Digital electronic detonator presplitting blasting engineering method

A technology of digital electronic detonator and pre-splitting blasting, which is applied in the field of digital electronic detonator pre-splitting blasting engineering, can solve the problems of large shock waves, loud noises, and large seismic wave hazards, and achieves improved efficiency, simple operation methods, and elimination of seismic waves. Effect

Pending Publication Date: 2022-07-29
淄博圣世达爆破工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In engineering blasting, pre-splitting blasting must be used for slope treatment and stone slopes that need to be excavated for expressway construction. Traditional pre-splitting blasting uses detonating cords to prepare a blasting network and adopts the method of one-shot blasting. The sound is loud, the shock wave is big, and the earthquake wave is very harmful. It will cause harm to the surrounding residents, enterprises and the environment when used in a complex environment, so it cannot be used

Method used

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  • Digital electronic detonator presplitting blasting engineering method
  • Digital electronic detonator presplitting blasting engineering method
  • Digital electronic detonator presplitting blasting engineering method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Example 1: Channel 1

[0058] One of the blasting operation points: there is a restaurant 160 meters on the north side, residents 200 meters on the west side, and 380 meters away from a nearest town. The conditions are extremely complex and cannot be carried out with traditional pre-split blasting. The surrounding hotels, residents and a nearest town were not affected, and the slope treatment work was completed.

[0059] Include the following steps:

[0060] Step S1, densely drilling holes along the straight line at the boundary of the reserved working face for engineering blasting, with a hole diameter of 50 mm and a spacing of 500 mm to form pre-split blasting holes 1;

[0061] Step S2, connect the detonating cord and the charge coil to form a charge string, use uncoupled charge to load into the pre-split blast hole 1, insert the charge coil at the top of the blast hole into the digital electronic detonator 2, and block the pre-split blast hole 1 at the top;

[0062] ...

Embodiment 2

[0065] Example 2: Channel 2

[0066] The second blasting operation point: It is closer than the first operation point, 130 meters away from the hotel on the north side, 180 meters away from the residents on the west side, and 340 meters away from a nearest town. Using this technical method, pre-split blasting was carried out, and the surrounding restaurants, residents and A recent town was not affected.

[0067] Include the following steps:

[0068] Step S1, densely drilling holes along the straight line at the boundary of the reserved working face for engineering blasting, with a hole diameter of 90 mm and a spacing of 1000 mm to form pre-split blasting holes 1;

[0069] Step S2, connect the detonating cord and the charge coil to form a charge string, use uncoupled charge to load into the pre-split blast hole 1, insert the charge coil at the top of the blast hole into the digital electronic detonator 2, and block the pre-split blast hole 1 at the top;

[0070] Step S3, all ...

Embodiment 3

[0073] Example 3: Channel 3

[0074] The third blasting operation point: closer than the first two operation points, only 90 meters from the hotel on the north side, 100 meters from the residents on the west side, and 300 meters from a nearest town. This technical method was used to carry out pre-split blasting, which was completed at one time. The surrounding hotels, residents and a nearest town were not affected at all.

[0075] Include the following steps:

[0076] Step S1, densely drill holes along the straight line at the boundary of the reserved working face for engineering blasting, with a hole diameter of 130 mm and a spacing of 1500 mm to form pre-split blasting holes 1;

[0077] Step S2, connect the detonating cord and the charge coil to form a charge string, use uncoupled charge to load into the pre-split blast hole 1, insert the charge coil at the top of the blast hole into the digital electronic detonator 2, and block the pre-split blast hole 1 at the top;

[00...

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Abstract

The invention relates to a digital electronic detonator presplitting blasting engineering method, and belongs to the technical field of presplitting blasting engineering. Comprising the following steps that S1, holes are densely punched in the boundary of an engineering blasting reserved working face in the linear direction, the diameter of the holes is 50-130 mm, the interval is 500-1500 mm, and pre-splitting blast holes are formed; s2, a detonating cord and a cartridge are connected into a cartridge string, the cartridge string is loaded into the pre-splitting blast hole in a non-coupling charging mode, the cartridge at the top of the blast hole is inserted into a digital electronic detonator, and the top of the cartridge blocks the pre-splitting blast hole; s3, all the pre-splitting blast holes are connected into a blasting network through connecting wires of digital electronic detonators, the digital electronic detonators are used for grouping the pre-splitting blast holes to divide blasting units, the delay time of the same blasting unit is the same, and the delay time of each blasting unit is prolonged in an equal difference mode; s4, all the blasting units are subjected to one-time all-time blasting; the device can adapt to complex environments and is small in sound, small in shock wave and small in seismic wave harm.

Description

technical field [0001] The invention relates to a digital electronic detonator pre-split blasting engineering method, which belongs to the technical field of pre-split blasting engineering. Background technique [0002] In engineering blasting, pre-split blasting must be used for slope treatment and stone slopes that need to be excavated for highway construction. Traditional pre-split blasting uses detonating cords to prepare blasting networks, and the method of one-shot blasting is adopted. The sound is loud, the shock wave is large, and the seismic wave is harmful. If it is used in a complex environment, it will cause harm to the surrounding households, enterprises and the environment, so it cannot be used. [0003] Therefore, there is an urgent need for a pre-split blasting engineering method that can adapt to complex environments, with low noise, small shock waves, and low seismic waves. SUMMARY OF THE INVENTION [0004] The technical problem to be solved by the prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42D1/00F42D1/045F42D3/04
CPCF42D1/00F42D1/045F42D3/04
Inventor 崔立明隋湘滨周义德隋玉禄
Owner 淄博圣世达爆破工程有限公司
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