Sublevel caving shrinkage continuous recovery process for thin ore body
A technology of segmental caving and thin ore bodies, which is applied in the field of mining and mining technology, and can solve problems such as investing a large amount of engineering
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[0036] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0037] Such as Figure 1-Figure 5 As shown, the thin ore body segmental caving and ore retention continuous mining process of the present invention includes dividing the ore body 11 into stages, and the stages are further divided into segments, and the mining standard is carried out between the upper level and the lower level of each stage. , cutting, medium and deep hole mining and rock drilling, ore retention and mining, and ore extraction, characterized in that the specific steps are as follows:
[0038] 1) Acceptance:
[0039] In each stage, there are horizontal ore-out roadway 3 along the vein, horizontal vein-piercing ore-out roadway 1, connecting roadway 7, transportation roadway 2 along the vein, ore chute 5 and recovery roadway 4, and the described ore-out roadway along the vein 3 is set at a distance of 10-15m from the boun...
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