CN101029814A - Detonator excimer and detonator therewith - Google Patents
Detonator excimer and detonator therewith Download PDFInfo
- Publication number
- CN101029814A CN101029814A CNA2007100196591A CN200710019659A CN101029814A CN 101029814 A CN101029814 A CN 101029814A CN A2007100196591 A CNA2007100196591 A CN A2007100196591A CN 200710019659 A CN200710019659 A CN 200710019659A CN 101029814 A CN101029814 A CN 101029814A
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- Prior art keywords
- detonator
- housing
- excitation apparatus
- high explosive
- delay
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/0815—Intermediate ignition capsules, i.e. self-contained primary pyrotechnic module transmitting the initial firing signal to the secondary explosive, e.g. using electric, radio frequency, optical or percussion signals to the secondary explosive
Abstract
The invention belongs to the technique field of detonating equipment, the invention mainly relates to exciting equipment of detonator and detonator made by the equipment. The exciting equipment Comprises an open shell which is like a barrel, the surface of the shell is interference fit with inwall of the shell. It is filled with high explosive, amorce, igniting primer or delayed element, the height of high explosive layer, amorce layer, igniting primer or delayed element is separately 0.5~2 times ,0.25~2 times and 1~6 times of the external diameter of the shell. Charge density of the high explosive layer is 0.4~1.2 g/cm3, and charge density of the amorce layer is 0.5~2.5 g/cm3. Igniting primer or delayed element compromises a piece of metal whose shape is like a column. The surface of the metal is interference fit with inwall of its exteriority, there is a through hole inside the metal, else fill delayed explosive. The invention regards the exciting equipment as an individual element. It benefits to concentrating on producing and to dispersal use, it also benefits to industrial production continuously, moreover, many kinds of high-safety detonator according to its different use.
Description
Technical field:
The invention belongs to explosive initiation equipment technical field, the detonator that is specifically related to the excitation apparatus of detonator and uses this device to make.
Background technology:
Detonator is widely used in military affairs, high-tech sector and civil engineering as the detonating material of desensitized explosive.Now the detonator that uses all adopts the compound charge technology, and typical structure is to use high explosive than insensitiveness as secondary explosive, sends out powder charge with responsive priming as main, uses the various ignition device as the first igniting energy.At first priming is detonated, the priming quick-fried high explosive that recurs.All primings are all very sensitive to the various first igniting energy, for example heat energy, electric energy, luminous energy, radiant energy, mechanical energy etc.In present compound charge detonator structure, leave between igniter and the priming and pass fiery passage.Though guaranteed the reliability of detonator effect, but security exists very big hidden danger, in production, transportation, storage and use, serious accidents such as miss bomb, bore premature, premature burst often take place, cause casualties, the heavy losses of property etc., can't guarantee high security, its use occasion and scope are very limited, environment such as high temperature, intense radiation, high-intensity magnetic field, thump, high overload for example, because priming hypersensitivity, high risk, countries in the world all replace the priming technology for detonators in the technology of research safety and reliability.On the other hand, priming must be produced on the spot, uses on the spot, causes to layout manyly, and production scale is limited.With China is example, produces the DDNP priming and will produce a large amount of sewage, and this sewage does not also have the good treatment technology at present, thereby has seriously influenced environment.Therefore, how to use a kind of safe and reliable device to substitute the sensitive priming medicine and excite detonator, can realize centralized production simultaneously again, disperse to use, be beneficial to environmental protection, become and solve the key of detonator problem now.
Two kinds of safety detonator technology are disclosed respectively among CN87106394.8 and the CN03271267.7.CN87106394.8 utilizes ignition charge to ignite the interior pipe of the energy impact lower cavity that a small amount of high explosive produces, and forms the metal film flying of high-speed motion, initiation by impact detonator internal charge.Though used the piston detonating capsule among the CN03271267.7, the piston portion of its detonating capsule can not be produced separately as independent component, is unfavorable for safety in production.
Find no the self-existent excitation apparatus that can be applicable to detonator in the prior art.
Summary of the invention:
The objective of the invention is to, on the basis of existing technology, a kind of detonator that can be applicable to the self-existent excitation apparatus of existing detonator and use this device is provided, thereby can realizes centralized production, dispersion use easily, help improving its security performance more.
