Deep hole blasting charging hole sealing device and using method thereof

Abstract

The invention provides a deep hole blasting charging hole sealing device and a using method thereof. The deep hole blasting charging hole sealing device comprises a blasting tube, a detonating cord, an electric detonator, a hole sealing bag, a grouting tube and an exhaust slurry return tube; the blasting tube comprises a plurality of pipeline units which are tightly connected end to end; the detonating cord is arranged in the blasting tube; the electric detonator is located at one end of the detonating cord at the tail part of the blasting tube and is connected with the electric detonator; thehole sealing bag comprises a first hole sealing bag and a second hole sealing bag, and a grouting area is formed in a space between the first hole sealing bag and the second hole sealing bag; one endof the grouting tube penetrates through the second hole sealing bag and is inserted into the first hole sealing bag through the grouting area; and one end of the exhaust slurry return tube penetratesthrough the second hole sealing bag and enters the grouting area. The deep hole blasting charging hole sealing device is convenient to construct and operate, time-saving, labor-saving, low in cost, capable of greatly improving the construction efficiency, and high in hole sealing quality and safety, normal initiation is ensured, and blasting punching and blown-out shot are avoided.

Description

technical field [0001] The invention belongs to the technical field of deep hole blasting sealing, and in particular relates to a charge sealing device for deep hole blasting and an application method thereof. Background technique [0002] Deep hole blasting is often carried out in the process of mining, such as deep hole blasting ore drawing in metal mines, roof cutting and gob-side entry in the production process of coal mines, deep hole blasting pressure relief projects, etc. These deep hole blasting projects need to be placed Explosives and hole sealing, due to the limited underground space, both charging and sealing holes require a lot of time and manpower, especially in coal mine roof deep hole pre-cracking, there are many problems, mainly as follows: [0003] (1) The charge of deep hole blasting is large and the length of the hole is long. The traditional method of filling and sealing holes with gun mud is time-consuming and labor-intensive. In addition, the managemen...

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Problems solved by technology

[0007] The purpose of the present invention is to provide a charging and sealing device for deep hole blasting and its use method, so as to solve the problem of time-consuming and labor-intensive filling and sealing methods with foam mud in the current deep hole blasting, which may easily cause blasting punching or blind blasting.

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