EP1007159A1 - Dispositif et procede pyrotechnique d'extinction d'incendie - Google Patents

Dispositif et procede pyrotechnique d'extinction d'incendie

Info

Publication number
EP1007159A1
EP1007159A1 EP97950055A EP97950055A EP1007159A1 EP 1007159 A1 EP1007159 A1 EP 1007159A1 EP 97950055 A EP97950055 A EP 97950055A EP 97950055 A EP97950055 A EP 97950055A EP 1007159 A1 EP1007159 A1 EP 1007159A1
Authority
EP
European Patent Office
Prior art keywords
hose
extinguishing agent
explosive
diameter
danger point
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.)
Granted
Application number
EP97950055A
Other languages
German (de)
English (en)
Other versions
EP1007159B1 (fr
Inventor
Volker SCHÜTTE
Ernst Werner Wagner
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.)
Wagner Alarm- und Sicherungssysteme GmbH
Original Assignee
Wagner Alarm- und Sicherungssysteme 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.)
Filing date
Publication date
Application filed by Wagner Alarm- und Sicherungssysteme GmbH filed Critical Wagner Alarm- und Sicherungssysteme GmbH
Publication of EP1007159A1 publication Critical patent/EP1007159A1/fr
Application granted granted Critical
Publication of EP1007159B1 publication Critical patent/EP1007159B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
    • A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/08—Containers destroyed or opened by bursting charge

