Novel method for collaboratively exploiting underground double stopes of underground mine

Abstract

The invention discloses a novel method for collaboratively exploiting underground double stopes of an underground mine. Each ore block is internally divided into two stopes including a left stope room (9) and a right stope room (10), and a jamb (8) is reserved between every two ore blocks. A drilling chamber (1) is formed in the top end of each ore block, a downward blast hole (2) is formed in each drilling chamber (1) through deep hole rock drilling equipment, a controlled blasting technology is adopted, initiation of explosion is conducted segment by segment to achieve one-time explosion, the working face of the left stope room (9) is ahead of the working face of the right stope room (10), advancing is conducted in a ladder form, and caved ores are transported to a winze through an ore removal linked lane; an ore removal lane (5) is arranged on a single side of each ore block, the left stope room (9) and the right stope room (10) share the same ore removal lane (5), after stoping of a whole ore block is stopped, a goaf is subjected to backfill, a filing body (7) is formed, and the filing body (7) supports the jambs (8). By means of the novel method, double-stope synchronous stoping can be achieved for inclined and large and thick ore bodies which are good in rock-ore stability, and production capacity is high; synchronous ore removal of the two stope rooms can be achieved through only one ore removal lane of an ore removal structure at the bottom, and therefore the stope preparation work amount is reduced.

Description

technical field [0001] The invention belongs to the technical field of underground mine mining, and is particularly suitable for large-scale mining of inclined thick ore bodies with better ore rock stability. Background technique [0002] With the rapid development of my country's economic construction, the demand for resources is increasing day by day, and mines need to be exploited on a large scale to meet the needs of social development for resources. In recent years, mining has mainly developed towards large-scale mining equipment, so as to achieve high-efficiency mining production operations. For example, trackless rock drilling rigs in underground mines can dig upward deep holes up to 60-80m, and the maximum loading capacity of large-scale trackless mining equipment can reach 6m 3 wait. The use of large-scale underground trackless rock drilling and mining equipment has played a positive role in promoting the efficient mining of mines, but the number of ore blocks min...

AI Technical Summary

Problems solved by technology

[0004] In the Chinese patent ZL201210170216.3 disclosed in the "subsequent filling mining method suitable for large-scale underground mine mining", the thick and large mining section is divided into multiple panels, and 3 to 6 stopes are recovered at the same time in the panel, which increases the size of the mine. However, the exposed area of ​​the goaf after mining is large and the safety is poor, and the ore structure at the bottom is traditionally arranged. When multiple stopes are recovered at the same time, the amount of mining and cutting work is large

This disclosed technology does not effectively solve the problems of improving production capacity and reducing the amount of mining and cutting work in the coordinated mining of multiple stopes in underground mines

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