EP2090336B1 - Installation for fighting fire - Google Patents

Installation for fighting fire Download PDF

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Publication number
EP2090336B1
EP2090336B1 EP09450033.7A EP09450033A EP2090336B1 EP 2090336 B1 EP2090336 B1 EP 2090336B1 EP 09450033 A EP09450033 A EP 09450033A EP 2090336 B1 EP2090336 B1 EP 2090336B1
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EP
European Patent Office
Prior art keywords
extinguishing liquid
additive
pressure line
line
pump
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Active
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EP09450033.7A
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German (de)
French (fr)
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EP2090336A1 (en
Inventor
Helmut Kern
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Hainzl Industriesysteme GmbH
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Hainzl Industriesysteme GmbH
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Publication of EP2090336A1 publication Critical patent/EP2090336A1/en
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    • 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
    • A62C35/026—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being put under pressure by means other than pressure gas, e.g. pumps
    • 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
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/008—Making of fire-extinguishing materials immediately before use for producing other mixtures of different gases or vapours, water and chemicals, e.g. water and wetting agents, water and gases

Definitions

  • the invention relates to a fire fighting system with a suction liquid from a container sucking pump, which is connected via a pressure line with individually or in groups controllable nozzles for distribution of the extinguishing liquid over a firefighting range, and with a connected to the pressure line for the extinguishing liquid feed line for feeding a stored in a reservoir additive in the quenching liquid stream.
  • Additives such as wetting or foaming agents, if necessary, can significantly enhance the effect of an extinguishing liquid, preferably extinguishing water, in terms of fire fighting.
  • an extinguishing liquid preferably extinguishing water
  • a disadvantage of these known systems is that after a metered addition of the additive to the extinguishing liquid a time dependent on the flow rate and the length of the conveyor line for the extinguishing liquid elapses before the staggered with the additive extinguishing liquid is atomized via the controlled nozzles in the firefighting area and the effect comes.
  • This disadvantage is increasingly noticeable with increasing conveying distance between the pump and the nozzles and thus with increasing length of the pressure line connected to the pump for the extinguishing liquid and is therefore to be considered in particular in firefighting in tunnels or channels.
  • the invention is therefore based on the object, a system for fire fighting of the type described in such a way that, if necessary, the offset with an additive extinguishing liquid can be provided largely independent of the conveying path of the extinguishing liquid to the nozzle.
  • the invention solves this problem by the fact that provided with a feed pump supply line for the additive laid parallel to the pressure line for the extinguishing liquid and connected to this pressure line in each case before the individually or in groups controllable nozzles via control valves provided with branch lines.
  • each independently controllable nozzle or nozzle group provided that a branch line of the feed line for the additive opens in the flow direction of the extinguishing liquid immediately before the connection valve for the nozzle or the nozzle group in the pressure line for the extinguishing liquid.
  • a prerequisite is a delivery pump for the additive.
  • the dosage of the additive can be achieved in a simple manner by a mutual vote of the delivery rates of the pump for the extinguishing liquid and the additive.
  • a more accurate metering of the additive in the extinguishing liquid can be ensured if the feed pump in the feed line for the additive as a function of the flow rate of the extinguishing liquid in the pressure line controlled becomes.
  • the mixing ratio can be easily adapted to the respective requirements.
  • the illustrated plant for firefighting for example, in a dash-dotted line indicated tunnel tube 1 has individual longitudinal sections of the tunnel tube 1 associated, in each case via terminal valves 2 controllable groups 3 of nozzles 4 for atomizing a quenching liquid, usually extinguishing water.
  • the extinguishing liquid is sucked by means of a driven by a motor 5 pump 6 from a container 7 and a conventional manner z. B. conveyed in the ceiling region of the tunnel tube 1 pressure line 8 to the nozzles 4.
  • the control of the nozzle groups 3 via the connection valves 2 takes place in a known manner as a function of the response of corresponding fire detectors, which is not shown for reasons of clarity.
  • a feed line 9 is laid for the additive parallel to the pressure line 8, which is connected via a feed pump 10 to a reservoir 11 for the additive.
  • a feed line 9 to the pressure line 8 connecting branch line 12 is provided with a control valve 13 which can be controlled via an actuator 14, if necessary, so that additive from the feed line 9 in the pressure line for the extinguishing liquid is pumped.
  • the additive is fed immediately before the extinguishing liquid inlet to the controlled nozzle group 3 in the pressure line 8 for the extinguishing agent, which is With the additive added extinguishing liquid after the activation of a nozzle group 3 with only a small, dependent on the conveying path of the extinguishing liquid between the connection of the upstream branch line 12 and the driven nozzle group 3 delay available.
  • the pump motor 15 for the delivery pump 10 in the supply line 9 can be controlled as a function of the flow rate of the extinguishing liquid in the pressure line 8.
  • an encoder 16 for the flow rate of the extinguishing liquid and a control device 17 for the pump motor 15 are provided in the pressure line 8.
  • the feed pump 10 for the additive can thus be controlled so that when metering the additive to the extinguishing liquid through the respective branch line 12, a predetermined mixing ratio between the extinguishing liquid and the additive is maintained.
  • the predetermined mixing ratio between the extinguishing liquid and the additive can also be ensured that the feed pump 10 is driven in the feed line 9 by a hydraulic pump motor which is installed in the pressure line 8, which in turn is driven by the flowing through extinguishing liquid in the pressure line 8.
  • a hydraulic pump motor which is installed in the pressure line 8, which in turn is driven by the flowing through extinguishing liquid in the pressure line 8.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Description