Definitions

  • the present invention relates to a device for extinguishing fires, with two flexible hoses arranged next to one another and transversely to the direction of the threat, closable at both ends for receiving extinguishing agent, and with one explosive in or on the hoses, each of which generates a pulse by ignition and the extinguishing agent is atomized into a mist and set on fire.
  • the invention further relates to a method for extinguishing fires with the described device.
  • Compression shock runs which gives it an enormous impulse, atomizes it into the finest particles and throws it symmetrically from the center of the explosive charge into the environment.
  • the advantage of atomizing a preferably aqueous extinguishing agent is the very large effective extinguishing agent surface in relation to the amount of extinguishing agent used.
  • the device for extinguishing fires of the type mentioned at the outset is designed in such a way that the pulse of the first hose facing away from the danger point is greater than the pulse of the second hose facing the danger point.
  • the impulse of a body is known to mean the product of its mass and its speed. Density also refers to the ratio of the mass of a body to its volume. Thus the momentum which is given to the extinguishing agent by the explosion depends on the volume and the
  • Density of the extinguishing agent and the size of the explosive charge which ensures the speed of the extinguishing agent particles.
  • the alignment of the extinguishing agent ejection towards the danger point and the desired throwing characteristic is thus achieved in that the product of the mass and the speed of the extinguishing agent of the first explosive hose, which is viewed behind the second explosive hose from the danger point, gives a greater impulse to the extinguishing agent of the emits second hose when it has received its own explosive charge, which as a result leads to a deflection of the main mass of the extinguishing agent in the direction of the threat by impulse superimposition.
  • the object on which the invention is based is further achieved by a method which is adapted to the device according to the invention and in which it is essential that the disintegrants of the first and the second hose are ignited simultaneously in order to achieve the impulse superimposition described above.
  • both the device according to the invention and the method have a number of advantages which significantly increase the effectiveness in extinguishing fires.
  • the extinguishing agent is disadvantageously released symmetrically on both sides of the explosive hose (s) and, moreover, the horizontal lobes of the extinguishing agent are arranged so flat above the surface of the ground that the effectiveness of the extinguishing agent used is very unsatisfactory.
  • the extinguishing agent is discharged asymmetrically in the direction of the danger point and at an optimal angle to the floor surface, so that an optimal distribution and throwing distance of the extinguishing agent is achieved. Furthermore, by choosing a larger and a smaller explosive hose, it can be achieved as a further advantage that the amount of extinguishing agent not delivered in the direction of the danger point is kept low.
  • a first development of the device according to the invention provides that the pulse I 1 emanating from the first hose is at least approximately twice as large as that from the second
  • the pulse delivered to the extinguishing agent by the detonation of the explosive charge in relation to the present invention is essentially a function of the diameter of the hose in which the extinguishing agent is contained, the density p of the extinguishing agent, and finally the size of the explosive charge, expressed by the amount of explosive q. Since, for example, detonating cords, such as are preferably used in the present case, are only available in Germany in commercially available sizes of twelve, twenty, forty or one hundred g / m, the need to optimize the use of extinguishing agents, the diameter of the hoses used, the size of the Match the explosive charge and the type of extinguishing agent used.
  • the extinguishing agent can consist, for example, of pure water with the known density 1, or of a pre-expanded extinguishing agent with a significantly lower density.
  • the second hose facing the danger point preferably has a larger diameter than the first hose facing away from the danger point.
  • This training has the background that the second hose, which is closer to the potential or existing source of fire, mainly acts as an extinguishing agent supplier, while the other (first) hose essentially acts as a pulse generator.
  • the second hose facing the danger point which primarily acts as a supplier of extinguishing agent, is provided with a smaller detonating cord, which essentially has only the task of simultaneously detonating the second detonating hose the detonating cord of the first hose.
  • a further development of the invention provides that the amount of explosive of the first hose is greater than the amount of explosive of the second hose.
  • the first extinguishing agent in the first hose is particularly preferably water
  • the second extinguishing agent in the second hose is a mixture of water and an extinguishing agent additive, so that the environmental impact and the costs of the extinguishing agent additive can be kept as low as possible.
  • the extinguishing agent additive can, for example, be a pure one
  • a retarder is understood to mean either salts that penetrate the pores of the burning material and therefore prevent its outgassing, or thickening gels that form a protective coating on the burning material and thus cause the fire to suffocate.
  • a method for preventive fire protection in stationary systems is preferably provided for the detonating agent to be ignited on the basis of a signal from a device for early detection of fire.
  • stationary systems is understood to mean, for example, oil or gas tanks, refineries, oil drilling or production facilities, storage rooms, airfield runways and landing strips or aircraft parking areas, without this list being exhaustive.
  • a device for early fire detection includes a sensor with which the presence of a fire parameter such as smoke or the like is detected at the earliest stage of the fire and leads to the triggering of an alarm.
  • Figure 1 is a schematic representation of the explosive pattern with a single hose according to the prior art.
  • FIG. 2 shows a schematic illustration of the explosive pattern of two adjacent explosive hoses according to the prior art
  • FIG. 3 shows a schematic illustration of two explosive hoses to explain the first exemplary embodiment according to the invention
  • Fig. 4 shows a schematic illustration of two hoses with different diameters to explain the second exemplary embodiment according to the invention
  • Fig. 5 is a schematic representation of the explosive pattern according to the second embodiment of the invention.
  • FIG. 1 and 2 show schematically the explosive pictures at
  • FIG. 3 shows a schematic illustration of two identical detonation hoses 1, 2 arranged in parallel and next to one another.
  • the hoses are filled with an extinguishing agent and closed at both ends.
  • An explosive 3, 4 in the form of a flexible detonating cord is arranged in each hose 1, 2.
  • the detonating cords are connected in a manner not shown here to an ignition device which is used to ignite the explosive charge, as a result of which the extinguishing agent is atomized into a mist and set on fire.
  • the amount of explosive q ⁇ of the first hose 1 facing away from the danger point is greater than the amount of explosive q 2 of the second hose 2 facing the danger point (in relation 3 and 4, the danger point is on the right).
  • the first hose emits a greater impulse than the second hose, which leads to the desired direction in the case of the impulse superimposition caused by the detonation of both hoses.
  • FIG. 4 shows a similar schematic illustration of two explosive hoses 1, 2 as in FIG. 3, the explosive hose 1 here having a smaller diameter than the explosive hose 2 to explain the second exemplary embodiment of the invention.
  • the hose 1 contains a first extinguishing agent in the form of pure water
  • the hose 2 contains a second extinguishing agent in the form of a pre-expanded mixture of water and an extinguishing agent additive.
  • both hoses 1, 2 are each equipped with a flexible detonating cord 3, 4, which extend through the entire length of the detonating hoses 1, 2.
  • an extinguishing agent ejection focused on the danger point is achieved if the hose 1 is the one that faces away from the danger point and the hose 2 is the one that faces the danger point.
  • the first hose 1 facing away from the danger point has a smaller diameter than the second hose 2 facing the danger point.
  • the hose 1 is equipped with a significantly larger explosive charge.
  • the result in the explosive pattern is a greatly enlarged extinguishing agent lobe 8 directed to the right against the threat direction 5, which is generated by a pulse overlay of the extinguishing agent thrown out of the two explosive hoses 1, 2.
  • the extinguishing agent lobe 8 is a mixture of the vertical lobe 6 and the pure horizontal lobe 8 according to FIG.
  • the tubes 1, 2 are each equipped with a flexible detonating cord 3, 4 and each filled with an extinguishing agent and closed at their ends.
  • the detonating cords 3, 4 are connected to an ignition device in a manner not shown here.
  • the detonation of the detonating cords 3, 4 atomizes the extinguishing agents contained in the hoses 1, 2 into a mist and sets them on fire.

