An antifreeze method for air intake shafts of underground mines in alpine regions
A technology of air intake in alpine regions, applied in the ventilation of mines/tunnels, mining equipment, earthwork drilling and mining, etc., can solve problems affecting occupational health and safety, limited installation space, high energy consumption for preheating and antifreeze, and achieve The effect of economical and reasonable frozen well problem, overcoming the limitation of installation location, and solving the problem of frozen well
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[0027] In order to better describe the present invention, a kind of antifreeze method for the air intake shaft of an underground mine in an alpine region of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0028] Depend on figure 1 The schematic diagram of the structural arrangement of a kind of antifreeze method for the air intake shaft of underground mines in the shown present invention shows that the auxiliary shaft 1, the air intake shaft 2, and the return air shaft 8 are vertically arranged, and the middle section of the air inlet lane 5 is arranged horizontally , the auxiliary well stone door 4 and the air inlet lane 3 are arranged obliquely, the auxiliary shaft 1 and the middle air inlet lane 5 are connected through the auxiliary shaft stone gate 4, and the air inlet shaft 2 and the middle air inlet lane 5 are connected through the air inlet shaft The joint roadway 3 is connected, and the fresh shunt flow f...
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