Longwall face coal mining method and roadway layout-roadway name


Release time:

2022-12-22

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Longwall face coal mining method and roadway layout-roadway name

Roadway name

(1) The door. Horizontal roadway in rock orthogonal or oblique to coal seam strike.

(2) up (down) hill. An inclined roadway located above (below) the mining level and serving this level or a mining area. The direction of the upper (lower) mountain is generally vertical to the transportation alley in spatial position. According to the purpose and equipment, it is divided into conveyor uphill, track uphill, ventilated uphill and pedestrian uphill.

(3) working face flat lane. Coal mining face roadway is located in the upper or lower part of the working face, vertical or oblique to the working face of the horizontal roadway. Generally, the upper level lane of the working face is called the return air level lane, and the lower level lane is called the transportation level lane.

 

 

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