CN103134396A - Indent detonator excitation device and detonator using it - Google Patents

Indent detonator excitation device and detonator using it Download PDF

Info

Publication number
CN103134396A
CN103134396A CN2013100615779A CN201310061577A CN103134396A CN 103134396 A CN103134396 A CN 103134396A CN 2013100615779 A CN2013100615779 A CN 2013100615779A CN 201310061577 A CN201310061577 A CN 201310061577A CN 103134396 A CN103134396 A CN 103134396A
Authority
CN
China
Prior art keywords
interior cap
detonator
cap
excitation apparatus
medicine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2013100615779A
Other languages
Chinese (zh)
Inventor
马宏昊
沈兆武
颜事龙
徐颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Science and Technology of China USTC
Original Assignee
University of Science and Technology of China USTC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Science and Technology of China USTC filed Critical University of Science and Technology of China USTC
Priority to CN2013100615779A priority Critical patent/CN103134396A/en
Publication of CN103134396A publication Critical patent/CN103134396A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Air Bags (AREA)

Abstract

The invention belongs to the technical field of explosive detonation, and concretely relates to a detonator and its excitation device. The excitation device has a cylindrical inner cap, the outer round surface of the inner cap is in interference fit with the inner wall surface of the shell of the detonator, an excitation drug and a flash element or a delay element are sequentially filled to the cavity of the inner cap, the middle of the bottom of the inner cap inward dents to form a cone or a round table, the axis of the cone or the round table is same to the axis of the inner cap, the ratio of the inner diameter of the inner cap to the diameter of the lower bottom surface of the cone or the round table is 1.0-1.8, an angle between the bus extension lines of the conical point angle or the round table is 15-100DEG, and the diameter of the upper bottom surface of the round table is in a range of F0.5-4.0mm; and the excitation drug is an unpackaged drug, the charging density is 0.5-1.0g/cm<3>, and the charging height is 0.2-2.0 times the inner diameter of the inner cap. The excitation device is arranged on the last-time charging layer of the detonator, the last-time charging layer is an unpackaged or packaged drug, the bulk density is 0.4-1.2g/cm<3>, and the compacted density is 1.2-1.7g/cm<3>. The detonator has the advantages of overcoming of the easy flow disadvantage of the unpackaged drug, large detonation energy and stable performances.

