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Method and device for improving blasting propagation reliability of plastic film-packaged emulsified explosive

An emulsion explosive and reliability technology, applied in blasting and other directions, can solve problems such as product rejection, safety hazards, and impact on product explosion reliability, and achieve the effects of light and easy to carry, improve safety, and improve explosion reliability

Pending Publication Date: 2017-07-14
FUJIAN HAIXIA KEHUA FUXING CONSTR ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the plastic film-packed emulsion explosives actually produced are all "columnar" packaging, and both ends of the drug roll have buckles and a certain length of redundant plastic film. It is easy to produce gaps in the process of blasting holes, and the distance of the gaps is even greater than 3cm. When the performance of the product is short, the existence of the gap affects the reliability of the product’s explosion transmission, and even leads to the phenomenon that the product fails to explode. There is a huge safety hazard. Hidden danger

Method used

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  • Method and device for improving blasting propagation reliability of plastic film-packaged emulsified explosive
  • Method and device for improving blasting propagation reliability of plastic film-packaged emulsified explosive

Examples

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Embodiment 1

[0017] A method and device for improving the reliability of detonation transmission of plastic-film-packed emulsion explosives, characterized in that: when blasting and charging on-site, the plastic-film-packed emulsion explosives are taken out, and one end of the plastic-film-packed explosive roll is inserted into the device, and the explosives When the medicine roll is inserted into the position of the bottom blade, rotate the medicine roll one circle, the buckle of the medicine roll and the remaining plastic film are cut off by the blade and fall from the bottom hole;

[0018] The device includes: a pipe body (1), a circular blade (2), and is characterized in that: the circular blade (2) is recessed and mounted on the inner wall of the pipe body (1), tapered and located on the pipe body (1) ), the diameter of the circular blade (2) is smaller than that of the tube body (1), and the diameter of the emulsion explosive packaged in plastic film is 32 mm, which is inserted into t...

Embodiment 2

[0020] The device in embodiment 2 realizes that the buckle is squeezed into the drug roll, ensuring that the drug-loading buckles at both ends of the medicine roll do not protrude. Simultaneously all avoids the generation of the gap between the charge rolls, improves the reliability of blast transmission, avoids the incomplete blasting of blasting, improves the safety in the blasting engineering, the device of embodiment 2 comprises: pipe body (3), cone (4 ), which is characterized in that: the plastic film-packed emulsion explosive has a diameter of 32 mm, and is inserted into the pipe body (3) with a diameter of 34 mm, and the length of the pipe body (3) is shorter than that of the drug roll, so that it is convenient to take out the drug roll. After inserting the drug roll to the bottom, the plastic film-packed drug roll touches the bottom cone (4), and the drug roll is squeezed on the cone (4), and the drug roll enters the plastic film-packed drug roll through extrusion, and...

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Abstract

The invention provides a method and device for improving the blasting propagation reliability of a plastic film-packaged emulsified explosive. The method is characterized by comprising the steps that when blasting charging is conducted on site, the plastic film-packaged emulsified explosive is taken out first, one end of a plastic film-packaged emulsified explosive cartridge is inserted into the device, the explosive cartridge is rotated a round when the explosive cartridge is inserted into the portion, where a blade is arranged, of the bottom of the device, an explosive cartridge buckle and plastic film remnants are cut off and fall from a hole formed in the bottom, operation in the above steps is conducted on the other end of the explosive cartridge, blast hole charging is conducted on the explosive cartridge of which the two-end remnants are cut off, and then the charging continuity is guaranteed. The device is portable, simple and convenient to carry and can be used on a blasting construction site. The blade is arranged, and therefore the buckles and the plastic film remnants on the two end faces of the plastic film-packaged emulsified explosive can be cut off through the blade. According to the device, the buckles can be efficiently and quickly cut off, the on-site charging efficiency is improved, the blasting propagation reliability is improved, blasting sympathetic detonation incompletion is avoided, and the safety in blasting engineering is improved.

Description

[0001] 1. Technical field: [0002] The invention relates to the field of production, installation and construction of industrial explosives, in particular to a new method for the reliability of detonation transmission of emulsion explosives, specifically a method and device for improving the reliability of detonation transmission of emulsified explosives packaged in plastic film. [0003] 2. Background technology: [0004] At present, in the production process of industrial explosives, manufacturers generally test the two performance indicators of industrial explosives, detonation velocity and detonation distance, to check whether the performance indicators of the product meet the quality requirements. Generally, the tester method formulated by the national standard and the sand method are combined to carry out these two performance tests. Requirements in the detection method: According to the specified requirements, the diameter is 32mm or 35mm, and the two ends of the drug s...

Claims

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Application Information

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IPC IPC(8): F42D1/08
CPCF42D1/08
Inventor 王庆土罗培炜范道龙
Owner FUJIAN HAIXIA KEHUA FUXING CONSTR ENG CO LTD
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