CN2326931Y - Safety heaping-less detonator - Google Patents
Safety heaping-less detonator Download PDFInfo
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- CN2326931Y CN2326931Y CN 97221302 CN97221302U CN2326931Y CN 2326931 Y CN2326931 Y CN 2326931Y CN 97221302 CN97221302 CN 97221302 CN 97221302 U CN97221302 U CN 97221302U CN 2326931 Y CN2326931 Y CN 2326931Y
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- detonator
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Abstract
A safe non-heaping detonator of the utility model relates to safe and non-sympathetic detonation equipment without any sympathetic detonation dangers. The safe non-heaping detonator is composed of a housing 1, a sealed plug 2, a detonating element and driven detonating loading powder. The housing 1 is additionally provided with an outer jacketing tube shell 11, or an inner jacketing tube shell, or an isolated layer wind by multi-layer of leg wires particularly which can prevent the blast wave, the explosive gas and the detonator flinders to detonate the contiguous un-explosive detonator. First, a powder loading blocking print 14 is simultaneously arranged to realize the variable cross-section of the tube body which is propitious to the conversion from the combustion to the detonation. Secondly, a pressure increasing slice 10 used for increasing the combustion pressure obviously can make the detonator achieve the reliable detonating capability. The utility model has the advantages of simple structure, easy process, safety and reliability.
Description
The utility model safety heaping-less detonator relates to a kind of initiating equipment of safe, no risk of sympathetic explosions.
In a construction project such as city, traffic, water conservancy, electric power, mine and railway, the project under construction of using modern blasting technique is more and more.Thereby as the detonator demand order benefit increase of igniting equipment, when people have detonator now in production, storage, transportation and use, owing to a blasting cap detonation, cause other detonator induced detonation often, cause explosion accident to take place, bring miserable personal injury and great economic loss.
Along with the development of blasting engineering and the raising of human environment protection awareness of safety, the heaped measure security of detonator is had higher requirement, to this, people have carried out many explorations.There is the thick steel pipe of human to make primer casing, can realize the heaping-less purpose abroad, but processing difficulties, material cost is very high, and this technology only is used in indivedual fields such as military project, aerospace at present, is also used on engineering.The domestic very shortcoming of working in this respect still, the detonator automatic production line that introduce from Sweden in Beijing Coal Mining Administration chemical plant, in producing assembling, adopt the way that strengthens distance between the detonator to reach safe heaping-less purpose in the detonator production assembling, but still can't realize fundamentally that detonator producing, stores, transports and using the heaping-less requirement of each link.And detonator is stored and is on-the-spotly used in each link the heaped measure explosion accident in rising trend at transportation, storehouse, has accident to take place more the time in nearly 2 years.
The purpose of this utility model be to avoid the weak point of above-mentioned existing detonator and provide a kind of and tally with the national condition, simple in structure, low price, handling ease, security are good, the safe heaping-less detonator of reliable effect.
The purpose of this utility model can reach by following measure:
Safe heaping-less detonator, characteristics are to add a separation layer to shell 1, so that detonator has the effect of shock resistance induced detonation.
The purpose of this utility model can also reach by following measure:
Safe heaping-less detonator separation layer is arranged on outside the primer casing 1, is metal, overcoat shell 11 nonmetal or that formed by the nonmetal multiple cover of layer of metal and one deck, and overcoat shell 11 also can add thin metal or non-metallic film looping and form outside shell 1.
Safe heaping-less detonator separation layer is arranged in the capsule 1, is metal, inner sleeve shell 5 nonmetal or that formed by the nonmetal multiple cover of layer of metal and one deck.
Safe heaping-less detonator separation layer is the own electric payment to a porter 13 of electric cap, and long 1.5～2.5 meters, closely multi-lay winding forms outside primer casing 1.
Safe heaping-less detonator is provided with metal or nonmetallic supercharging sheet 10 in three times powder charges, 6 medicine sections upper end.Lean on powder charge card seal 14 that supercharging sheet 10 is fixed on its bayonet socket top, or when detonator was the isolation inner tube structure, supercharging sheet 10 directly was shelved on interior pipe 5 mouths of pipe.
