CN106382868B - A kind of high methane tunnel/tunnel electric cap serial ignition network on line method - Google Patents
A kind of high methane tunnel/tunnel electric cap serial ignition network on line method Download PDFInfo
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- CN106382868B CN106382868B CN201611051455.1A CN201611051455A CN106382868B CN 106382868 B CN106382868 B CN 106382868B CN 201611051455 A CN201611051455 A CN 201611051455A CN 106382868 B CN106382868 B CN 106382868B
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- electric cap
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 42
- 235000020004 porter Nutrition 0.000 claims abstract description 72
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 238000010304 firing Methods 0.000 claims abstract description 17
- 238000004880 explosion Methods 0.000 claims abstract description 11
- 238000007363 ring formation reaction Methods 0.000 claims abstract description 11
- 238000005422 blasting Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 9
- 230000000977 initiatory effect Effects 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 241000220317 Rosa Species 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 230000009172 bursting Effects 0.000 claims 1
- 230000037452 priming Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 240000004343 Indigofera suffruticosa Species 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
Classifications
-
- 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
- F42D1/05—Electric circuits for blasting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses a kind of high methane tunnel/tunnel electric cap serial ignition network on line methods, blow off blasthole first, according to blasting chart, the other electric cap of corresponding segment and powder stick are accurately packed into blasthole, and blocked tightly with stemming.Secondly, according to the payment to a porter color of different sections of other electric caps, the other electric cap of same section is connected cyclization first, each ring rises, only each remaining payment to a porter of electric cap, wherein bottom eye and periphery hole be same section not.Selection Center auxiliary one payment to a porter of snubber electric cap and a payment to a porter by bus side periphery hole electric cap, this two payment to a porter will finally couple with shot firing cable.Again, by professional explosion personnel since center assists the remaining another payment to a porter of snubber, to face arranged on left and right sides, successively adjacent remaining payment to a porter is coupled in pairs.If the total number of segment of electric cap is even number section, an auxiliary conductor is needed, in addition to the payment to a porter that two are chosen, remaining two payment to a porter are coupled；If total number of segment is odd number section, auxiliary conductor is not needed.Through blasting network check it is errorless after, two payment to a porter of selection are coupled with shot firing cable, formed serial ignition network.This method convenient for memory, be easy to receive, it is easy to implement, convenient for checking, it is ensured that the accuracy of on line, anti-leak-stopping connection, error connection.
Description
Technical field
The present invention relates to a kind of tunnel/tunnel initiation net on line method more particularly to a kind of high methane tunnel/tunnel electric caps
Serial ignition network on line method.
Background technique
Drilling and blasting method feature quick with its, flexible and adaptable is still that tunnel/roadway construction uses at this stage in China
Main method, especially for the construction of big cross section hard rock tunnel, drilling and blasting method is more economic, practical compared with other engineering methods.
The natural resources such as the coal and natural gas in China storage capacity is sufficient and widely distributed, is building tunnel/tunnel process
In, it can usually encounter the feelings that various coal-bearing strata, rich region gassy or tunnel/tunnel are located above oily geological environment
Condition.In the construction process of gas tunnel, since Geological Environmental Factors, gas drawing station mode and operating personnel's safe construction etc. are asked
Topic, inevitably occurs various Gas Disaster accidents, causes a large amount of casualties and property loss.
By measuring in highly gassy mine coal seam, the gas gushed out from the new scope of freedom and avalanche coal cinder after explosion is dense
Degree, when 160ms are 0.35%~1.6% when being 0.3%~0.95%, 360ms when being 0.3%~0.5%, 260ms, and
Gas density is more more than there was only 360ms when gas explosion lower limit (5%) few 83%~86%, 130ms 1/3 when 360ms, because
And in 130ms, gas density does not reach explosivity limit, and all explosion has terminated each section of millisecond delay electric detonator, so
There are enough safety coefficients.It the use of millisecond delay electric detonator is that will not cause watt when the last extension time being no more than 130ms
This explosion.
Usual I~V section of millisecond delay electric detonator of allowed for use in coal mines, delay respectively represents 0 from low to high, 25,50,75,
110ms.I section of loading wire of electric detonator color is that ash is red, and II section of loading wire of electric detonator color is sallow, and III section of loading wire of electric detonator color is ash
Indigo plant, IV section of loading wire of electric detonator color be it is greyish white, V section of loading wire of electric detonator color be it is green red, VI section of loading wire of electric detonator color is green
Huang, VII section of loading wire of electric detonator color are turquoise.
