EP1112107B1 - Procede et dispositif pour lutter contre les incendies - Google Patents

Procede et dispositif pour lutter contre les incendies Download PDF

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Publication number
EP1112107B1
EP1112107B1 EP99947328A EP99947328A EP1112107B1 EP 1112107 B1 EP1112107 B1 EP 1112107B1 EP 99947328 A EP99947328 A EP 99947328A EP 99947328 A EP99947328 A EP 99947328A EP 1112107 B1 EP1112107 B1 EP 1112107B1
Authority
EP
European Patent Office
Prior art keywords
extinguisher
jet
foam
extinguishing
fire
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 - Lifetime
Application number
EP99947328A
Other languages
German (de)
English (en)
Other versions
EP1112107A1 (fr
Inventor
Dirk K. Sprakel
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.)
Fogtec Brandschutz GmbH and Co KG
Original Assignee
Fogtec Brandschutz GmbH and Co KG
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 Fogtec Brandschutz GmbH and Co KG filed Critical Fogtec Brandschutz GmbH and Co KG
Publication of EP1112107A1 publication Critical patent/EP1112107A1/fr
Application granted granted Critical
Publication of EP1112107B1 publication Critical patent/EP1112107B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A62C31/07—Nozzles specially adapted for fire-extinguishing with two or more outlets for different media