Anlage zur BrandbekämpfungFire fighting system

Die Erfindung bezieht sich auf eine Anlage zur Brandbekämpfung mit einer eine Löschflüssigkeit aus einem Behälter ansaugenden Pumpe, die über eine Druckleitung mit einzeln oder gruppenweise ansteuerbaren Düsen zur Verteilung der Löschflüssigkeit über einen Brandbekämpfungsbereich verbunden ist, und mit einer an die Druckleitung für die Löschflüssigkeit angeschlossenen Speiseleitung zum Einspeisen eines in einem Vorratsbehälter gelagerten Zusatzmittels in den Löschflüssigkeitsstrom.The invention relates to a fire fighting system with a suction liquid from a container sucking pump, which is connected via a pressure line with individually or in groups controllable nozzles for distribution of the extinguishing liquid over a firefighting range, and with a connected to the pressure line for the extinguishing liquid feed line for feeding a stored in a reservoir additive in the quenching liquid stream.

Zusatzmittel, wie Netz- oder Schaummittel, können im Bedarfsfall die Wirkung einer Löschflüssigkeit, vorzugsweise Löschwasser, hinsichtlich der Brandbekämpfung deutlich verstärken. Zu diesem Zweck ist es bekannt, dem aus dem Löschflüssigkeitsbehälter gepumpten Löschflüssigkeitsstrom das Zusatzmittel dosiert zuzuführen, indem eine Speiseleitung für das Zusatzmittel unmittelbar vor oder nach der Pumpe an die Leitung für die Löschflüssig angeschlossen wird, sodass das Zusatzmittel bei Bedarf gemeinsam mit der Löschflüssigkeit angesaugt oder durch Injektorwirkung mitgerissen wird. Nachteilig bei diesen bekannten Anlagen ist allerdings, dass nach einer Zudosierung des Zusatzmittels zur Löschflüssigkeit eine von der Strömungsgeschwindigkeit und der Länge der Förderstrecke für die Löschflüssigkeit abhängige Zeitspanne verstreicht, bevor die mit dem Zusatzmittel versetzte Löschflüssigkeit über die angesteuerten Düsen im Brandbekämpfungsbereich zerstäubt wird und zur Wirkung kommt. Dieser Nachteil macht sich mit zunehmender Förderstrecke zwischen der Pumpe und den Düsen und damit mit zunehmender Länge der an die Pumpe angeschlossenen Druckleitung für die Löschflüssigkeit immer stärker bemerkbar und ist daher insbesondere bei der Brandbekämpfung in Tunneln oder Kanälen zu berücksichtigen.Additives, such as wetting or foaming agents, if necessary, can significantly enhance the effect of an extinguishing liquid, preferably extinguishing water, in terms of fire fighting. For this purpose it is known to metered the additive pumped from the extinguishing liquid container extinguishing liquid stream by a supply line for the additive is connected immediately before or after the pump to the line for the extinguishing liquid, so that the additive sucked together with the extinguishing liquid if required or entrained by injector action. A disadvantage of these known systems, however, is that after a metered addition of the additive to the extinguishing liquid a time dependent on the flow rate and the length of the conveyor line for the extinguishing liquid elapses before the staggered with the additive extinguishing liquid is atomized via the controlled nozzles in the firefighting area and the effect comes. This disadvantage is increasingly noticeable with increasing conveying distance between the pump and the nozzles and thus with increasing length of the pressure line connected to the pump for the extinguishing liquid and is therefore to be considered in particular in firefighting in tunnels or channels.

