The separation performance of a parabolic hydrocyclone in separating iron from red mud

被引：9
|
作者：
Liu, Peikun [1 ]
Fu, Wenxiu [1 ]
Jiang, Lanyue [1 ]
Zhang, Yuekan [1 ]
Yang, Xinghua [1 ]
Li, Xiaoyu [1 ]
Wang, Hui [1 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Mech & Elect Engn, Qingdao 266590, Peoples R China
来源：
POWDER TECHNOLOGY | 2023年 / 416卷
基金：
中国国家自然科学基金;
关键词：
Parabolic hydrocyclone; Red mud desliming; Numerical simulation; Experimental research; Separation performance; NUMERICAL-ANALYSIS; FLOW-FIELD; PARTICLES; CLASSIFICATION; OPTIMIZATION; SIMULATION; RECOVERY; BEHAVIOR; CFD;
D O I：
10.1016/j.powtec.2022.118205
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A parabolic hydrocyclone was proposed to solve the problem of low concentrate recovery in the subsequent separation process due to the entrainment of fine particles in the underflow in red mud desliming and classifi-cation. To further explore the separation performance of the parabolic hydrocyclone in red mud desliming, the effects of the apex diameter, particle concentration and inlet velocity on the flow field and separation perfor-mance were studied by combining numerical simulation and experimental tests. The results show that the parabolic hydrocyclone has an obvious desliming effect; that is, the content of-5 mu m particles in the underflow decreases from 46.53% to 19.21%, and the desliming efficiency reaches 58.71%. Additionally, the hydrocyclone has a certain enrichment effect on Fe2O3; that is, the iron grade in the underflow increases from 26.75% to 36.04%, and the total iron recovery can reach 36.60%.
引用
收藏
页数：10
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