Quick injection type hole sealing device and method for applying same

Abstract

The invention discloses a quick injection type hole sealing device which comprises a first storage tank and a second storage tank. Air inlet quick connection sockets and discharge quick connection sockets are respectively mounted at two ends of the first storage tank and two ends of the second storage tank, first air inlet pipes are respectively connected onto the air inlet quick connection sockets, the other ends of the first air inlet pipes are respectively connected with two air outlets of an air inlet three-way pipe fitting, a second air inlet pipe is connected with an air inlet of the air inlet three-way pipe fitting, an air outlet of a ball valve is connected with the other end of the second air inlet pipe, a third air inlet pipe is connected with an air inlet of the ball valve, and a downhole compressed air outlet of a mine is connected with the other end of the third air inlet pipe; two first discharge pipes are respectively connected with the discharge quick connection sockets, two feed inlets of a discharge three-way pipe fitting are respectively fixedly hermetically connected with the other ends of the two first discharge pipes, and a second discharge pipe is fixedly hermetically connected with a discharge outlet of the discharge three-way pipe fitting. The quick injection type hole sealing device has the advantages of simple structure, small size, good hole sealing effects, portability, simplicity in operation and capability of quickly sealing holes.

Description

technical field [0001] The invention relates to a technique for quickly sealing holes by using compressed air in coal mines, in particular to a rapid injection type hole sealing device. Background technique [0002] Due to the need for safe mining in coal mines, before arranging the mining face for operation, it is necessary to drill in the coal seam, then insert the gas drainage pipe into the drill hole, and finally seal the gas drainage pipe in the drill hole tightly to prevent gas extraction. Leakage during gas discharge. The plugging of gas drainage holes is an extremely demanding job, and the quality of the plugging directly affects the drainage effect. Although good sealing materials have been developed at present, such as polyurethane polymer materials, expansive cement, etc., the commonly used sealing method is to use manual sealing or grouting pump sealing. The material is effectively transported deep into the borehole, so the sealing effect is poor. If a groutin...

AI Technical Summary

Problems solved by technology

Although good sealing materials have been developed at present, such as polyurethane polymer materials, expansive cement, etc., the commonly used sealing method is to use manual sealing or grouting pump sealing. Material is efficiently transported deep into the borehole, resulting in poor sealing

If a grouting pump is used to seal the hole, it is very inconvenient to install, transport and disassemble the equipment

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