Definitions

  • the invention relates to a method for combating fires, in which a directed extinguishing foam jet is discharged to cover the source of the fire. Moreover, the invention relates to a device which is suitable for carrying out the method. Such devices are used in stationary or mobile fire extinguishing equipment to stifle a fire by a foam, for example, if the use of water as extinguishing liquid is not possible.
  • a device suitable for extinguishing fires with extinguishing foam is known from the British patent specification 1 018 431 known.
  • the device described in this document has a foam tube which surrounds a nozzle body with a cylindrical portion.
  • the nozzle body has a nozzle, is discharged from the extinguishing liquid.
  • the known device has on its rear end face an inlet opening.
  • a plurality of inlet openings are distributed on the cylindrical circumference of the foam tube.
  • the extinguishing foam produced by such a device can be deployed in a directional beam. This has the advantage that the extinguishing foam with relatively high kinetic energy escapes, so that he impinges on the fire site and forms a dense cover after impact, through which the fire is stifled.
  • an extinguishing device in which the extinguishing foam jet is surrounded by an extinguishing mist.
  • the device has an annular nozzle which surrounds the extinguishing foam outlet.
  • the extinguishing mist is generated by making an extinguishing agent jet in the annular nozzle in an annular cross section and then pressed by a plurality of teeth, wherein the jet swirls and disintegrates.
  • the kinetic energy is largely consumed by the sputtering process. Due to the range limitation associated therewith, the possibilities are limited to reliably prevent the spread of a fire.
  • the object of the invention is a method of the type mentioned and one for carrying out the method to provide suitable apparatus which enable the extinguishment of areal spreading fires with reduced risk of fire spread.
  • this object is achieved in that in addition to the extinguishing foam jet, a quenching liquid mist is discharged, which cools the space surrounding the fire volume.
  • the inventive method combines the example of the German Utility Model 295 18 911.8 known extinguishing method using extinguishing fog with the method for deletion by means of an extinguishing foam. It has been shown that the extinguishing mist and the extinguishing foam jet in With regard to the method, this object is achieved by a device according to claim 6 and a method according to claim 1.
  • the inventive method combines the example of the German Utility Model 295 18 911.8 known extinguishing method using extinguishing fog with the method for deletion by means of an extinguishing foam. It has been found that the extinguishing mist and the extinguishing foam jet complement each other in an optimal manner, in particular in the control of large or large fire sources. This happens because on the one hand directly combatted by the use of the directional extinguishing the fire and the fire surface is successively covered with foam. On the other hand is cooled by the extinguishing mist of the gas space surrounding the fire.
  • the extinguishing mist covers a much larger space than the extinguishing foam jet is achieved by the introduction of the extinguishing mist that the ambient temperature of the fire is lowered even in such areas then, if a direct coverage of the fire by the extinguishing foam is not done when Fire in the areas concerned so still burning. A spread of the fire, for example by spontaneous combustion of objects adjacent to the fire due to the high temperatures in the vicinity of the fire is thus avoided.
  • the discharge of the extinguishing mist is carried out selectively as a function of the position of a control device. This makes it possible for the extinguishing agent introduced into the area of the fire (Extinguishing foam / extinguishing liquid mist) depending on the respective fire situation.
  • the foam tube according to the invention can be used particularly advantageously in conjunction with extinguishing devices in which the extinguishing liquid is under high pressure, i. at pressures above 40 bar, is applied.
  • a further advantageous embodiment of the method according to the invention is characterized in that quenching liquid mist is applied in the form of a plurality of individual jets whose respective origin is arranged in the immediate vicinity of the origin of the extinguishing foam jet.
  • quenching liquid mist is applied in the form of a plurality of individual jets whose respective origin is arranged in the immediate vicinity of the origin of the extinguishing foam jet.
  • the method according to the invention can be used particularly effectively when the extinguishing liquid, from which the extinguishing liquid mist is generated, is water.
  • a particularly suitable apparatus for carrying out the method according to the invention which is equipped with an extinguishing nozzle head, which comprises an extinguishing foam generating means for generating a directed extinguishing foam jet, according to the invention is characterized in that the extinguishing nozzle head comprises additional extinguishing nozzles for generating extinguishing liquid mist.
