CN103557747A - Non-electric coupling multi-section differential detonating circuit - Google Patents
Non-electric coupling multi-section differential detonating circuit Download PDFInfo
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- CN103557747A CN103557747A CN201310589316.4A CN201310589316A CN103557747A CN 103557747 A CN103557747 A CN 103557747A CN 201310589316 A CN201310589316 A CN 201310589316A CN 103557747 A CN103557747 A CN 103557747A
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Abstract
The invention relates to a non-electric coupling multi-section differential detonating circuit. The technical scheme is as follows: a primary circuit detonating cord (2) is arranged between every two rows of blast holes (5) in a working surface; hole inlet branch circuit detonating tubes(4), nonel detonators and cartridge bags are packed into each row of the blast holes (5); two blast holes (5) which take a primary circuit detonating cord (2) as a symmetric axis are in cluster parallel connection with the primary circuit detonating cord (2) through the hole inlet branch circuit detonating tubes(4) in the holes; each primary circuit detonating cord (2) is in cluster parallel connection with a trigger device (1); a primary circuit millisecond delay detonator (3) is arranged on each primary circuit detonating cord (2); each circuit millisecond delay detonator (3) is subjected to differential accumulation according to the delay time of 100-200 ms sequentially; nonel detonators among every 1-3 blast holes (5) are subjected to differential accumulation according to the delay time of 25-50 ms; and the delay time of nonel detonators of two symmetric blast holes (5) which are cluster parallel connection with each primary circuit detonating cord (2) is 25-50 ms. The non-electric coupling multi-section differential detonating circuit has the characteristics as follows: the detonation is reliable, and the detonating circuit is economically feasible.
Description
Technical field
The invention belongs to millisecond detonating network technique field, be specifically related to a kind of non-electric coupling multistage millisecond detonating networking.
Background technology
At present, there are two large classes at the non-electric millisecond detonating networking that mine excavation or architectural engineering earthwork evacuation mainly adopt, a class be single Nonel Network another kind of be single fuse arming test experiment initiation networking.First kind blasting circuit adopts single detonator propagation of explosion, single detonator velocity of explosion is (1950 ± 50) m/s, and conventional 2# rock explosive velocity of explosion is more than or equal to 3200m/s in engineering, in the detonation wave propagation of explosion process of millisecond detonating networking, often produce detonation wave that first igniting primer produces by rear row's detonator strain, drawing-down even strikes off phenomenon, then causes bursting work accident; Rear a kind of simple employing primacord propagation of explosion, primacord velocity of explosion, more than 6000m/s, has advantages of that detonation propagation reliability of nonel tube is high, but primacord is expensive, blasting cost is higher, for the larger mine of bursting work amount or architectural engineering, adopts single fuse arming test experiment initiation networking uneconomical.
Summary of the invention
The present invention is intended to overcome the deficiency in above-mentioned technology, and object is to provide reliable, the economically viable non-electric coupling multistage millisecond detonating of a kind of propagation of explosion networking.
For achieving the above object, the technical solution used in the present invention is: this blasting circuit is comprised of main line primacord, hand-hole branch road detonator, big gun hole and main line millisecond delay cap.In the middle of every two artillery salvo holes on working face, be provided with a main line primacord, hand-hole branch road detonator, Nonel detonator and cartridge bag are all housed in every artillery salvo hole, and the two big gun holes that the main line primacord of take is symmetry axis are bunch in parallel by the hand-hole branch road detonator in hole separately and main line primacord.Each main line primacord and excitation apparatus are bunch in parallel, on every main line primacord, are respectively equipped with main line millisecond delay cap.
The defer time of described main line millisecond delay cap is: from first main line millisecond delay cap on the scope of freedom, count, each main line millisecond delay cap is cumulative according to carrying out successively elementary errors the time delay of 100 ~ 200ms.
Tier hole in two described artillery salvo holes, the Nonel detonator between every 1 ~ 3 big gun hole is cumulative according to carrying out elementary errors the time delay of 25 ~ 50ms.Be 25 ~ 50ms Nonel detonator time delay that another that each Yu Yi main line, big gun hole primacord in tier hole is symmetry axis arranged each self-corresponding big gun hole, and be 25 ~ 50ms Nonel detonator time delay in main line primacord bunch two symmetrical big gun holes in parallel.
Owing to adopting technique scheme, outstanding advantages of the present invention is: primacord velocity of explosion far surpasses general rock explosive and detonator, adopt it as the main line of blasting circuit, can avoid the detonation wave of first igniting primer generation in the detonation wave propagation of explosion process of millisecond detonating networking by the phenomenon that rear row's detonator is strained, drawing-down even strikes off, thereby strengthen the reliability of propagation of explosion; Detonator is cheap compared with primacord, adopts detonator as hand-hole branch road, can effectively reduce the use amount of primacord, thereby reduces blasting cost, economically feasible.
The present invention is the millisecond detonating effect between control hole and between row effectively, reaches comparatively desirable state, and technical feasibility, economical rationality, for mine blasting operation provides reliable, the economically viable non-electric coupling multistage millisecond detonating of a kind of propagation of explosion networking.
Therefore, the present invention has the reliable and economically viable feature of propagation of explosion.
Accompanying drawing explanation
Fig. 1 is blasting circuit schematic diagram of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, to of the present invention, be described further, and the restriction to its protection domain:
embodiment 1
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 100 ~ 150ms.
embodiment 2
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 100 ~ 150ms.
embodiment 3
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 125 ~ 175ms.
embodiment 4
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 125 ~ 175ms.
