EP0824941B1 - Fire extinguisher with inert gas - Google Patents

Fire extinguisher with inert gas Download PDF

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Publication number
EP0824941B1
EP0824941B1 EP97114107A EP97114107A EP0824941B1 EP 0824941 B1 EP0824941 B1 EP 0824941B1 EP 97114107 A EP97114107 A EP 97114107A EP 97114107 A EP97114107 A EP 97114107A EP 0824941 B1 EP0824941 B1 EP 0824941B1
Authority
EP
European Patent Office
Prior art keywords
inert gas
screen
extinguishing apparatus
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
EP97114107A
Other languages
German (de)
French (fr)
Other versions
EP0824941A2 (en
EP0824941A3 (en
Inventor
Johann Buchinger
Hannes Oberndorfer
Christian Strempfl
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.)
Minimax Mobile Services & Co KG GmbH
Original Assignee
Minimax GmbH and Co KG
Preussag AG Minimax
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
Priority claimed from AT0047696U external-priority patent/AT1360U1/en
Priority claimed from DE29614291U external-priority patent/DE29614291U1/en
Application filed by Minimax GmbH and Co KG, Preussag AG Minimax filed Critical Minimax GmbH and Co KG
Publication of EP0824941A2 publication Critical patent/EP0824941A2/en
Publication of EP0824941A3 publication Critical patent/EP0824941A3/en
Application granted granted Critical
Publication of EP0824941B1 publication Critical patent/EP0824941B1/en
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
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C8/00—Hand tools or accessories specially adapted for fire-fighting, e.g. tool boxes
    • A62C8/08—Shields

Definitions

  • the invention relates to an extinguishing device for the deletion of spatially limited Fire sources.
  • the invention particularly relates to an extinguishing device for Firefighting in paintings.
  • a fire extinguisher of this type is described in DE-A-3413182 as a manual fire extinguishing device described with a protective shield, the hand-held fire extinguisher next to the pressure vessel for extinguishing liquid has a fold-out screen that is rigid with connected to the fire extinguisher and shielding the fire heat from the extinguishing personnel, so that it comes as close as possible to the source of the fire.
  • adversely on this device is not only that the object to be deleted by the Extinguishing media is affected, but also the fact that transported the fire extinguisher close to the source of the fire with the protective shield must be used, so that only devices with a small volume of extinguishing agent can be used.
  • the type of screen is not suitable, inert gas, which to be directed to a fire site with regard to the volume to be flooded to limit.
  • the object of the invention was therefore to provide an extinguishing device in which damage to the item to be deleted caused by the extinguishing agent Object is to be excluded.
  • the umbrella has the task limit the volume to be flooded with the inert gas.
  • the screen is essentially pyramid-shaped educated.
  • the screen with the supply cable looks clearly then it looks like an umbrella inverted from the storm.
  • the screen is especially attached to the nozzle or to the feed line.
  • the screen is designed to be spreadable. This creates storage space for both stationary and mobile units reduced. Considered again vividly, for example, the pyramid-shaped Umbrella unfolded like an umbrella.
  • the supply line for inert gas is included connected to a mobile inert gas reservoir.
  • the supply line is stationary Connection for a preferably central, stationary inert gas reservoir connected.
  • the screen can be a perform a meaningful dual function, namely on the one hand the behind the Object lying on the screen is extinguished or protected by the inert gas becomes.
  • the screen in front of the object also protects it Object against the regularly liquid extinguishing agent from in showrooms existing sprinkler systems.
  • the extinguishing device Spread of the screen connected to the inert gas reservoir, pneumatic Actuators arranged so that the spread by means of the gas pressure of the screen.
  • Extinguishing device 10 consists, for example, of a mobile console 1 on which a reservoir for inert gas, here a steel bottle 2 filled with inert gas, detachable is attached. With the steel bottle 2 there is a nozzle 5 via a feed line 6 connected. The nozzle is on an extinguishing lance 3 with an actuating device attached to the extinguishing agent release. At the extinguishing lance 3 is also a Screen 4 attached. A high-pressure hose is used as supply line 6 dosed the extinguishing agent by means of the trigger element of a high pressure gun is released. Such a nozzle is used in particular, the extinguishing agent evenly in the extinguishing area inside the screen distributed.
  • a nozzle is used in particular, the extinguishing agent evenly in the extinguishing area inside the screen distributed.
  • inert gas By using inert gas as a residue-free extinguishing agent, none can Damage or contamination of the deleting object occur.
  • the open one Screen 4 forms together with the surface of the object to be deleted a largely enclosed space by using argon the source of the fire is suffocated by oxygen deprivation. Instead of argon other suitable gases can be used.
  • the extinguisher 10 With the mobile console 1, the extinguisher 10 can be transported directly to the source of the fire.
  • the removable for the extinguishing insert from a frame of the console 1 Lance 3 is preferably provided with a swivel arm so that the clamped Screen 4 adapted to each inclination of the object to be deleted can be.