Description

Inner concave shape detonator excitation apparatus and use the detonator of this device
Technical field:
The invention belongs to explosive initiation equipment technical field, the detonator that is specifically related to the excitation apparatus of nonpriming material detonator and uses this device to make.
Background technology:
Detonator, as the detonating material of desensitized explosive, is widely used in military affairs, high-tech sector and civil engineering.At present, the priming detonator is still a widely used class detonator.The priming detonator all adopts the compound charge technology, and characteristic feature is with the detonate high explosive of insensitiveness of responsive priming, can use the various ignition device as the first igniting energy.All primings are all very sensitive to the various first igniting energy, such as heat energy, electric energy, luminous energy, radiant energy, mechanical energy etc.In present compound charge detonator structure, leave between igniter and priming and pass fiery passage, although guaranteed the reliability of detonator effect, but security presence very large hidden danger, producing, transportation, in storage and use procedure, miss bomb often occurs, bore premature, the serious accidents such as premature burst, cause casualties, the heavy losses of property etc., can't guarantee high security, its use occasion and scope are very limited, high temperature for example, intense radiation, high-intensity magnetic field, thump, the environment such as high overload, due to the 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.Take China as example, produce the DDNP priming and will produce a large amount of sewage, this sewage does not also have good treatment technology at present, thereby has seriously affected environment.
Not containing priming, there is safe and reliable advantage in nonpriming material detonator, can make up the deficiency of above-mentioned priming detonator.The fling chip detonator is a kind of nonpriming material detonator of having realized industrialization at present, and patent ZL200710019659.1 has announced the structure and mechanism of this detonator: flying plate detonator uses film flying Impact Initiation detonator bottom bulk explosive, and excitation apparatus is its technological core.Excitation apparatus by interior cap, excite medicine to form.Interior cap is flat, uncovered, tubular construction, generally by aluminium or iron, is made, and interior cap is the vitals that forms film flying.In the gases at high pressure shearing that excites the medicine burning to produce, the film flying of high-speed motion is formed on the cap bottom, and film flying clashes into interior cap bottom bulk explosive makes its detonation.Limited by the film flying initiating ability, the powder charge layer (according to powder charge order be detonator bottom last powder charge) nearest apart from interior cap must be bulk explosive.Experimental results show that: this layer of explosive density generally can not be greater than 1.0g/cm 3, otherwise there will be the detonator half quick-fried or phenomenon of miss-firing.Can not compacting due to this layer of explosive, cause in detonator explosive payload limited, reduced the blasting cap initiation ability, and, in detonator carrying, use procedure, bulk explosive easily flows, and is unfavorable for the detonator stable performance.In prior art, also do not find to solve the method for low this problem of flying-piece auget without detonating agent bottom last degree of packing.
summary of the invention:
The object of the invention is to, a kind of detonator that can be applicable to the self-existent inner concave shape excitation apparatus of existing flying plate detonator and use this device is provided, thereby improve detonator bottom last degree of packing, improve the detonator performance.
Technical scheme of the present invention is as follows:
Inner concave shape detonator excitation apparatus of the present invention, it includes cap in a cylindrical shape consisted of metal material, in being somebody's turn to do, cap is uncovered upwards, its tubular outer round surface and the detonator shell internal face interference fit of using this device, be filled with successively and excite medicine from bottom to top in the cavity of interior cap, pass fiery element or delay element, it is characterized in that, in the middle of the bottom surface of described interior cap, indent coning or truncated cone-shaped, its axis and interior cap dead in line, described interior cap internal diameter and circular cone or round platform bottom surface diameter ratio are 1.0-1.8, the angle of circular cone drift angle or two bus extended lines of round platform is 15 °-100 °, and the upper bottom surface diameter of round platform is in the F0.5-4.0mm scope, the described medicine that excites is medicine in bulk, and degree of packing is 0.5-1.0g/cm 3, shot elevation (being circular cone or the round platform bottom surface height to powder) is the internal diameter of the doubly interior cap of 0.2-2.0.
