Method and system for clearing blockage of ore chute

Abstract

The invention relates to a method and a system for clearing the blockage of an ore chute, and can be widely applied to handle the problem of arc-shaped caking or blockage of materials in open-pit-to-underground mines, underground mines and surface ore material storage bins. The system comprises first steel tubes (1), second steel tubes (2), third steel tubes (3) and a valve (4), wherein the first steel tubes (1) are embedded in the reinforcing concrete of the ore chute, two ring-shaped steel tubes (2) are connected on each first steel tube (1), the vertical distance between every two ring-shaped steel tubes (2) is 2 meters, eight third steel tubes (3) are welded on the ring-shaped steel tubes (2), the third steel tubes (3) are uniformly distributed on the ring-shaped steel tubes (2), the third steel tubes (3) in the upper layer and the lower layer are staggered, the blockage of the third steel tubes (3) is prevented during the concrete pouring of the wall of the ore chute, and the first steel tubes (1) are connected with a mine air supply pipe and provided with the valve (4).

Description

technical field [0001] The invention relates to a method and system for dredging blockage of a mine chute, which can be widely applied to the problem of arching or blockage of materials in open pit-to-underground mining mines, underground mining mines, and surface storage silos. Background technique [0002] When ore (or waste rock) (hereinafter referred to as "material") enters the chute from the unloading station at the upper part of the chute, the falling material will have an impact on the original materials of the chute under the action of gravity, and the materials in the chute will be crushed. It is hard, or the large and small pieces in the material are extruded with each other, or the viscous minerals are secondarily consolidated under the action of water, which leads to arching or blockage in a certain part of the chute shaft when the bottom of the chute is discharged, making the chute The materials stored in the mine cannot be released, which affects the normal ...

AI Technical Summary

Problems solved by technology

However, this method has the following problems in operation, which leads to greater hidden dangers in mine safety production:

[0009] First, when watering the chute, the amount of water to be poured cannot be controlled. If the water volume is too small, arching or clogged materials will not fall, and the purpose of dredging the chute cannot be achieved; Excessive irrigation can easily cause mudslides, impact on equipment, facilities or personnel at the lower part of the chute, and cause safety accidents; third, the time for dredging the chute cannot be determined, which is not conducive to the normal organization of mine production

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