  • the extinguishing nozzle head 1 of the portable extinguisher gun L is rotationally symmetrical and has its End face an end face 2. In the center of the end face 2, a central extinguishing nozzle 3 is arranged. The central extinguishing nozzle 3 is connected to a first supply line 4 of the extinguishing pistol L, which runs in the housing tube R of the extinguishing pistol L.
  • extinguishing nozzle head 1 Formed on the end face 2 of the extinguishing nozzle head 1 is a circumferential inclined surface 5, which recedes relative to the front end face 2 at an angle ⁇ of approximately 45 °.
  • extinguishing nozzles 6 On the inclined surface 4 extinguishing nozzles 6 are arranged, which are connected to a second, also extending in the housing tube R supply line 7 of the extinguishing gun L.
  • the extinguishing nozzles 6 are arranged at regular angular intervals to one another on a circle which is aligned concentrically with the opening of the central extinguishing nozzle 3.
  • the outlet direction of the emerging from them when pressurized with extinguishing liquid jet of fog is directed substantially perpendicular to the inclined surface 5, so that the mist jets of the extinguishing nozzles 5 are directed in substantially the same direction as the axially parallel to the longitudinal axis X of the extinguishing nozzle head 1 emerging beam passing through the central Extinguishing nozzle 3 is generated.
  • the supply lines 4, 7 can be acted on at the same time or individually with extinguishing fluid.
  • the inclined surface 5 is followed by a radially encircling, axially parallel to the longitudinal axis X of the extinguishing nozzle head 1 extending lateral surface 8, on which further, connected to the supply line 7 extinguishing nozzles 9 are arranged.
  • the extinguishing nozzles 9 also give on exposure to extinguishing fluid Extinguishing mist jet off.
  • this has a radially directed to the longitudinal axis X of the extinguishing nozzle head 1 component and directed in the direction of the valve component V, so that the emerging from the extinguishing nozzles 9 Löschnebelstrahlen fill the back and side of the extinguishing gun L surrounding space.
  • a foam tube 11 is attached via a sleeve 10.
  • the foam tube 11 has a nozzle body 12, on which an injector nozzle 13 protruding into the foam tube 11 is formed.
  • the bore 14 of the injector nozzle 13 is connected via a chamber of the nozzle body 11 and the sleeve 10 with the central extinguishing nozzle 3.
  • the supply lines 4 or 7 simultaneously or individually with extinguishing fluid, preferably water, acted upon.
  • the extinguishing fluid in this case has a high pressure of more than 40 bar in both supply lines.
  • the extinguishing nozzles 6 and 9 When the supply line 4 is pressurized, the extinguishing nozzles 6 and 9 generate an extinguishing mist, in which the individual liquid droplets have a low volume and exit in a finely distributed manner with high kinetic energy from the nozzle openings of the extinguishing nozzles 6, 9 into the environment.
  • the mist jets emerging from the obliquely forwardly directed extinguishing nozzles 6 reach the surroundings of the source of the fire and cool the gases present there with evaporation and concomitant displacement of the oxygen. Fill the emerging from the extinguishing nozzles 9 of the lateral surface 8 rays in contrast, the side and rear room with extinguishing mist, so that there is an efficient reduction of the temperature is achieved. In this way, not only the spread of the fire on the cooled area is prevented, but the fire extinguisher serving firefighter simultaneously protected.
  • a directed, mixed with foam-forming additive extinguishing liquid jet is discharged from the central extinguishing nozzle 4, under high pressure from the central extinguishing nozzle 3.
  • This jet enters the chamber of the nozzle body 12 of the jet pipe 11 and is additionally swirled there.
  • the so-swirled extinguishing fluid jet passes through the nozzle bore 13 in the foam tube 11, in which he sucks air on the manner of the Venturi effect on the inlet openings of the foam tube.
  • This air mixes with the finely atomized extinguishing fluid to form a fine-pored foam.
  • This foam exits the foam tube 11 with high kinetic energy and reaches the source of the fire as a directed, compact spray-foam jet.
  • water is preferably used as extinguishing liquid.
  • the foam tube 11 leads to a significant improvement in the throw of emerging from it extinguishing agent jet when the extinguishing agent is no foam-generating additive mixed, but only the extinguishing liquid itself exits the foam tube 12 as a jet of high kinetic energy.
  • the use of the foam tube 12 in the case of pure liquid extinguishing is advantageous if, for example, a directed extinguishing liquid jet is required in order to reach the source of the fire from a greater distance.
  • the concentrated by the foam tube extinguishing liquid jet can be used to achieve a wetting of even deep inside the fires hidden embers by a targeted beam.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (11)

