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Influence of High Pressure Roller Grinding on Energy Consumption and Separation in Daye Iron Mine
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Zhongcai WANG1, Xing CHEN2, 3, Dong WEI1, Tiejun CHEN2, 3, Guangxing BAI1
Mining and Metallurgical Engineering | 2023, 43(2) : 81 - 85
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Mining and Metallurgical Engineering | 2023, 43(2): 81-85
• MINERAL PROCESSING •
Influence of High Pressure Roller Grinding on Energy Consumption and Separation in Daye Iron Mine
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Zhongcai WANG1, Xing CHEN2, 3, Dong WEI1, Tiejun CHEN2, 3, Guangxing BAI1
Affiliations
  • 1.Daye Iron Mine Co Ltd, WISCO, Wuhan 435000, Hubei, China
  • 2.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
  • 3.Key Laboratory of Efficient Utilization and Agglomeration of Metallurgical Mineral Resources of Hubei Province, Wuhan 430081, Hubei, China
Published: 2023-04-01 doi: 10.3969/j.issn.0253-6099.2023.02.019
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For solving the problems of coarse feed size for grinding and high energy consumption in processing Daye Iron Ore, an experiment was carried out with high pressure roller grinding (HPRG) to mill the fine crushing products. The parameters of pressure between rollers, the water content of feed and the rotational speed at roller surface were optimized correspondingly as 10 MPa, 2% and 0.26 m/s. A closed-circuit test shows that HPRG can obviously reduce grinding energy consumption and improve mineral liberation degree. Jaw crushing and HPRG products were then taken as the feed for grinding-flotation test and it is shown that HPRG can improve flotation recovery, with recoveries of Cu, Fe and S all up by 2.56, 1.93 and 1.44 percentage points, respectively.

iron ore  /  high pressure roller grinding  /  crushing  /  flotation
Zhongcai WANG, Xing CHEN, Dong WEI, Tiejun CHEN, Guangxing BAI. Influence of High Pressure Roller Grinding on Energy Consumption and Separation in Daye Iron Mine[J]. Mining and Metallurgical Engineering, 2023 , 43 (2) : 81 -85 . DOI: 10.3969/j.issn.0253-6099.2023.02.019
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doi: 10.3969/j.issn.0253-6099.2023.02.019
  • Receive Date：2022-10-19
  • Online Date：2026-03-05
  • Published：2023-04-01
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History
  • Received：2022-10-19
Affiliations
    1.Daye Iron Mine Co Ltd, WISCO, Wuhan 435000, Hubei, China
    2.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
    3.Key Laboratory of Efficient Utilization and Agglomeration of Metallurgical Mineral Resources of Hubei Province, Wuhan 430081, Hubei, 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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