Non-electric shock conducting tube detonator detonation uses cluster linked method, and on line requirement is relatively easy, but must in high methane tunnel/tunnel
Electric detonator initiation must be used, and must be series connection.Light section tunnel/tunnel blasthole sum is 50 or so, and large cross-section tunnel big gun
Eye number is 120~150 or so, and operation number is more, excavates trolley for personnel and divides multiple operating areas, each operating area
There is the other detonator of multistage, detonator wire is also more mixed and disorderly.It is influenced simultaneously by light, dust etc., visibility is not high.Using serial ignition
When, if the connection sequence not standardized and professional, it is easy to leakage connection, error connection phenomenon occur, to cause to miss-fire, to applying
Work safety belt carrys out hidden danger.
Summary of the invention
The object of the present invention is to provide it is a kind of be easy to receive, facilitate implementation, convenient for checking, the high high methane tunnel of accuracy/
Tunnel electric cap serial ignition network on line method prevents electric cap leakage connection, error connection, improves the accurate of electric cap series wiring
Property, reduce the risk that detonator miss-fires.
The purpose of the present invention is what is be achieved through the following technical solutions:
High methane tunnel of the invention/tunnel electric cap serial ignition network on line method, in high methane tunnel/tunnel drilling and blasting method
When on line of detonating, the other loading wire of electric detonator of all same sections is coupled into cyclization first, every ring rises, stops blasthole electric cap each remaining one
Root payment to a porter；Secondly a payment to a porter of reserved center auxiliary snubber, by a payment to a porter of bus side periphery hole；Again by profession
Dynamiter to the left or to the right successively couples the adjacent loading wire of electric detonator in two sides since center assists snubber in pairs.
It, need to be by an auxiliary conductor, except reserved shot firing cable wiring, by remaining two payment to a porter connection if total number of segment is even number section
It connects；If total number of segment is odd number, it is not required to auxiliary conductor；Finally connection shot firing cable and two reserved payment to a porter, to be formed
Electric cap serial ignition network.
As seen from the above technical solution provided by the invention, high methane tunnel provided by the invention/tunnel electric cap string
Connection initiation net on line method, mainly Lian Jie cyclization, reserved payment to a porter, interception auxiliary conductor realization string by loading wire of electric detonator segmentation
Tie.Not by complex device, do not increase worker's amount of labour, be easy to on-site personnel receiving, facilitates implementation, convenient for inspection
It looks into, it can also be ensured that comprehensive, the accuracy of series wiring.
Detailed description of the invention
Fig. 1 is in a kind of specific embodiment of high methane tunnel/tunnel electric cap serial ignition network connection method of the present invention
Five sections of electric detonator initiation network on line schematic diagrames；
Fig. 2 is in a kind of specific embodiment of high methane tunnel/tunnel electric cap serial ignition network connection method of the present invention
Four sections of electric detonator initiation network on line schematic diagrames；
Fig. 3 is in a kind of specific embodiment of high methane tunnel/tunnel electric cap serial ignition network connection method of the present invention
Loading wire of electric detonator couple schematic diagram；
Fig. 4 is in a kind of specific embodiment of high methane tunnel/tunnel electric cap serial ignition network connection method of the present invention
Positive charge constitution schematic diagram；
Fig. 5 is in a kind of specific embodiment of high methane tunnel/tunnel electric cap serial ignition network connection method of the present invention
Loading wire of electric detonator connector schematic diagram；
In figure:
1, I section of loading wire of electric detonator ring, 2, II sections of loading wire of electric detonator rings, 3, III sections of loading wire of electric detonator rings, 4, IV sections of electric caps
Payment to a porter ring, 5, V sections of loading wire of electric detonator rings, 6, snubber, 7, center auxiliary snubber, 8, avalanche eye, 9, secondary peripheral eye, 10,
Periphery hole, 11, bottom eye, 12, shot firing cable, 13, auxiliary conductor, 14, electric cap, 15, loading wire of electric detonator, 16, stemming, 17, medicine
Volume, 18, sockets for collecting energy, 19, face, 20, tunnel surrounding, 21, loading wire of electric detonator connector
Specific embodiment
The embodiment of the present invention will be described in further detail below.
A kind of high methane tunnel of the invention/tunnel electric cap serial ignition network on line method is preferably embodied
Mode is:
Before high methane tunnel/tunnel drilling and blasting method detonation on line, blasthole is blown off, according to blasting chart, using positive powder charge knot
The other electric cap of corresponding segment and powder stick are accurately packed into blasthole, and are blocked tightly with stemming by structure.First by all phases when wiring
With the other electric cap connection cyclization of section, every ring rises, stops each remaining payment to a porter of blasthole electric cap；Selection Center assists snubber electricity
A piece payment to a porter of detonator, by a payment to a porter of bus side periphery hole electric cap, for the connection of last and shot firing cable；By profession
For dynamiter since center assists snubber, leftward or rightward two sides successively couple adjacent loading wire of electric detonator in pairs.