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Public Health (AREA)
  • Forests & Forestry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Lubricants (AREA)

Abstract

La présente invention porte sur un dispositif et un procédé pyrotechnique d'extinction d'incendie, notamment en cas d'incendie de forêt ou d'incendie en nappe. Le dispositif d'extinction comprend deux tuyaux (1, 2) flexibles installés côte à côte et transversalement par rapport à la direction d'où vient le danger (5) et pouvant être fermés aux deux extrémités, ainsi que, à l'intérieur de chacun de ces tuyaux ou sur chacun d'eux, un produit d'extinction (3, 4) dont la mise à feu provoque la pulvérisation en le précipitant dans l'incendie. Pour garantir un jet ciblé du produit d'extinction en direction du danger, il est prévu que l'impulsion (I1) partant du premier tuyau (1) tourné dans le sens inverse à celui d'où vient le danger, est plus forte que l'impulsion (I2) venant du tuyau orienté dans le sens d'où vient le danger. Pour les différentes sections de tuyaux (2), on calcule les quantités d'explosifs en fonction du diamètre du tuyau tourné vers le danger, compte tenu de la densité rho du produit d'extinction d'après la formule selon l'invention.
EP97950055A 1996-10-30 1997-10-30 Dispositif et procede pyrotechnique d'extinction d'incendie Expired - Lifetime EP1007159B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19643929A DE19643929C2 (de) 1996-10-30 1996-10-30 Vorrichtung und Verfahren zum Sprenglöschen von Bränden
DE19643929 1996-10-30
PCT/EP1997/006013 WO1998018524A1 (fr) 1996-10-30 1997-10-30 Dispositif et procede pyrotechnique d'extinction d'incendie

Publications (2)

Publication Number Publication Date
EP1007159A1 true EP1007159A1 (fr) 2000-06-14
EP1007159B1 EP1007159B1 (fr) 2001-07-18

Family

ID=7809680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97950055A Expired - Lifetime EP1007159B1 (fr) 1996-10-30 1997-10-30 Dispositif et procede pyrotechnique d'extinction d'incendie

Country Status (18)

Country Link
US (1) US6164382A (fr)
EP (1) EP1007159B1 (fr)
AR (1) AR010257A1 (fr)
AU (1) AU719286B2 (fr)
CA (1) CA2268976C (fr)
DE (1) DE19643929C2 (fr)
ES (1) ES2161478T3 (fr)
GR (1) GR3036888T3 (fr)
HR (1) HRP970572B1 (fr)
ID (1) ID18693A (fr)
IL (1) IL122061A0 (fr)
MY (1) MY133808A (fr)
SG (1) SG53115A1 (fr)
TR (1) TR199701267A2 (fr)
TW (1) TW368423B (fr)
WO (1) WO1998018524A1 (fr)
YU (1) YU49141B (fr)
ZA (1) ZA979677B (fr)

