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Aqueous medium spacer

A technology of spacer and water medium, applied in blasting and other directions, can solve the problems of slow expansion speed of spacer, difficult to grasp the inflation pressure, and difficult to ensure the interval pressure, so as to reduce the amount of charge, improve the overall economic benefits, and improve the blasting hole. Effect of blast interval quality

Pending Publication Date: 2017-07-25
INNER MONGOLIA BAOTOU STEEL UNION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air spacer has the characteristics of simple use and convenient transportation, but some problems have been exposed during the use of the spacer in the northern mine
The main problem of the dry hole spacer during use is that the spacer expands slowly when the weather is cold and it is often difficult to ensure sufficient spacer pressure
The main problem of the water hole spacer in the process of use is that it is difficult to control the inflation pressure, and the inflation pressure is different in different water depths. It is difficult to control the operation, and the phenomenon of "floating" after the interval is often seen when the air is cold in winter, which seriously affects the quality of the interval

Method used

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  • Aqueous medium spacer

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Embodiment Construction

[0019] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] In order to improve the situation that the air-filled gas of the air spacer is seriously affected by the temperature, resulting in frequent failure of the spacer and the "floating" of the spacer. The main purpose is to improve the use quality of the spacer, ensure the spacer effect, and ensure the blasting quality. The invention provides a novel spacer, which is a water medium spacer.

[0021] In a specific embodiment, the present invention provides an aqueous medium spacer. Please refer to figure 1 , which shows the structure of the aqueous medium spacer provided by the embodiment of the present invention.

[0022] The present invention provides a water medium spacer, which includes a spacer main body and a top eaves 5; w...

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Abstract

The invention discloses an aqueous medium spacer. The aqueous medium spacer comprises a spacer main body and a top cofferdam. The spacer main body is of a drum-shaped structure and comprises a circular top face, a circular bottom face and a side face arranged between the top face and the bottom face in a surrounding mode. A water filling nozzle is arranged on the top face, the top cofferdam is arranged on the connecting position of the top face and the side face of the spacer main body, and the top cofferdam is of a horn-shaped structure gradually expanding in the upward direction. The aqueous medium spacer has the advantages that the blasting pressure of the bottoms of blast holes is improved, and blasting vibration is reduced; the explosive load in the blast holes is reduced, and blasting unit consumption is reduced; an explosive loading structure is improved, and the explosive acting position is reasonably arranged; and waterproof spacing is achieved, and after spacing is conducted in the local water-poor blast holes, low-cost multi-hole granulous anfo explosives can be used. Compared with an air spacer, the aqueous medium spacer has the advantages that compressibility is small, the filled medium quantity is convenient to control, the influence under the climatic temperature condition is small, and the influence under the water depth pressure in the holes is small.

Description

technical field [0001] The invention relates to the field of mine spacer support protection, in particular to a water medium spacer. Background technique [0002] Open-pit mines often use blast hole spacers during blasting construction. The main purpose of using spacers is to improve the explosion pressure at the bottom of the blast hole and reduce blast vibration; reduce the amount of charge in the blast hole and reduce the unit consumption of blasting; improve the charge structure , rationally arrange the action position of the explosive; realize the waterproof interval, and use the low-cost porous granular ammonium oil explosive after the interval in the local water-poor blast hole. At present, large-scale open-pit mines are using a large number of blasthole spacers. The use of spacers in mines has been tested in production practice. It does improve blasting quality, reduce explosive unit consumption, water and waterproof, and shock absorption. At present, there are many...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42D1/08F42D5/045F42D3/04
CPCF42D1/08F42D3/04F42D5/045
Inventor 闫永富贺俊林邵玉全郭建新李冬青徐晓东顾春雷郭一娜张吉贾永强吴磊付明宇师文强李清霞
Owner INNER MONGOLIA BAOTOU STEEL UNION
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