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Strip mine drilling blasting method

A technology for open pit mines and blasting areas, applied in blasting and other directions, can solve the problems of low construction efficiency, large scope, and high rock blasting cost, and achieve the effect of reducing blasting cost, reducing foundation, and reducing unit consumption of explosives

Active Publication Date: 2012-10-17
ZHUOLIWEI BEIJING TECH
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  • Abstract
  • Description
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Problems solved by technology

[0002] In the prior art, there is no effective optimization technique to optimize the cost of rock blasting. In the process of cost optimization, the scope is relativel

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Embodiment Construction

[0024] A perforation and blasting method for an open-pit mine according to an embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] see figure 1 Shown, open-pit mine perforation blasting method of the present invention comprises steps:

[0027] S1. Perforating in the explosion zone of the open-pit mine, wherein the perforating uses a triangular hole pattern with a density factor of 1.10-1.40;

[0028] S2, filling various explosives of detonation velocity in the blast hole;

[0029] S3. Detonating the detonation zone.

[0030] Open-pit mine blasting usually adopts step...

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Abstract

The embodiment of the invention discloses a strip mine drilling blasting method, which relates to the field of mining engineering, and has the advantages of achieving higher blasting quality and reducing the blasting cost. The strip mine drilling blasting method comprises the following steps of: drilling holes in a blasting area of a strip mine, wherein the holes are drilled in a mode of triangular distribution with a hole net density coefficient of 1.10 to 1.40; filling explosives of different blasting speeds into the blasting holes; and detonating the blasting area. The strip mine drilling blasting method is applicable to blasting exploration in strip mines.

Description

technical field [0001] The invention relates to the field of mining engineering, in particular to a piercing and blasting method in an open-pit mine. Background technique [0002] In the prior art, there is no effective optimization technique to optimize the cost of rock blasting. In the process of cost optimization, the scope is relatively large, resulting in high cost of rock blasting and low construction efficiency. Even if the cost requirement is met, The demand for blasting quality is also sacrificed. Contents of the invention [0003] The invention provides a perforation blasting method in an open-pit mine, which not only has higher blasting quality, but also can reduce blasting cost. [0004] In order to achieve the above object, embodiments of the present invention adopt the following technical solutions: [0005] A perforation blasting method in an open-pit mine, comprising: [0006] Perforation is carried out in the explosive area of ​​the open-pit mine, where...

Claims

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Application Information

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IPC IPC(8): F42D1/00
Inventor 薛世忠
Owner ZHUOLIWEI BEIJING TECH
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