Collision-type respiratory zone air supply system
An air supply system and percussion-type technology, which is applied in mine/tunnel ventilation, mining equipment, earthwork drilling and mining, etc., can solve the problems of difficult implementation, large amount of secondary excavation, and large occupied space, so as to reduce tunnel opening The effect of excavating volume, ensuring fresh air demand, and reducing construction difficulty
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[0045] Specific embodiments of the present invention are provided below, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solutions of the present application all fall within the scope of protection of the present invention.
[0046] Comply with the above technical solutions, such as Figure 7 , Figure 8 As shown, the top plate height of the ∏-shaped smoke baffle wall is 2m, and the distance between the lower end of the Π-shaped smoke baffle wall and the static pressure box is 1.5m; the width of the Π-shaped smoke baffle wall is 0.5m . The cross-sectional size of the ∏-shaped smoke baffle wall 1 is 0.5m×0.5m. The cross-sectional dimension of the static pressure box 5 is 2m×1m; the width of the second nozzle 2 and the first nozzle 3 is 0.3m, and the distance between the two is 0.5m; the cross-sectional dimension of the air supply duct 4 is 0.5m× 0.5m....
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