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RU2216368C2 (ru) * 2000-03-24 2003-11-20 Академия пожарной безопасности Украины Устройство для тушения лесных пожаров отраженными волнами направленных взрывов
ES2279891T3 (es) * 2001-09-19 2007-09-01 Kayyani C. Adiga Extincion de fuego utilizando niebla de agua con gotitas de tamaño ultrafino.
DE10206815B4 (de) * 2002-02-19 2004-02-12 Pinnig, Jörg Vorrichtung und Verfahren zum Sprenglöschen von Bränden
RU2496539C1 (ru) * 2012-05-05 2013-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский государственный университет" (ТГУ) Накладной шнуровой заряд для локализации низовых лесных и степных пожаров
US20240157180A1 (en) 2021-02-04 2024-05-16 Mighty Fire Breaker Llc Method of and kit for installing and operating a wildfire defense spraying system on a property parcel for proactively spraying environmentally-clean liquid fire inhibitor thereover to inhibit fire ignition and flame spread caused by wind-driven wildfire embers
US12594448B2 (en) 2019-06-22 2026-04-07 Mighty Fire Breaker Llc Environmentally-clean aqueous-based fire extinguishing biochemical liquid concentrates for mixing with proportioned quantities of water to produce fire extinguishing water streams
US11865390B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean water-based fire inhibiting biochemical compositions, and methods of and apparatus for applying the same to protect property against wildfire
US11865394B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean biodegradable water-based concentrates for producing fire inhibiting and fire extinguishing liquids for fighting class A and class B fires
US10653904B2 (en) 2017-12-02 2020-05-19 M-Fire Holdings, Llc Methods of suppressing wild fires raging across regions of land in the direction of prevailing winds by forming anti-fire (AF) chemical fire-breaking systems using environmentally clean anti-fire (AF) liquid spray applied using GPS-tracking techniques
US11826592B2 (en) 2018-01-09 2023-11-28 Mighty Fire Breaker Llc Process of forming strategic chemical-type wildfire breaks on ground surfaces to proactively prevent fire ignition and flame spread, and reduce the production of smoke in the presence of a wild fire
US11911643B2 (en) 2021-02-04 2024-02-27 Mighty Fire Breaker Llc Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire
US12599797B2 (en) 2020-03-01 2026-04-14 Mighty Fire Breaker Llc Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire
US12616859B2 (en) 2021-02-04 2026-05-05 Mighty Fire Breaker Llc Method of and system for defending home building projects from wildfire during and after construction on property located within a wildfire urban interface (WUI) region
AU2022376565A1 (en) * 2021-11-01 2024-06-20 Blaze Barrier, Inc. Fire suppression apparatus

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US3482637A (en) * 1967-10-20 1969-12-09 Us Interior Process and method for quenching incipient gas-air explosions
US4938293A (en) * 1987-04-29 1990-07-03 Systron Donner Corp. Linear fire extinguisher
US5115867A (en) * 1990-10-30 1992-05-26 Systron Donner, Corporation Dual linear fire extinguisher
US5088560A (en) * 1990-11-01 1992-02-18 Systron Donner Corporation Zero force fire extinguisher
DE19500477C1 (de) * 1994-08-08 1995-11-23 Amrona Ag Verfahren und Vorrichtung zum Löschen von Bränden
GB9505825D0 (en) * 1994-08-15 1995-06-14 Parkes John Improvements in munitions demolition

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
AU719286B2 (en) 2000-05-04
TW368423B (en) 1999-09-01
ZA979677B (en) 1998-05-21
ES2161478T3 (es) 2001-12-01
MY133808A (en) 2007-11-30
AU5315198A (en) 1998-05-22
HRP970572A2 (en) 2000-08-31
CA2268976A1 (fr) 1998-05-07
DE19643929A1 (de) 1998-05-07
GR3036888T3 (en) 2002-01-31
IL122061A0 (en) 1998-03-10
YU42597A (sh) 1999-07-28
AR010257A1 (es) 2000-06-07
DE19643929C2 (de) 1998-08-06
WO1998018524A1 (fr) 1998-05-07
SG53115A1 (en) 1998-09-28
ID18693A (id) 1998-04-30
CA2268976C (fr) 2003-08-12
EP1007159B1 (fr) 2001-07-18
YU49141B (sh) 2004-03-12
TR199701267A2 (xx) 1998-05-21
US6164382A (en) 2000-12-26
HRP970572B1 (en) 2001-10-31

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