Research and Application of Ore-drawing Technology with Low Dilution  in Jingtieshan Huashugou Underground Mine

Abstract

Abstract: The low-dilution ore drawing technology of pillarless sublevel caving method has been an important subject in the mining industry for many years.Through laboratory simulation experiment on ore-drawing，and combining with low-dilution ore-drawing industrial tests on V-shape orebody in Jingtieshan Mine，the technological standard for the low dilution ore drawing is formed with comprehensive recovery rate of 85.67%，and dilution rate of about 8%.The ore drawing conversion technology from the cut-off grade to low dilution was explored，which was applied in Huashugou mining area with remarkable economic benefits obtained.

Key words: Caving method, Low dilution, Ore drawing

CHEN Yong-Qi, TIAN Hong-Hai, CHENG Guo-Hua, MA Yan-Ping. Research and Application of Ore-drawing Technology with Low Dilution in Jingtieshan Huashugou Underground Mine[J]. Metal Mine, 2018, 47(03): 62-67.

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Research and Application of Ore-drawing Technology with Low Dilution in Jingtieshan Huashugou Underground Mine

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