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)
  • Fire-Extinguishing Compositions (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Description

Die Erfindung betrifft ein Löschgerät für die Löschung von räumlich begrenzten Brandherden. Die Erfindung betrifft insbesondere ein Löschgerät zur Brandbekämpfung bei Gemälden.The invention relates to an extinguishing device for the deletion of spatially limited Fire sources. The invention particularly relates to an extinguishing device for Firefighting in paintings.

Bisher erfolgt das Löschen auch in Museen und Ausstellungsräumen durch vorwiegend Trockenlöscher. Vereinzelt werden auch Naßlöscher verwendet. Beim Einsatz beider Löschertypen sind Beschädigungen und Verschmutzungen des zu löschenden Gegenstandes durch das Löschmittel vorgekommen. Außerdem ist beim Einsatz von Pulverlöschern durch die damit verbundene Sichtbehinderung die Gefahr einer Panik bei den Besuchern einer Ausstellung nicht auszuschließen. Schließlich können durch die bisher verwendeten Löschmittel auch andere Ausstellungsobjekte in Mitleidenschaft gezogen werden.So far, deletion has also been carried out in museums and exhibition rooms mainly dry extinguishers. Occasionally, wet extinguishers are used. When using both types of extinguishers, there is damage and contamination of the object to be deleted by the extinguishing agent. In addition, the use of powder extinguishers means that associated visual impairment the risk of panic among visitors cannot be excluded from an exhibition. Finally, through so far Extinguishing media also affected other exhibits to be pulled.

Ein Feuerlöscher dieser Art ist in DE-A-3413182 als Handfeuerlöscheinrichtung mit Schutzschild beschrieben, wobei der Handfeuerlöscher neben dem Druckbehälter für Löschflüssigkeit einen ausklappbaren Schirm aufweist, der starr mit dem Feuerlöscher verbunden ist und die Brandwärme vom Löschpersonal abschirmt, so dass dieses möglichst nahe an den Brandherd heran kommt. Nachteilig an dieser Vorrichtung ist nicht nur, dass das Löschobjekt durch das Löschmittel in Mitleidenschaft gezogen wird, sondern auch die Tatsache, dass mit dem Schutzschild das Feuerlöschgerät nahe an den Brandherd heran transportiert werden muss, so dass nur Geräte mit geringem Löschmittelvolumen einsetzbar sind. Weiterhin ist die Art des Schirmes nicht geeignet, Inertgas, welches auf eine Brandstelle zu leiten ist, im Hinblick auf das zu flutende Volumen zu begrenzen.A fire extinguisher of this type is described in DE-A-3413182 as a manual fire extinguishing device described with a protective shield, the hand-held fire extinguisher next to the pressure vessel for extinguishing liquid has a fold-out screen that is rigid with connected to the fire extinguisher and shielding the fire heat from the extinguishing personnel, so that it comes as close as possible to the source of the fire. adversely on this device is not only that the object to be deleted by the Extinguishing media is affected, but also the fact that transported the fire extinguisher close to the source of the fire with the protective shield must be used, so that only devices with a small volume of extinguishing agent can be used. Furthermore, the type of screen is not suitable, inert gas, which to be directed to a fire site with regard to the volume to be flooded to limit.

