DEM Simulation of Laboratory-Scale Jaw Crushing of a Gold-Bearing Ore Using a Particle Replacement Model

被引：21

作者：

Barrios, Gabriel Kamilo ^{[1
]}

Jimenez-Herrera, Narces ^{[1
]}

Fuentes-Torres, Silvia Natalia ^{[1
]}

Tavares, Luis Marcelo ^{[2
]}

机构：

[1] Colombian Geol Survey CGS, Cali 760001, Colombia

[2] Univ Fed Rio de Janeiro, Lab Mineral Technol, Dept Met & Mat Engn, BR-21941972 Rio De Janeiro, Brazil

来源：

MINERALS | 2020年 / 10卷 / 08期

关键词：

crushing; jaw crusher; Discrete Element Method; Particle Replacement Model; comminution; simulation; modeling; primary crushing; particle breakage; COMPRESSION; BREAKAGE; WEAR;

D O I：

10.3390/min10080717

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The Discrete Element Method (DEM) is a numerical method that is able to simulate the mechanical behavior of bulk solids flow using spheres or polyhedral elements, offering a powerful tool for equipment design and optimization through modeling and simulation. The present work uses a Particle Replacement Model (PRM) embedded in the software EDEM(R)to model and simulate operation of a laboratory-scale jaw crusher. The PRM was calibrated using data from single particle slow compression tests, whereas simulations of the jaw crusher were validated on the basis of experiments, with very good agreement. DEM simulations described the performance of the crusher in terms of throughput, product size distribution, compressive force on the jaws surface, reduction ratio, and energy consumption as a function of closed side setting and frequency.

引用

页码：1 / 16

页数：16

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