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Dilution Control Technology in Open-Pit Mining and Its Application in Barun Mine
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Delin SONG1, Chunwang WANG1, Jianxin GUO2, Desheng WANG3, Mingyu FU2, Jian ZHAO2
Mining and Metallurgical Engineering | 2024, 44(2) : 18 - 21
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Mining and Metallurgical Engineering | 2024, 44(2): 18-21
• MINING •
Dilution Control Technology in Open-Pit Mining and Its Application in Barun Mine
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Delin SONG1, Chunwang WANG1, Jianxin GUO2, Desheng WANG3, Mingyu FU2, Jian ZHAO2
Affiliations
  • 1.School of Mining and Coal, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China
  • 2.Barun Mining Branch of Inner Mongolia Baotou Steel Union Co Ltd, Baotou 014080, Inner Mongolia, China
  • 3.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
Published: 2024-04-01 doi: 10.3969/j.issn.0253-6099.2024.02.005
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Based on the analysis of ore dilution in Barun mine, the dilution rate at the junction of ore and rock in Barun open-pit mine was controlled. With the actual production into consideration, some controlling measures are put forward for the mine, including accurately identifying ore-rock boundary by drilling and sampling, separating ore and rock by blasting, accurately identifying the ore-rock boundary in muck-pile by blasting, and optimizing shovel loading operation among others. As a result, less waste rock has been mixed with ore, leading to the ore dilution down to below 2%. It is shown that the rate of extraction can be obviously improved.

open-pit mine  /  drilling and sampling  /  separation by blasting  /  ore-rock boundary  /  accurate identification  /  shovel-loading optimization  /  dilution rate  /  rock boundary  /  rate of extraction
Delin SONG, Chunwang WANG, Jianxin GUO, Desheng WANG, Mingyu FU, Jian ZHAO. Dilution Control Technology in Open-Pit Mining and Its Application in Barun Mine[J]. Mining and Metallurgical Engineering, 2024 , 44 (2) : 18 -21 . DOI: 10.3969/j.issn.0253-6099.2024.02.005
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.02.005
  • Receive Date：2023-10-13
  • Online Date：2026-03-19
  • Published：2024-04-01
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History
  • Received：2023-10-13
Funding
Affiliations
    1.School of Mining and Coal, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China
    2.Barun Mining Branch of Inner Mongolia Baotou Steel Union Co Ltd, Baotou 014080, Inner Mongolia, China
    3.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, 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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