Aufgabe der Erfindung war es daher, ein Löschgerät anzugeben, bei dem eine durch das Löschmittel hervorgerufene Beschädigung des zu löschenden Objektes auszuschließen ist.The object of the invention was therefore to provide an extinguishing device in which damage to the item to be deleted caused by the extinguishing agent Object is to be excluded.

Diese Aufgabe wird gelöst durch ein Löschgerät gemäß dem Schutzanspruch 1. This object is achieved by an extinguishing device in accordance with the protection claim 1.

Es ist vorgesehen, an dem Löschgerät wenigstens eine Inertgasdüse mit wenigstens einer Zuleitung mit Inertgas und mit wenigstens einem Schirm aus nichtbrennbarem Material zu versehen. Der Schirm hat dabei die Aufgabe, das mit dem Inertgas zu flutende Volumen zu begrenzen.It is intended to have at least one inert gas nozzle on the extinguishing device at least one supply line with inert gas and with at least one screen to be made of non-combustible material. The umbrella has the task limit the volume to be flooded with the inert gas.

In einer bevorzugten Ausführung ist der Schirm im wesentlichen pyramidenförmig ausgebildet. Anschaulich betrachtet sieht der Schirm mit der Zuleitung dann etwa aus wie ein vom Sturm umgekehrter Regenschirm. Der Schirm ist insbesondere an der Düse beziehungsweise an der Zuleitung befestigt. In a preferred embodiment, the screen is essentially pyramid-shaped educated. The screen with the supply cable looks clearly then it looks like an umbrella inverted from the storm. The screen is especially attached to the nozzle or to the feed line.

Da es vorrangig darauf ankommt, mit dem Schirm das mit Inertgas zu flutende Volumen auf einen möglichst engen Raum um das zu löschende Objekt zu beschränken, sind anstelle von pyramidenförmigen Schirmen auch andere Ausführungen denkbar. Insbesondere kann ein derartiger Schirm auch nach Art eines Rollos ausgebildet sein.Since the most important thing is to use the screen to flood the one with inert gas Volume in the smallest possible space around the object to be deleted to restrict, there are also other instead of pyramid-shaped umbrellas Possible designs. In particular, such a screen can also be designed in the manner of a roller blind.

Nach einer weiter bevorzugten Ausführung ist der Schirm ausbreitbar ausgebildet. Hierdurch wird bei stationären wie mobilen Einheiten der Stauraum vermindert. Wiederum anschaulich betrachtet, wird zum Beispiel der pyramidenförmige Schirm entsprechend wie ein Regenschirm aufgefaltet.According to a further preferred embodiment, the screen is designed to be spreadable. This creates storage space for both stationary and mobile units reduced. Considered again vividly, for example, the pyramid-shaped Umbrella unfolded like an umbrella.

Nach einer weiter bevorzugten Ausführung ist die Zuleitung für Inertgas mit einem mobilen Inertgasresevoir verbunden.According to a further preferred embodiment, the supply line for inert gas is included connected to a mobile inert gas reservoir.