Schließlich ist es bekannt ( US 2005/045345 A1 ), bei einer Anlage zur Brandbekämpfung eine eine Löschflüssigkeit ansaugende Pumpe vorzusehen, die über eine Druckleitung an Verteilerleitungen mit je einer Düse verbunden ist. um ein Zusatzmittel der Löschflüssigkeit zumischen zu können, ist eine an eine Förderpumpe angeschlossene Speiseleitung für das Zusatzmittel vorgesehen, die über mit Steuerventilen versehene Stichleitungen mit den Verteilerleitungen in Verbindung steht. Es werden daher wiederum lange Wege zur Förderung der mit dem Zusatzmittel versetzten Löschflüssigkeit erforderlich, wenn nicht lange Stichleitungen für das Zusatzmittel in Kauf genommen werden, die den Konstruktionsaufwand erheblich vergrößern.Finally, it is known ( US 2005/045345 A1 ), to provide at a plant for fire fighting a an extinguishing liquid sucking pump, which is connected via a pressure line to distribution lines, each with a nozzle. In order to mix an additive of the extinguishing liquid, a supply line connected to a feed pump for the additive is provided, which is provided via control valves with stub lines with the distribution lines in connection. It will therefore turn long ways to promote the admixed with the extinguishing liquid required if not long stubs for the additive are accepted, which increase the design effort considerably.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Anlage zur Brandbekämpfung der eingangs geschilderten Art so auszugestalten, dass im Bedarfsfall die mit einem Zusatzmittel versetzte Löschflüssigkeit weitgehend unabhängig von der Förderstrecke der Löschflüssigkeit an den Düsen bereitgestellt werden kann.The invention is therefore based on the object, a system for fire fighting of the type described in such a way that, if necessary, the offset with an additive extinguishing liquid can be provided largely independent of the conveying path of the extinguishing liquid to the nozzle.

Die Erfindung löst die gestellte Aufgabe dadurch, dass die mit einer Förderpumpe versehene Speiseleitung für das Zusatzmittel parallel zur Druckleitung für die Löschflüssigkeit verlegt und an diese Druckleitung jeweils vor den einzeln oder gruppenweise ansteuerbaren Düsen über mit Steuerventilen versehene Abzweigleitungen angeschlossen ist.The invention solves this problem by the fact that provided with a feed pump supply line for the additive laid parallel to the pressure line for the extinguishing liquid and connected to this pressure line in each case before the individually or in groups controllable nozzles via control valves provided with branch lines.