Safe heaping-less detonator, card has powder charge card seal 14 on the shell 1 of three times powder charges, 6 medicine sections or two times powder charges, 7 medicine sections or three, four times powder charge binding sites.
The utility model provide a kind of structure very simple, be easy to realize, safe and reliable safe heaping-less detonator, have the good technical effect.This be because primer casing 1 outside or in install metal, outer tube 11 or inner sleeve 5 nonmetal or that form by the nonmetal multiple cover of layer of metal and one deck additional, or primer casing 1 outside, twine metal or the non-metallic film formation outer shell 11 that approaches or twine electric payment to a porter 13.When a blasting cap detonation, can prevent shock wave, the not quick-fried detonator that explosion gas is adjacent with the ignition of detonator fragmentation, increase side direction film flying quality, reduce the side direction flyer velocity, strengthen constraint simultaneously, be easy to realize the COMBUSTION TO DETONATION TRANSITION process, and increase detonator axial detonation power, prevent the detonator effect of being hit and passivation, can also reduce the gas safety of quick-fried temperature, increase thermal capacitance, raising detonator.And reduce shock wave, explosion gas and fragmentation to the not effect of quick-fried detonator, thus make detonator have the characteristics of shock resistance induced detonation, realize safe heaping-less purpose.Add that the powder charge card is set to be printed 14 1 and realize the body variable cross-section, turbulent combustion has poly-heart detonative action, helps the realization of COMBUSTION TO DETONATION TRANSITION (DDT) process; Two fixing supercharging sheets 10, thereby realize the appropriate design of degree of packing, promptly after the igniting, explosive density is bigger, form stronger ignition pressure, combustion pressure is multiplied by supercharging sheet 10 Gu Bi reflection, has increased combustion pressure significantly under certain loaded length, and high igniter pressure easily makes three times powder charges 6 form the forced convection burning.Combustion wave burns in varying cross-section duct, utilizes the poly-heart and turbulent flow pressure to increase sharply, and degree of packing diminishes, and helps the realization of DDT, and degree of packing increases again, increases explosion velocity, reaches reliable initiating ability at last.
The utility model is compared safety of coal mines detonator prior art simple in structure, safe and reliable improvement, has avoided the safety of coal mines detonator from used 6
#Initiation power brings up to 8
#The security that produces during initiation power and the contradiction of initiation power, inside and outside insulation layer structure can improve detonator gas safety and initiation power simultaneously.Powder charge card seal supercharging chip architecture is again for realizing that the nonpriming material detonator design principle provides simple and easy to do, economic reliable measures, middle or small, the bigger and big order of degree of packing is changed be achieved, guaranteed that the nonpriming material detonator that single high explosive is housed realizes the COMBUSTION TO DETONATION TRANSITION process reliably in limited loaded length.
