GRAVEL FILTERS FREEZING PROCESS SIMULATION USED IN MINING TECHNOLOGIES

  • Andrii Sudakov National Technical University "Dnipro Polytechnic", Dnipro, Ukraine
  • Sеrhii Dziuba Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, Dnipro, Ukraine
  • Andrii Dreus Oles Honchar Dnipro National University, Dnipro, Ukraine
  • Кaterina Lysenko Oles Honchar Dnipro National University, Dnipro, Ukraine
Keywords: heat exchange process, low-temperature gravel filter, mining technologies, temperature field.

Abstract

Purpose. Mathematical modeling methods substantiation for the thermal characteristics analysis in the technologies that use a new type of low-temperature gravel filters.
Methodology. The analysis of modern methods of heat and mass transfer processes mathematical modeling in gravel filters for mining production made it possible to determine the filter exposure duration in the freezer, which is necessary to justify the technology energy consumption.
Findings. The analysis of the thermophysical aspects of technology that uses a new type of low-temperature gravel filters has been carried out. To ensure reliable operation of these filters, it is necessary to evaluate the heat and mass transfer processes parameters in the gravel filters body when installing them in wells. A mathematical model is presented for the study of heat and mass transfer in a gravel filter porous medium during its manufacture using low-temperature technology and the calculating temperature fields results in the filter body taking into account the phase transformation of the binder.
Originality. Based on the modern methods of mathematical modeling analysis, a model of the thermophysical process in the gravel filters body has been developed when they are installed in the wells, taking into account heat and moisture transfer in the porous environment of the filters when they are manufactured using low-temperature technology.
Practical value. Consists in improved manufacturing techniques of low-temperature gravel filters intended for operation in mining production based on the obtained results of the temperature fields calculation analysis in the filter body, taking into account the phase transformations of the binder and moisture transfer.

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Published
2019-11-27
How to Cite
Sudakov, A., Dziuba, S., Dreus, A., & LysenkoК. (2019). GRAVEL FILTERS FREEZING PROCESS SIMULATION USED IN MINING TECHNOLOGIES. Metallurgical and Ore Mining Industry, (3-4), 42-47. https://doi.org/10.34185/0543-5749.2019-3-4-42-47