Da die parallel zur Druckleitung für die Löschflüssigkeit verlegte Speiseleitung für das Zusatzmittel mit dem Zusatzmittel gefüllt ist, bedarf es lediglich einer Öffnung einer der zwischen der Speise- und der Druckleitung vorgesehenen Abzweigleitungen durch eine entsprechende Beaufschlagung des zugehörigen Steuerventils, um das Zusatzmittel unmittelbar vor der angesteuerten Düse bzw. Düsengruppe in die Druckleitung für die Löschflüssigkeit einzuspeisen, sodass die verbleibende Förderstrecke zwischen der Abzweigleitung und der Düse bzw. der Düsengruppe nur eine vernachlässigbare Verzögerung hinsichtlich des Löscheinsatzes der mit dem Zusatzmittel versetzten Löschflüssigkeit bedingt. Dies gilt für jede unabhängig ansteuerbare Düse bzw. Düsengruppe, sofern eine Abzweigleitung der Speiseleitung für das Zusatzmittel in Strömungsrichtung der Löschflüssigkeit unmittelbar vor dem Anschlussventil für die Düse bzw. die Düsengruppe in der Druckleitung für die Löschflüssigkeit mündet. Voraussetzung ist jedoch eine Förderpumpe für das Zusatzmittel.Since the laid parallel to the pressure line for the extinguishing liquid feed line for the additive is filled with the additive, it only requires opening one of the provided between the supply and the pressure line branch lines by a corresponding application of the associated control valve to the additive immediately before the driven To feed nozzle or nozzle group in the pressure line for the extinguishing liquid, so that the remaining conveying distance between the branch line and the nozzle or the nozzle group only a negligible delay in terms of the extinguishing rate of offset with the extinguishing extinguishing liquid. This applies to each independently controllable nozzle or nozzle group, provided that a branch line of the feed line for the additive opens in the flow direction of the extinguishing liquid immediately before the connection valve for the nozzle or the nozzle group in the pressure line for the extinguishing liquid. However, a prerequisite is a delivery pump for the additive.

Die Dosierung des Zusatzmittels kann in einfacher Weise durch eine gegenseitige Abstimmung der Fördermengen der Pumpen für die Löschflüssigkeit und das Zusatzmittel erreicht werden. Eine genauere Dosierung des Zusatzmittels in der Löschflüssigkeit kann allerdings dann gewährleistet werden, wenn die Förderpumpe in der Speiseleitung für das Zusatzmittel in Abhängigkeit von der Durchflussmenge der Löschflüssigkeit in der Druckleitung angesteuert wird. In diesem Fall können nicht nur Schwankungen bezüglich der Förderleistung der Pumpe für die Löschflüssigkeit berücksichtigt, sondern auch das Mischungsverhältnis in einfacher Weise an die jeweiligen Anforderungen angepasst werden.The dosage of the additive can be achieved in a simple manner by a mutual vote of the delivery rates of the pump for the extinguishing liquid and the additive. A more accurate metering of the additive in the extinguishing liquid, however, can be ensured if the feed pump in the feed line for the additive as a function of the flow rate of the extinguishing liquid in the pressure line controlled becomes. In this case, not only variations in the capacity of the pump for the extinguishing liquid can be considered, but also the mixing ratio can be easily adapted to the respective requirements.

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt, und zwar wird eine erfindungsgemäße Anlage zur Brandbekämpfung in einem schematischen Blockschaltbild gezeigt.In the drawing, the subject invention is illustrated, for example, and indeed a fire fighting system according to the invention is shown in a schematic block diagram.

Die dargestellte Anlage zur Brandbekämpfung beispielsweise in einer strichpunktiert angedeuteten Tunnelröhre 1 weist einzelnen Längsabschnitten der Tunnelröhre 1 zugeordnete, jeweils für sich über Anschlussventile 2 ansteuerbare Gruppen 3 von Düsen 4 zum Zerstäuben einer Löschflüssigkeit, üblicherweise Löschwasser auf. Die Löschflüssigkeit wird mit Hilfe einer durch einen Motor 5 angetriebenen Pumpe 6 aus einem Behälter 7 angesaugt und über eine in herkömmlicher Art z. B. im Deckenbereich der Tunnelröhre 1 verlegte Druckleitung 8 zu den Düsen 4 gefördert. Die Ansteuerung der Düsengruppen 3 über die Anschlussventile 2 erfolgt in bekannter Weise in Abhängigkeit vom Ansprechen entsprechender Brandmelder, was aus Übersichtlichkeitsgründen nicht dargestellt ist.The illustrated plant for firefighting, for example, in a dash-dotted line indicated tunnel tube 1 has individual longitudinal sections of the tunnel tube 1 associated, in each case via terminal valves 2 controllable groups 3 of nozzles 4 for atomizing a quenching liquid, usually extinguishing water. The extinguishing liquid is sucked by means of a driven by a motor 5 pump 6 from a container 7 and a conventional manner z. B. conveyed in the ceiling region of the tunnel tube 1 pressure line 8 to the nozzles 4. The control of the nozzle groups 3 via the connection valves 2 takes place in a known manner as a function of the response of corresponding fire detectors, which is not shown for reasons of clarity.

