Authors: N.A. Makhno, P.K. Fedotov

Title of the article: Analysis and experience of modeling the process of ore destruction in laboratory conditions

Year: 2025, Issue: 3, Pages: 169-181

Branch of knowledge: 2.8.9. Mineral processing

Index UDK: 622.7

DOI: 10.26730/1999-4125-2025-3-169-181

Abstract: The relevance of the work is due to the increasing global demand for mineral resources and the need to develop more efficient methods for processing ore materials. Reducing energy consumption at the stages of enrichment and improving crushing quality is achieved through the use of modern technologies such as roller presses for more efficient crushing of ores. These technologies help to increase productivity and reduce environmental impacts, which makes them extremely important for the sustainable development of the mining industry. This work is devoted to the analysis of existing methods for modeling the process of ore destruction in a roller press. The article discusses mathematical modeling using the finite element method (FEM) and physical modeling in test capsules to reproduce the conditions of the real grinding process. The main actions include the analysis of existing approaches, the development of a volumetric fracture modeling scheme, as well as conducting experiments with copper ore, including sieve analysis and determining the convergence of the granulometric composition obtained during the laboratory experiment with the granulometric composition of the roller press discharge. These studies are aimed at improving the understanding of the mechanism of interparticle fracture and optimizing the parameters of the roller press, which will increase the efficiency of crushing processes and reduce energy consumption for subsequent stages of enrichment.

Key words: modeling roller press ore destruction disintegration interparticle fracture test capsule finite element method (FEM) selective crushing

Receiving date: 26.12.2024

Approval date: 10.06.2025

Publication date: 26.06.2025

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