Technical scheme of the present invention is as follows:
Detonator excitation apparatus of the present invention is characterized in that, it includes housing, high explosive, ignition charge, biography fire element or delay element.Described housing is uncovered tubular, its outer surface and the detonator cylinder inboard wall face interference fit of using this device, in this housing, be filled with high explosive, ignition charge, biography fire element or delay element from bottom to top successively, wherein the high explosive floor height is 0.5～2 times of housing external diameter, the ignition charge floor height is 0.25～2 times of housing external diameter, and the height that passes fiery element or delay element is 1～6 times of housing external diameter; The degree of packing of high explosive layer is 0.4～1.2g/cm
3, ignition charge layer degree of packing is 0.5～2.5g/cm
3Fiery element of described biography or delay element include a cylindrical metal body, its outer cylinder and inner walls face interference fit, be provided with through hole at cylindrical metal body center, constitute the fiery element of biography during as the fiery passage of biography, perhaps in this central through hole, fill delay powder and constitute delay element.
In above-mentioned excitation apparatus, described high explosive is one or both or the two or more composite explosives in the explosives such as RDX, HMX, TNT, PETN.Described ignition charge is the confection that fuel agent, oxidant and adhesive are formed, and wherein fuel agent content is 10%～30%, and oxygenate content is 70%～90%, and binder content is fuel agent and oxidant total content 2 times to 3 times.Described fuel agent is magnesium, aluminium, carbon, molybdenum, copper, antimony, tungsten, calcium, silicon, zirconium, boron etc.; Oxidant can use red lead (Pb
3O
4), PbO
2, perchloric acid salt such as NH
4ClO
4, KClO
4, chloric acid salt such as KClO
3, Nitrates such as Ba (NO
3)
2Deng; The adhesive working concentration is 4%～5% shellac solution, fluorubber etc., 1%～10% nitrocellulose solution.Also can directly use commercially available finished product ignition charge, as black powder, nitrocotton, double-base powder, how basic medicine, silicon mooring points gunpowder, tungsten mooring points gunpowder, boron mooring points gunpowder, molybdenum mooring points gunpowder, copper mooring points gunpowder, antimony mooring points gunpowder.The delay powder of described formation delay element is the delay powder that uses in the prior art, for example, and Pb
3O
4, SiFe and Sb
2S
3Series delay powder (claiming red lead, ferrosilicon and antimony trisulfide series delay powder again), silicon series postponing medicine, Mg, BaO
2Be delay powder, boron is delay powder, zirconium and Zirconium-nickel alloy delay powder, and manganese is delay powder, and molybdenum is a delay powder, and tungsten is delay powder or the like
The housing of described excitation apparatus can be made by metal material (as iron, copper, aluminium, tin, lead), nonmetallic materials (as plastics, curing materials, material with carbon element, fibrous material), composite etc.Cylindrical metal body in fiery element of described biography or the delay element, it is made by the metal of high ductility energy, for example lead, aluminium, ferroalloy etc.
In actual use, also can be according to using needs design secondary or excitation apparatus repeatedly, promptly outside the housing of above-mentioned excitation apparatus, overlap a secondary excitation housing again, and make secondary with the inner surface of housing with once use the housing outer surface interference fit, be filled with high explosive at secondary with the housing inner bottom part, its powder contacts with the bottom surface with housing once, and the pharmacopoeia of using in described high explosive and the excitation apparatus is identical, and its degree of packing is 0.4～1.2g/cm
3, shot elevation is secondary 0.5～2 times with the housing external diameter; The rest may be inferred, even its work of excitation apparatus is overlapping more frequently more frequently.
The high safety detonator that uses the invention described above excitation apparatus to make, the high explosive of three layers of different densities is housed on the end of by in its circular cylinder body inner chamber successively, it is characterized in that, above the 3rd layer of high explosive layer, be provided with excitation apparatus, the internal face interference fit of the outer surface of this excitation apparatus housing and described detonator cylindrical shell, the upper surface of detonator cylindrical shell is higher than the upper surface of excitation apparatus housing.
The high safety detonator that above-mentioned use has excitation apparatus to make, actual detonation process is: outside igniting back flame ignites and passes the delay powder core of fiery element or delay element inside, when use passing fiery element, flame is lighted the ignition charge of high sensitivity fast, the ignition charge lower floor's high explosive that detonates, produce the gentle body of big calorimetric, form high temperature, high pressure conditions, promoting housing fast moves downward, compression ground floor high explosive in the utmost point short time, make it produce a large amount of focuses, cause detonation, ignite the second layer, the 3rd layer of high explosive more successively; When using the delay powder core,,, just light the ignition charge of high sensitivity fast, produce and use the identical initiation process of the fiery element of biography afterwards when the delay powder core burns to end according to controlling the blasting cap initiation time its burning time.
