Simulation and optimization of the effect of surface grooves on mineral particle separating behaviour of spiral concentrator

Huizhong Liu; Chengyu Wen; Junwei Zhong; Zhiyan Wang; Hejun Zhu

doi:10.1117/12.3026319

1 April 2024 Simulation and optimization of the effect of surface grooves on mineral particle separating behaviour of spiral concentrator

Huizhong Liu, Chengyu Wen, Junwei Zhong, Zhiyan Wang, Hejun Zhu

Author Affiliations +

Proceedings Volume 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023); 130822R (2024) https://doi.org/10.1117/12.3026319
Event: 2023 4th International Conference on Mechanical Engineering, Intelligent Manufacturing and Automation Technology (MEMAT 2023), 2023, Guilin, China

Abstract

The spiral concentrator is a kind of gravity separation equipment. The structure optimization of mineral processing equipment is the research focus and development direction of today's mineral processing field. In order to improve the sorting efficiency of the spiral concentrator, this paper proposes the optimization method of adding certain structural forms of grooves to the groove surface of the spiral chute. The RNG turbulence model, VOF multiphase flow model, and discrete-phase particle orbital model are used to carry out orthogonal simulation experiments on the sorting process of the spiral chute engraved groove model. The results show that the optimal solution for adding grooves to the spiral chute is 45 grooves, a 30° angle, 5 mm width, and 2 mm depth, which has the most significant sorting effect. In order to verify the feasibility of the optimal scheme, a prototype of the optimal structural scheme was fabricated in this study. Comparison experiments show that the average concentrate grade obtained from the experimental prototype is 2.92% higher, and the average concentrate recovery is 3.08% higher, which verifies the feasibility of the scheme.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Huizhong Liu, Chengyu Wen, Junwei Zhong, Zhiyan Wang, and Hejun Zhu "Simulation and optimization of the effect of surface grooves on mineral particle separating behaviour of spiral concentrator", Proc. SPIE 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023), 130822R (1 April 2024); https://doi.org/10.1117/12.3026319

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KEYWORDS

Particles

Minerals

Solar concentrators

3D modeling

Prototyping

Computer simulations

Mathematical modeling

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