Nach einer anderen bevorzugten Ausführung ist die Zuleitung mit einem stationären Anschluß für ein bevorzugt zentrales, stationäres Inertgasreservoir verbunden. Dies ist besonders vorteilhaft bei einem stationären Löschgerät mit einem rolloartig ausgebildeten Schirm. Hierbei kann der Schirm eine sinnvolle Doppelfunktion erfüllen, indem nämlich einerseits das hinter dem Schirm liegenden Objekt durch das Inertgas gelöscht beziehungsweise geschÜtzt wird. Außerdem schützt der vor dem Objekt befindliche Schirm das Objekt gegen das regelmäßig flüssig abgegebene Löschmittel von in Ausstellungsräumen vorhandenen Sprinkleranlagen.According to another preferred embodiment, the supply line is stationary Connection for a preferably central, stationary inert gas reservoir connected. This is particularly advantageous in the case of a stationary extinguishing device with a roller-shaped umbrella. Here, the screen can be a perform a meaningful dual function, namely on the one hand the behind the Object lying on the screen is extinguished or protected by the inert gas becomes. The screen in front of the object also protects it Object against the regularly liquid extinguishing agent from in showrooms existing sprinkler systems.

Nach einer weiter bevorzugten Ausführung sind an dem Löschgerät zur Ausbreitung des Schirmes mit dem Inertgasreservoir verbundene, pneumatische Aktuatoren angeordnet, so daß mittels des Gasdruckes die Ausbreitung des Schirmes erfolgt.According to a further preferred embodiment, the extinguishing device Spread of the screen connected to the inert gas reservoir, pneumatic Actuators arranged so that the spread by means of the gas pressure of the screen.

Anhand eines in der Zeichnung dargestellten Ausführungsbeispieles wird die Erfindung näher erläutert. Das in der einzigen Zeichnungsfigur gezeigte Löschgerät 10 besteht beispielsweise aus einer fahrbaren Konsole 1, auf der ein Reservoir für Inertgas, hier eine mit Inertgas gefüllte Stahlflasche 2, lösbar befestigt ist. Mit der Stahlflasche 2 ist eine Düse 5 über eine Zuleitung 6 verbunden. Die Düse ist an einer Löschlanze 3 mit Betätigungsvorrichtung zur Löschmittelfreigabe befestigt. An der Löschlanze 3 ist außerdem ein Schirm 4 angebracht. Als Zuleitung 6 dient ein Hochdruckschlauch, über den mittels des Auslöseelementes einer Hochdruckpistole das Löschmittel dosiert freigegeben wird. Als Düse 5 wird insbesondere eine solche eingesetzt, die das Löschmittel gleichmäßig im Löschbereich innerhalb des Schirmes verteilt.Using an embodiment shown in the drawing Invention explained in more detail. The one shown in the single drawing figure Extinguishing device 10 consists, for example, of a mobile console 1 on which a reservoir for inert gas, here a steel bottle 2 filled with inert gas, detachable is attached. With the steel bottle 2 there is a nozzle 5 via a feed line 6 connected. The nozzle is on an extinguishing lance 3 with an actuating device attached to the extinguishing agent release. At the extinguishing lance 3 is also a Screen 4 attached. A high-pressure hose is used as supply line 6 dosed the extinguishing agent by means of the trigger element of a high pressure gun is released. Such a nozzle is used in particular, the extinguishing agent evenly in the extinguishing area inside the screen distributed.

Durch den Einsatz von Inertgas als rückstandsfreies Löschmittel kann keine Beschädigung oder Verschmutzung des löschenden Objektes eintreten. Außerdem ist das bevorzugt als Inertgas zu verwendende Argon als Löschmittel in hohem Maße atoxisch und human verträglich. Der aufgespannte Schirm 4 bildet zusammen mit der Fläche des zu löschenden Gegenstandes einen weitgehend geschlossenen Raum, indem durch den Einsatz von Argon der Brandherd durch Sauerstoffentzug erstickt wird. Anstelle von Argon können andere geeignete Gase verwendet werden. Mit der mobilen Konsole 1 kann das Löschgerät 10 direkt zu dem Brandherd transportiert werden. Die für den Löscheinsatz aus einem Gestell der Konsole 1 herausnehmbaren Lanze 3 ist bevorzugt mit einem Schwenkarm versehen, so daß der aufgespannte Schirm 4 jeder Neigung des zu löschenden Gegenstandes angepaßt werden kann.By using inert gas as a residue-free extinguishing agent, none can Damage or contamination of the deleting object occur. Moreover is preferably the argon to be used as an inert gas as an extinguishing agent highly non-toxic and human tolerable. The open one Screen 4 forms together with the surface of the object to be deleted a largely enclosed space by using argon the source of the fire is suffocated by oxygen deprivation. Instead of argon other suitable gases can be used. With the mobile console 1, the extinguisher 10 can be transported directly to the source of the fire. The removable for the extinguishing insert from a frame of the console 1 Lance 3 is preferably provided with a swivel arm so that the clamped Screen 4 adapted to each inclination of the object to be deleted can be.

