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Industrial Experimental Research on Increasing Concentration of Grinding Products in a Concentrator in Hunan
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Shuo ZHANG1, Maolin LI1, 2, Zhifei ZENG1, 2, Huiming SHEN3, Bing LONG3, Wenheng LI3, Tao XU3, Rui CUI1, Hanbing XU2, Wei YAO1
Mining and Metallurgical Engineering | 2024, 44(3) : 53 - 56
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Mining and Metallurgical Engineering | 2024, 44(3): 53-56
• MINERAL PROCESSING •
Industrial Experimental Research on Increasing Concentration of Grinding Products in a Concentrator in Hunan
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Shuo ZHANG1, Maolin LI1, 2, Zhifei ZENG1, 2, Huiming SHEN3, Bing LONG3, Wenheng LI3, Tao XU3, Rui CUI1, Hanbing XU2, Wei YAO1
Affiliations
  • 1.College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
  • 2.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
  • 3.Hunan Shizhuyuan Non-ferrous Metals Co Ltd, Chenzhou 423037, Hunan, China
Published: 2024-06-01 doi: 10.3969/j.issn.0253-6099.2024.03.011
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As for the thickener designed for the new concentrator of a multi-metal mine in Hunan, aiming at the problems of covering a large area, high cost and long period of time for construction, efforts were made to increase the concentration of products from classification for reducing thickener area or even cancelling thickening operation, so as to actualize a simple, efficient and low energy-consuming pre-treatment of feed ore. For this purpose, experiments were carried out to determine parameters, such as hydrocyclone replenishment water, cone angle, cylinder height and apex diameter. It is found that by using a hydrocyclone consisting of a long cylinder and a short cone with cone angle of 90°, cylinder height of 800 mm and apex diameter of 50 mm, the overflow concentration can be increased from 34% to more than 44%, with the classification efficiency up by 0.77 percentage points, and the content of -74 μm size range is stabilized at more than 70%. Therewith, the content of easy-to-separate range increases by 2.19 percentage points and the WO3 distribution increases by 9.87 percentage points. Furthermore, the grade and recovery of tungsten, molybdenum and bismuth all become stabilized in the follow-up flotation operations.

hydrocyclone  /  thickener  /  classification efficiency  /  overflow concentration  /  tungsten ore
Shuo ZHANG, Maolin LI, Zhifei ZENG, Huiming SHEN, Bing LONG, Wenheng LI, Tao XU, Rui CUI, Hanbing XU, Wei YAO. Industrial Experimental Research on Increasing Concentration of Grinding Products in a Concentrator in Hunan[J]. Mining and Metallurgical Engineering, 2024 , 44 (3) : 53 -56 . DOI: 10.3969/j.issn.0253-6099.2024.03.011
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Year 2024 volume 44 Issue 3
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.03.011
  • Receive Date：2023-12-16
  • Online Date：2026-03-17
  • Published：2024-06-01
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History
  • Received：2023-12-16
Funding
Affiliations
    1.College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
    2.Changsha Research Institute of Mining and Metallurgy Co Ltd, Changsha 410012, Hunan, China
    3.Hunan Shizhuyuan Non-ferrous Metals Co Ltd, Chenzhou 423037, Hunan, 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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