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Optimization of Shaft Structure and Materials for Submersible Pump of In-situ Leaching of Uranium
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ZHANG Chong1, 2, JIA Hao1, 2, WANG Ya’an1, 2, Du Zhiming1, 2, XU Ying1, 2, LI Xuezhong3, YU Zhuohua3
Uranium Mining and Metallurgy | 2024, 43(2) : 58 - 65
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Uranium Mining and Metallurgy | 2024, 43(2): 58-65
• MINING AND HYDROMETALLURGY •
Optimization of Shaft Structure and Materials for Submersible Pump of In-situ Leaching of Uranium
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ZHANG Chong1, 2, JIA Hao1, 2, WANG Ya’an1, 2, Du Zhiming1, 2, XU Ying1, 2, LI Xuezhong3, YU Zhuohua3
Affiliations
  • 1 Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
  • 2 China Nuclear Mining Science and Technology Corporation, CNNC, Beijing 101149, China
  • 3 Nanfang Pump Industry Co., Ltd., Hangzhou 311100, China
Published: 2024-05-20 doi: 10.13426/j.cnki.yky.2024.01.08
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The high rates of submersible pump damage due to pump shaft fracture and pump body corrosion have been studied. By conducting theoretical calculations and ANSYS numerical simulations, the mechanical properties such as strength and stiffness of hexagonal and cylindrical shaft structures were compared. Field comparison tests on the corrosion resistance of 304, 316L, and 904 stainless steel materials were also carried out. The results indicate that under the same load and equivalent diameter conditions, the shear stress on the cross-section of the cylindrical axis is 64.95% of the hexagonal axis, and the torsion angle is only 56.25% of the hexagonal axis torsion angle; the simulation results show that the maximum circumferential deformation of the cylindrical shaft coupling is 68.4% of the maximum circumferential deformation of the hexagonal prism shaft, the cylindrical shaft structure exhibits better torsional performance. While 904 stainless steel has the best corrosion resistance, both 304 and 316L stainless steels demonstrate similar corrosion resistance to acidic media. Considering corrosion resistance margins and manufacturing costs, it is recommended to use a cylindrical pump shaft structure and continue using 316L stainless steel as the main material in the development of submersible pumps for uranium mining.

in-situ leaching of uranium  /  submersible pump  /  shaft structure  /  stainless steel  /  corrosion resistant
ZHANG Chong, JIA Hao, WANG Ya’an, Du Zhiming, XU Ying, LI Xuezhong, YU Zhuohua. Optimization of Shaft Structure and Materials for Submersible Pump of In-situ Leaching of Uranium[J]. Uranium Mining and Metallurgy, 2024 , 43 (2) : 58 -65 . DOI: 10.13426/j.cnki.yky.2024.01.08
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Year 2024 volume 43 Issue 2
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Article Info
doi: 10.13426/j.cnki.yky.2024.01.08
  • Receive Date：2024-01-26
  • Online Date：2025-07-04
  • Published：2024-05-20
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  • Received：2024-01-26
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Affiliations
    1 Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China
    2 China Nuclear Mining Science and Technology Corporation, CNNC, Beijing 101149, China
    3 Nanfang Pump Industry Co., Ltd., Hangzhou 311100, China
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Citations
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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