EP2920134B1 - Sprengkapselempfindliche konfektionierte initiierungsladungen für sprengtechnische anwendungen und deren verwendung - Google Patents

Sprengkapselempfindliche konfektionierte initiierungsladungen für sprengtechnische anwendungen und deren verwendung Download PDF

Info

Publication number: EP2920134B1
Authority: EP; European Patent Office
Prior art keywords: detonator; sensitive; weight; initiation; initiation charge
Prior art date: 2012-11-14
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.): Active

Application number

EP13802260.3A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2920134A2 (de

Inventor

Jürgen Klunker

Konrad Ziegler

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.)

Est Energetics GmbH

Original Assignee

Est Energetics GmbH

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.)

2012-11-14

Filing date

2013-11-12

Publication date

2017-02-01

2013-11-12 Application filed by Est Energetics GmbH filed Critical Est Energetics GmbH

2013-11-12 Priority to PL13802260T priority Critical patent/PL2920134T3/pl

2013-11-12 Priority to RS20170409A priority patent/RS55867B1/sr

2013-11-12 Priority to HRP20170639TT priority patent/HRP20170639T1/hr

2013-11-12 Priority to SI201330613T priority patent/SI2920134T1/sl

2015-09-23 Publication of EP2920134A2 publication Critical patent/EP2920134A2/de

2017-02-01 Application granted granted Critical

2017-02-01 Publication of EP2920134B1 publication Critical patent/EP2920134B1/de

Status Active legal-status Critical Current

2033-11-12 Anticipated expiration legal-status Critical

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B23/00—Compositions characterised by non-explosive or non-thermic constituents
- C06B23/002—Sensitisers or density reducing agents, foam stabilisers, crystal habit modifiers
- C06B23/003—Porous or hollow inert particles
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/34—Compositions containing a nitrated organic compound the compound being a nitrated acyclic, alicyclic or heterocyclic amine
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/36—Compositions containing a nitrated organic compound the compound being a nitroparaffin
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C7/00—Non-electric detonators; Blasting caps; Primers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques

Definitions

the invention relates to detonator sensitive prefabricated initiation charges for blasting applications.
ANFO American Type Fuel Oil, trade name, for example, ANDEX
ANDEX Ammonium Nitrate Fuel Oil
initial explosives need for safe ignition so-called initial explosives, if not sufficient, in addition to in connection with detonator sensitive ready-made initiation charges (booster, booster charges or primer).
Initial explosives are found in commercial detonators. Initial explosives are characterized by high sensitivity to friction, shock, impact and heating. Bang Mercury is z. B. already brought by heating to 160 ° C (fuse) or by a falling from 4 cm height 2 kg monkey detonation. The initial detonation with detonators was invented in 1862 by Alfred Nobel.
Important initial explosives are explosive mercury (mercury fulminate), lead azide, silver azide, silver acetylide, pop silver (silver fulminate), diazodinitrophenol, lead picrate (trinitrophenol lead), lead stypyrate (lead purifier resorcinate), tetracene, nickel hydrazine nitrate (NHN), hexamethylene triperoxide diamine (HMTD), acetone peroxide (DADP, TATP or APEX ), 3-nitrobenzenediazonium perchlorate, mercury azides, tetraamine copper (II) chlorate (TACC) and copper acetylide.
detonator sensitive preformed initiation charges also as an initial amplification detonator or IV detonator
cylindrical cylindrical explosive devices made of tetryl, trotyl, phlegmatized (reducing sensitivity) hexogen, nitropenta, picric acid, and other explosives. All these substances have in common that they have a greater sensitivity to the initial impulse than the explosive of the main charge (eg ANFO, cast TNT, powdery explosives).
gelatinatorm explosives are used to initiate the main charge of powdered explosives or emulsion explosives.
the mass and shape of the IV detonator are calculated in such a way that the detonation produces a pulse which ensures the triggering of the main charge detonation and the desired detonation behavior.
the initiation of the IV detonator is triggered by a detonator, an electro detonator or a non-igniter (non-igniter).
IV detonators A problem with the previously used IV detonators is that they either consist of long-term military explosives that are no longer available (TNT pressed, Composition B cast, etc.) or classic impact cartridges made of gelatinous explosive (dynamite successor based on blasting oil), which causes long-term problems becomes.
TNT pressed, Composition B cast, etc. classic impact cartridges made of gelatinous explosive (dynamite successor based on blasting oil)
the US 3 902 933 A discloses an initial burst charge for the detonation of nitromethane.
the initial explosive charge is formed by a polyurethane foam which contains dispersed microspheres.
microspheres may be hollow glass microspheres, resin beads, ceramic beads, etc.
the disclosure US 4 334 476 A an initial explosive charge for granular or liquid explosives having an internal channel for receiving the igniter, the internal channel having a small wall thickness to enhance the detonation. This ensures a separation of liquid explosive and igniter.
the document US 3 338 165 A discloses a detonating cord filled with a stabilized sensitized explosive mixture of nitromethane and a voiding agent.
the void-forming agent are preferably resin beads, which have a particle size of 2 to 360 microns and are added to the nitromethane in an amount of 0.1 to 20%.
the explosive mixture is used in detonators.
the document US Pat. No. 6,405,627 B1 discloses a kit for producing explosive mixtures for blasting land mines.
the kit contains a first container with a nitroparaffin, for example nitromethane, and a second container with a Sensitiv istsmaterial containing, for example, a mixture of fumed silica and glass microspheres.
the object of the invention is to provide an IV detonator, which is safe to use, inexpensive and safe to produce and also safe to handle sanitary.
a detonator sensitive prefabricated An initiating charge which comprises a mixture comprising nitromethane and a void-forming agent, wherein the void-forming agent is formed as a microglass hemisphere, and Aerosil, and also a receptacle for an ignition device.
nitroalkanes are suitable for use in detonator-sensitive initiation charges.
Nitroalkanes can be activated chemically, eg by addition of amine and / or mechanically by the creation of small cavities or gas-filled cavities (foaming), ie they become sensitive to detonator capsules and behave like explosive explosives. In order to keep the voiding agents in even distribution, the addition of a thixotropic agent is indicated. Such mixtures were in the US 3713915 disclosed.
the nitroalkane is nitromethane.
nitromethane mixtures are known, which were produced with commercially available glass micro balloons (GMB) and which are more than 6000 m / s detonated and capsule-sensitive ( Presles et al. Shock Waves, April 1995, Volume 4, Issue 6, pp. 325-329 ).
the explosive capsule-sensitive initiation charge is formed of a liquid-impermeable material. This avoids leakage of the nitroalkane.
the detonator-sensitive initiation charge has a concave curvature which is arranged on the opposite side of the receptacle for the ignition device.
a concave curvature is understood to mean a conical or hemispherical curvature in the direction of the center of the initiating charge. Due to the concave curvature, the effect of a hollow charge is achieved, whereby an increased detonation speed is achieved. The curvature amplifies the energy released by the detonation in this direction. Therefore, the initiating charge with the concave curvature becomes toward the main charge used. Due to the advantageous embodiment with concave curvature, the effectiveness of the initiating charge according to the invention is again increased significantly.
the concave curvature has a metallic coating.
the metallic coating can be made of aluminum and can be arranged on the surface of the concave curvature by means of spraying, steaming or as a metallic foil.
the metallic coating of the concave curvature causes a reinforcing initial pulse in a predetermined direction.
the concave curvature with metallic coating is of particular importance for achieving a high chemical reaction rate at which the conversion process comes very close to the theoretical value.
the pollutant content in the borehole loading columns is significantly mitigated in the commercial explosives to be stimulated.
the ignition device is a detonator, detonating cord or a non-electric detonator.
the detonator-sensitive initiation charge has a suitable wall thickness. This ensures a secure ignition transfer from the capsule or string to the nitroalkane mixture.
the wall thickness is dependent on the material of the wall and the mixture used.
the cavity-forming means is designed as a microglass hollow sphere (GMB).
the cavity-forming agent is designed as a microglass hollow sphere (GMB) having a particle size of 20-200 ⁇ m, preferably 40-150 ⁇ m, particularly preferably 80-120 ⁇ m.
GBM microglass hollow sphere
the void-forming agent designed as a microglass hollow sphere (GMB) with a grain size of substantially 100 microns.
the mixture comprises Aerosil.
Aerosil is meant here a fumed silica.
the mixture comprises 1.5-10% by weight, preferably 3-8% by weight, particularly preferably 5-7% by weight of Aerosil, 0.2-10% by weight, preferably 0.5-5 wt.%, More preferably 0.8-2 wt.% Of hollow glass microballoon (GMB) and 85-98.3 wt.%, Preferably 89-95, particularly preferably 91-93 wt. Nitromethane on.
the mixture comprises 6.5% by weight of Aerosil, 1% by weight of hollow glass microbeads (GMB) having a particle size of essentially 100 ⁇ m and 92.5% by weight of nitromethane.
GBM hollow glass microbeads
the mixture further comprises at least one oxygen-containing compound selected from the group of nitrates for increasing the oxygen balance.
the oxygen-containing compound is ammonium nitrate.
the invention also provides the use of the explosive capsule-sensitive initiating charge according to the invention.
the detonator-sensitive initiation charges of the invention are used to initiate non-capsule-sensitive commercial explosives, preferably in wellbores above and below ground, to initiate larger booster charges and to use them directly for special blasting operations (avalanches, ice, etc.).
the detonator-sensitive initiation charges of the present invention are used to initiate explosives in mining applications and in tunneling.
nitromethane is not a classic explosive, which makes transport and storage convenient, and it has Storage Class 3 (Flammable Liquids).
nitromethane has a low toxicity: LD50 oral rat: 940 mg / kg, WGK 2.
the detonator-sensitive initiation charges according to the invention are absolutely waterproof and temperature-resistant. There is no exudation of the liquids. As a result, the explosive capsule-sensitive initiating charges according to the invention in the mixture with Aerosil and GMBs are storable virtually unlimited, since no chemical reactions of the mixture components occur.
the preparation of the detonator-sensitive initiation charges according to the invention does not require any hazardous melting processes.
after mixing the components no long waiting time is necessary, which is why the production can be easily in a simple manner under security (separated from people) to make automated.
the components contained in the mixture are not explosives, which requires only low storage and transport costs power.
pure ammonium nitrate and ANFO in each case with 13 g of the composition according to the invention in a cylindrical initial charge
ANFO in each case with 13 g of the composition according to the invention in a cylindrical initial charge
Detonation velocity of about 4500 m / s were measured, which show a sufficient suitability of the mixture for the initiation of non-capsule-sensitive commercial explosives, for the initiation of larger booster charges and for direct use for special blasting (avalanches, ice, etc.).

