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A high-efficiency, safe and environmentally-friendly mining method for irregular strip-shaped distribution of poor and shallow buried seams

A safe, environmentally friendly, mining method technology, applied in open-pit mining, safety devices, mining equipment, etc., can solve the problems of waste dumps occupying valuable land, waste dumps polluting the environment, and backward mining planning, etc., to achieve comprehensive mining costs The effect of reducing, shortening the transportation distance and reducing energy consumption

Inactive Publication Date: 2011-12-14
汉通控股集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide an efficient, safe and environment-friendly mining method with irregular strip-shaped distribution of poor and shallow buried ore seams, so as to solve the problems of backward mining planning, low production efficiency, unsafe production, and soil discharge in the production of traditional open-pit mining projects. Technical problems such as occupying precious land, polluting the environment by dumping sites, high energy consumption for transportation, and high mining costs

Method used

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  • A high-efficiency, safe and environmentally-friendly mining method for irregular strip-shaped distribution of poor and shallow buried seams
  • A high-efficiency, safe and environmentally-friendly mining method for irregular strip-shaped distribution of poor and shallow buried seams
  • A high-efficiency, safe and environmentally-friendly mining method for irregular strip-shaped distribution of poor and shallow buried seams

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Embodiment Construction

[0035] The present invention adopts open-pit mining mode, and concrete steps are as follows:

[0036] 1) For irregular strip-shaped thin and shallow buried ore seams, open-pit pits are arranged along the strike of the ore seam, and operations are carried out sequentially along the strike direction, see Picture 1-1 , Figure 1-2 , Figure 1-3 with figure 2 ;

[0037] 2) The mining operation platform is arranged in steps, and the transportation roads, mine roads and temporary drainage facilities are arranged;

[0038] 3) The method of stripping and mining by open-air step deep hole blasting is adopted. Specifically, the method of avalanche blasting is used to break rocks, and buffer blasting technology is used to excavate the slope. To the dump site, the ore is transported out of the mine for disposal; the stripped waste rock is backfilled into the goaf of the first mining section.

[0039] The waste rock stripped by the mining is backfilled to the goaf of the first mining...

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Abstract

The invention discloses a high-efficiency, safe and environment-friendly mining method for irregular strip-shaped thin and shallow buried mine seams. The mining method adopts the method of arranging mining pits along the direction of the mine seam, and Stripping and mining by step-by-step open-air step blasting in sequence, drilling, blasting and transportation are arranged in steps. The drilling, blasting, and transportation operations have high production efficiency and are safer than other mining methods. The stripped waste rock is backfilled to the first mining area. The mined-out area of ​​the section saves land resources, protects the natural environment, saves transportation costs, reduces comprehensive mining costs, reduces energy consumption, and reduces waste rock discharge. The invention solves the problems of backward mining planning, low production efficiency, unsafe production, valuable land occupied by dumps, environmental pollution by dumps, high transportation energy consumption, high mining costs and living environment caused by mining in traditional open-pit mining projects. and environmental pollution and other technical issues.

Description

technical field [0001] The invention relates to mineral mining technology and belongs to the technical field of mining engineering. technical background [0002] The mining process of most minerals (coal mines, non-coal mines) must first strip off the topsoil and rocks overlying the ore body, expose the ore body, and then implement the mining of the ore. Therefore, the stripping and disposal of the overlying rock and topsoil (herein collectively referred to as waste rock) of the ore body is an indispensable production link in the open-pit mining of the ore deposit. In order to ensure the safe and continuous mining of the ore deposit, the amount of stripped waste rock is usually several times larger than the amount of ore excavated, and the stripped waste rock must be transported to a designated site (usually called a waste rock yard or dump) for processing. pile up. Therefore, the workload of waste rock removal and the land occupation of the waste rock yard are quite large...

Claims

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Application Information

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IPC IPC(8): E21C47/00E21F15/00
Inventor 刘祯祥付鑫蔡旭东陈焕波王镇城蒋加林
Owner 汉通控股集团有限公司
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