CN105444630B - Pre- ceasma demolition set and demolition set - Google Patents
Pre- ceasma demolition set and demolition set Download PDFInfo
- Publication number
- CN105444630B CN105444630B CN201510760581.3A CN201510760581A CN105444630B CN 105444630 B CN105444630 B CN 105444630B CN 201510760581 A CN201510760581 A CN 201510760581A CN 105444630 B CN105444630 B CN 105444630B
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- Prior art keywords
- ceasma
- explosion
- propagation
- demolition set
- hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention relates to explosion field, and disclose a kind of pre- ceasma demolition set and a kind of demolition set, the pre- ceasma demolition set includes initiator (1), the explosive (2) being embedded in respectively in multiple pre- ceasmas (5) and the primacord for being connected the explosive (2) in each described pre- ceasma (5) with the initiator (1), and the pre- ceasma demolition set also includes the time-delay mechanism (4) being connected on the primacord.The pre- ceasma demolition set of the present invention can detonate the explosive in pre- ceasma respectively in batches, effectively the section dose for the pre- ceasma that control is detonated simultaneously, reduce vibrations and impact of the pre- ceasma demolition set in explosion.
Description
Technical field
The present invention relates to explosion field, in particular it relates to a kind of pre- ceasma demolition set.Moreover, it relates to one
Plant demolition set.
Background technology
At present, domestic big-and-middle-sized metallurgical surface mine is imitated to expand blasting scale, reduction concussion of blasting, improve explosion
Really, by using the mode of the explosion new materials such as extension of high-precision detonator, high-energy nitrolite, large-scale popularization application hole-specifically rises
Quick-fried technology.Hole by hole initiation technique is added by the collision frequency of explosion rock mass rock during priority delay initiation, is extended
The action time of blasting energy, blasting technique economic indicator is optimized, improve the overall economic efficiency in mine, being capable of maximum limit
The reduction concussion of blasting of degree.
Existing pre- ceasma demolition set is due to the thinking inertia formed for a long time, not using hole-by-hole initiation skill
Art.On the contrary, existing pre- ceasma demolition set generally using simultaneously detonate by the way of the pre- ceasma of explosion, while detonation pre- ceasma
Section dose can not effectively control, in order to reduce concussion of blasting, can only by controlled blasting scale, control simultaneously detonation presplitting
The modes such as the number in hole reduce the section dose of pre- ceasma, thus existing pre- ceasma demolition set concussion of blasting and impact compared with
Greatly, and the safety and stability of the normal organization of production to large surface mine and burst region brings considerable influence.
In view of this, it is desirable to provide a kind of vibrations of detonation and the less pre- ceasma demolition set of impact.
The content of the invention
The technical problems to be solved by the invention are to need to provide a kind of vibrations of detonation and to impact less pre- ceasma quick-fried
Breaking device.
In addition, another technical problem to be solved by this invention is to need to provide a kind of vibrations of detonation and impact smaller
Demolition set.
To achieve these goals, the present invention provides a kind of pre- ceasma demolition set, and the pre- ceasma demolition set includes
Quick-fried device, the explosive being embedded in respectively in multiple pre- ceasmas and by the explosive in each described pre- ceasma and the initiator
The primacord of connection, the pre- ceasma demolition set also includes the time-delay mechanism being connected on the primacord.
Preferably, the primacord includes propagation of explosion main line and multiple propagation of explosion branch lines, and one end of the propagation of explosion main line is connected to
The initiator, one end of each propagation of explosion branch line is sequentially connected to the propagation of explosion main line, and each propagation of explosion branch line is another
One end is connected to the explosive in each described pre- ceasma correspondingly.
Preferably, the pre- ceasma demolition set includes multiple time-delay mechanisms being sequentially connected in series on propagation of explosion main line,
And the tie point of the adjacent propagation of explosion branch line and the propagation of explosion main line is located at one in multiple time-delay mechanisms respectively
Both sides.
Preferably, the pre- ceasma demolition set includes multiple time-delay mechanisms being sequentially connected in series on propagation of explosion main line,
And the explosive in two adjacent pre- ceasmas is formed as explosive group, the propagation of explosion branch line of adjacent each explosive group with
The tie point of the propagation of explosion main line is located at the both sides of one in multiple time-delay mechanisms respectively.