  1. Procédé de lutte contre l'incendie, dans lequel un jet orienté de mousse d'extinction est projeté pour couvrir le foyer d'incendie,
    caractérisé en ce que
    un jet de liquide d'extinction qui sort sous haute pression d'une tuyère centrale d'extinction d'une tête d'extinction pénètre dans une chambre d'un corps de tuyère d'un tube de projection et, après avoir été tourbillonné dans la chambre, pénètre dans le tube de projection où le jet de liquide d'extinction forme en étant mélangé à l'air un jet de mousse d'extinction à pores fins et
    en ce qu'en complément au jet de mousse d'extinction, un brouillard de liquide d'extinction qui présente la forme de plusieurs jets distincts de brouillard d'extinction dont l'origine est située pour chacun à proximité directe de l'origine du jet de mousse d'extinction est projeté pour refroidir le volume de l'espace qui entoure le foyer d'incendie.
  2. Procédé selon la revendication 1, caractérisé en ce que la projection du brouillard de liquide d'extinction peut être sélectionnée en fonction de la position d'un dispositif de commande (V).
  3. Procédé selon la revendication 2, caractérisé en ce qu'une partie des différents jets est orientée en direction du foyer d'incendie et en ce qu'une partie en est orientée perpendiculairement à l'axe (X) du jet de mousse d'extinction.
  4. Procédé selon l'une des revendications 3 ou 4,
    caractérisé en ce qu'au moins un jet distinct est orienté dans une direction non tournée vers le foyer d'incendie.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le liquide d'extinction à partir duquel est formé le brouillard de liquide d'extinction est l'eau.
  6. Dispositif en vue de la mise en oeuvre du procédé selon l'une des revendications 1 à 5, doté d'une tête (1) à tuyère d'extinction qui présente une tuyère centrale d'extinction (3) et un dispositif (12) de formation d'une mousse d'extinction qui forme un jet orienté de mousse d'extinction, caractérisé en ce que
    le dispositif (12) de formation de mousse d'extinction présente un tube de projection doté d'un corps de tuyère (12) qui présente une chambre,
    en ce que le jet d'agent d'extinction expulsé sous haute pression de la tuyère d'extinction est tourbillonné dans la chambre du corps de tuyère (12) avant de pénétrer dans le tube de projection (11) pour former un jet de mousse d'extinction à pores fins en étant mélangé avec de l'air et
    en ce que la tête (1) de tuyère d'extinction comprend des tuyères d'extinction supplémentaires (6, 9) disposées à proximité immédiate de la tuyère centrale d'extinction et formant des jets de brouillard de liquide d'extinction qui refroidissent le volume de l'espace qui entoure le foyer d'incendie.
  7. Dispositif selon la revendication 6, caractérisé en ce qu'au moins l'une des tuyères d'extinction (6) est orientée de telle sorte que le jet de brouillard de liquide d'extinction qui en sort est orienté en direction du foyer d'incendie et en ce qu'au moins une autre tuyère (9) à brouillard d'extinction est orientée de telle sorte que le jet de brouillard de liquide d'extinction qui en sort en sort dans une direction orientée perpendiculairement à la direction de sortie du jet de mousse d'extinction.
  8. Dispositif selon l'une des revendications 6 à 7, caractérisé en ce que les tuyères d'extinction (6, 9) sont disposées à intervalles réguliers autour du dispositif (12) de formation de mousse d'extinction.
  9. Dispositif selon la revendication 8, caractérisé en ce que les tuyères d'extinction (6, 9) sont disposées sur un cercle dont le centre coïncide avec l'axe central (X) du jet de mousse d'extinction qui sort du dispositif (12) de formation de mousse d'extinction.
  10. Dispositif selon l'une des revendications 7 à 9,
    caractérisé en ce que
    la tête (1) de tuyère d'extinction présente une surface d'enveloppe (8) périphérique radialement, une surface frontale (2) essentiellement plane et une surface oblique (5) disposée entre la surface d'enveloppe (8) et la surface frontale (2) et qui se rétrécit depuis la surface d'enveloppe (8) en direction de la surface frontale (2) et
    en ce que plusieurs tuyères d'extinction (9, 6) sont disposées respectivement sur la surface d'enveloppe (8) et sur la surface oblique (5).
  11. Dispositif selon l'une des revendications 6 à 10, qui est caractérisé en ce qu'il présente un système de soupapes (V) au moyen duquel les tuyères (6, 9) à brouillard d'extinction et le dispositif (12) de formation d'une mousse d'extinction peuvent être alimentées sélectivement en liquide d'extinction, une à une, conjointement ou en différents groupes.
EP99947328A 1998-09-11 1999-09-13 Procede et dispositif pour lutter contre les incendies Expired - Lifetime EP1112107B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19841874 1998-09-11
DE19841874A DE19841874A1 (de) 1998-09-11 1998-09-11 Verfahren und Vorrichtung zum Bekämpfen von Bränden
PCT/EP1999/006756 WO2000015301A1 (fr) 1998-09-11 1999-09-13 Procede et dispositif pour lutter contre les incendies

