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A charge structure and charge method for coordinated blasting

A technology for charging and coiling, which is applied to blasting, blasting cylinders, explosives, etc., can solve the problems of insufficient blasting rock, difficulty in guaranteeing blasting effect and safety production, and frequent production safety accidents, so as to achieve convenient charging and reduce explosives. The effect of unit consumption, improving safety performance and explosive performance

Active Publication Date: 2016-05-18
广东锡源爆破科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some places, the "corner-digging" bottom-pumping gun method is still used for mining. It is difficult to guarantee the blasting effect and safe production. Often, the rock is not broken or even thrown away from the high and steep slope due to insufficient rock blasting, resulting in The slope surface is too high and steep, floating, loose and dangerous rocks hang from the roof, which seriously threatens the personnel and equipment working down the slope, and frequent production safety accidents, so solve the problem of more large pieces

Method used

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  • A charge structure and charge method for coordinated blasting
  • A charge structure and charge method for coordinated blasting

Examples

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Comparison scheme
Effect test

Embodiment 1

[0045] For example, in the conventional mining of limestone, take the blast hole with a diameter of 90mm as an example, the step height is 15 meters, the drilling depth is 16.5m (1.5m is super deep), the hole spacing is 3.5m, and the row spacing is 3m. After the blasting, the limestone cracks but does not blow down. , by contrast, adopting the charging method of the present invention, the depth of the blast hole is 15m (no need to drill ultra-deep 1.5m), the hole distance is 5m, and the row distance is 3.5m. For the tube detonator, four rolls of 35mm-diameter powdered emulsion explosive are used as the primer (the common industrial detonating cord is separated by four 200mm long rolls placed symmetrically side by side and wrapped and fixed with adhesive tape), and the parallel Put the double detonating cords into the blast hole, sink the primer into the bottom of the blast hole, and then fix the detonating cord going out of the blast hole symmetrically on both sides of the blas...

Embodiment 2

[0047] A coordinated blasting charge structure, including industrial explosives and two detonating devices symmetrically arranged in it or on its outer wall, the detonating devices are detonating charge cores or detonating cords, and the industrial explosives have no detonator sensitivity Or detonator-sensitive explosives or bulk explosives. The explosive is a porous granular ammonium oil explosive, which is made of 96% porous granular ammonium nitrate and 4% diesel oil.

[0048] Example 2

[0049] A coordinated blasting charge structure, including industrial explosives and two detonating devices symmetrically arranged in it or on its outer wall, the detonating devices are detonating charge cores or detonating cords, and the industrial explosives have no detonator sensitivity Or detonator-sensitive explosives or bulk explosives. The industrial explosive is wrapped by film or paper to form a charge roll, and the two detonating devices are aligned and straight along the charge r...

Embodiment 3

[0052] like figure 1 Shown, a kind of synergistic blasting charge structure comprises industrial explosive 3 and two detonation devices 2 symmetrically arranged in it or on its outer wall, and said detonation device 2 is detonation core or detonation cord, said The industrial explosive 3 is an explosive or a bulk explosive without detonator sensitivity or with detonator sensitivity. The industrial explosive 3 is wrapped by film or paper to form a charge roll, and the two detonating devices 2 are aligned and straight along the charge roll axis, and radially symmetrical to the center of the charge roll interface.

[0053] The industrial explosive 3 also includes a tubular shell 1 outside, the two detonators 2 are fixed by plastic caps at both ends of the shell 1, and the two detonators 2 are abutted against the inner wall of the shell 1, fixed On the inner wall of the shell 1 or the outer surface of the medicine roll. The industrial explosive 3 is a water-gel explosive, which ...

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Abstract

A cooperative blasting charge structure comprises an industrial explosive (3) and two detonating devices (2) that are symmetrically disposed in the industrial explosive (3) or on an outer wall of the industrial explosive (3). The detonating devices (2) are detonating cores or detonating cords. The industrial explosive (3) is an explosive without detonator sensitivity or with detonator sensitivity or is a bulk explosive. The industrial explosive (3) is wrapped by a film or paper to form a cartridge, and a detonator is disposed inside the industrial explosive (3), or the industrial explosive (3) is connected to a detonating bullet. The exterior of the industrial explosive (3) further comprises a tubular shell (1), the two detonating devices (2) are fixed by using plastic caps at the two ends of the shell (1), and the two detonating devices (2) are abutted to an inner wall of the shell (1) and fixed onto the inner wall of the shell (1) or an outer surface of the cartridge. The cooperative blasting charge structure is convenient in charge, high in safety and operability and low in cost.

Description

technical field [0001] The invention relates to a blasting charge structure, in particular to a coordinated blasting charge structure and a charge method using the principle of coordinated blasting. Background technique [0002] As far as mine production is concerned, it mainly includes mining and stripping operations, slope maintenance, perforation blasting, and shovel loading and transportation. Among them, blasting operation is the core of technology. In some places, the "corner-digging" bottom-pumping gun method is still used for mining. It is difficult to guarantee the blasting effect and safe production. Often, the rock is not broken or even thrown away from the high and steep slope due to insufficient rock blasting, resulting in The slope surface is too high and steep, and floating, loose and dangerous rocks hang from the roof, which seriously threatens the personnel and equipment working down the slope. Production safety accidents occur frequently, and there are man...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F42B3/00F42D1/08C06B31/28C06B31/30C06B33/14
CPCF42B3/00F42C19/0834
Inventor 谢兴华
Owner 广东锡源爆破科技股份有限公司