Preferably, the time-delay mechanism is to be arranged on time-delay mechanism outside the hole outside the pre- ceasma, and the pre- ceasma is quick-fried
Breaking device is also connected to described in each including being arranged on time-delay mechanism in time-delay mechanism in the hole inside the pre- ceasma, the hole
The end of propagation of explosion branch line.
Preferably, the delay period of time-delay mechanism is the time delay of time-delay mechanism in 15~19ms, the hole outside the hole
It is limited to 390~410ms.
Preferably, time-delay mechanism is delay detonator in time-delay mechanism and the hole outside the hole.
Preferably, the primacord includes two propagation of explosion main lines and multiple propagation of explosion branch lines, first in the pre- ceasma of explosion
Explosive is connected to the initiator by a propagation of explosion main line, and one end of another propagation of explosion main line is connected to described rise
Quick-fried device, one end of each propagation of explosion branch line is in turn connected to another described propagation of explosion main line, and each described propagation of explosion branch line
The other end be connected to explosive in remaining each described pre- ceasma correspondingly.
In addition, on the basis of the technical scheme of above-mentioned pre- ceasma demolition set, the present invention also provides a kind of explosion dress
Put, including the main blast hole demolition set for the main blast hole that detonates and the pre- ceasma demolition set of the present invention.
Preferably, the demolition set also includes the Buffer control device for the cushion hole that detonates.
The pre- ceasma demolition set of the present invention is due to the time-delay mechanism including being connected in primacord, so as to by presplitting
Explosive in hole detonates respectively in batches, effectively the section dose for the pre- ceasma that control is detonated simultaneously, reduces pre- ceasma demolition set
Vibrations and impact (especially reducing vibrations and impact of the pre- ceasma demolition set in explosion to reserved side slope) in explosion.This
Outside, demolition set of the invention is due to including the pre- ceasma demolition set of the present invention, therefore it equally has above advantage.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the pre- ceasma demolition set of the embodiment according to the present invention；
Fig. 2 is the schematic diagram of the pre- ceasma demolition set of another embodiment according to the present invention；
Fig. 3 is the schematic diagram of the pre- ceasma demolition set of another embodiment according to the present invention；
Fig. 4 is schematic diagram of the pre- ceasma demolition set inside pre- ceasma in Fig. 1, Fig. 2 and Fig. 3.
Description of reference numerals
1st, initiator 2, explosive
3a, propagation of explosion main line 3b, propagation of explosion branch line
4th, time-delay mechanism 5, pre- ceasma
6th, main blast hole 7, cushion hole
8th, time-delay mechanism 9, filler in hole
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of pre- ceasma demolition set, specifically, as shown in Figures 1 to 4, the pre- ceasma demolition set bag
Include initiator 1, the explosive 2 being embedded in respectively in multiple pre- ceasmas 5 and by the explosive 2 in each described pre- ceasma 5 with
The primacord that the initiator 1 is connected, the pre- ceasma demolition set also includes the time-delay mechanism being connected on the primacord
4。
It should be noted that initiator 1, explosive 2, the concrete form of primacord and time-delay mechanism 4 can be set as needed
Put, these are belonged within the range of the technology design of the present invention.For example, explosive 2 can (be preferably medicine for detonator or powder stick
Volume), primacord can be primacord or detonator (being preferably detonator).
The pre- ceasma demolition set of the present invention is due to the time-delay mechanism including being connected in primacord, so as to by presplitting
Explosive in hole 5 detonates respectively in batches, effectively the section dose for the pre- ceasma 5 that control is detonated simultaneously, reduces pre- ceasma explosion dress
Put the vibrations in explosion and impact (especially reducing vibrations and impact of the pre- ceasma demolition set in explosion to reserved side slope).
In the pre- ceasma demolition set of the present invention, specifically, the primacord includes propagation of explosion main line 3a and multiple propagation of explosions
Branch line 3b, one end of the propagation of explosion main line 3a is connected to the initiator 1, and each propagation of explosion branch line 3b one end is sequentially connected
In propagation of explosion main line 3a, and each propagation of explosion branch line 3b other end is connected in each described pre- ceasma 5 correspondingly
Explosive 2, so that explosive 2 is connected with initiator 1 using propagation of explosion main line 3a and multiple propagation of explosion branch line 3b.
