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A digital open-pit blasting operation method

An open-air, blasting design technology, applied in blasting and other directions, to achieve the effect of improving blasting quality

Active Publication Date: 2016-06-22
SHANXI JIANGYANG ENG BLASTING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is currently no way to obtain detailed geological information prior to each blast in mines that have a blast life span of decades

Method used

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  • A digital open-pit blasting operation method

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Experimental program
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Effect test

Embodiment Construction

[0022] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] The K deposit of the Monywa Copper Mine in Myanmar is a concealed porphyry-type copper deposit produced in the altered andesite porphyrite. The altered andesite porphyrite is a dike-like epigenetic intrusion with a steep edge. The surrounding rocks are gently inclined sandstone and pyroclastic rocks, which are mainly distributed on the east and west sides of the deposit. The mineralized zone descends from the surface, with a burial depth of about 600m, and the rock masses are all subject to strong sericitization alteration. The main ore body is produced in the structural fracture zone of altered andesite porphyrite, showing branched and network vein quartz sulfide veins. The ore minerals are mainly pyrite and chalcocite, followed by a small amount of chalcocite and copper blue. The gangue minerals are mainly quartz, fol...

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Abstract

The invention relates to a digitized surface blasting operation method. The digitized surface blasting operation method includes the following step that according to preliminarily explored rock mass characteristic information, a blasting design is conducted, and an initial blasting design parameter is obtained; according to the initial blasting design parameter, drilling is conducted, during the drilling process, working parameters of a driller are constantly collected, and an industrial personal computer utilizes a specialist inference method and the working parameters of the driller to deduce rock mass characteristic information; according to the rock mass characteristic information, blasting is redesigned, and a process blasting design parameter is obtained; according to the process blasting design parameter, the drilling continues to be conducted, and the processes are repeated until the drilling is finished; according to an optimized blasting design parameter, blasting is conducted, blasting effect information is collected through a blasting imaging technology after the blasting is finished, the industrial personal computer utilizes the specialist inference method to deduce rock mass characteristic information based on the blasting effect information, the blasting is redesigned, and a further optimized blasting design parameter is obtained and taken as an initial blasting design parameter of a next blasting area.

Description

technical field [0001] The invention belongs to the technical field of drilling and blasting, and in particular relates to a digital open-air blasting operation method. Background technique [0002] Drilling and blasting is a necessary process for open-pit mining and large-scale earthwork engineering. At present, the basic mode of drilling and blasting at home and abroad is as follows: blasting design is carried out according to the initial exploration data and various properties of the rock, drilling is carried out according to the design parameters, charge is carried out after the drilling is completed, and the blasting design is adjusted according to the evaluation of the blasting effect parameter. In this drilling and blasting method, drilling and blasting are separated, and the blasting design is based on rough exploration data at the beginning and blasting evaluation after blasting, and it is impossible to optimize the blasting design before blasting. The blasting pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F42D1/00F42D3/04
Inventor 佟彦军孙伟博张东升李泽华李孝林刘俊龙杜欣白和强张昭樊保龙杨威陆上舟秦天雨
Owner SHANXI JIANGYANG ENG BLASTING CO LTD
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