If total number of segment is even number section, an auxiliary conductor is needed, two additional payment to a porter are coupled；If total number of segment is odd number,
It should not auxiliary conductor.Two payment to a porter of selection are coupled with shot firing cable finally, form electric cap series network.
The tunnel is high methane railway, vcehicular tunnel or coal mine roadway, and all blastholes of explosion face are using positive
Charge constitution, using electric cap serial ignition network.
The forward direction charge constitution, by design explosive payload, sockets for collecting energy is packed into blasthole towards bottom hole, by powder stick, is finally packed into
Primer [cartridge] with electric cap, and blocked tightly with stemming.
In the blasthole, snubber uses I section of electric detonator initiation, and center assists snubber to use II section of electric detonator initiation,
Avalanche eye uses III section of electric detonator initiation, and secondary peripheral eye uses IV section of electric detonator initiation, and periphery hole and bottom plate eye use V section
Electric detonator initiation.
The electric detonator initiation network is series connection, and according to loading wire of electric detonator color, the other loading wire of electric detonator of same section is connected
Cyclization, then different sections of other loading wire of electric detonator are coupled, or is coupled using auxiliary conductor, form series network.
The electric cap is I~V section of allowed for use in coal mines millisecond delay electric detonator: I section of loading wire of electric detonator is bois de rose, II section
Loading wire of electric detonator is lark, and III section of loading wire of electric detonator is dusty blue, and IV section of loading wire of electric detonator is canescence, V section of electric cap foot
Line is green red.
The auxiliary conductor is the copper conductor with loading wire of electric detonator same size, and length is intercepted according to field demand.
The loading wire of electric detonator connecting mode is that nuditing wire is twisted together first, then will be twisted together 180 ° of section reflexed, again
Reflexed section is twisted together 3 times and 90 ° of reflexed, so that connection rear joint is vacantly placed, it must not be with underground water and clay, rock contact.
It is to be detected it is errorless after, two loading wire of electric detonator of the fixation position of selection are coupled with shot firing cable, are formed complete
Series network,
A kind of high methane tunnel of the invention/tunnel electric cap serial ignition network on line method, first will be the same as the other detonator of section
Then different sections of other electric caps are reserved payment to a porter, successively coupled in pairs to the left and right sides by series connection cyclization and reserved payment to a porter,
Finally reserved periphery hole payment to a porter and center reliever payment to a porter are coupled with shot firing cable, to realize electric cap serial ignition network
Connection, this method is technically simple, easy to operate, exploitativeness is strong, it can also be ensured that wiring accuracy, anti-leak-stopping connection, error connection are fitted
Preferably promoted and applied in the more high methane tunnel of the number of the boring hole/tunnel electric cap serial ignition network on line.
Specific embodiment:
A kind of high methane tunnel of the invention/tunnel electric cap serial ignition network on line method, core concept are segmentations
To not connect first cyclization and reserved payment to a porter with the other electric cap of section, then by professional explosion personnel or class monitor and group leader by different sections of not electric thunders
Reserved payment to a porter connection is managed, the on line of entire serial ignition network is completed.
Tunnel/the tunnel is high methane tunnel or coal mine roadway, using electric cap serial ignition network.Blasthole blows off and incites somebody to action
Powder stick and electric cap are accurately packed by blasting chart corresponds to blasthole, and wherein the corresponding I section of electric cap 1 of snubber 6, center assist slotting
The corresponding II section of electric cap 2 of eye 7, the corresponding III section of electric cap 3 of avalanche eye 8, the corresponding IV section of electric cap 4 of secondary peripheral eye 9, periphery hole 10
Corresponding V section of electric cap 5, the corresponding V section of electric cap 5 of bottom eye 11.
The other loading wire of electric detonator of same section is connected cyclization first, wherein snubber loading wire of electric detonator ring 1, center auxiliary
Snubber loading wire of electric detonator ring 2, avalanche eye loading wire of electric detonator ring 3, secondary peripheral eye payment to a porter ring 4, periphery hole and bottom eye electric cap
1. payment to a porter ring 5, bottom eye and periphery hole series connection node are.Every ring rises, stops each remaining payment to a porter of blasthole.
