A multi-layer inclined ore body ore waste separation and collaborative mining method

Abstract

The invention discloses a multilayer inclined ore body ore and waste separation collaborative mining method. An interlayer serves as an ore body in the ore body mining process, the mining is conductedaccording to the continuous thick large ore body, a conventional low-efficiency layered independent stoping mode is changed, a high-efficiency deep hole is adopted to conduct rock drilling, the ore body and the interlayer are orderly caved by themselves, the ore which is caved is completely sent out, and the waste rock of the interlayer which is caved is reserved at the bottom of the interior ofa stope and serves as the filling waste rock. The footwall ore body is extracted, then a goaf region which is reserved by the mining of the bottom ore body is utilized to serve as a free space, the interlayer is caved at one time, the waste rock which is caved is completely reserved inside the goaf region, the surface of the waste rock is treated, and the ore and waste separation is achieved. Thegoaf region which is formed by the caving operation of the bottom ore body and the interlayer is utilized to serve as a blasting compensation space of the stoping operation of the hanging wall ore body, the large-scale ore caving operation is carried out, and then the large-scale ore removal is conducted. The multilayer inclined ore body ore and waste separation collaborative mining method can achieve the safe efficient and waste-free mining of the multilayer inclined ore body.

Description

technical field [0001] The invention relates to the technical field of mining, in particular to a mining method for multi-layer inclined ore bodies. Background technique [0002] Inclined or sharply inclined ore bodies can rely on the ore’s own weight to produce ore. When the thickness of the ore body is thin, the ore retention method or the filling mining method is often used for mining. When there are interlayers in the body, the difficulty of mining is further increased, which is a typical complex and difficult-to-mine ore body. [0003] The traditional mining method mainly selects different methods for this kind of ore body according to the thickness of the interlayer. For the thicker interlayer, the upper and lower walls are used to independently mine each ore body to retain the interlayer, and the impact of mining between each ore body is severe. Problems such as complex interlayer stability management and other prominent problems, especially in open-field mining, if ...

AI Technical Summary

Problems solved by technology

[0008] (1) Safe mining, mine waste separation and coordinated mining to ensure the safety and stability of the stope during the mining process and the safety of operators; effectively overcome the hidden dangers of traditional mining methods such as severe mutual disturbance and difficult handling of interlayer stability

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