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Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Air Bags (AREA)
Details Of Connecting Devices For Male And Female Coupling (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Manufacturing Of Micro-Capsules (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Drilling And Exploitation, And Mining Machines And Methods (AREA)

EP13802260.3A 2012-11-14 2013-11-12 Sprengkapselempfindliche konfektionierte initiierungsladungen für sprengtechnische anwendungen und deren verwendung Active EP2920134B1 (de)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
PL13802260T PL2920134T3 (pl)	2012-11-14	2013-11-12	Wrażliwe na detonator, konfekcjonowane ładunki inicjujące dla zastosowań w technice strzelniczej oraz ich zastosowanie
RS20170409A RS55867B1 (sr)	2012-11-14	2013-11-12	Spremno pojačivačko eksplozivno punjenje osetljivo na aktiviranje pomoću detonatora, namenjeno primeni u miniranju kao i način njegove upotrebe
HRP20170639TT HRP20170639T1 (hr)	2012-11-14	2013-11-12	Spremno pojačivačko eksplozivno punjenje osjetljivo na aktiviranje pomoću detonatora, namijenjeno primjeni u miniranju kao i način njegove uporabe
SI201330613T SI2920134T1 (sl)	2012-11-14	2013-11-12	Na detonator občutljivi izdelani inicialni eksplozivi za razstreljevanje in njihova uporaba

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102012110955.9A DE102012110955B4 (de)	2012-11-14	2012-11-14	Sprengkapselempfindliche konfektionierte Initiierungsladungen für sprengtechnische Anwendungen und deren Verwendung
PCT/EP2013/073658 WO2014076099A2 (de)	2012-11-14	2013-11-12	Sprengkapselempfindliche konfektionierte initiierungsladungen für sprengtechnische anwendungen und deren verwendung

Publications (2)

Publication Number	Publication Date
EP2920134A2 EP2920134A2 (de)	2015-09-23
EP2920134B1 true EP2920134B1 (de)	2017-02-01

Family

ID=49726701

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13802260.3A Active EP2920134B1 (de)	2012-11-14	2013-11-12	Sprengkapselempfindliche konfektionierte initiierungsladungen für sprengtechnische anwendungen und deren verwendung

Country Status (14)

