CN111397452A - Networking method for using electronic detonator in ultra-large scale - Google Patents
Networking method for using electronic detonator in ultra-large scale Download PDFInfo
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- CN111397452A CN111397452A CN202010238905.8A CN202010238905A CN111397452A CN 111397452 A CN111397452 A CN 111397452A CN 202010238905 A CN202010238905 A CN 202010238905A CN 111397452 A CN111397452 A CN 111397452A
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- blasting
- electronic detonators
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- large scale
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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
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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
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
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- 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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- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a networking method for using electronic detonators in a super-large scale, which comprises the following steps: dividing a region to be blasted into a plurality of sub-blasting regions; a plurality of electronic detonators are arranged in each sub-blasting area in series to form a group of electronic detonators; all groups of electronic detonators are connected in parallel; each group of electronic detonators is correspondingly connected with one exploder; each detonator is connected with a signal amplifier; the signal amplifier is connected with a control end to control the electronic detonator to explode. According to the networking method for using the electronic detonator in the ultra-large scale, firstly, a large-scale blasting area is reasonably partitioned so as to reduce the difficulty of blasting networking; secondly, signal amplifiers are arranged at the exploder and the control end, so that the communication reliability is improved, and the explosion failure rate is greatly reduced; and finally, reasonable time delay among the blast holes, time delay among blast rows and blast hole inclination angles are adopted, and good free surface and crushing effect are obtained by blasting.
Description
Technical Field
The invention relates to the technical field of ore body blasting demolition, in particular to a networking method for using an electronic detonator in a super-large scale.
Background
The electronic detonator is used as a new initiation device in a new era, and has the characteristics of high safety, high reliability, high precision, online detection of the state of the detonator, online calibration of delay time, high reliability of an initiation network, water resistance, pressure resistance, impact resistance and the like. According to the current situation of the state and the development requirements of civil explosive products, the public security department puts forward the requirements of accelerating the upgrading and upgrading of detonators and accelerating the popularization and application of electronic detonators from the aspects of anti-terrorism and social public security, and eliminates the common electric detonators and detonating tube detonators. At present, the electronic detonator technology in some countries such as the United states, Japan, Australia, south Africa and the like is quite mature and has been widely applied to blasting engineering. At present, the use of the electronic detonator in China is in a strong popularization and application stage. Therefore, the research and application of the networking technology for using the electronic detonator in a disposable super-large scale in the large explosion have great reference and guiding significance for similar engineering practices.
Disclosure of Invention
The invention aims to provide a networking method for using an electronic detonator in a super-large scale so as to solve at least part of defects in the prior art.
A further object of the present invention is to provide a networking method for using electronic detonators on a very large scale, which reduces the difficulty of blasting networking.
The invention further aims to provide a networking method for using the electronic detonator in a super-large scale under the conditions of missing installation, misconnection, mixed connection and the like.
Particularly, the invention provides a networking method for using electronic detonators in a super-large scale, which comprises the following steps:
dividing a region to be blasted into a plurality of sub-blasting regions;
a plurality of electronic detonators are arranged in each sub-blasting area in series to form a group of electronic detonators;
all groups of electronic detonators are connected in parallel;
each group of electronic detonators is correspondingly connected with one exploder;
each detonator is connected with a signal amplifier;
the signal amplifier is connected with a control end to control the electronic detonator to explode.
Preferably, the initiator is correspondingly identified with the electronic detonator it controls.
Preferably, each sub-blasting area is provided with a plurality of blasting holes, and each blasting hole is provided with an electronic detonator.
Preferably, the time delay between the holes of the blast hole is 10-12 ms;
the inter-row delay of the blast holes is 110-130 ms.
Preferably, the inclination angle of the blast holes is 80 to 86 °.
Preferably, the front row resistance line W of the sub-burst region is 3m to 4 m.
Preferably, the unit consumption of the explosive adopting the networking method is q which is 0.29kg/m 3.