Inner concave shape detonator excitation apparatus of the present invention can need to be designed to secondary or multistage excitation apparatus according to using, overlapping a secondary outside the interior cap of above-mentioned excitation apparatus excites and uses interior cap again, and make the inner surface of interior cap and interior cap outer surface interference fit for one-level for secondary, be filled with explosive at secondary with the bottom of interior cap cavity, its powder contacts with the bottom surface of interior cap with one-level, described explosive is one or both or the two or more composite explosives in the conventional explosives such as RDX, HMX, TNT, PETN, and its degree of packing is 0.4-1.2g/cm 3, shot elevation is secondary with the 0.2-2.0 of interior cap internal diameter doubly; The rest may be inferred, even its work of excitation apparatus is overlapping more frequently more frequently; In actual use, also can cap in inner concave shape and flat interior cap need to be loaded in mixture according to using, the interior cap that one-level excites is flat-bottom structure, and the interior cap that secondary excites is the inner concave shape structure.The advantage of this design is, because cap in flat-bottom structure has larger volume, can load the more medicine that excites, and can make cap in the secondary inner concave shape have higher initiating ability.
The fiery element of described biography or delay element include a cylindrical metal body, its outer cylinder and interior cap cavity inner wall face interference fit, be provided with through hole at cylindrical metal body center, form and pass fiery element during as the fiery passage of biography, perhaps in this central through hole, fill delay powder and form delay element, the height that passes fiery element is 1-6 times of interior cap external diameter, and the delay element height is determined according to realized defer time and defering medicine prescription used.
In above-mentioned inner concave shape detonator excitation apparatus, the described medicine that excites is the confection that fuel agent, oxidant and adhesive form, 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 be used red lead (Pb 3o 4), PbO 2, the perchloric acid salt is as NH 4clO 4, KClO 4, Chlorates is as KClO 3, Nitrates is as Ba (NO 3) 2deng; The shellac solution that the adhesive working concentration is 4%-5%, the nitrocellulose solution of 1%-10%, fluorubber etc.Also can directly use commercially available finished product to excite medicine, as black powder, nitrocotton, double-base powder, many bases medicine, silicon system excite medicine, tungsten system, excite medicine, boron system to excite medicine, molybdenum system to excite medicine, copper system to excite medicine, antimony system to excite medicine.
The delay powder of described formation delay element is the delay powder used in prior art, for example: Pb 3o 4, SiFe and Sb 2s 3series delay powder (claiming again red lead, ferrosilicon and antimony trisulfide 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, molybdenum is delay powder, tungsten type delay composition etc.
Cylindrical metal body in the fiery element of described biography or delay element, it is made by the metal of high ductility energy, such as lead, aluminium, ferroalloy etc.
The nonpriming material detonator that uses the invention described above inner concave shape detonator excitation apparatus to make, the explosive of different densities is housed from bottom to top by bottom surface in its circular shell, be provided with excitation apparatus above last powder charge layer, this excitation apparatus comprises cap in a cylindrical shape consisted of metal material, in being somebody's turn to do, cap is uncovered upwards, its outer round surface and the detonator shell internal face interference fit of using this device, the upper surface of detonator shell, higher than the upper surface of interior cap, is filled with successively from bottom to top and excites medicine, passes fiery element or delay element in the cavity of interior cap; It is characterized in that, the bottom surface indent of described interior cap coning or truncated cone-shaped, interior cap internal diameter and circular cone or round platform bottom surface diameter ratio are 1.0-1.8, and the angle of described circular cone drift angle or two bus extended lines of round platform is 15 °-100 °, and round platform upper bottom surface diameter is in the F0.5-4.0mm scope; The described medicine that excites is medicine in bulk, and degree of packing is 0.5-1.0g/cm 3, shot elevation is greater than cap overall diameter in 0.2 times; The uppermost last powder charge of described detonator layer is in bulk or press-fits medicine, and bulk density is 0.4 g/cm 3-1.2g/cm 3, press-fiting density is 1.2 g/cm 3-1.7 cm 3.
The nonpriming material detonator that described use excitation apparatus of the present invention is made, its inner concave shape detonator excitation apparatus can need to be designed to secondary or multistage excitation apparatus according to using, overlapping a secondary outside the interior cap of above-mentioned excitation apparatus excites and uses interior cap again, and make the inner surface of interior cap and interior cap outer surface interference fit for one-level for secondary, be filled with explosive at secondary with the bottom of interior cap cavity, its powder contacts with the bottom surface of interior cap with one-level, described explosive is RDX, HMX, TNT, one or both in the conventional explosives such as PETN or two or more composite explosives, its degree of packing is 0.4-1.2g/cm 3, shot elevation is secondary with the 0.2-2.0 of interior cap internal diameter doubly, the rest may be inferred, even its work of excitation apparatus is overlapping more frequently more frequently, in actual use, for the secondary excitation apparatus, also can cap in inner concave shape and flat interior cap need to be loaded in mixture according to using, the interior cap that one-level excites is flat-bottom structure, and the interior cap that secondary excites is the inner concave shape structure.
The nonpriming material detonator that described use excitation apparatus of the present invention is made, can select different excitation apparatus according to different instructions for uses in actual use, for example, need to instantaneously excite, can select to be equipped with the excitation apparatus that passes fiery element, 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, such as fuse cord, electrical fuze, nonel tube, laser, ignition etc.