The utility model has the following drawings:
Fig. 1 is a payment to a porter wound form 8
#Powder charge card seal supercharging sheet non-priming safety heaping-less detonator vertical section structure schematic diagram;
Fig. 2 is an overcoat tubular type 8
#Industry security heaping-less blasting cap vertical section structure schematic diagram;
Fig. 3 is an overcoat tubular type 8
#Non-electricity millisecond powder charge card seal supercharging sheet non-priming safety heaping-less detonator vertical section structure schematic diagram;
Fig. 4 is triangle powder charge card seal and taper supercharging sheet vertical section structure schematic diagram;
Fig. 5 is circular arc powder charge card seal and circular supercharging sheet vertical section structure schematic diagram;
Fig. 6 is trapezoidal powder charge card seal and convex supercharging sheet vertical section structure schematic diagram;
Fig. 7 is waveform powder charge card seal and arcs of recesses supercharging sheet vertical section structure schematic diagram;
Fig. 8 is an inner sleeve type 8
#Supercharging sheet non-priming safety heaping-less electric cap vertical section structure schematic diagram;
Below in conjunction with accompanying drawing embodiment of the present invention is described in detail:
Embodiment one:
As shown in Figure 1, the utility model safety heaping-less detonator is a payment to a porter wound form 8
#Powder charge card seal supercharging sheet non-priming safety heaping-less detonator, by shell 1, sealing-plug 2, payment to a porter 13, powder charge card seal 14, supercharging sheet 10, detonation element and quilt are sent out powder charge and are formed.Detonation element system is made of the four times powder charges 9 and the electric match 3 of inserting in it.Being sent out powder charge is made up of all over a powder charge 8 three times powder charges 6, two times powder charges 7 and head.Card has powder charge card seal 14 on three times powder charges, 6 medicine section shells 1, and the longitudinal cross-section of powder charge card seal 14 can be illustrated in figure 4 as dihedral, also can be arc shown in Figure 5, waveform trapezoidal or shown in Figure 7 shown in Figure 6.Its width is 2～6mm.The degree of depth is 0.2～1.2mm, and the longitudinal cross-section of powder charge card seal 14 is trapezoidal in the present embodiment, and preferably width is 5mm, and the degree of depth is 0.8mm.The powder charge card prints 14 bayonet sockets top top end, is provided with the supercharging sheet 10 that places between three times powder charges 6 and the four times powder charges 9.The supercharging sheet 10 here is circular metal plate or a non-metal plate as shown in Figure 5, also can be taper shown in Figure 4, convex shown in Figure 6, concave metal or nonmetallic thin slice shown in Figure 7, and thickness is 0.02～2mm.It is the copper sheet of 0.1mm that present embodiment preferably adopts circular thickness.The separation layer that is formed by three to five layers of the housings of long 1.5 meters～2.5 meters payment to a porter 13 tight looping charge segments is arranged on the outer wall of shell 1.Sealing-plug 2 is filled in to be fixed in the shell 1, and after electric match 3 was got angry, lighting single high explosive (as RDX, PETN etc.) density was 1.1g/cm
3Four times powder charges 9, combustion wave pressure is multiplied in the effect downforce of supercharging sheet 10, the combustion wave pressure that increases further makes three times powder charges, 6 burnings quicken, supercharging sheet 10 also has and stops that the back is to the intrusion of rarefaction wave, the card of powder charge simultaneously seal 14 increases shell 1 local strength, forms the varying cross-section duct burning, poly-heart detonation, help the realization of COMBUSTION TO DETONATION TRANSITION greatly, density 0.9g/cm
3Three times powder charge 6 turbulent combustions strengthen, explosion velocity increases sharply, reaching density is 1.25g/cm
3Two times powder charges 7 time, form high speed detonation, it is 1.45g/cm that high speed detonation continues to make density
3Head increase all over powder charge 8 explosion velocities, output reliably, the enough big energy that detonates.Four, three, two and head be middle or small, greatly and greatly in proper order all over a degree of packing variation.And these processes all take place under the situation of detonator self payment to a porter 13 looping shells 1 formation separation layer, stopped the effect of lateral impact ripple, detonation gas and film flying, and the separation layer that adjacent detonator has the payment to a porter looping to form equally, also further stoped the effect of side direction detonation energy, thereby realize safe heaping-less, and charging explosive in detonator is single high explosive, and sensitivity to initiation is lower, the unexpected induced detonation of more difficult quilt.
Embodiment two:
As shown in Figure 2, the utility model is an overcoat tubular type 8
#Industry security heaping-less blasting cap, by shell 1, strengthening cap 12, outer tube 11 and send out powder charge by the quilt that three times powder charges 6, two times powder charges 7, heads constitute all over powder charge 8 and form.Strengthening cap 12 has flash hole and is close to shell 1 inwall and withholds above three times powder charges 6, and after igniting element inserted detonator shell 1, flame passed the flash hole of strengthening cap 12, makes density 0.9g/cm
3Three times powder charges 6 (priming) detonate, be 1.3g/cm through density
3Two times powder charge 7 propagation of explosions, be 1.5g/cm in density
3Head continue to increase all over explosion velocity in the powder charge 8, obtain to detonate reliably energy.This process adds the strong constraint lower shaft and can obtain bigger raising to detonating outer tube 11; and side direction detonation can be weakened; adjacent detonator is under the protection of outer tube 11; further weaken the effect of lateral impact ripple, detonation gas and the film flying of main quick-fried detonator; thereby reach the purpose of safe heaping-less, and increased shock resistance induced detonation performance.