In above-mentioned pre- ceasma demolition set, more specifically, the pre- ceasma demolition set includes multiple be sequentially connected in series
The time-delay mechanism 4 on propagation of explosion main line 3a, and the adjacent propagation of explosion branch line 3b and propagation of explosion main line 3a tie point
It is located at the both sides of one in multiple time-delay mechanisms 4 respectively, so as to be sequentially connected in series by multiple on propagation of explosion main line 3a
Time-delay mechanism 4 and the delayed ignition for realizing the explosive 2 in each pre- ceasma 5.
It is used as another embodiment of above-mentioned pre- ceasma demolition set, specifically, the pre- ceasma demolition set bag
Include multiple time-delay mechanisms 4 being sequentially connected in series on propagation of explosion main line 3a, and the explosive in adjacent two pre- ceasmas 5
2 are formed as explosive group, the propagation of explosion branch line 3b and the propagation of explosion main line 3a of adjacent each explosive group tie point difference position
The both sides of one in multiple time-delay mechanisms 4, so as to be filled by multiple delays being sequentially connected in series on propagation of explosion main line 3a
While putting 4 and realize the delayed ignition of the explosive group in pre- ceasma 5, the overall time of pre- ceasma explosion is reduced.
In above-mentioned pre- ceasma demolition set, further specifically, the time-delay mechanism 4 is to be arranged on the pre- ceasma 5
Time-delay mechanism outside outside hole, the pre- ceasma demolition set also includes being arranged in the hole inside the pre- ceasma 5 dress that is delayed
Put time-delay mechanism 8 in 8, the hole be connected to each propagation of explosion branch line 3b end (in embedded explosive 2, explosive 2 and hole
Interior time-delay mechanism 8 is together put into pre- ceasma 5 together with propagation of explosion branch line 3b, and the aperture of pre- ceasma 5 is blocked by filler 9), from
And cause some explosive 2 or explosive group explosion time, and then the explosive 2 or the explosive 2 or explosive group of explosive group also enter
Enter the state of delayed ignition in hole, it is to avoid the propagation of explosion of explosive 2 or the blast influence primacord of explosive group.
In above-mentioned pre- ceasma demolition set, further specifically, the delay period of time-delay mechanism is 15 outside the hole
The delay period of time-delay mechanism 8 is 390~410ms (being preferably 400ms) in~19ms (being preferably 17ms), the hole.
In above-mentioned pre- ceasma demolition set, equally specifically, time-delay mechanism 8 in time-delay mechanism and the hole outside the hole
It is delay detonator, consequently facilitating the accurately control extension time.
As another embodiment of the pre- ceasma demolition set of the present invention, specifically, the primacord includes two
Explosive 2 in individual propagation of explosion main line 3a and multiple propagation of explosion branch line 3b, the first pre- ceasma 5 of explosion passes through a propagation of explosion main line 3a
The initiator 1 is connected to, another propagation of explosion main line 3a one end is connected to the initiator 1, each described propagation of explosion branch
Line 3b one end is in turn connected to another propagation of explosion main line 3a, and each propagation of explosion branch line 3b a pair of the other end 1
It is connected to the explosive 2 in remaining each described pre- ceasma 5 with answering, so as to avoid the pre- ceasma 5 of explosion first from equally entering line delay
Explosion and the waste caused.
In addition, the present invention also provides a kind of demolition set, the main blast hole that the demolition set includes being used to detonate main blast hole 6 is quick-fried
The pre- ceasma demolition set of breaking device and the present invention.
In above-mentioned demolition set, it is preferable that the demolition set also includes the Buffer control for the cushion hole 7 that detonates
Device.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (7)
1. a kind of pre- ceasma demolition set, the pre- ceasma demolition set includes initiator (1), is embedded in multiple presplitting respectively
Explosive (2) in hole (5) and the propagation of explosion for being connected the explosive (2) in each described pre- ceasma (5) with the initiator (1)
Line, it is characterised in that the primacord includes propagation of explosion main line (3a) and multiple propagation of explosion branch lines (3b), the propagation of explosion main line (3a)
One end is connected to the initiator (1), and one end of each propagation of explosion branch line (3b) is sequentially connected to the propagation of explosion main line (3a), and
The other end of each propagation of explosion branch line (3b) is connected to the explosive (2) in each described pre- ceasma (5) correspondingly, described
Pre- ceasma demolition set includes multiple time-delay mechanisms (4) being sequentially connected in series on the propagation of explosion main line (3a), and adjacent institute
The tie point for stating propagation of explosion branch line (3b) and the propagation of explosion main line (3a) is located at one in multiple time-delay mechanisms (4) respectively
Both sides.