The nonpriming material detonator that use has above-mentioned excitation apparatus to make, actual detonation process is: after outside igniting, flame ignites and passes the delay powder core of fiery element or delay element inside, use while passing fiery element, flame is lighted fast and is excited medicine, excites the medicine detonation to produce high temperature and high pressure gas.For circular cone, under the gases at high pressure effect, its sidewall is compressed to the jet that forms together downward high-speed motion; For round platform, at first its upper bottom surface collapses under pressure under the gases at high pressure effect, forms the high-speed jet move downward, and the round platform sidewall formation jet that crushes under gases at high pressure, move downward jointly with the upper bottom surface jet then.Due to jet have high temperature, at a high speed, the characteristics of high pressure, after jet and the last powder charge of detonator bottom are clashed into, if bottom last powder charge is for press-fiting, although press-fit and there is certain density, but jet can " thrust " last powder charge inside easily, high jet temperature and pressure can form a large amount of focuses in the last powder charge, cause detonation; If bottom last powder charge is in bulk,, under the jet compression, more easily form a large amount of focuses, cause detonation; While using the delay powder core, according to controlling the blasting cap initiation time its burning time, when the delay powder core burns to end, just light fast and excite medicine, produce afterwards the initiation process identical with using the fiery element of biography.
The initiation mechanism of excitation apparatus of the present invention is to utilize to excite the crush sidewall of interior cap bottom female parts of the gases at high pressure that produce after the medicine detonation, form the jet of high speed, high temperature, high pressure, the last powder charge of impinging jet detonator bottom, produce a large amount of focuses and thump effect, causes explosive detonation.The present invention can realize instantaneous exciting easily, delay element also can be set in excitation apparatus and realize delaying to excite.And, as designed the shell of interference fit outside excitation apparatus, between excitation apparatus and shell, add explosive can realize that secondary excites or more times multiple exciting.Promote with this, can realize the reliable initiation of the low sensitivity desensitized explosive of high safety.
The inner concave shape excitation apparatus of the present invention's design has the following advantages: 1. the inner concave shape excitation apparatus forms the jet detonating capsule, has advantages of that initiation energy is large, reliability is high; 2. the detonator base charge can be realized the high density powder charge, has not only improved the blasting cap initiation ability, and has overcome the runny shortcoming of medicine in bulk, is beneficial to the detonator stable performance.
The excitation apparatus of the present invention's explosive in detonating primer, as independent component, has following advantage: 1. be beneficial to centralized production, disperse to use, can better guarantee the detonator quality.2. make assembly line more simplify, be convenient to the large industrial production of serialization.3. contribute to the standardized work of realizing that detonator is installed, improve the detonator reliability.4. can make multiple nonpriming material detonator for the different service conditions of detonator, applied widely.
Below by accompanying drawing, also be further described in conjunction with the embodiments.
The accompanying drawing explanation:
Fig. 1 is the instantaneous excitation apparatus example structure of conical indent of the present invention schematic diagram.
Fig. 2 is truncated cone-shaped indent extension excitation apparatus example structure schematic diagram of the present invention.
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 secondary extension excitation apparatus of the present invention.
Fig. 5 is the on-electric detonator structural representation that uses the instantaneous excitation apparatus of conical indent of the present invention to make.
Fig. 6 is the electric cap structural representation that uses truncated cone-shaped indent extension excitation apparatus of the present invention to make.
The specific embodiment
Embodiment 1: the instantaneous excitation apparatus of conical indent
Referring to Fig. 1, interior cap 1 is cylindrical shape, made of aluminum, smooth surface, and flawless, sand holes, its compact dimensions is: external diameter F6.2mm, wall thickness 0.4mm, high 18mm, it is conical that the bottom indent is, and circular cone bottom surface circular diameter is F5.2mm, and cone-apex angle is 100 °.Be filled with successively from bottom to top in the cap cavity in this and excite medicine 2 and pass fiery element 3.Excite medicine 2 to be comprised of fuel agent, oxidant and adhesive, wherein fuel agent is the magnesium powder, and oxidant is red lead (Pb 3o 4), the mass ratio of both content is 1:4, and adhesive is the shellac solution that concentration is 4%, and content is fuel agent and oxidant total content 2 times.Pass the cylinder that fiery element 3 is made for lead metal, external diameter F5.3mm, be highly 10mm.The internal face interference fit of its outer cylinder and interior cap 1, be provided with diameter F1.5mm through hole at this column center, as passing fiery passage.Excite medicine to be bulked in the interior cap cavity that passes fiery element 3 belows, degree of packing 0.8 g/cm 3, shot elevation 5.8mm.