The initiation mechanism of extension excitation apparatus of the present invention is to utilize the gases at high pressure that produce behind the explosive charge to promote housing fast, makes housing compression high explosive, produces a large amount of focuses and thump effect, causes high explosive detonation.Can realize instantaneous exciting easily, delay element also can be set in excitation apparatus realize delaying to excite.And,, add high explosive between excitation apparatus and the shell and can realize secondary excitation or more times multiple exciting as outside excitation apparatus, designing the shell of interference fit.Promote with this, can realize the reliable initiation of the low sensitivity desensitized explosive of high safety.
The excitation apparatus scope of application of the present invention is extensive.In actual use, can select different excitation apparatus according to different instructions for use, for example, need instantaneous exciting, can select the excitation apparatus that passes fiery element is installed, needing an extension excites, and can select to be equipped with the excitation apparatus of delay element.For different service conditions, can adopt different external excitation energy to excite, can use different igniters, for example devices such as fuse cord, electrical fuze, nonel tube, laser, ignition.
The present invention as independent component, has following advantage with the excitation apparatus of high explosive in the detonating primer: 1. be beneficial to centralized production, disperse to use, can better guarantee the detonator quality.Assembly line is simplified more, be convenient to the big industrial production of serialization.3. help to realize the standardized work of detonator installation, improve the detonator reliability.4. can make multiple high safety detonator at the different operating positions of detonator.
Also be further described in conjunction with the embodiments below by accompanying drawing.
Description of drawings:
Fig. 1 is a kind of instantaneous example structure schematic diagram that excites of excitation apparatus of the present invention.
Fig. 2 is that a kind of extension of excitation apparatus of the present invention excites the example structure schematic diagram.
Fig. 3 is a kind of example structure schematic diagram with the instantaneous excitation apparatus of secondary of the present invention.
Fig. 4 is a kind of example structure schematic diagram with quadratic extension excitation apparatus of the present invention.
Fig. 5 is to use the structural representation of the high safe blasting cap that extension excitation apparatus of the present invention makes.
Fig. 6 is to use the structural representation of the high safe electric detonator that extension excitation apparatus of the present invention makes.
Fig. 7 is to use the structural representation of the high safe nonel tube detonator that extension excitation apparatus of the present invention makes.
Fig. 8 is to use the structural representation of the high safe stab detonator that extension excitation apparatus of the present invention makes
Embodiment:
Among Fig. 1,1 is cylindrical shell, made of aluminum, smooth surface, and flawless, sand holes, its compact dimensions is: external diameter 10mm, wall thickness 1mm, high 25mm.Be filled with high explosive 2, ignition charge 3 from bottom to top successively and pass fiery element 4 in this housing, high explosive 2 is RDX, and density is 1.0g/cm
3, loading height is 5mm.Ignition charge 3 is made up of fuel agent, oxidant and adhesive, and loading height is 4mm, and wherein fuel agent is the magnesium powder, and content is 20%, and oxidant is red lead (Pb
3O
4), content is 80%, and adhesive is that concentration is 4% shellac solution, and content is fuel agent and oxidant total content 2 times.Pass the cylinder that fiery element 4 is made for lead metal, external diameter 9.2mm highly is 16mm.The internal face interference fit of its outer cylinder and cylindrical shell 1, being provided with diameter at this column center is the 1mm central through hole, as passing fiery passage.
Referring to Fig. 2, overall structure and size are with identical described in Fig. 1, and different is, be filled with delay powder 5 in the central through hole of column lead metal body, this medicine is a silicon series postponing medicine, is formed by following mixing of materials: plumbous chromate 45%, manganese dioxide 30%, silicon 25%.
Experiment shows, will use in the prior art detonator as the instantaneous excitation apparatus of Fig. 1, can realize safe and reliable the detonating of detonator; To use in the prior art detonator as the extension excitation apparatus of Fig. 2, and can realize delaying to excite, delay time is 350ms.
Among Fig. 3, housing 1 and high explosive 2, ignition charge 3, pass fiery element 4 and pass fiery passage and constitute excitation apparatus for the first time, 6 is the secondary excitation housing, the outer surface interference fit of its internal face and housing 1.The external diameter 11mm of secondary excitation housing 6, wall thickness 1.2mm, high 30mm, the kind of secondary high explosive 7 and degree of packing are identical with high explosive 2, and shot elevation is 6mm.
