionuclides. The
method of planning the quality of coals, taking into account the hazard criterion and
products of their processing with the use of Micromine Alastri software (software) is
considered. The objectives of the study are to test the author’s hypothesis regarding
the use of BM in the process of predicting the quality of the extracted PI according
to the obtained characteristics. Expected results of the scientific study: it is expected
that the specific activity in the samples of dust and slag will be recorded several times;
when conducting field studies on the content of carbon in coal seams and coal dust
with the inclusion of rock, it is necessary to establish the regularity of increasing the
value of Aeff in coal dust with the inclusion of rock particles relative to coal samples.
The results of the interpolation of the contents of the ORE into the blocks of the digital
block model of the coal seam I of the Kuta brown coal deposit are presented. In
conclusion, the author highlights the methodology for determining the parameters of
mined coal and coal products, taking into account the hazard criterion, which has the
following logic: burning of an experimental batch of coal; analysis of the correlation
regularity between the average content of OER in coal by block and the average
content of OER in coal combustion products, determination of the dependence of
the oxygen content in coals and combustion products; assignment by reverse interpolation
of the obtained forecast values to each three-dimensional block of the block
model included in the mining blocks for each horizon and their transfer to the maps of
horizon-by-horizon mining planning. Thus, obtaining a safety map of the extracted PI
with the predicted values of the content of N in the combustion products. |
| Key words |
minerals, block model, natural
radionuclides, coal, coal
processing products, plastic
block, danger of coal products,
incision, mining |
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