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Experimental Study on Recycling Flotation Tailings with Different Ore Grinding Modes
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Hongchao Chen1, Xuran He1, 2, 3, 4, 5, Jianlin Deng1, Junmin Dong1, Jianqiang Zhao1, Wen Chang1, Yuchao Yang1
Science & Technology of Baotou Steel | 2025, 51(2) : 10 - 13
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Science & Technology of Baotou Steel | 2025, 51(2): 10-13
• Production Practices and Management •
Experimental Study on Recycling Flotation Tailings with Different Ore Grinding Modes
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Hongchao Chen1, Xuran He1, 2, 3, 4, 5, Jianlin Deng1, Junmin Dong1, Jianqiang Zhao1, Wen Chang1, Yuchao Yang1
Affiliations
  • 1 Baoshan Mining Co. of Baotou Iron & Steel(Group) Co., Ltd., Baotou 014010,Inner Mongolia Autonomous Region, China
  • 2 School of Mining and Coal, Inner Mongolia University of Science and Technology,Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3 Inner Mongolia Key Laboratory of Mining Engineering, Baotou 014010,Inner Mongolia Autonomous Region, China
  • 4 Inner Mongolia Research Center for Engineering Technology of Safe Coal Mining and Utilization,Baotou 014010, Inner Mongolia Autonomous Region, China
  • 5 Inner Mongolia Collaborative Innovation Center for Green Mining and Green Utilization of Coal,Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2025-04-25
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In order to change the current situations that iron grade of flotation tailings is higher and loss of ferrous metal is great in the complex process of iron separation of ore grinding, weak magnetic separation-high intensity magnetic separation-flotation, the recycling process of ore grinding-magnetic separation is adopted for flotation tailings. The contrast test for recovery of magnetic separation with single variable is carried out with different ore grinding modes (ball mill and attrition mill) and flotation tailings of different granularities. With the increase of proportion of fine minerals, the yield of magnetic concentrate is decreased from 76.73% to 48.78%, grade is increased from 38.1% to 61.15% and recovery rate is decreased from 86.20% to 78.29% after grinding flotation tailings by attrition mill. The yield of magnetic iron concentrate is decreased from 78.05% to 56.63%, grade is increased from 38.10% to 55.78% and recovery rate is decreased from 92.80% to 82.92% after grinding flotation tailings by ball mill under the same magnetic separation conditions.

ball mill  /  attrition mill  /  magnetic concentrate
Hongchao Chen, Xuran He, Jianlin Deng, Junmin Dong, Jianqiang Zhao, Wen Chang, Yuchao Yang. Experimental Study on Recycling Flotation Tailings with Different Ore Grinding Modes[J]. Science & Technology of Baotou Steel, 2025 , 51 (2) : 10 -13 .
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Year 2025 volume 51 Issue 2
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  • Receive Date：2024-08-15
  • Online Date：2025-10-22
  • Published：2025-04-25
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History
  • Received：2024-08-15
Affiliations
    1 Baoshan Mining Co. of Baotou Iron & Steel(Group) Co., Ltd., Baotou 014010,Inner Mongolia Autonomous Region, China
    2 School of Mining and Coal, Inner Mongolia University of Science and Technology,Baotou 014010, Inner Mongolia Autonomous Region, China
    3 Inner Mongolia Key Laboratory of Mining Engineering, Baotou 014010,Inner Mongolia Autonomous Region, China
    4 Inner Mongolia Research Center for Engineering Technology of Safe Coal Mining and Utilization,Baotou 014010, Inner Mongolia Autonomous Region, China
    5 Inner Mongolia Collaborative Innovation Center for Green Mining and Green Utilization of Coal,Baotou 014010, Inner Mongolia Autonomous Region, 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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