Compared with the networking method for using the electronic detonator in the ultra-large scale in the prior art, the networking method for using the electronic detonator in the ultra-large scale provided by the invention has the following beneficial effects:
according to the networking method for using the electronic detonator in the ultra-large scale, firstly, a large-scale blasting area is reasonably partitioned so as to reduce the difficulty of blasting networking; secondly, signal amplifiers are arranged at the exploder and the control end, so that the communication reliability is improved, and the explosion failure rate is greatly reduced; and finally, reasonable time delay among the blast holes, time delay among blast rows and blast hole inclination angles are adopted, and good free surface and crushing effect are obtained by blasting. In summary, the unit consumption of the explosive using this networking method is q 0.29kg/m 3.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of a very large scale networking using electronic detonators in accordance with one embodiment of the present invention;
in the figure, 10, an electronic detonator; 20. an initiator; 30. a signal amplifier; 40. and a control end.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of the invention for providing a network of electronic detonators 10 for use in ultra-large scale. The invention provides a networking method for using electronic detonators 10 in a super-large scale, which specifically comprises the following steps:
firstly, dividing a region to be blasted into a plurality of sub-blasting regions.
Specifically, for large-scale blasting operation, firstly, partitioning is reasonably performed, and a region to be blasted is partitioned to form a plurality of sub-blasting regions so as to reduce the difficulty of blasting networking. Factors considered by zoning include, but are not limited to, ore body type, rock strata distribution, and cube size to be blasted. After the large-scale blasting area is reasonably partitioned, block management can be performed, the fault precision is high, and fault maintenance is timely.
Furthermore, the front row of resistance lines W of the sub-blasting area is 3-4 m, the front row of resistance lines is the distance from the center or gravity of the explosive package to the nearest free surface, and the smooth blasting effect can be improved by selecting reasonable front row of resistance lines in large-scale blasting operation.
And secondly, arranging a plurality of electronic detonators 10 in each sub-blasting area in series to form a group of electronic detonators.
Each sub-blasting area is provided with a plurality of blasting holes, and each blasting hole is provided with an electronic detonator 10.
Specifically, as shown in fig. 1, a plurality of electronic detonators 10 are arranged in series in each sub-blasting region, the plurality of electronic detonators 10 forming a group of electronic detonators, the respective electronic detonators 10 in the group of electronic detonators being connected in series.
The time delay between the holes of the blast hole is 10-12 ms, and the proper time delay between the holes can form a good free surface and is beneficial to forming a good crushing effect;
furthermore, the inter-row delay of the blast holes is 110-130 ms, and the proper inter-row delay ensures that the back row blasting is not influenced by the front row blasting stress wave, so that a better blasting effect can be obtained.
The inclination angle of the blast holes is 80-86 degrees, and the adoption of the inclination angle of the blast holes in large-scale blasting operation has the advantages that the distribution of the resistance lines is relatively uniform, and large blocks and residual root bottoms are not easy to generate after blasting; the steps are more stable, the slope surface of the steps is easy to maintain, and the damage to the next step surface is small; when the soft rock is blasted, high efficiency can be achieved; the shape of the rock mass after blasting is better. Preferably, the inclination of the blast hole may be 84 °.
And thirdly, connecting all groups of electronic detonators in parallel.
Specifically, as shown in fig. 1 again, for a large-scale networking using an electronic detonator 10 network, the detonators of the groups are connected in parallel, and blasting management is performed in blocks, so that the blasting failure rate can be reduced.
Fourthly, each group of electronic detonators 10 is correspondingly connected with one initiator 20.
Specifically, each group of electronic detonators 10 is correspondingly connected with one initiator 20, and the initiators 20 are also connected in parallel, so that the initiators 20 can reliably receive initiation instruction signals sent by a computer.
In some preferred embodiments, in order to achieve accurate blasting control, the initiator 20 and the electronic detonator 10 controlled by the initiator are correspondingly identified to realize one-to-one correspondence, so that the condition that when networking is installed, wrong connection occurs to cause a large accident in subsequent large-scale networking, and blasting failure is caused is avoided.
In a fifth step, each initiator 20 is connected to a signal amplifier 30.
The signal amplifier 30 amplifies the micro signal to a control signal to be transmitted to each initiator 20 to improve communication reliability for accurate control of the initiator 20.
And sixthly, the signal amplifier 30 is connected with a control end 40 to control the electronic detonator 10 to explode.
The control terminal 40 can be but not limited to a PC terminal and a mobile phone terminal, the control terminal 40 sends a control signal, the signal amplifier 30 amplifies the control signal and transmits the amplified control signal to the initiator 20, and the initiator 20 receives the amplified control signal and performs blasting.
