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Mining method for inclined medium-thick bedded or thick-bedded orebody continuous stoping

A mining method and thick ore body technology, applied in surface mining, underground mining, special mining, etc., can solve the problems of increased physical labor, large loss of poverty, high mining costs, etc., to achieve improved labor productivity, good economic benefits, eliminate The effect of safety hazards

Inactive Publication Date: 2004-11-24
CENT SOUTH UNIV
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Problems solved by technology

Although the existing mining methods have good mining effects and are safe and secure, it is difficult to use high-efficiency mining equipment. Therefore, the productivity of mining labor is low and the amount of physical labor increases. The quantity is large, and the interlayer rocks between the ore layers cannot be mined separately, resulting in large loss and high mining cost

Method used

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  • Mining method for inclined medium-thick bedded or thick-bedded orebody continuous stoping
  • Mining method for inclined medium-thick bedded or thick-bedded orebody continuous stoping

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Embodiment Construction

[0024] figure 1 and figure 2 It is a successful example of mining three layers of overlapping ore bodies. The specific conditions are: ① The thickness of the ore body is 20m, the thickness of the ② layer is 10m, and the thickness of ③ is 6.5m. The thickness of the stone layer is 10m, and the thickness of the interlayer stone layer between the ② mine layer and the ③ mine layer is 6m; the implementation steps:

[0025] ①Excavate the transport roadway 1 along the ore body floor line in the footwall of the ore body, excavate the ore loading horizontal roadway and rock drilling uphill 4 in the direction of the ore body footwall every 8m in the roadway 1, and penetrate the upper horizontal transport roadway 1;

[0026] ② Excavate the cutting lane along the direction at the cutting level, and enlarge it to form the cutting groove 2;

[0027] ③ In the rock drilling uphill 4, the recovery blast hole 3 is drilled in the direction vertical to the roof of the ore body;

[0028] ④Accor...

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Abstract

The present invention belongs to the field of underground mining method of various useful mineral, and is especially the mining of inclined layers of mediate thickness and thick mineral layer. The present invention features that by means of one increased rise heading and the explosion of columnar explosive, ore is thrown from the stope to preset chute opening. The said mining method has high safety, high efficiency, capacity of mining rock gangue layer, lowered lean ore loss and lowered mining cost. The present invention solves the difficult problem of mining inclined mine body.

Description

Technical field: [0001] The invention belongs to the underground mining method of various useful minerals in the field of mining, and is especially suitable for the mining of inclined medium-thick layers or thick minerals. Background technique [0002] For multi-layer ore bodies with an ore body dip angle of 10° to 40° and a thickness of 5 to 20m, it is a difficult problem for mining. Although the existing mining methods have good mining effects and are safe and secure, it is difficult to use high-efficiency mining equipment. Therefore, the productivity of mining labor is low and the amount of physical labor increases. If the amount is large, the interlayer rocks between the ore layers cannot be mined separately, resulting in large loss and high mining cost. Contents of the invention [0003] The object of the present invention is to provide a mining method, which not only has safe production and high efficiency, but also can carry out separate mining of rock interlayers,...

Claims

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Application Information

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IPC IPC(8): E21C41/16
Inventor 吴爱祥周勃
Owner CENT SOUTH UNIV
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