Embodiment 2: truncated cone-shaped indent extension excitation apparatus
In Fig. 2, interior cap 4 is cylindrical shell, is fabricated from iron smooth surface, flawless, sand holes, its compact dimensions is: external diameter F6.2mm, wall thickness 0.4mm, high 16mm, the bottom indent is truncated cone-shaped, round platform bottom surface diameter is F5.3mm, and the upper bottom surface diameter is F2.5mm, and base angle (angle of bottom surface and bus) is 60 °.Be filled with successively from bottom to top in the cap cavity and excite medicine 2 and delay element 5 in this.Excite medicine 2 to form described identical with embodiment 1, be bulked in the interior cap cavity of delay element 5 belows degree of packing 0.8 g/cm 3, shot elevation 3.6mm.Delay element 5 is column lead metal body, is filled with delay powder in central through hole, and this medicine is silicon series postponing medicine, by following mixing of materials, is formed: plumbous chromate 45%, manganese dioxide 30%, silicon 25%.Delay element 5 sizes are identical with the fiery element 3 of the described biography of Fig. 1.
Experiment shows, will use in the prior art detonator as the instantaneous excitation apparatus of embodiment 1, can realize the superquick action that detonator is safe and reliable; To use in the prior art detonator as the extension excitation apparatus of embodiment 2, and can realize delaying to excite, delay time is 40ms.
Embodiment 3: the instantaneous excitation apparatus of secondary
Fig. 3 secondary excitation apparatus that interior cap coning forms by two indents, the described excitation apparatus of Fig. 1, as the first order, excites medicine 6 and interior cap 7 to form the second level.The outer surface interference fit of cap 1 in the internal face of cap 7 and the first order in the second level.The interior cap external diameter F6.2mm that secondary excites, wall thickness 0.4mm, high 26mm, the second level excites the kind of medicine 6 and degree of packing, charging means to excite medicine 2 identical with the first order.
Embodiment 4: secondary extension excitation apparatus
Fig. 4 is that indent is the interior cap of truncated cone-shaped and the secondary excitation apparatus that common flat interior cap forms.The first order excites with flat interior cap 9 external diameter F5.4mm, high 13mm, and inside is loaded and is excited medicine 8, delay element 5 successively from bottom to top.The second level excites that to be interior cap 4 sizes of truncated cone-shaped by indent described with Fig. 2, the outer surface interference fit of cap 9 in the internal face of cap 4 and the first order in the second level.Load and excite medicine 2 and 8 respectively in two interior cap cavitys.Excite the kind of medicine 2 and 8 and degree of packing, charging means all described identical with embodiment 1.Delay element 5 structures, composition are described identical with embodiment 2, and external diameter is F4.6mm, height 10mm.
Embodiment 5: the on-electric detonator that uses the instantaneous excitation apparatus of conical indent to make
Expressed the structure of sending out on-electric detonator wink that the excitation apparatus that uses indent to be circular cone is made in Fig. 5, the below in this detonator shell is provided with the explosive that two-layer density increases progressively: from bottom to up, the degree of packing of ground floor 16 is 1.6-1.8g/cm 3, shot elevation is 1.8 times of detonator shell internal diameter; The degree of packing of the second layer 15 is 1.2~1.7g/cm 3, shot elevation is 1.2 times of detonator shell internal diameter.This detonator excitation apparatus used is described identical with embodiment 1, the instantaneous excitation apparatus of conical indent is arranged on the top of ground floor powder charge, the outer surface of indent interior cap coning and the internal face interference fit of described detonator shell 13, the upper surface of detonator shell is higher than the upper surface of excitation apparatus housing, the 10th, detonator, introduce detonator by time break; The 11st, the rubber sealing plug, seal; 12,14 be limited bayonet.The initiation process of the present embodiment detonator is: detonator 10 externally produces shock wave under the function of current, shock wave ignites and excites medicine 2 by the central through hole that passes fiery element 3, under the gases at high pressure effect that excites medicine 2 to produce, the jet of downward high-speed motion is formed on interior cap 1 bottom, the jet base charge 15 that detonates, and then ignite base charge 16, realize blasting cap initiation.
Embodiment 6: the electric cap that uses truncated cone-shaped indent extension excitation apparatus to make
In Fig. 6, expressed the structure of the delay electric detonator that the excitation apparatus that uses indent to be round platform makes.In this detonator, excitation apparatus used is described identical with embodiment 2.The detonator base charge is described identical with embodiment 5.In figure, the 17th, electric wire, the 18th, plastic cork, 19,21 are limited bayonet, and the 20th, point of amorce.The initiation process of the present embodiment detonator is: the electric current that exploder produces enters detonator and lights medicine head 20 by electric wire 17, the combustion flame of medicine head 20 is lighted the delay powder at delay element 5 centers, through certain burning time, ignite and excite medicine 2, the jet of high-speed motion is formed downwards on the bottom that the gases at high pressure that excite the medicine burning to produce make interior cap 4 be truncated cone-shaped, the jet base charge 15 that detonates, and then ignite base charge 16, realize blasting cap initiation.

Claims (8)

1. an inner concave shape detonator excitation apparatus, it includes cap in a cylindrical shape consisted of metal material, in being somebody's turn to do, cap is uncovered upwards, its outer round surface and the detonator shell internal face interference fit of using this device, be filled with successively and excite medicine from bottom to top in the cavity of interior cap, pass fiery element or delay element, it is characterized in that, in the middle of the bottom surface of described interior cap, indent coning or truncated cone-shaped, its axis and interior cap dead in line, interior cap internal diameter and circular cone or round platform bottom surface diameter ratio are 1.0-1.8, the angle of circular cone drift angle or two bus extended lines of round platform is 15 °-100 °, and round platform upper bottom surface diameter is in the F0.5-4.0mm scope, the described medicine that excites is medicine in bulk, and degree of packing is 0.5-1.0g/cm 3, the internal diameter that shot elevation is the doubly interior cap of 0.2-2.0.
2. inner concave shape detonator excitation apparatus as claimed in claim 1, it is characterized in that, described inner concave shape detonator excitation apparatus is secondary or multistage excitation apparatus, overlapping a secondary outside the interior cap of above-mentioned excitation apparatus excites and uses interior cap again, and make the inner surface of interior cap and interior cap outer surface interference fit for one-level for secondary, be filled with explosive at secondary with the bottom of interior cap cavity, degree of packing is 0.4-1.2g/cm 3, shot elevation is secondary with the 0.2-2.0 of interior cap internal diameter doubly, its powder contacts with the bottom surface of interior cap with one-level; The rest may be inferred, even its work of more multistage excitation apparatus is overlapping more frequently.
3. inner concave shape detonator excitation apparatus as claimed in claim 2, is characterized in that, describedly at secondary, with the bottom of interior cap cavity, is filled with explosive, and this explosive is one or both or the two or more composite explosives in RDX, HMX, TNT, PETN conventional explosives.
4. inner concave shape detonator excitation apparatus as claimed in claim 2, is characterized in that, described secondary excitation apparatus is loaded in mixture cap in inner concave shape and flat interior cap, and the interior cap that one-level excites is flat-bottom structure, and the interior cap that secondary excites is the inner concave shape structure.
5. the nonpriming material detonator that uses inner concave shape detonator excitation apparatus as claimed in claim 1 to make, the explosive of different densities is housed from bottom to top by bottom surface in its circular shell, be provided with excitation apparatus above last powder charge layer, this excitation apparatus comprises cap in a cylindrical shape consisted of metal material, in being somebody's turn to do, cap is uncovered upwards, its outer round surface and the detonator shell internal face interference fit of using this device, the upper surface of detonator shell, higher than the upper surface of interior cap, is filled with successively from bottom to top and excites medicine, passes fiery element or delay element in the cavity of interior cap; It is characterized in that, the bottom surface indent of described interior cap coning or truncated cone-shaped, its axis and interior cap dead in line, interior cap internal diameter and circular cone or round platform bottom surface diameter ratio are 1.0-1.8, the angle of described circular cone drift angle or two bus extended lines of round platform is 15 °-100 °, and round platform upper bottom surface diameter is in the F0.5-4.0mm scope; The described medicine that excites is medicine in bulk, and degree of packing is 0.5-1.0g/cm 3, shot elevation is secondary with the 0.5-2 of interior cap external diameter doubly; The uppermost last powder charge of described detonator layer is in bulk or press-fits medicine, and bulk density is 0.4 g/cm 3-1.2g/cm 3, press-fiting density is 1.2 g/cm 3-1.7 cm 3.
6. nonpriming material detonator as claimed in claim 5, it is characterized in that, described excitation apparatus is secondary or multistage excitation apparatus, overlapping a secondary outside the interior cap of above-mentioned excitation apparatus excites and uses interior cap again, and make the inner surface of interior cap and interior cap outer surface interference fit for one-level for secondary, be filled with explosive at secondary with the bottom of interior cap cavity, degree of packing is 0.4-1.2g/cm 3, shot elevation is secondary with the 0.2-2.0 of interior cap internal diameter doubly, its powder contacts with the bottom surface of interior cap with one-level; The rest may be inferred, even its work of more multistage excitation apparatus is overlapping more frequently.
7. nonpriming material detonator as claimed in claim 5, is characterized in that, describedly at secondary, with the bottom of interior cap cavity, is filled with explosive, and this explosive is one or both or the two or more composite explosives in RDX, HMX, TNT, PETN conventional explosives.
8. nonpriming material detonator as claimed in claim 5, is characterized in that, described secondary excitation apparatus is loaded in mixture cap in inner concave shape and flat interior cap, and the interior cap that one-level excites is flat-bottom structure, and the interior cap that secondary excites is the inner concave shape structure.
CN2013100615779A 2013-02-27 2013-02-27 Indent detonator excitation device and detonator using it Pending CN103134396A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013100615779A CN103134396A (en) 2013-02-27 2013-02-27 Indent detonator excitation device and detonator using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100615779A CN103134396A (en) 2013-02-27 2013-02-27 Indent detonator excitation device and detonator using it

Publications (1)

Publication Number Publication Date
CN103134396A true CN103134396A (en) 2013-06-05

Family

ID=48494552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013100615779A Pending CN103134396A (en) 2013-02-27 2013-02-27 Indent detonator excitation device and detonator using it

Country Status (1)

Country Link
CN (1) CN103134396A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114560747A (en) * 2022-03-25 2022-05-31 南京理工大学 Fuse small-sized energy-gathering output detonator adopting single charge

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032234A (en) * 1987-09-22 1989-04-05 淮南矿业学院 Simple flying-piece auget without detonating agent
US4892039A (en) * 1989-03-09 1990-01-09 The United States Of America As Represented By The Secretary Of The Army Ring detonator for shaped-charge warheads
US4896609A (en) * 1989-05-01 1990-01-30 United States Of America As Represented By The Secretary Of The Army Planar shock wave generator and enhancer device
CN101825419A (en) * 2010-04-20 2010-09-08 中国科学技术大学 Exploding device with multi-varying section and detonator applying same
CN202267419U (en) * 2011-10-09 2012-06-06 国营红林机械厂 Device for destroying initiating explosive devices with shells

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032234A (en) * 1987-09-22 1989-04-05 淮南矿业学院 Simple flying-piece auget without detonating agent
US4892039A (en) * 1989-03-09 1990-01-09 The United States Of America As Represented By The Secretary Of The Army Ring detonator for shaped-charge warheads
US4896609A (en) * 1989-05-01 1990-01-30 United States Of America As Represented By The Secretary Of The Army Planar shock wave generator and enhancer device
CN101825419A (en) * 2010-04-20 2010-09-08 中国科学技术大学 Exploding device with multi-varying section and detonator applying same
CN202267419U (en) * 2011-10-09 2012-06-06 国营红林机械厂 Device for destroying initiating explosive devices with shells

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114560747A (en) * 2022-03-25 2022-05-31 南京理工大学 Fuse small-sized energy-gathering output detonator adopting single charge

Similar Documents

Publication Publication Date Title
CN100513987C (en) Detonator excimer and detonator therewith
US5385098A (en) Initiating element for non-primary explosive detonators
CN101825419B (en) Exploding device with multi-varying section and detonator applying same
CN109029163A (en) A kind of miniaturization insensitiveness Nonel detonator
CN102278920A (en) Non-primary explosive detonator
CN202793187U (en) Non-primary explosive detonator
CN109813188A (en) A kind of safe electronic ignition and detonation part and safe electronic ignition and detonation detonator
CN106152886A (en) Industry flying plate detonator and film flying excitation apparatus thereof
CN1010124B (en) Simple flying-piece auget without detonating agent
CN104897011B (en) A kind of non-priming hole-by-hole initiation earth&#39;s surface detonator and installation thereof and using method
US3286628A (en) Electric detonator ignition systems
CN103134396A (en) Indent detonator excitation device and detonator using it
EP3497399A1 (en) A method of and a cartridge for disarming an unexploded blasting charge in a drill hole
CN101363700A (en) Optimizing type detonation element for industrial safety detonator
US1928208A (en) Safety detonator
CN107011106A (en) A kind of overlength delay detonator
WO2000026603A1 (en) Non-primary detonators
CN114105720A (en) Non-priming-agent flame detonator containing insensitive ignition powder and Taian explosive
US3587466A (en) Relay charge with a fuse of weakened explosive power
CN204881360U (en) High temperature resistant piece detonator that flies
CA2252353C (en) Non-primary detonator
US2422043A (en) Compound detonator
US2195032A (en) Detonator
CN103090751A (en) Concave-type variable cross-section detonator excitation device and detonator using same
CN206281418U (en) Industrial flying plate detonator and its film flying excitation apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130605