Um der Löschflüssigkeit ein Zusatzmittel, beispielsweise ein Netz- oder Schaummittel zumischen zu können, ist parallel zur Druckleitung 8 eine Speiseleitung 9 für das Zusatzmittel verlegt, die über eine Förderpumpe 10 an einen Vorratsbehälter 11 für das Zusatzmittel angeschlossen ist. In Strömungsrichtung der Löschflüssigkeit vor den Anschlussventilen 2 ist jeweils eine die Speiseleitung 9 mit der Druckleitung 8 verbindende Abzweigleitung 12 mit einem Steuerventil 13 vorgesehen, das im Bedarfsfall über einen Stelltrieb 14 angesteuert werden kann, sodass Zusatzmittel aus der Speiseleitung 9 in die Druckleitung für die Löschflüssigkeit gepumpt wird. Da aufgrund der Anordnung der Zweigleitungen 12 unmittelbar vor den Anschlussventilen 2 das Zusatzmittel unmittelbar vor dem Löschflüssigkeitszulauf zu der angesteuerten Düsengruppe 3 in die Druckleitung 8 für das Löschmittel eingespeist wird, steht die mit dem Zusatzmittel versetzte Löschflüssigkeit nach der Ansteuerung einer Düsengruppe 3 mit einer nur geringen, von der Förderstrecke der Löschflüssigkeit zwischen dem Anschluss der vorgeordneten Abzweigleitung 12 und der angesteuerten Düsengruppe 3 abhängigen Verzögerung zur Verfügung.In order to mix the extinguishing liquid an additive, such as a wetting or foaming agent, a feed line 9 is laid for the additive parallel to the pressure line 8, which is connected via a feed pump 10 to a reservoir 11 for the additive. In the flow direction of the extinguishing liquid in front of the connection valves 2, a feed line 9 to the pressure line 8 connecting branch line 12 is provided with a control valve 13 which can be controlled via an actuator 14, if necessary, so that additive from the feed line 9 in the pressure line for the extinguishing liquid is pumped. Since, due to the arrangement of the branch lines 12 immediately before the connection valves 2, the additive is fed immediately before the extinguishing liquid inlet to the controlled nozzle group 3 in the pressure line 8 for the extinguishing agent, which is With the additive added extinguishing liquid after the activation of a nozzle group 3 with only a small, dependent on the conveying path of the extinguishing liquid between the connection of the upstream branch line 12 and the driven nozzle group 3 delay available.