In the residue payment to a porter, two payment to a porter are chosen, close to 12 side periphery hole loading wire of electric detonator 5 of shot firing cable reserved one
Root payment to a porter, center assist snubber loading wire of electric detonator 2 to reserve a payment to a porter, remaining pre- for being finally connected with shot firing cable 12
Payment to a porter is stayed to be coupled by professional explosion personnel.
When the total number of segment of electric cap of the series wiring method is odd number section, as shown in Figure 1.
The remaining reserved payment to a porter, by professional explosion personnel, since center assists snubber, to the left by adjacent foot
Line couples in pairs, and snubber is reserved payment to a porter 1 and coupled with the center reserved payment to a porter 2 of auxiliary snubber, forms node 2., avalanche eye
Reserved payment to a porter 3 is reserved payment to a porter 4 with secondary peripheral eye and is coupled, and forms node 3..After the reserved payment to a porter in left side has coupled, it is pre- to carry out right side
Payment to a porter is stayed to couple, snubber reserves payment to a porter 2 and avalanche eye is reserved payment to a porter 3 and coupled, and forms node 4.；Secondary peripheral eye reserves payment to a porter
4, which reserve payment to a porter 5 with bottom eye, couples, and forms node 5..
Two payment to a porter of the selection, a reserved payment to a porter of II section of loading wire of electric detonator ring 2 and V section of loading wire of electric detonator ring 5
A reserved payment to a porter, after Network Check to be blasted is errorless, couples with shot firing cable 12, forms node 6..
All loading wire of electric detonator coupling methods are as shown in Figure 3.The two payment to a porter bare metal lines that will first couple are turned round
Then knot will be twisted together 180 ° of section reflexed, after reflexed section is twisted together 3 times again, 90 ° of reflexed is simultaneously hanging, forbid and underground water, glutinous
The contact such as soil, rock.
The blast hole projectile filling is using positive charge constitution as shown in Figure 4.By design explosive payload, sockets for collecting energy 18 is towards hole
Powder stick 17 is packed into blasthole, is finally packed into the primer [cartridge] for having electric cap 14, and block qualification with stemming 16 by bottom.
When the total number of segment of electric cap is even number section, as shown in Figure 2.
The electric cap section is not and blast hole projectile filling, same section not series connection cyclization method, loading wire of electric detonator method for obligating are same as above
One method, the difference is that needing in the remaining reserved loading wire of electric detonator of processing by an auxiliary conductor 13.
The remaining reserved loading wire of electric detonator is pre- by I section of loading wire of electric detonator ring 1 by professional explosion personnel since left side
It stays payment to a porter to reserve payment to a porter with II section of loading wire of electric detonator ring 2 to couple, forms node 2.；Due to the independent remaining IV section of electric cap foot in left side
The payment to a porter of wire loop 4 does not couple temporarily first；It is pre- with IV section of loading wire of electric detonator ring 4 that I section of right side loading wire of electric detonator ring 1 is reserved into payment to a porter
It stays payment to a porter to couple, forms node 3.；Due to the independent remaining V section of loading wire of electric detonator ring 5 in right side, wouldn't first couple.
The auxiliary conductor 13 of corresponding length is intercepted, one end couples with the remaining IV section of payment to a porter in left side, forms node 4.；The other end
Couple with the remaining V section of payment to a porter in right side, forms node 5..
The auxiliary conductor 13, specification copper conductor identical with loading wire of electric detonator, length are intercepted according to field demand.
Two payment to a porter 2 and 5 of the selection, are same as above a method with the coupling method of shot firing cable 12.
The coupling method of the loading wire of electric detonator 15 is same as above a method.
The blast hole loading structure is same as above a method.
A kind of high methane tunnel of the invention/tunnel electric cap serial ignition network on line method, advantage are: electric cap connection
Connection, error connection will not be leaked convenient for checking by connecing well arranged, the clear logic of sequence.First will be cyclic with the other electric cap series connection of section,
Reserved payment to a porter；Then different sections of other electric caps are reserved into payment to a porter connection, or by means of an auxiliary conductor.To field operation
It is easy to operate for personnel, exploitativeness is strong, be suitable for promoting to answer in high methane tunnel/tunnel electric cap serial ignition network on line
With.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (7)
1. a kind of high methane tunnel/tunnel electric cap serial ignition network on line method, which is characterized in that using positive powder charge knot
The other electric cap of corresponding segment and powder stick are accurately packed into blasthole, and blocked tightly with stemming according to blasting chart by structure；Wiring
Shi Shouxian couples cyclization according to loading wire of electric detonator color, by the other electric cap of all same sections, and every ring rises, only blasthole electric cap is each
A remaining payment to a porter；Selection Center assists a payment to a porter of snubber electric cap, by one of bus side periphery hole electric cap
Payment to a porter, for the connection of last and shot firing cable；By professional explosion personnel since center assists snubber, leftward or rightward two sides
Adjacent loading wire of electric detonator is successively coupled in pairs；If total number of segment is even number section, an auxiliary conductor is needed, it will be additional
Two payment to a porter connection；If total number of segment is odd number, should not auxiliary conductor；Finally two payment to a porter by selection and shot firing cable
Connection forms electric cap series network.
