Open pit mining method for gentle tip ore body
An open-pit mining and gently inclined technology, which is applied in open-pit mining, earthwork drilling, special mining, etc., can solve the problems of the length of the working line being limited by the size of the stope, the difficulty of blasting construction technology, and the large amount of initial development work. , to achieve the effect of improving blasting effect, avoiding technical difficulties in blasting construction, and reducing transportation and lifting work
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[0037] Example 1
[0038] like Figure 1 to Figure 5 As shown, in the open-pit mining method of a gently inclined ore body described in this embodiment, the ore body is east-west and inclined to the south, with an inclination angle of 4 degrees. A plurality of inclined transportation channels 1 are arranged in the stope, a horizontal buffer platform 2 with a length of at least 30m is arranged between adjacent sloped transportation channels 1, and the edge of the “┏”-shaped opening ditch 5 is provided with slopes along the inclination of the ore body. The transport platform 3 and the horizontal transport platform 4 along the ore body trend, the excavator 7 and the transport vehicle 6 are located in the shovel loading area 9 of the "┏"-shaped open section trench 5; the excavator 7 excavates the blasted ore or rock and loads it for transport Inside the car 6, after the transport car 6 is filled with ore or rock, it is transported along the mining layered inclined bottom plate 14...
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