The basic structure of Fig. 4 is identical with Fig. 3, has just replaced with delay powder 5 to pass fiery passage, has played the effect that extension excites, and delay time is 350ms.Described delay powder is identical with Fig. 2 embodiment.
Among Fig. 5, expressed the structure of using the high safe blasting cap that the extension excitation apparatus makes, the excitation apparatus below is provided with the high explosive that three layers of density increase progressively according to prior art in this detonator: from top to bottom, the ground floor degree of packing is 0.4～1.5g/cm
3, shot elevation is 2.5 times of detonator shell external diameter.Second layer degree of packing is 1.2～1.6g/cm
3, shot elevation is 2 times of detonator shell external diameter.The 3rd layer of degree of packing is 1.6～1.8g/cm
3, shot elevation is 2 times of detonator shell external diameter.On the ground floor powder charge, be provided with the extension excitation apparatus, the internal face interference fit of the outer surface of this excitation apparatus housing and described detonator cylindrical shell, the upper surface of detonator cylindrical shell is higher than the upper surface of excitation apparatus housing, the 8th, fuse cord.Its mechanism is: the delay powder 5 that ignites after fuse cord 8 is lighted, ignite enclosure interior ignition charge 3 and high explosive 2, and promote the high explosive (secondary explosive) that the three layers of density in housing compression detonator bottom increase progressively, realize blasting cap initiation.
In Fig. 6, expressed the structure of using the high safe electric detonator that the extension excitation apparatus makes, same Fig. 5 of the technology that is provided with of excitation apparatus in this detonator.The 9th, sealing plug, the 10th, electric wire, the 11st, medicine head.The electric current that exploder produces enters detonator and lights medicine head 11 by electric wire 10, medicine head 11 excites the energy of generation to light delay powder 5, through certain burning time, causes ignition charge 3 and high explosive 2 detonations, promote the high explosive that the three layers of density in housing compression bottom increase progressively, realize blasting cap initiation.Sealing plug 9 seals.
In Fig. 7, expressed the structure of using the high safe nonel tube detonator that the extension excitation apparatus makes, same Fig. 5 of the technology that is provided with of excitation apparatus in this detonator.12 right and wrong electricity detonator, the 13rd, positioner.Delay powder 5 burnings in the excitation apparatus are caused in nonel tube 12 back of externally detonating under the function of current, through specific defer time fire point gunpowder 3 and high explosive 2, promote the high explosive that the three layers of density in housing compression bottom increase progressively, and realize blasting cap initiation.Sealing plug 9 seals, and positioner 13 determines that nonel tube enters the length and the position of detonator.
In Fig. 8, expressed the structure of using the high safe stab detonator that the extension excitation apparatus makes, same Fig. 5 of the technology that is provided with of excitation apparatus in this detonator.The 14th, firing pin.Firing pin 14 externally power effect impacts delay powder 5 down, makes its burning, and through behind the certain hour, the enclosure interior of detonating ignition charge 3 and high explosive 2, the gases at high pressure of generation promote the high explosive that housing compression below density increases progressively, and realize blasting cap initiation.Sealing plug 9 seals.
Claims (7)
1. a detonator excitation apparatus is characterized in that, it includes housing, high explosive, ignition charge, biography fire element or delay element; Described housing is uncovered tubular, the outer casing inner wall face interference fit of the detonator of its outer surface and this device of use, in this housing, be filled with high explosive, ignition charge, biography fire element or delay element from bottom to top successively, wherein the high explosive floor height is 0.5～2 times of housing external diameter, the ignition charge floor height is 0.25～2 times of housing external diameter, and the height that passes fiery element or delay element is 1～6 times of housing external diameter; The degree of packing of high explosive layer is 0.4～1.2g/cm
3, ignition charge layer degree of packing is for being 0.5～2.5g/cm
3Fiery element of described biography or delay element include a cylindrical metal body, its outer cylinder and inner walls face interference fit, be provided with through hole at cylindrical metal body center, constitute the fiery element of biography during as the fiery passage of biography, perhaps in this central through hole, fill delay powder and constitute delay element.