2. a kind of high methane tunnel according to claim 1/tunnel electric cap serial ignition network on line method, feature exist
In the tunnel is high methane railway, vcehicular tunnel or coal mine roadway, and bursting work uses electric detonator initiation；
The forward direction charge constitution is that powder stick sockets for collecting energy is packed into blasthole towards bottom hole, is finally packed into the priming for having electric cap
Volume, and blocked tightly with stemming.
3. a kind of high methane tunnel according to claim 2/tunnel electric cap serial ignition network on line method, feature exist
In the electric cap is I~V section of allowed for use in coal mines millisecond delay electric detonator；I section of loading wire of electric detonator is bois de rose, II section of electric cap
Payment to a porter is lark, and III section of loading wire of electric detonator is dusty blue, and IV section of loading wire of electric detonator is canescence, and V section of loading wire of electric detonator is green
It is red.
4. a kind of high methane tunnel according to claim 3/tunnel electric cap serial ignition network on line method, feature exist
In the electric detonator initiation is serial ignition network, and according to loading wire of electric detonator color, the other loading wire of electric detonator of all same sections is connected
Cyclization, every ring rise, stop each remaining payment to a porter of blasthole electric cap；Two payment to a porter are chosen, center assists II section of electric cap of snubber
A payment to a porter couple for last and shot firing cable by a payment to a porter of bus side V section of electric cap of periphery hole.
5. a kind of high methane tunnel according to claim 4/tunnel electric cap serial ignition network on line method, feature exist
In remaining loading wire of electric detonator is in pairs successively coupled adjacent loading wire of electric detonator, or led using auxiliary to the left and right sides
Line connection couples different sections of other loading wire of electric detonator.
6. a kind of high methane tunnel according to claim 5/tunnel electric cap serial ignition network on line method, feature exist
In the auxiliary conductor is the copper conductor with loading wire of electric detonator same size, and length is intercepted according to field demand.
7. a kind of high methane tunnel according to any one of claims 1 to 6/tunnel electric cap serial ignition network on line side
Method, which is characterized in that the loading wire of electric detonator coupling method will first be twisted together, 180 ° of reflexed, then kink, 90 ° of reflexed again,
Keep connector hanging, it cannot be with underground water, clay and rock contact；
Two payment to a porter of the selection, through blasting network check it is errorless after, it is coupled with shot firing cable, formed serial ignition net
Network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051455.1A CN106382868B (en) | 2016-11-25 | 2016-11-25 | A kind of high methane tunnel/tunnel electric cap serial ignition network on line method |
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|---|---|---|---|
| CN201611051455.1A CN106382868B (en) | 2016-11-25 | 2016-11-25 | A kind of high methane tunnel/tunnel electric cap serial ignition network on line method |
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| CN106382868B true CN106382868B (en) | 2019-01-04 |
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| CN109405684A (en) * | 2017-08-15 | 2019-03-01 | 中铁四院集团岩土工程有限责任公司 | A kind of inspection review method of labyrinth demolishing buildings explosion blasting circuit |
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| KR20130096943A (en) * | 2012-02-23 | 2013-09-02 | 주식회사 한화 | The method of tunnel blasting using electronic detonator |
| CN202494391U (en) * | 2012-03-08 | 2012-10-17 | 刘国祥 | Controllable blasting network |
| KR20160056670A (en) * | 2014-11-12 | 2016-05-20 | 정승 | Low pollution blasting equipment and method using a delay nonelectric detonator and connector detonator |
| CN105021096B (en) * | 2015-07-17 | 2017-03-01 | 中铁四局集团第四工程有限公司 | A kind of five-part form millisecond electric detonator secondary blasting construction method applied in high methane large cross-section tunnel explosion |
| CN204902691U (en) * | 2015-08-18 | 2015-12-23 | 宏大矿业有限公司 | Bunch multi pack that blasting networking was used is put |
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