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Underground Mechanized Continuous Mining Method of Hard Mineral Materials

A mining method and mineral material technology, which is applied in ground mining, earth square drilling, underground mining, etc., can solve the problems that cannot meet the requirements of modern mines and refining systems, the dilution rate of mineral materials remains high, and cannot guarantee safe mining, etc. , to achieve the effect of economic mining, remarkable improvement effect and saving refining cost

Active Publication Date: 2020-03-10
SHANGHAI BRANCH TIANDI SCI&TECH CO LTD +3
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  • Description
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AI Technical Summary

Problems solved by technology

[0002] The existing mining method of hard material ore bodies such as bauxite and alumina rock is blast mining, which has low production efficiency, high dilution rate of mineral materials, difficult transportation, high refining cost, and cannot guarantee safe mining, and some even seriously affect Mining economy can no longer meet the requirements of modern mines and refining systems

Method used

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  • Underground Mechanized Continuous Mining Method of Hard Mineral Materials
  • Underground Mechanized Continuous Mining Method of Hard Mineral Materials
  • Underground Mechanized Continuous Mining Method of Hard Mineral Materials

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Embodiment Construction

[0022] The invention discloses a mechanized continuous mining method for hard minerals, such as figure 1 As shown, a channel is first opened, around the area block 7 where the ore body planned to be mined is located, a conveying channel 72, a working face channel 73, and a power channel 74 that are connected in sequence around the area block on three sides are opened, each of which has one end. Leading to the ground, one side of the area block facing the working face passage is a working face mining wall. Then, according to the characteristics of the ore body, an initial weakening treatment is performed on the ore body of the area block. Based on the different grades of mineral materials, different mine layers are divided on the mining wall of the working face. When the minerals of the entire working face belong to the same grade of minerals, the mining wall of the working face is divided into one ore layer. Then carry out layered mining, that is, use the drum mining machine 1...

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Abstract

The invention relates to an downhole mechanized continuous mining method for hard mineral aggregates. The downhole mechanized continuous mining method includes forming a conveying channel, a working face channel and a power channel, which are communicated in sequence, around a region block where a to-be-extracted ore body is located, wherein one end of each of the conveying channel and the power channel leads to the ground, and one side face, facing the working face channel, of the region block is a working face mining ore wall; initially weakening the ore body of the region block; dividing different ore layers on the working face mining ore wall according to the different grades of the mineral aggregates, mining the one layers by a cylindrical mining machine one by one, weakening a near-working-face ore body once before mining of each follow-up working face or continuous multiple working faces, performing ore body composition detection once before mining of each working face or the continuous multiple working faces, and dividing different ore layers on the working face mining ore wall according to detection results and the grades of the mineral aggregates. The downhole mechanizedcontinuous mining method has the advantages that the grades of the mineral aggregates can be improved, the extraction cost can be reduced, the mining economy is high, and the method can be applicableto mining of the hard mineral aggregates with different rigidities.

Description

Technical field [0001] The invention relates to an underground mining method, which is especially suitable for the mining of hard mineral materials. Background technique [0002] The existing mining method for hard material ore bodies such as bauxite and bauxite is blast mining. The production efficiency is low, the mineral dilution rate remains high, the transportation is difficult, the extraction cost is high, and safe mining cannot be guaranteed, and some even seriously affect Mining economy can no longer meet the requirements of modern mines and refining systems. Summary of the invention [0003] The invention aims to provide a mechanized continuous mining method for hard minerals, which can improve the grade of minerals, reduce the refining cost, has good mining economy, and can adapt to the mining of hard minerals of different hardness. [0004] The main technical solutions of the present invention are: [0005] A mechanized continuous mining method for hard ore underground. F...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21C41/22
CPCE21C41/22
Inventor 颜传宝貟瑞光李少康邵国君章立强周常飞吴定洪邰志清董超王振乾胡滔胡璟宋振顾恩洋龚建云杨永波程小春王国元韩晓东王宏张磊金众张伟
Owner SHANGHAI BRANCH TIANDI SCI&TECH CO LTD
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