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Research on Wear Characteristics of Slurry Pump Based on CFD-DEM Method
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Zhong LI1, Wei JIN2, Yuqi WANG2, Hao YANG2, Ming ZHANG1, Saifeng PENG1
Mining and Metallurgical Engineering | 2023, 43(1) : 16 - 20
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Mining and Metallurgical Engineering | 2023, 43(1): 16-20
• MINING •
Research on Wear Characteristics of Slurry Pump Based on CFD-DEM Method
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Zhong LI1, Wei JIN2, Yuqi WANG2, Hao YANG2, Ming ZHANG1, Saifeng PENG1
Affiliations
  • 1.State Key Laboratory of Exploitation and Utilization of Deep-sea Mineral Resources, Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
  • 2.Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China
Published: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.004
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By using CFD-DEM coupling approach and Archard wear model, a slurry pump with small flow was numerically simulated under the conditions including different flow rates and particle sizes. Based on the analysis of the movement law of particles in the pump, the distribution of particles in different regions of pump and the collision between particles and wetted parts of the pump, the wear characteristics of wetted parts in the slurry pump, especially the volute were studied. The results show that there is some blockage in the volute approaching the tongue region due to a slow flow rate of particles. It is found that wear of the volute is mainly concentrated on the upper part and near the tongue region. With the increase in the flow rate and velocity of particles, the kinetic energy of the particles collide with the pump wall increases, resulting in serious wear on the body of slurry pump. And the wear will become more serious by the particles with small grain size.

slurry pump  /  volute  /  wear  /  CFD-DEM coupling  /  coarse grain
Zhong LI, Wei JIN, Yuqi WANG, Hao YANG, Ming ZHANG, Saifeng PENG. Research on Wear Characteristics of Slurry Pump Based on CFD-DEM Method[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 16 -20 . DOI: 10.3969/j.issn.0253-6099.2023.01.004
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Article Info
doi: 10.3969/j.issn.0253-6099.2023.01.004
  • Receive Date：2022-08-07
  • Online Date：2026-03-05
  • Published：2023-02-01
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  • Received：2022-08-07
Funding
Affiliations
    1.State Key Laboratory of Exploitation and Utilization of Deep-sea Mineral Resources, Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
    2.Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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