Simultaneously, outer tube 11 can reduce quick-fried temperature etc., can improve the gas safety of detonator allowed for use in coal mines effectively.
Embodiment three:
As shown in Figure 3, the utility model overcoat tubular type 8
#Non-electricity millisecond powder charge card seal supercharging sheet non-priming safety heaping-less detonator is sent out a powder charge by shell 1, fixing plug 16, powder charge card seal 14, supercharging sheet 10, outer tube 11, detonation element and quilt and is formed.Detonation element is that the detonator 15, ms postpone element 4 and the density that are fixed on shell 1 by fixing plug 16 are 1.2g/cm
3Four times powder charges 9 constitute.By sending out powder charge is 1.0g/cm by density still
3Three times powder charges 6, density be 1.4g/cm
3Two times powder charges 7 and density be 1.7g/cm
3Head form all over powder charge 8.Shell 1 is filled in to block on the position at fixing plug 16 wave card seal, so that detonator 15 is fixed on shell 1 upper open end place, and leave one section space between the ms postpone element 4, card has the semicircle arcuation card seal of one diameter 2～3mm in 1 section of ms postpone element 4 residing shell, at the shell 1 at three times powder charges, 6 medicine section places and be enclosed within that card has arcuation powder charge card seal 14 on the outer tube 11 outside it, its width is 6mm, the degree of depth is that 1.2mm round plastic supercharging sheet 10 is located between four times powder charges 9 and the three times powder charges 6, is printed 14 upper latch notches by the powder charge card and is positioned this.These supercharging sheet 10 diameters and bore coincide, and thickness is 0.4mm.After detonator 15 detonations igniting; make ms postpone element 4 time-delay of catching fire; light four times powder charges 9; through supercharging sheet 10 combustion wave pressure is increased; supercharging sheet 10 is fixing by powder charge card seal 14; and powder charge card seal 14 forms varying cross-section duct, and three times powder charge 6 turbulent combustions are strengthened, and the formation of detonation is changeed in accelerated combustion; grow up through the detonation of two times powder charges 7 again; increase with the density of head all over powder charge 8, explosion velocity continues to increase, and output is detonated reliably can; adding under strong constraint while at outer tube 11; the less interference that is subjected to the side direction rarefaction wave of nonpriming material detonator COMBUSTION TO DETONATION TRANSITION process, and lateral impact ripple; detonation gas and film flying effect are weakened, and the adjacent detonator of parallel placement is under the protection of outer tube 11; shock reflection stretches; further stop side direction detonation, thereby realized the effect of safe heaping-less, and had shock resistance induced detonation performance.Effects such as the quick-fried temperature of reduction are arranged because of outer tube 11 simultaneously, make this kind structure have gas safety again.