2. pre- ceasma demolition set according to claim 1, it is characterised in that the time-delay mechanism (4) is is arranged on
Time-delay mechanism outside the outside hole of pre- ceasma (5) is stated, the pre- ceasma demolition set also includes being arranged on pre- ceasma (5) inside
Hole in time-delay mechanism (8), time-delay mechanism (8) is connected to the end of each propagation of explosion branch line (3b) in the hole.
3. pre- ceasma demolition set according to claim 2, it is characterised in that the delay period of time-delay mechanism outside the hole
For 15~19ms, the delay period of time-delay mechanism (8) is 390~410ms in the hole.
4. pre- ceasma demolition set according to claim 2, it is characterised in that outside the hole in time-delay mechanism and the hole
Time-delay mechanism (8) is delay detonator.
5. pre- ceasma demolition set according to claim 1, it is characterised in that the primacord includes two propagation of explosions
Explosive (2) in main line (3a) and multiple propagation of explosion branch lines (3b), the pre- ceasma (5) of explosion first passes through a propagation of explosion
Main line (3a) is connected to the initiator (1), and one end of another propagation of explosion main line (3a) is connected to the initiator (1),
One end of each propagation of explosion branch line (3b) is in turn connected to another described propagation of explosion main line (3a), and each described propagation of explosion branch
The other end of line (3b) is connected to the explosive (2) in remaining each described pre- ceasma (5) correspondingly.
6. a kind of demolition set, including the main blast hole demolition set for the main blast hole (6) that detonates, it is characterised in that the explosion
Device also includes the pre- ceasma demolition set according to any one in claim 1-5.
7. demolition set according to claim 6, it is characterised in that the demolition set also includes being used for the cushion hole that detonates
(7) Buffer control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760581.3A CN105444630B (en) | 2015-11-10 | 2015-11-10 | Pre- ceasma demolition set and demolition set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510760581.3A CN105444630B (en) | 2015-11-10 | 2015-11-10 | Pre- ceasma demolition set and demolition set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105444630A CN105444630A (en) | 2016-03-30 |
| CN105444630B true CN105444630B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510760581.3A Active CN105444630B (en) | 2015-11-10 | 2015-11-10 | Pre- ceasma demolition set and demolition set |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116156A (en) * | 2010-04-28 | 2011-07-06 | 鞍钢集团矿业公司 | Slope expansion and blasting method for mining deep concave open-pit mine by stages |
| CN103307939A (en) * | 2013-06-19 | 2013-09-18 | 中国水利水电第十四工程局有限公司 | Deep-hole bench slight vibrating exploding method |
| CN203364671U (en) * | 2013-07-23 | 2013-12-25 | 内蒙古康宁爆破有限责任公司 | Hole-by-hole blasting network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9501306D0 (en) * | 1995-01-24 | 1995-03-15 | Explosive Dev Ltd | Improvements in or relating to explosive firing arrangements |
| WO2007124517A2 (en) * | 2006-04-20 | 2007-11-01 | Detnet South Africa (Pty) Ltd | Detonator system |
| CN202255133U (en) * | 2011-09-28 | 2012-05-30 | 内蒙古生力中伟爆破集团有限公司 | Short-delay blasting oblique blasting circuit |
-
2015
- 2015-11-10 CN CN201510760581.3A patent/CN105444630B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116156A (en) * | 2010-04-28 | 2011-07-06 | 鞍钢集团矿业公司 | Slope expansion and blasting method for mining deep concave open-pit mine by stages |
| CN103307939A (en) * | 2013-06-19 | 2013-09-18 | 中国水利水电第十四工程局有限公司 | Deep-hole bench slight vibrating exploding method |
| CN203364671U (en) * | 2013-07-23 | 2013-12-25 | 内蒙古康宁爆破有限责任公司 | Hole-by-hole blasting network |
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| CN105444630A (en) | 2016-03-30 |
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