Country	Link
US (2)	US10227266B2 (da)
EP (1)	EP2920134B1 (da)
AU (1)	AU2013346947B2 (da)
DE (1)	DE102012110955B4 (da)
DK (1)	DK2920134T3 (da)
ES (1)	ES2624300T3 (da)
HR (1)	HRP20170639T1 (da)
HU (1)	HUE032763T2 (da)
LT (1)	LT2920134T (da)
PL (1)	PL2920134T3 (da)
PT (1)	PT2920134T (da)
RS (1)	RS55867B1 (da)
SI (1)	SI2920134T1 (da)
WO (1)	WO2014076099A2 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20190085836A (ko)	2018-10-23	2019-07-19	권문종	기폭용 라이너를 이용한 발파공법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3338165A (en)	1966-08-11	1967-08-29	Commercial Solvents Corp	Gelled nitromethane explosive containing fluid encapsulations
US3475236A (en) *	1968-04-17	1969-10-28	Seispower Corp	Non-aqueous cap-sensitive explosive containing gelled nitromethane and inorganic nitrate oxidizer salt
OA03866A (fr)	1970-10-08	1971-12-24	Kinetics Int Corp	Composition explosive, procédé pour l'activation et la mise à feu d'un explosif et enveloppe pour l'explosif.
US3713915A (en)	1970-11-23	1973-01-30	Amoco Prod Co	Thickened nitromethane explosive containing encapsulated sensitizer
JPS5328453B1 (da) *	1971-05-22	1978-08-15
US3797392A (en) *	1973-02-12	1974-03-19	R Eckels	Reversible sensitization of liquid explosives
US3902933A (en) *	1973-02-20	1975-09-02	Commercial Solvents Corp	Primer composition of nitromethane, polymeric foam, and hollow spheres
US3926119A (en) *	1974-01-28	1975-12-16	Tyler Holding Company	Explosive device
JPS5585498A (en) *	1978-12-25	1980-06-27	Boeicho Gijutsu Kenkyu Honbuch	Liquid or gell explosive
US4334476A (en) *	1980-07-02	1982-06-15	Mining Services International Corporation	Primer cup
SE456528B (sv) *	1986-02-17	1988-10-10	Nobel Kemi Ab	Tendare
US5970841A (en)	1997-04-01	1999-10-26	Trocino; Joseph L.	Humanitarian demining device
US6007648A (en) *	1998-02-23	1999-12-28	The United States Of America As Represented By The Secretary Of The Army	Liquid explosive composition
CA2288515C (en)	1999-03-08	2007-10-23	Mrel Group Of Companies Limited	A simple kit and method for humanitarian demining operations and explosive ordnance disposal
US6960267B1 (en) *	2003-06-26	2005-11-01	Nixon Iii William P	Multi-component liquid explosive composition and method

2012
- 2012-11-14 DE DE102012110955.9A patent/DE102012110955B4/de active Active
2013
- 2013-11-12 DK DK13802260.3T patent/DK2920134T3/da active
- 2013-11-12 EP EP13802260.3A patent/EP2920134B1/de active Active
- 2013-11-12 PT PT138022603T patent/PT2920134T/pt unknown
- 2013-11-12 HU HUE13802260A patent/HUE032763T2/hu unknown
- 2013-11-12 LT LTEP13802260.3T patent/LT2920134T/lt unknown
- 2013-11-12 RS RS20170409A patent/RS55867B1/sr unknown
- 2013-11-12 AU AU2013346947A patent/AU2013346947B2/en active Active
- 2013-11-12 WO PCT/EP2013/073658 patent/WO2014076099A2/de not_active Ceased
- 2013-11-12 PL PL13802260T patent/PL2920134T3/pl unknown
- 2013-11-12 ES ES13802260.3T patent/ES2624300T3/es active Active
- 2013-11-12 US US14/442,197 patent/US10227266B2/en active Active
- 2013-11-12 HR HRP20170639TT patent/HRP20170639T1/hr unknown
- 2013-11-12 SI SI201330613T patent/SI2920134T1/sl unknown
2019
- 2019-03-11 US US16/298,502 patent/US20190210937A1/en not_active Abandoned

Also Published As

Publication number	Publication date
US20160052835A1 (en)	2016-02-25
AU2013346947A1 (en)	2017-04-27
DE102012110955A8 (de)	2014-09-11
AU2013346947B2 (en)	2017-06-15
PL2920134T3 (pl)	2017-08-31
PT2920134T (pt)	2017-05-12
HRP20170639T1 (hr)	2017-08-11
DK2920134T3 (da)	2017-05-01
HUE032763T2 (hu)	2017-10-30
DE102012110955B4 (de)	2016-12-15
US20190210937A1 (en)	2019-07-11
LT2920134T (lt)	2017-07-25
WO2014076099A3 (de)	2014-07-31
RS55867B1 (sr)	2017-08-31
ES2624300T3 (es)	2017-07-13
SI2920134T1 (sl)	2017-08-31
EP2920134A2 (de)	2015-09-23
DE102012110955A1 (de)	2014-05-15
US10227266B2 (en)	2019-03-12
WO2014076099A2 (de)	2014-05-22

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