EP2044386B1 - Pyrotechnische vorrichtung zum zerstören von munition - Google Patents

Pyrotechnische vorrichtung zum zerstören von munition Download PDF

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Publication number
EP2044386B1
EP2044386B1 EP07787778A EP07787778A EP2044386B1 EP 2044386 B1 EP2044386 B1 EP 2044386B1 EP 07787778 A EP07787778 A EP 07787778A EP 07787778 A EP07787778 A EP 07787778A EP 2044386 B1 EP2044386 B1 EP 2044386B1
Authority
EP
European Patent Office
Prior art keywords
cords
explosive
ammunition
ignition
pyrotechnic device
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.)
Expired - Fee Related
Application number
EP07787778A
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English (en)
French (fr)
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EP2044386A1 (de
Inventor
Martine Lesage
Gilles Boucheron
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.)
TDA Armements SAS
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TDA Armements SAS
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Filing date
Publication date
Application filed by TDA Armements SAS filed Critical TDA Armements SAS
Publication of EP2044386A1 publication Critical patent/EP2044386A1/de
Application granted granted Critical
Publication of EP2044386B1 publication Critical patent/EP2044386B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
    • F42B33/067—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless

Definitions

  • the invention relates to a pyrotechnic device for the controlled destruction of ammunition or objects containing pyrotechnic and / or chemical substances.
  • a pyrotechnic device for the controlled destruction of ammunition or objects containing pyrotechnic and / or chemical substances.
  • Such a device is known to US-6220166-B1 .
  • a chemical munition usually has a munition body (or envelope) having metal walls.
  • the inside of the ammunition body contains one or more chemical products and a burst pyrotechnic charge whose role is to open its body and spread the chemicals in the atmosphere.
  • the toxic chemical agents of some ammunition are among those known as "combat gas" and their action is irritating, suffocating, vesicant, hemotoxic or neurotoxic.
  • the ammunition can be in good condition or, more or less damaged according to their age of manufacture and their storage conditions. We seek to destroy these munitions in the best safety conditions for personnel and materials involved in the destruction and with the greatest efficiency of destruction of the chemicals contained in the ammunition.
  • Ammunition can be destroyed by various mechanical, chemical, thermal, pyrotechnic, or other processes.
  • the state-of-the-art ammunition destruction devices need the reaction of the pyrotechnic and / or chemical substances internal to the munition or the object to be destroyed in order to allow a significant opening of the munitions. their body or their envelope. They have limited effectiveness in the destruction of non-explosive chemicals, except for plastic loaves and explosives surrounding the munition.
  • the current destruction processes generate more or less intense environmental effects (shocks, blast, pollution, heat and splinters), depending on the architecture and the explosive of the donor charge, and the reaction of the munition. or the object to be destroyed.
  • the destruction device claimed in this patent, makes it possible to overcome the various disadvantages of the most commonly used destruction methods.
  • the invention proposes a pyrotechnic device for destroying ammunition with an explosive at least partially surrounding the munition containing confinement walls of active products, characterized in that it comprises controlled ignition means for the explosive, said means being configured to produce a detonation wave coupling of the explosive at the walls of the munition in at least two lines of aperture said walls of the munition.
  • Active products are pyrotechnic, chemical or other substances that may be contained in the munition.
  • the controlled ignition means comprise at least two pyrotechnic initiation strings of the explosive, each of the strands comprising a start-start end Ed and an end-of-initiation end Ef, the start-start ends. cords being connected by at least one firing means.
  • An initiation of the initiation cords causes a propagation of the initiation of the cords from their start of initiation end to their other end end of priming with a predetermined propagation speed.
  • the controlled priming means comprise two strings of priming, in contact or near the explosive to initiate the explosion, on either side of the axis XX 'of the munition and aligned along an opening line of the walls of the ammunition.
  • the controlled priming means comprise two pairs P1, P2 of boot cords.
  • the firing means comprise, for example, an initiation detonator of the initiation cords by their start initiation ends Ed to cause the controlled detonation of the explosive according to the opening lines of the ammunition.
  • a main objective of the destruction device according to the invention consists in obtaining a controlled opening of the walls of the munition, or objects, without counting on the reaction of the internal substances of the munition.
  • Another objective is the control of the fragmentation of the body of the munition and thus reduce the effects of splinters emitted on the external environment to the destruction device.