Publications (2)

Publication Number Publication Date
EP1112107A1 EP1112107A1 (fr) 2001-07-04
EP1112107B1 true EP1112107B1 (fr) 2009-11-04

Family

ID=7880806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99947328A Expired - Lifetime EP1112107B1 (fr) 1998-09-11 1999-09-13 Procede et dispositif pour lutter contre les incendies

Country Status (9)

Country Link
US (1) US6830109B1 (fr)
EP (1) EP1112107B1 (fr)
JP (1) JP2002524220A (fr)
KR (2) KR20070094992A (fr)
CN (1) CN1135124C (fr)
AT (1) ATE447429T1 (fr)
AU (1) AU6082099A (fr)
DE (3) DE19841874A1 (fr)
WO (1) WO2000015301A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100685005B1 (ko) * 2004-06-28 2007-02-20 주식회사 거송시스템 소방장치
CA2861760C (fr) 2011-12-27 2018-02-27 Sung Woo Kim Gicleur venturi de regulation de la fumee et appareil d'elimination de la fumee et des gaz toxiques
CN102886111B (zh) * 2012-09-17 2015-09-09 姬永兴 一种双灭火剂喷射枪及其方法
RU193850U1 (ru) * 2019-04-12 2019-11-19 Общество с ограниченной ответственностью "Ника Системы" Пожарный ствол

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH183335A (de) * 1935-05-08 1936-03-31 Minimax A G Zuerich Verfahren zum Umwandeln von Nassfeuerlöschern in Schaumfeuerlöscher.
DE19519316A1 (de) * 1995-05-26 1996-11-28 Klaus Schaefer Verfahren und Vorrichtung zur Brandbekämpfung
US5590719A (en) * 1991-07-17 1997-01-07 Mcloughlin; John E. Firefighting nozzle with foam injection system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527891A (en) 1946-10-01 1950-10-31 Fmc Corp Valved nozzle for fire fighting spray guns
US2928611A (en) 1958-11-17 1960-03-15 Elkhart Brass Mfg Company Fire hose nozzle
GB1018431A (en) * 1963-01-08 1966-01-26 Foamite Ltd Apparatus for producing foam
US3684019A (en) * 1971-05-07 1972-08-15 Howard W Emmons Method for fighting a fire
JPS5797562U (fr) * 1980-12-04 1982-06-15
JPS60119450U (ja) * 1984-01-20 1985-08-12 末永　博敏 消防用放液消火ノズル
JPH0450044Y2 (fr) * 1986-09-10 1992-11-25
JPS63119782A (ja) * 1986-11-10 1988-05-24 能美防災株式会社 消火用ノズル
JPH0315541U (fr) * 1989-06-27 1991-02-15
SG48413A1 (en) * 1992-09-15 1998-04-17 Sundholm Goeran Nozzle
ES2159735T5 (es) * 1995-04-22 2007-10-01 FOGTEC BRANDSCHUTZ GMBH & CO. KG Pistola extintora transportable.
DE19514939C2 (de) 1995-04-22 1997-09-18 Kamat Pumpen Gmbh & Co Kg Löschdüsenkopf
DK174899B1 (da) * 1997-12-19 2004-02-09 Firexpress Aps Brandslukningsindretning

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH183335A (de) * 1935-05-08 1936-03-31 Minimax A G Zuerich Verfahren zum Umwandeln von Nassfeuerlöschern in Schaumfeuerlöscher.
US5590719A (en) * 1991-07-17 1997-01-07 Mcloughlin; John E. Firefighting nozzle with foam injection system
DE19519316A1 (de) * 1995-05-26 1996-11-28 Klaus Schaefer Verfahren und Vorrichtung zur Brandbekämpfung

Also Published As

Publication number Publication date
KR20010075040A (ko) 2001-08-09
ATE447429T1 (de) 2009-11-15
US6830109B1 (en) 2004-12-14
KR20070094992A (ko) 2007-09-27
CN1135124C (zh) 2004-01-21
DE19841874A1 (de) 2000-03-23
JP2002524220A (ja) 2002-08-06
CN1323235A (zh) 2001-11-21
EP1112107A1 (fr) 2001-07-04
WO2000015301A1 (fr) 2000-03-23
DE59915100D1 (de) 2009-12-17
AU6082099A (en) 2000-04-03
DE29924875U1 (de) 2006-05-04

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