Claims (8)

  1. Fire-extinguishing apparatus for inert gas, having at least one inert gas nozzle (5), at least one flexible supply line (6) for inert gas and at least one screen (4), which confines the volume of inert gas, which issues, to the site of the fire, and said screen is formed from non-combustible material.
  2. Extinguishing apparatus according to claim 1, characterised in that the screen (4) is substantially in the shape of a pyramid.
  3. Extinguishing apparatus according to claim 1, characterised in that the screen (4) is in the form of a roller blind.
  4. Extinguishing apparatus according to claim 2 or 3, characterised in that the screen (4) is expandable.
  5. Extinguishing apparatus according to one of claims 1 to 4, characterised in that the supply line (6) for inert gas is connected to a mobile inert gas reservoir (2).
  6. Extinguishing apparatus according to one of claims 1 to 4, characterised in that the supply line (6) for inert gas is connected to a stationary reservoir.
  7. Extinguishing apparatus according to one of claims 4 to 6, characterised in that pneumatic actuators, which are connected to the inert gas reservoir, are provided to expand the screen (4).
  8. Extinguishing apparatus according to one of claims 1 to 7, characterised in that a pivotal arm, which is provided with a pivot joint, is provided to support nozzle (5), screen (4) and supply line (6).
EP97114107A 1996-08-16 1997-08-15 Fire extinguisher with inert gas Expired - Lifetime EP0824941B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT476/96 1996-08-16
AT47696 1996-08-16
AT0047696U AT1360U1 (en) 1996-08-16 1996-08-16 EXTINGUISHER
DE29614291U DE29614291U1 (en) 1996-08-17 1996-08-17 Fire extinguisher
DE29614291U 1996-08-17

Publications (3)

Publication Number Publication Date
EP0824941A2 EP0824941A2 (en) 1998-02-25
EP0824941A3 EP0824941A3 (en) 1999-07-07
EP0824941B1 true EP0824941B1 (en) 2002-10-23

Family

ID=25592869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114107A Expired - Lifetime EP0824941B1 (en) 1996-08-16 1997-08-15 Fire extinguisher with inert gas

Country Status (2)

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EP (1) EP0824941B1 (en)
DE (1) DE59708546D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107744631B (en) * 2017-12-01 2018-11-02 中国矿业大学(北京) A kind of nitrogen injection intelligent controlling device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927082A (en) * 1995-04-13 1999-07-27 R-Amtech International, Inc. Gas generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832425A (en) * 1956-06-01 1958-04-29 Wilbur A Nelson Portable fire extinguisher
US3497141A (en) * 1968-02-05 1970-02-24 Sigge Rydberg Hose nozzle spray attachment
DE3413182A1 (en) * 1984-04-07 1985-11-07 Leo 6600 Saarbrücken Lenhard Hand-held fire-extinguishing device with protective shield

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5927082A (en) * 1995-04-13 1999-07-27 R-Amtech International, Inc. Gas generator

Also Published As

Publication number Publication date
EP0824941A2 (en) 1998-02-25
EP0824941A3 (en) 1999-07-07
DE59708546D1 (en) 2002-11-28

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