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 150 ~ 200ms.
embodiment 6
A kind of non-electric coupling multistage millisecond detonating networking.This blasting circuit as shown in Figure 1, is comprised of main line primacord 2, hand-hole branch road detonator 4, big gun hole 5 and main line millisecond delay cap 3.In the middle of every two artillery salvo holes 5 on working face, be provided with a main line primacord 2, interior hand-hole branch road detonator 4, Nonel detonator and the cartridge bag of being all equipped with in every artillery salvo hole 5, the main line primacord 2 of take is symmetry axis two big gun holes 5 are in parallel with 2 bunches of main line primacords by the hand-hole branch road detonator 4 in hole separately.Each main line primacord 2 is in parallel with 1 bunch of excitation apparatus, on every main line primacord 2, is respectively equipped with main line millisecond delay cap 3.
The defer time of described main line millisecond delay cap 3 is: from the scope of freedom, first main line millisecond delay cap 3 of 6 is counted, and each main line millisecond delay cap 3 is cumulative according to carrying out successively elementary errors the time delay of 150 ~ 200ms.
This specific embodiment outstanding advantages is: primacord velocity of explosion far surpasses general rock explosive and detonator, adopt it as the main line of blasting circuit, can avoid the detonation wave of first igniting primer generation in the detonation wave propagation of explosion process of millisecond detonating networking by the phenomenon that rear row's detonator is strained, drawing-down even strikes off, thereby strengthen the reliability of propagation of explosion; Detonator is cheap compared with primacord, adopts detonator as hand-hole branch road, can effectively reduce the use amount of primacord, thereby reduces blasting cost, economically feasible.
This specific embodiment is the millisecond detonating effect between control hole and between row effectively, reach comparatively desirable state, and technical feasibility, economical rationality, for mine blasting operation provides reliable, the economically viable non-electric coupling multistage millisecond detonating of a kind of propagation of explosion networking.
Therefore, this specific embodiment has the reliable and economically viable feature of propagation of explosion.
Claims (3)
1. a non-electric coupling multistage millisecond detonating networking, is characterized in that this blasting circuit is comprised of main line primacord (2), hand-hole branch road detonator (4), big gun hole (5) and main line millisecond delay cap (3); In the middle of every two artillery salvo holes (5) on working face, be provided with a main line primacord (2), hand-hole branch road detonator (4), Nonel detonator and cartridge bag are all housed in every artillery salvo hole (5), and the two big gun holes (5) that the main line primacord (2) of take is symmetry axis are bunch in parallel by the hand-hole branch road detonator (4) in hole separately and main line primacord (2); Each main line primacord (2) and excitation apparatus (1) are bunch in parallel, are respectively equipped with main line millisecond delay cap (3) on every main line primacord (2).
2. non-electric coupling multistage millisecond detonating according to claim 1 networking, the defer time that it is characterized in that described main line millisecond delay cap (3) is: from the scope of freedom, first main line millisecond delay cap (3) of (6) is counted, and each main line millisecond delay cap (3) is cumulative according to carrying out successively elementary errors the time delay of 100 ~ 200ms.
3. non-electric coupling multistage millisecond detonating according to claim 1 networking, it is characterized in that the tier hole (5) in two described artillery salvo holes (5), the Nonel detonator between every 1 ~ 3 big gun hole (5) is cumulative according to carrying out elementary errors the time delay of 25 ~ 50ms; Each big gun hole (5) in tier hole (5) is 25 ~ 50ms with another Nonel detonator time delay of arranging each self-corresponding big gun hole (5) of take that main line primacord (2) is symmetry axis.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107843160A (en) * | 2017-12-01 | 2018-03-27 | 武汉科技大学 | A kind of initiation net of deep foundation pit reinforced concrete support beam demolition blasting |
CN111795623A (en) * | 2020-06-24 | 2020-10-20 | 河南发恩德矿业有限公司 | Low-cost high-reliability serial detonation method for digital detonator and detonating cord |
CN113790645A (en) * | 2021-08-12 | 2021-12-14 | 广西鱼峰水泥股份有限公司 | Digital electronic detonator hole-by-hole detonating circuit and blasting delay scheme thereof |
CN113870678A (en) * | 2021-08-31 | 2021-12-31 | 中国人民解放军陆军工程大学 | Large-equivalent underground multipoint time-delay blasting bomb pit effect simulation device and method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107843160A (en) * | 2017-12-01 | 2018-03-27 | 武汉科技大学 | A kind of initiation net of deep foundation pit reinforced concrete support beam demolition blasting |
CN107843160B (en) * | 2017-12-01 | 2024-04-12 | 武汉科技大学 | Detonating network for blasting demolition of reinforced concrete support beam of deep foundation pit |
CN111795623A (en) * | 2020-06-24 | 2020-10-20 | 河南发恩德矿业有限公司 | Low-cost high-reliability serial detonation method for digital detonator and detonating cord |
CN113790645A (en) * | 2021-08-12 | 2021-12-14 | 广西鱼峰水泥股份有限公司 | Digital electronic detonator hole-by-hole detonating circuit and blasting delay scheme thereof |
CN113870678A (en) * | 2021-08-31 | 2021-12-31 | 中国人民解放军陆军工程大学 | Large-equivalent underground multipoint time-delay blasting bomb pit effect simulation device and method |
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