Stope face parallel dual-U-type roadway

A technology for mining working face and roadway, which is applied in tunnels, mining equipment, earthwork drilling, etc., can solve the problems of incomplete governance, low recovery rate of multi-lane layout, and difficulty in gas control at upper corners, and achieves reasonable structural design. Reliable, improve the extraction effect, increase the effect of air volume

Active Publication Date: 2014-02-26
SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the unreasonable roadway layout of the existing mining face results in difficult and incomplete gas control in the upper corner and low recovery rate of multi-lane layout, the present invention provides a parallel double U-shaped roadway in the mining face

Method used

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  • Stope face parallel dual-U-type roadway

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Embodiment Construction

[0009] Double U-shaped roadways are paralleled in the recovery working face, including track lane 1, equipment lane 2, return air lane 3, auxiliary return air lane 4, and auxiliary air inlet lane 5, which are arranged in sequence from top to bottom; track lane 1 and equipment lane 2 are located at Above the mining face, return air lane 3, auxiliary air return lane 4 and auxiliary air inlet lane 5 are located below the mining face, and the right end of track lane 1, equipment lane 2 and return air lane 3 is provided with a The cut-out lane 6, the right end of the auxiliary air return lane 4 and the auxiliary air inlet lane 5 are connected, and a number of ventilation connection lanes 7 are arranged at intervals between the auxiliary air return lane 4 and the auxiliary air inlet lane 5, and the auxiliary air return lane 4 is provided with There is a gas drainage pipe connected with the goaf.

[0010] In the specific implementation process, the first U-shaped roadway is composed ...

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Abstract

The invention provides a stope face parallel dual-U-type roadway, and aims to solve the problems that since stope face roadway arrangement is unreasonable, upper corner gas is difficult to control, control is uncompleted, and multiple roadway arrangement stope efficiency is low. The stope face parallel dual-U-type roadway comprises a track roadway, an equipment roadway, an air return roadway, an auxiliary air return roadway and an auxiliary air inlet roadway. The track roadway and the equipment roadway are located above a stope face, the air return roadway, the auxiliary air return roadway and the auxiliary air inlet roadway are located below the stope face, the right ends of the track roadway, the equipment roadway and the air return roadway are provided with an open-off cut roadway communicated with the track roadway, the equipment roadway and the air return roadway, the right ends of the auxiliary air return roadway and the auxiliary air inlet roadway are communicated, a plurality of ventilate connected roadways are arranged between the auxiliary air return roadway and the auxiliary air inlet roadway at intervals, and gas drainage pipes communicated with a goaf. The stope face parallel dual-U-type roadway has the advantages of green energy, conservation of resources and effective increase of recovery rate.

Description

technical field [0001] The invention relates to the roadway layout structure of the coal mine mining face, in particular to a side-by-side double U-shaped roadway of the mining face. Background technique [0002] At present, the longwall mining process is commonly used in the underground coal mining process of my country's coal mines. The mining face can be divided into "U" type, "U+L" type, "three inlets and two backs" according to the layout of the inlet and outlet tunnels. , but at present these roadway layout methods have their own insurmountable disadvantages, either when the mining face is recovered, the gas control in the upper corner is difficult and incomplete; or the multi-lane layout, setting more coal pillars, reduces the recovery rate . Contents of the invention [0003] In order to solve the problems that the unreasonable roadway layout of the existing mining face results in difficult and incomplete gas control in the upper corner and low recovery rate of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/14
Inventor 苗惠东刘雁斌梁谦张志强段向东
Owner SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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