Damit ein vorgegebenes Mischungsverhältnis zwischen der Löschflüssigkeit und dem Zusatzmittel sichergestellt werden kann, kann der Pumpenmotor 15 für die Förderpumpe 10 in der Speiseleitung 9 in Abhängigkeit von der Durchflussmenge der Löschflüssigkeit in der Druckleitung 8 angesteuert werden. Zu diesem Zweck sind in der Druckleitung 8 ein Geber 16 für die Durchflussmenge der Löschflüssigkeit und eine Steuereinrichtung 17 für den Pumpenmotor 15 vorgesehen. In Abhängigkeit vom Messsignal des Gebers 16 kann somit die Förderpumpe 10 für das Zusatzmittel so angesteuert werden, dass beim Zudosieren des Zusatzmittels zur Löschflüssigkeit durch die jeweilige Abzweigleitung 12 ein vorgegebenes Mischungsverhältnis zwischen der Löschflüssigkeit und dem Zusatzmittel eingehalten wird. Das vorgegebene Mischungsverhältnis zwischen der Löschflüssigkeit und dem Zusatzmittel kann auch dadurch sichergestellt werden, dass die Förderpumpe 10 in der Speiseleitung 9 durch einen hydraulischen Pumpenmotor der in der Druckleitung 8 eingebaut ist angetrieben wird, welcher seinerseits durch die durchfließende Löschflüssigkeit in der Druckleitung 8 angetrieben wird. Bei Veränderung der Durchflussmenge in der Druckleitung 8 verändert sich somit die Durchflussmenge in der Speiseleitung 9 im vorgegebenen Mischungsverhältnis.So that a predetermined mixing ratio between the extinguishing liquid and the additive can be ensured, the pump motor 15 for the delivery pump 10 in the supply line 9 can be controlled as a function of the flow rate of the extinguishing liquid in the pressure line 8. For this purpose, an encoder 16 for the flow rate of the extinguishing liquid and a control device 17 for the pump motor 15 are provided in the pressure line 8. Depending on the measuring signal of the encoder 16, the feed pump 10 for the additive can thus be controlled so that when metering the additive to the extinguishing liquid through the respective branch line 12, a predetermined mixing ratio between the extinguishing liquid and the additive is maintained. The predetermined mixing ratio between the extinguishing liquid and the additive can also be ensured that the feed pump 10 is driven in the feed line 9 by a hydraulic pump motor which is installed in the pressure line 8, which in turn is driven by the flowing through extinguishing liquid in the pressure line 8. When changing the flow rate in the pressure line 8 thus changes the flow rate in the feed line 9 in the predetermined mixing ratio.

Claims (2)

  1. Installation for fighting fire, having a pump (6) which draws in an extinguishing liquid from a container (7) and which is connected via a pressure line (8) to nozzles (4), which can be actuated individually or in groups, for distribution of the extinguishing liquid over an area where a fire is being fought, and having a feed line (9), which is attached to the pressure line (8) for the extinguishing liquid, for feeding an additive stored in a storage container (11) into the stream of extinguishing liquid, characterised in that the feed line (9) for the additive, which is provided with a delivery pump (10), is laid in parallel with the pressure line (8) for the extinguishing liquid and is attached to this pressure line (8) in each case upstream of the nozzles (4), which can be actuated individually or in groups, via branch lines (12) provided with control valves (13).
  2. Installation as claimed in claim 1, characterised in that the delivery pump (10) in the feed line (9) for the additive can be actuated in dependence upon the through-flow quantity of the extinguishing liquid in the pressure line (8).
EP09450033.7A 2008-02-15 2009-02-12 Installation for fighting fire Active EP2090336B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT2472008A AT505919B8 (en) 2008-02-15 2008-02-15 ANNEX TO FIRE FIGHTING

Publications (2)

Publication Number Publication Date
EP2090336A1 EP2090336A1 (en) 2009-08-19
EP2090336B1 true EP2090336B1 (en) 2016-04-27

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EP09450033.7A Active EP2090336B1 (en) 2008-02-15 2009-02-12 Installation for fighting fire

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EP (1) EP2090336B1 (en)
AT (1) AT505919B8 (en)
DK (1) DK2090336T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011111525A1 (en) * 2011-08-31 2013-02-28 Fogtec Brandschutz Gmbh & Co. Kg Fire fighting in tunnels

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370766A (en) * 2001-01-09 2002-07-10 Kidde Plc Fire and explosion suppression system and method generating a fine mist of liquid suppressant entrained in inert gas
US6886639B2 (en) 2003-08-29 2005-05-03 Hypro Corporation High flow foam system for fire fighting applications
DE102004037627A1 (en) * 2004-08-02 2006-03-16 Pas-Herzog Engineering & Fireprotection Gmbh & Co. Kg Extinguishing system and method for reducing and / or preventing the spread of smoke and / or fire
DE102005043213B4 (en) * 2005-09-09 2008-04-03 Minimax Gmbh & Co. Kg Sprinkler system for frost-prone areas

Also Published As

Publication number Publication date
AT505919A4 (en) 2009-05-15
AT505919B8 (en) 2009-06-15
AT505919B1 (en) 2009-05-15
DK2090336T3 (en) 2016-08-01
EP2090336A1 (en) 2009-08-19

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