Embodiment four:
As shown in Figure 8, the utility model is an inner sleeve type 8# supercharging sheet non-priming safety heaping-less electric cap.Sending out a powder charge by shell 1, plastic plug 2, supercharging sheet 10, inner sleeve 5, igniting element and quilt forms.It is 1.0g/cm that igniting element is inserted density by point of amorce 3
3Four times powder charges 9 in constitute.Is 0.8g/cm by sending out powder charge by density
3Three times powder charges 6 and density be 1.35g/cm
3Two times powder charges 7 and density be 1.6g/cm
3Head form all over powder charge 8.Pipe 5 in shell 1 bottom is built-in with, the quilts of loading three medicine sections compositions in the interior pipe 5 are sent out powder charge, place powder charge 9 belows four times on managing 5 mouthfuls in supercharging sheet 10 places, supercharging sheet 10 is the steel thin slice, thickness is 1mm, and shell 1 top is provided with waveform bayonet socket card seal, and that plastic plug 2 chuckings of point of amorce 3 will be housed will be fixing.After point of amorce 3 igniting, light four times powder charges 9 of intermediate density, form higher combustion pressure, supercharging sheet 10 increases combustion wave pressure, three times powder charge 6 density are less, more easily realize the COMBUSTION TO DETONATION TRANSITION process under the inner sleeve constraint, it is stable that the head of two times powder charges 7 that density is bigger and bigger density grows up detonation all over powder charge 8, reaches reliable initiating ability.Meanwhile; under the constraint of inner sleeve 5; the lateral impact ripple; detonation gas and film flying detonate and are restricted; and the detonator of parallel placement is subjected to the further protection of inner sleeve 10; stoped main booster side direction detonation; thereby reach safe heaping-less, and inner sleeve not only helps nonpriming material detonator and realize COMBUSTION TO DETONATION TRANSITION smoothly, stop the side direction rarefaction wave; increased axial detonation power; and the reinforcement because of constraint makes side direction flame and detonation be subjected to certain limitation; do not add blast reducer in the powder charge and just can realize gas safety; the utility model not only is suitable for making the Permitted Detonator for Coal Mining kind, also can be made into open-air type kind, and has good shock resistance induced detonation performance.
Claims (6)
1, safe heaping-less detonator is sent out a powder charge by shell 1, sealing-plug 2, detonation element and quilt and is formed, and it is characterized in that adding a separation layer to shell 1, so that detonator has the effect of shock resistance induced detonation.
2, safe heaping-less detonator according to claim 1, it is characterized in that said separation layer be arranged on primer casing 1 outer, be metal, nonmetal or by layer of metal and the nonmetal overcoat shell 11 that is composited of one deck.
3, safe heaping-less detonator according to claim 1 is characterized in that said separation layer is arranged in the primer casing 1, is metal, nonmetal or by layer of metal and the nonmetal inner sleeve shell 5 that is composited of one deck.
4, safe heaping-less detonator according to claim 1 is characterized in that said separation layer is the own electric payment to a porter 13 of electric cap, and long 1.5～2.5 meters, closely multi-lay winding forms outside primer casing 1.
5,, it is characterized in that card has powder charge card seal 14 on the shell 1 of three times powder charges, 6 medicine sections or two times powder charges, 7 medicine sections or three, four times powder charge joint portions according to the described safe heaping-less detonator of one of claim 1 to 4.
6, safe heaping-less detonator according to claim 5, it is characterized in that being close to three times powder charges, 6 medicine sections upper end and be provided with metal or nonmetallic supercharging sheet 10, by powder charge card seal 14 supercharging sheet 10 is fixed on its bayonet socket top, or when detonator is the isolation inner tube structure, in directly being shelved on, supercharging sheet 10 manages on 5 mouths of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221302 CN2326931Y (en) | 1997-07-16 | 1997-07-16 | Safety heaping-less detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221302 CN2326931Y (en) | 1997-07-16 | 1997-07-16 | Safety heaping-less detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2326931Y true CN2326931Y (en) | 1999-06-30 |
Family
ID=33936741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97221302 Expired - Fee Related CN2326931Y (en) | 1997-07-16 | 1997-07-16 | Safety heaping-less detonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2326931Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426748A (en) * | 2017-08-28 | 2019-03-05 | 广州本安信息科技有限公司 | Detonator positioning scans fixed device |
| CN110554163A (en) * | 2019-09-17 | 2019-12-10 | 西安近代化学研究所 | Sample tube for combustion-to-detonation test |
-
1997
- 1997-07-16 CN CN 97221302 patent/CN2326931Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109426748A (en) * | 2017-08-28 | 2019-03-05 | 广州本安信息科技有限公司 | Detonator positioning scans fixed device |
| CN110554163A (en) * | 2019-09-17 | 2019-12-10 | 西安近代化学研究所 | Sample tube for combustion-to-detonation test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |