EP1116499B1 - Fire extinguishing plant with pressurized extinguishing gas - Google Patents

Fire extinguishing plant with pressurized extinguishing gas Download PDF

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Publication number
EP1116499B1
EP1116499B1 EP00128687A EP00128687A EP1116499B1 EP 1116499 B1 EP1116499 B1 EP 1116499B1 EP 00128687 A EP00128687 A EP 00128687A EP 00128687 A EP00128687 A EP 00128687A EP 1116499 B1 EP1116499 B1 EP 1116499B1
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EP
European Patent Office
Prior art keywords
pressure
extinguishing
quick
bar
fire extinguishing
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EP00128687A
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German (de)
French (fr)
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EP1116499A1 (en
Inventor
Ulf Dr. Schremmer
Werner Schmidt
Norbert Büll
Stephan Schöttler
Wolfgang Melchior
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Total Walther GmbH Feuerschutz und Sicherheit
Total Feuerschutz GmbH
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Total Walther GmbH Feuerschutz und Sicherheit
Total Feuerschutz GmbH
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    • 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
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/62—Pipe-line systems dry, i.e. empty of extinguishing material when not in use
    • 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

Definitions

  • the innovation relates to a gas high-pressure fire extinguishing system, in which the gaseous extinguishing agent is stored under high pressure in one or more gas cylinders, each gas cylinder is provided with a quick opening valve.
  • EP 0 666 087 A1 describes a fire extinguishing system with a bottle battery comprising a plurality of high-pressure gas cylinders.
  • the first bottle of the bottle battery is designed as a pilot or pilot bottle and is set up so that it opens the successor bottles with its gas.
  • the successor bottles are each provided with a directly controlled piston valve, wherein the control line emanating from the control valve opens in branch lines to the following bottle valves or into a manifold. From the cylinder valves discharge lines are each led to the manifold. Pressure reducing devices are not available.
  • High-pressure fire extinguishing systems are currently operated with an extinguishing agent stored at 200 bar in high-pressure gas cylinders.
  • the storage of the extinguishing agent under high pressure takes place for economic reasons.
  • High-pressure gas cylinders for an extinguishing system require less space than an extinguishing system with low-pressure gas cylinders. Such is for example with m 2 basis prices of DM 6,000, - and more in office towers each saved m 2 a profit.
  • the number of bottles, compared to the low-pressure gas cylinders can be significantly reduced. With fewer gas cylinders, transportation, installation and maintenance costs are significantly reduced.
  • extinguishing nozzles with a gaseous extinguishing agent at a pressure of 200 bar is uneconomical and also dangerous if the extinguishing agent exits the extinguishing nozzles with the high pressure.
  • the extinguishing agent was reduced behind the header pipe to a pressure of 60 bar or less. This also made the pipe network and extinguishing nozzles more economical.
  • test pressure of 750 bar is required for safety reasons, in particular cause the plant parts of the quick-opening valve up to and including the operating pressure reducing device in the production of high costs.
  • the innovation is based on the object to convert the storage of the gaseous extinguishing agent by the use of very simple means of 200 bar to 300 bar in a gas high-pressure fire extinguishing system.
  • This object is achieved in that an additional upstream pressure reducing device is provided between the quick-opening valve and the manifold.
  • the high-pressure mass discharge from a high-pressure gas cylinder to a low-level system pressure is minimized by the additional early pressure reducing device immediately after the quick-opening valve. So becomes the For example, the gas pressure in the first stage is reduced from 300 bar to 200 bar and the quenching gas enters the high-pressure manifold at this reduced pressure. In the pressure reducing device, the gas pressure is reduced from 200 bar to 60 bar or less in the second stage. From the manifold, the previous "200 bar - technology" can be used without modification, but with the exception that an additional safety device for pressures above 240 bar to install.
  • a guided to the outside extension pipe is preferably provided at the end facing away from the extinguishing nozzle, in which a safety device, such as a rupture disk or a safety valve, is installed.
  • This safety device must be sufficiently dimensioned to ensure that in case of failure, the gas mass flow safely reaches the outside. The resulting radiance can still by atomization, redirection or the like. be minimized.
  • the early additional pressure reduction can be done immediately after the quick opening valve or immediately before the manifold. This pressure reduction takes place by a change in cross section by means of a throttle plate with a bore of preferably 10 mm in diameter. This calculated hole is adapted to the extinguishing system adapted to the purpose.