  • Another objective is the destruction of the pyrotechnic and / or chemical substances of the munition.
  • FIGS 1a and 1b show an embodiment of an ammunition destruction device according to the invention.
  • the figure 1a shows a bottom view according to AA 'of the device of the figure 1b having a chemical munition 10 to be destroyed and the figure 1b a sectional view along BB 'of the device of the figure 1a .
  • the chemical munition 10 comprises, in this example, a cylindrical metal wall 12 containing a chemical product 14 and a burst pyrotechnic charge 16.
  • the initiation cords C11, C12, C21, C22 each have a start-start end Ed and an end-of-ignition end Ef and are configured in the device so that the leads C11, C21 of the pair P1 and that the cords C12, C22 of the P2 pair are separated by a predetermined angular distance ⁇ .
  • the angular distance ⁇ between the cords of the two pairs P1, P2 and the thickness Ep of explosive 36 are predetermined so as to obtain localized overpressures by detonation wave coupling of the explosive at the walls 12 of the ammunition strong enough to break said wall.
  • the cords C11, C12, C21, C22 are in this embodiment substantially parallel to the generatrix of the cylindrical inner walls 32 of the cylindrical container 30.
  • the cylindrical container 30 further comprises an initiation detonator 40 connected to the start initiation ends Ed of the initiation cords C11, C12, C21, C22.
  • the initiation detonator 40 (see Figure 1 (b) is fired producing simultaneous firing at a time t at the four firing cords C11, C12, C21, C22.
  • the initiation of the cords by its respective start initiation ends Ed propagates to the ends of end of initiation Ef with a propagation speed related to the characteristics of the cords.
  • the initiation of the cords produces the detonation of the explosive 36 propagating along lines of propagation corresponding to the lines of the cords parallel to the axis XX 'of the ammunition.
  • the figure 2 shows an enlarged view along AA 'of the figure 1 b showing the coupling of the pressure waves Op of the detonation at the wall 12 of the munition, in a plane Pam perpendicular to the axis of propagation of the explosion.
  • the simultaneous detonation of the explosive at the four initiation cords C11, C12, C21, C22 in the plane Pam perpendicular to the propagation axis of the detonation produces Mach wave-type encounters converging in zones M1, M2, then convergent wave encounters in zones M3 and M4 of the walls 12 of the munition.
  • the figure 3 shows, after explosion, the wall 12 of the ammunition of the figure 1b open in four portions Pr1, Pr2, Pr3 and Pr4 whose edges correspond to the four lines of breaks created by the explosion controlled by the cords.
  • the explosion produces, in addition, according to another important feature of the invention, the destruction of the chemical and pyrotechnic products contained in the munition.
  • the explosive may be based on aluminum producing during its detonation a fireball of long duration whose role is the destruction of chemicals in particular contained in the munition which is opened by the controlled explosion.
  • the thickness Ep of the explosive explosive type water-in-oil emulsion is of the order of 20 millimeters.
  • the cylindrical container is PVC or cardboard.
  • the initiation velocity of the priming cords is of the order of 7000 m / s and that of the explosive is of the order of 5500 m / s.
  • the angle ⁇ between the cords C11 and C22 and between the cords C12 and C21 is between 35 ° and 45 °.
  • FIGS. 4a and 4b show an alternative embodiment of the device for destroying a munition 50 according to the invention comprising a container 51 of parallelepiped shape.
  • the munition 50 comprises a cylindrical metal wall 52 along the axis XX 'comprising a chemical product 54.
  • the container 51 is a box of rectangular section, for example of wood, cardboard or plastic (or any material generating little shards), comprising an explosive 56 surrounding the munition to destroy and filling the box.
  • the device comprises the two strings C11 and C12 for priming the explosive 56 on either side of the munition 50 in a plane D1 passing through the axis XX 'and near two opposite inner walls 60, 62 of the box.
  • the overpressure waves occur in zones M5, M6 along lines of the wall 52 of the munition 50 in a plane P1 perpendicular to the plane D1 of the ignition cords C11, C12.
  • the figure 5 shows a variant of the realization of the figure 4a , having a starting device comprising the two pairs P1, P2 of cords (realization of the Figure 1 (b) .
  • the figure 6 shows a more economical variant of the realization of the figure 5 having the two pairs P1, P2 of initiation cords.
  • an explosive 70 partially fills the box 51 partially surrounding the ammunition.
  • the ignition cords of the explosive surrounding the munition to open can follow lines of different non-rectilinear shapes. For example lines wrapping around the wall of the munition, from one end to the other of the ammunition, so as to obtain a helically shaped opening.
  • the pyrotechnic destruction device makes it possible to control the fragmentation of the body of the munition or of the envelope of the object to be destroyed and consequently the effects of the fragments emitted on the external environment.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Air Bags (AREA)
  • Automotive Seat Belt Assembly (AREA)

Claims (14)

  1. Pyrotechnische Vorrichtung zum Zerstören von Munition (10, 50) mit einem Sprengstoff (36, 56, 70), der die Munition, die Wände (12, 52) zum Einschließen von aktiven Produkten aufweist, wenigstens teilweise umgibt,
    dadurch gekennzeichnet, dass sie gesteuerte Sprengstoffauslösemittel (40, C11, C12, C21, C22) umfasst, wobei diese Mittel so konfiguriert sind, dass sie eine Sprengstoffdetonationswellenkopplung an den Wänden der Munition gemäß wenigstens zwei Öffnungslinien der Wände der Munition erzeugen.
  2. Pyrotechnische Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die gesteuerten Auslösemittel wenigstens zwei pyrotechnische Zündschnüre (C11, C12) zum Zünden des Sprengstoffs (36, 56, 70) umfassen, wobei jede der Schnüre ein Auslöseanfangs-Ende Ed und ein Auslöseende-Ende Ef hat, wobei die Auslöseanfangs-Enden der Schnüre mit wenigstens einem Zündmittel (40) verbunden sind.
  3. Pyrotechnische Vorrichtung nach Anspruch 1 oder 2 zum Zerstören von Munition mit einer Form, die sich einem Zylinder mit einer Umdrehungsachse XX' nähert, oder von Objekten, die mit einer Umhüllung einer ganz anderen Form versehen sind, dadurch gekennzeichnet, dass die gesteuerten Auslösemittel zwei Zündschnüre (C11, C12) in Kontakt mit dem oder in der Nähe des Sprengstoffs zum Einleiten der Explosion auf beiden Seiten der Achse XX' der Munition und mit einer Öffnungslinie der Wände der Munition fluchtend umfassen.
  4. Pyrotechnische Vorrichtung nach Anspruch 1 oder 2 zum Zerstören von Munition mit einer Form, die sich einem Zylinder mit einer Drehachse XX' nähert, oder von Objekten, die mit einer Umhüllung mit irgendeiner anderen Form versehen sind, dadurch gekennzeichnet, dass die gesteuerten Auslösemittel zwei Paare P1, P2 von Zündschnüren (C11, C12) (C12, C22) umfassen.
  5. Pyrotechnische Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Zündmittel einen Detonator (40) zum Auslösen der pyrotechnischen Zündschnüre an ihren Auslöseanfangs-Enden Ed umfassen, um eine kontrollierte Detonation des Sprengstoffs gemäß der Öffnungslinie der Munition hervorzurufen.
  6. Pyrotechnische Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass sie Folgendes umfasst:
    - einen zylindrischen Behälter (30, 51) mit Innenwänden (32, 60, 62), die ein Volumen begrenzen, das die Geberladung (36) (Sprengstoff) enthält, wobei sich der Sprengstoff (36, 56, 70) zwischen den Innenwänden (32) des Behälters und der zu zerstörenden Munition (10, 50) befindet;
    - zwei Paare P1, P2 von Zündschnüren C11, C21 für das erste Paar P1 und C12, C22 für das zweite Paar P2 zwischen den Innenwänden (32, 60, 62) des zylindrischen Behälters (30, 51) und dem Sprengstoff (36, 56, 70) oder in dem Behälter.
  7. Pyrotechnische Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Zündschnüre C11, C12, C21, C22 so konfiguriert sind, dass die Schnüre C11, C21 des Paares P1 und die Schnüre C12, C22 des Paares P2 um einen vorbestimmten Winkelabstand α voneinander getrennt sind.
  8. Pyrotechnische Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Winkelabstand α zwischen den Schnüren der beiden Paare P1, P2 und die Dicke Ep des Sprengstoffs (36) so vorbestimmt sind, dass örtlich begrenzte Überdrücke durch eine Detonationswellenkopplung des Sprengstoffs (36, 56, 70) an den Wänden (12) der Munition erhalten werden.
  9. Pyrotechnische Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die gleichzeitige Detonation des Sprengstoffs an den vier Zündschnüren C11, C12, C21, C22 in einer Ebene Pam lotrecht zur Ausbreitungsachse resultierend aus dem Aufeinandertreffen von Wellen des Mach-Wellentyps, die in den Zonen M1, M2 konvergieren, dann aus dem Aufeinandertreffen von Wellen, die in den Zonen M3 und M4 der Wände 12 der Munition konvergieren, in der Konvergenzzone M1 an der Wand 12 zwischen den Schnüren C11 und C22, der Konvergenzzone M2 zwischen den Schnüren C12 und C21, der Konvergenzzone M3 zwischen den Schnüren C11 und C21 und der Konvergenzzone M4 zwischen den Schnüren C12 und C22.
  10. Pyrotechnische Vorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Winkel α zwischen den Schnüren zwischen 35° und 45° beträgt.
  11. Pyrotechnische Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sie einen Kasten (51) mit rechteckigem Querschnitt umfasst, der einen Sprengstoff (56) enthält, der die zu zerstörende Munition umgibt und den Kasten füllt, und dadurch, dass er zwei Schnüre C11 und C12 zum Zünden des Sprengstoffs (56) auf beiden Seiten der Munition (50) in einer Ebene D1 umfasst, die durch die Achse XX' und in der Nähe der beiden gegenüberliegenden Innenwände (60, 62) des Kastens verläuft.
  12. Pyrotechnische Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass ein Sprengstoff (70) den Kasten (51) teilweise füllt, der die Munition teilweise umgibt.
  13. Pyrotechnische Vorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die die zu öffnende Munition umgebenden Sprengstoffzündschnüre den Linien verschiedener nicht geradliniger Formen folgen können.
  14. Pyrotechnische Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die Linien um die Wand der Munition herum von einem Ende der Munition zum anderen verlaufen, um eine spiralförmige Öffnung zu erzielen.
EP07787778A 2006-07-21 2007-07-20 Pyrotechnische vorrichtung zum zerstören von munition Expired - Fee Related EP2044386B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0606696A FR2904105B1 (fr) 2006-07-21 2006-07-21 Dispositif pyrotechnique de destruction de munitions
PCT/EP2007/057529 WO2008009745A1 (fr) 2006-07-21 2007-07-20 Dispositif pyrotechnique de destruction de munitions

Publications (2)

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EP2044386A1 EP2044386A1 (de) 2009-04-08
EP2044386B1 true EP2044386B1 (de) 2010-04-21

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US (1) US8387503B2 (de)
EP (1) EP2044386B1 (de)
JP (1) JP5584924B2 (de)
DE (1) DE602007006020D1 (de)
FR (1) FR2904105B1 (de)
WO (1) WO2008009745A1 (de)

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JP5095659B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法および爆破処理装置
JP5095661B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法および爆破処理装置
JP5095657B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法及び爆破処理装置
JP5095658B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法及び爆破処理装置
JP5095660B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法および爆破処理装置
JP5095656B2 (ja) * 2009-03-31 2012-12-12 株式会社神戸製鋼所 爆破処理方法および爆破処理装置
CN101825418B (zh) * 2010-04-29 2013-02-20 中国石油化工集团公司 废旧雷管安全销毁装置
JP5291073B2 (ja) * 2010-10-13 2013-09-18 株式会社神戸製鋼所 爆破処理方法および爆破処理装置
CN102062567B (zh) * 2010-10-30 2013-09-04 山西北方惠丰机电有限公司 一种拆卸雷管部件的辅助装置
JP5781450B2 (ja) * 2012-02-06 2015-09-24 株式会社神戸製鋼所 爆破処理方法
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Also Published As

Publication number Publication date
DE602007006020D1 (de) 2010-06-02
JP2009544924A (ja) 2009-12-17
JP5584924B2 (ja) 2014-09-10
WO2008009745A1 (fr) 2008-01-24
FR2904105A1 (fr) 2008-01-25
FR2904105B1 (fr) 2008-08-29
EP2044386A1 (de) 2009-04-08
US20090308235A1 (en) 2009-12-17
US8387503B2 (en) 2013-03-05

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