Safe and high-efficiency mining method for metal mine in mountainous area
A mining method and metal technology, applied in safety devices, mining devices, ground mining and other directions, can solve problems such as large economic losses, casualties, etc., and achieve the effects of improving enterprise economic benefits, reducing costs, and improving resource recovery rates.
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[0039] The present invention will be further described below in conjunction with the examples, but the protection scope of the present invention is not limited to the scope expressed in the examples.
[0040] 1) Mining and cutting engineering:
[0041] Such as figure 1 As shown, multiple ore-exiting roads 3 are excavated along the vein transportation lane 1 to the ore body, and the raised shaft connecting roads are respectively excavated to the interstitial columns 13 on both sides of the mine house, that is, 2 and 4 in the figure, and are excavated to the rear edge of the ore body. The ore body tends to use the dip angle as the inclination to excavate the raised shaft, that is, 5 and 6 in the figure, excavate a number of connecting roads 7 entering the stope in the vertical direction of the raised shaft, excavate the cutting roadway along the ore body, and excavate the cutting roadway. Help to the boundary 14 of the ore body, form the free surface at the bottom of the mine h...
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