According to the networking method for using the electronic detonators 10 in an ultra-large scale, firstly, a large-scale blasting area is reasonably partitioned, so that the blasting networking difficulty is reduced; secondly, the signal amplifier 30 is arranged on the initiator 20 and the control end 40, so that the communication reliability is improved, and the blasting failure rate is greatly reduced; and finally, reasonable time delay among the blast holes, time delay among blast rows and blast hole inclination angles are adopted, and good free surface and crushing effect are obtained by blasting. In summary, the unit consumption of the explosive adopting the networking method is q which is 0.29kg/m3。
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (7)
1. A networking method for using electronic detonators in a super-large scale is characterized by comprising the following steps:
dividing a region to be blasted into a plurality of sub-blasting regions;
a plurality of electronic detonators are arranged in each sub-blasting area in series to form a group of electronic detonators;
all groups of the electronic detonators are connected in parallel;
each group of electronic detonators is correspondingly connected with one initiator;
each detonator is connected with a signal amplifier;
the signal amplifier is connected with a control end to control the electronic detonator to explode.
2. The method of networking with ultra-large scale electronic detonators of claim 1 wherein:
and the initiator and the electronic detonator controlled by the initiator carry out corresponding identification.
3. The method of networking with ultra-large scale electronic detonators of claim 1 wherein: each sub-blasting area is provided with a plurality of blasting holes, and each blasting hole is provided with the electronic detonator.
4. The method of networking with ultra-large scale electronic detonators of claim 3 wherein:
the inter-hole time delay of the blast hole is 10-12 ms;
the inter-row delay of the blast holes is 110-130 ms.
5. The method of networking with ultra-large scale electronic detonators of claim 1 wherein:
the inclination angle of the blast holes is 80-86 degrees.
6. The method of networking with ultra-large scale electronic detonators of claim 1 wherein:
and the front row resistance line W of the sub-blasting area is 3-4 m.
7. The method of networking with ultra-large scale electronic detonators of claim 1 wherein:
the single consumption of the explosive adopting the networking method is q-0.29 kg/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010238905.8A CN111397452A (en) | 2020-03-30 | 2020-03-30 | Networking method for using electronic detonator in ultra-large scale |
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| CN202010238905.8A CN111397452A (en) | 2020-03-30 | 2020-03-30 | Networking method for using electronic detonator in ultra-large scale |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129175A (en) * | 2020-08-18 | 2020-12-25 | 重庆云铭科技股份有限公司 | Device and method for controlling detonation by cascade of detonators |
| CN114562922A (en) * | 2022-03-09 | 2022-05-31 | 厦门安能建设有限公司 | System, method and device for controlling blasting of precise control safety digital detonator and medium thereof |
| CN114894053A (en) * | 2022-04-26 | 2022-08-12 | 北京芯大陆科技有限公司 | Signal detection method between electronic detonators and electronic detonation system |
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| CN109115061A (en) * | 2018-09-01 | 2019-01-01 | ***电子综合勘察研究院 | A kind of initiation control method reducing blasting vibration |
| CN109631699A (en) * | 2018-12-03 | 2019-04-16 | 南阳市神威***工程有限公司 | A kind of application method of electronic digital detonator in mine blasting |
| CN110260736A (en) * | 2019-05-29 | 2019-09-20 | 中北大学 | A kind of data and the cascade digital electric detonator multi-stage connector of energy |
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2020
- 2020-03-30 CN CN202010238905.8A patent/CN111397452A/en active Pending
Patent Citations (5)
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| CN102042786A (en) * | 2010-11-12 | 2011-05-04 | 中铁十二局集团第二工程有限公司 | Controlled blasting construction method for shallow-buried large-section tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129175A (en) * | 2020-08-18 | 2020-12-25 | 重庆云铭科技股份有限公司 | Device and method for controlling detonation by cascade of detonators |
| CN114562922A (en) * | 2022-03-09 | 2022-05-31 | 厦门安能建设有限公司 | System, method and device for controlling blasting of precise control safety digital detonator and medium thereof |
| CN114562922B (en) * | 2022-03-09 | 2023-11-28 | 厦门安能建设有限公司 | Digital detonator blasting control system, method, device and medium thereof |
| CN114894053A (en) * | 2022-04-26 | 2022-08-12 | 北京芯大陆科技有限公司 | Signal detection method between electronic detonators and electronic detonation system |
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