2. detonator excitation apparatus as claimed in claim 1, it is characterized in that, described ignition charge is the confection that fuel agent, oxidant and adhesive are formed, wherein fuel agent content is 10%～30%, oxygenate content is 70%～90%, and binder content is fuel agent and oxidant total content 2 times to 3 times; Described fuel agent is magnesium, calcium, aluminium, carbon, molybdenum, copper, antimony, tungsten, silicon, zirconium, boron; Oxidant is red lead, PbO
2, perchloric acid salt, chloric acid salt, Nitrates; Adhesive is that concentration is the nitrocellulose solution of 4%～5% shellac solution, fluorubber or 1%～10%.
3. detonator excitation apparatus as claimed in claim 1, it is characterized in that described ignition charge is commercially available finished product ignition charge: black powder, nitrocotton, double-base powder, how basic medicine, silicon mooring points gunpowder, tungsten mooring points gunpowder, boron mooring points gunpowder, molybdenum mooring points gunpowder, copper mooring points gunpowder, antimony mooring points gunpowder.
4. detonator excitation apparatus as claimed in claim 1 is characterized in that, described delay powder is the Pb that uses in the prior art
3O
4, SiFe and Sb
2S
3The series delay powder, silicon series postponing medicine, Mg, BaO
2Be delay powder, boron is delay powder, zirconium and Zirconium-nickel alloy delay powder, and manganese is delay powder, and molybdenum is a delay powder, and tungsten is delay powder.
5. detonator excitation apparatus as claimed in claim 1 is characterized in that, described high explosive is one or both or the two or more composite explosives in RDX, HMX, TNT, the PETN explosive.
6. detonator excitation apparatus as claimed in claim 1, it is characterized in that, described housing overlaps a secondary excitation housing outward again, and make secondary with the inner surface of housing with once use the housing outer surface interference fit, be filled with high explosive at secondary with the housing inner bottom part, its powder contacts with the bottom surface with housing once, and the pharmacopoeia of using in described high explosive and the excitation apparatus is identical, and its degree of packing is 0.4～1.2g/cm
3, shot elevation is secondary 0.5～2 times with the housing external diameter.
7. the detonator that uses the excitation apparatus of claim 1 to make, the high explosive of three layers of different densities is housed on the end of by in its circular cylinder body inner chamber successively, it is characterized in that, above the 3rd layer of high explosive layer, be provided with excitation apparatus, the internal face interference fit of the outer surface of this excitation apparatus housing and described detonator cylindrical shell, the upper surface of detonator cylindrical shell is higher than the upper surface of excitation apparatus housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100196591A CN100513987C (en) | 2007-01-26 | 2007-01-26 | Detonator excimer and detonator therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100196591A CN100513987C (en) | 2007-01-26 | 2007-01-26 | Detonator excimer and detonator therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101029814A true CN101029814A (en) | 2007-09-05 |
| CN100513987C CN100513987C (en) | 2009-07-15 |
Family
ID=38715287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100196591A Expired - Fee Related CN100513987C (en) | 2007-01-26 | 2007-01-26 | Detonator excimer and detonator therewith |
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| CN108955430A (en) * | 2018-10-17 | 2018-12-07 | 山西宸润隆科技有限责任公司 | The safe electric detonator of electrion plasma ignition utensil |
| CN109141146A (en) * | 2018-10-17 | 2019-01-04 | 山西宸润隆科技有限责任公司 | The safe electric detonator of electromagnetism interference electrion plasma ignition utensil |
| CN109141146B (en) * | 2018-10-17 | 2023-10-03 | 山西宸润隆科技有限责任公司 | Safety electric detonator of electromagnetic interference resistant high-voltage discharge plasma ignition device |
| CN108955430B (en) * | 2018-10-17 | 2023-10-10 | 山西宸润隆科技有限责任公司 | Safety electric detonator of high-voltage discharge plasma ignition device |
| CN109463185A (en) * | 2018-11-07 | 2019-03-15 | 北方特种能源集团有限公司西安庆华公司 | A kind of airborne increasing rain flame item with high security and high reliability |
| CN111777475A (en) * | 2020-07-07 | 2020-10-16 | 贵州梅岭电源有限公司 | Pyrotechnic agent for insensitive electric ignition head and preparation method and application thereof |
| CN114956919A (en) * | 2022-06-08 | 2022-08-30 | 浙江磐石紧固器材有限公司 | Novel primer mix for integrated nail shooting and preparation method thereof |
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| CN100513987C (en) | 2009-07-15 |
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