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CFD-DEM simulations of a sawtooth jigging profile on particle mixtures

Version 2 2024-06-04, 10:58
Version 1 2017-04-04, 15:47
conference contribution
posted on 2024-06-04, 10:58 authored by SM Viduka, YQ Feng, Karen HapgoodKaren Hapgood, P Schwarz
This paper presents a numerical investigation of solid separation in jigging device, which is a gravity separation method widely used in ore processing. Separation is recognized as being heavily dependent on fluid motion in the jig. This study explores the effects of the inlet time dependent velocity profile on jigging performance. Modelling of the liquid-solid system is performed through a combination of computational fluid dynamics (CFD) to simulate liquid flow and discrete element method (DEM) to resolve particle motion. The initial packing conditions consist of a binary-density particle system of 1130 particles each 1 cm in diameter. A variety of jigging profiles are implemented in jigging. The sawtooth pulsation profile is selected with three variations in both amplitude and frequency. The performance of each profile variant is compared in terms of solid flow patterns, separation kinetics, energy, and mean particle position. These quantitative comparisons demonstrate significant differences in the segregation rate, energy, and solid phenomena, helping find an alternative optimum operating setting for the system.

History

Pagination

1409-1422

Location

New Delhi, India

Start date

2012-09-24

End date

2012-09-28

ISBN-10

8190171437

Language

eng

Publication classification

E Conference publication, E1.1 Full written paper - refereed

Copyright notice

2012, International Mineral Processing Congress

Editor/Contributor(s)

[Unknown]

Title of proceedings

IMPC 2012 : Innovative Processing for Sustainable Growth : Proceedings of the International Mineral Processing Congress 2012 Conference

Event

International Mineral Processing Congress. Conference (26th : 2012 : New Delhi, India)

Publisher

Institute of Minerals & Materials Technology (IMMT), India

Place of publication

Bhubaneswar, India

Series

International Mineral Processing Congress

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