  • the early pressure reduction by means of one of the throttling devices has the further advantage that it dispenses with the high-pressure manifold in a single-range fire extinguishing system and for a low-pressure manifold can be used. Because in this case, the pressure reduction takes place before the manifold from 200 bar to 60 bar or less. For this pressure, a high-pressure manifold is not required. As a result, The extinguishing agent can be performed without further pressure reduction directly to the extinguishing nozzles.
  • the previously known gas high pressure fire extinguishing systems are operated with a so-called "200 bar - technology".
  • the gas cylinders for the extinguishing agent are filled with a gas pressure of 200 bar.
  • the quick-opening valves, the connecting hoses, the manifold and the distributor lines with the range valves, including the pressure reducing device had to be designed costly for an operating pressure of 240 bar and a test pressure of 750 bar.
  • the gas cylinders 2 to 4 of the multi-zone system 1 with the quick-opening valves 5 to 7 are filled with a gas pressure of 300 bar.
  • Either the quick-opening valves 5 to 7 are provided with pressure reducing means 25 to 27 or the high-pressure collecting pipe 11 with pressure reducing means 28 to 30. Only one of the two pressure reducing devices, ie 25 or 28 - see Figure 2, is installed.
  • the quick-opening valves 5-7 are connected to the manifold 11.
  • Distributor lines 12 to 14 to the multi-port valves 15 to 17 with the pressure reducing devices 18 to 20 and the extinguishing lines 21 to 23 with the extinguishing nozzles 24 adjoin the manifold 11.
  • a guided through the hall roof 41 in the open extension line 38 is connected, in which a disc holder 40 is installed with a rupture disc 39 as a safety device.
  • the quick-opening valves 5 to 7 are described using the example of the quick-opening valve 5 according to FIG.
  • the quick-opening valve 5 consists of a valve body 43 which is screwed by means of a lower threaded bore 44 on the neck 45 of the gas cylinder 2.
  • a control piston 46 with a piston plate 47 and a sealing plate 48 with seal 49 is installed inside the valve body 43.
  • springs 50 By means of springs 50, the sealing plate 48 is pressed against the seal 49 and thus the quick-opening valve 5 is kept closed.
  • a Upper inlet opening 51 is closed by means of a valve cap 52 with connecting piece 53 for a control line 55.
  • an outlet bore 54 is provided for the extinguishing agent in the valve body 43, which merges into a nozzle 31.
  • a throttle plate 33 is installed with a bore.
  • the connecting hose 8 is connected to the quick-opening valve 5.
  • the above-described parts 31, 33 and 35 form the throttle device 25.
  • the throttle device 28 is connected to the high-pressure manifold 11 and consists of the nozzle 32 and the connector 36 for attaching the other end of the connecting tube 8.
  • In the nozzle 32 is a bore provided with a throttle disk 34 and a check valve 42 installed.
  • a fire alarm panel (BMZ) 56 is provided, to which on the one hand from a fire detector 58 outgoing control line 57 and on the other hand connected to the quick opening valve 5 control line 55 are connected.
  • the gaseous extinguishing agent is stored at 300 bar in the gas cylinders 2 to 4.
  • the quick opening valves 5 are closed.
  • the fire alarm 58, the BMZ 56 is controlled and exerted from there via the control line 55, a pressure on the piston plate 47 of one or more quick-opening valves 5-7. Consequently, the piston plate 47 is pressed after overcoming the spring pressure of the spring 50 down and thus open the controlled quick-opening valve 5-7.
  • the extinguishing agent - depending on which throttle device is installed flows either through the throttle device 25 or 28, wherein it is reduced to 200 bar, into the manifold 11th and on to the pressure reducers 18-20.
  • the pressure of the extinguishing agent is reduced a second time to 60 bar or less. With this pressure, the extinguishing agent passes through the low pressure pipe network 21-23 to the extinguishing nozzles 24th
  • the distribution lines 13, 14 with the area valves 16, 17, the pressure reduction devices 19, 20 and the extinguishing lines 22, 23 with the extinguishing nozzles 24 are omitted.
  • the extinguishing agent is removed from the high-pressure collecting pipe 11 only via the distribution line 12 with the range valve 15 and the pressure reducing device 18 through the discharge line 21 to the extinguishing nozzles 24 out.
  • the manifold 11 can be formed as compared to the previous systems as low-pressure manifold, the pressure reducing means 25 reduces the pressure of the gaseous extinguishing agent from 200 bar to 60 bar or less. In this case eliminates the costly high-pressure pressure reducing device 18 and the expensive high-pressure manifold.

Abstract

Gas high-pressure fire-extinguishing equipment (1) comprises a gaseous extinguishing agent stored under high pressure in at least one gas bottle (2-4) provided with a quick-opening valve (5-7) connected to a collecting pipe (11) from which one or more range valves (15-17) with operating-pressure-reducing devices (18-20) lead to fire-extinguishing lines (21-23) with fire-extinguishing nozzles (24). A further pressure-reducing device (25, 28) is arranged between at least one quick-opening valve and the operating-pressure-reducing devices.

Description

Die Neuerung betrifft eine Gas-Hochdruck-Feuerlöschanlage, bei der das gasförmige Löschmittel unter hohem Druck in einer oder mehreren Gasflaschen gelagert ist, wobei jede Gasflasche mit einem Schnellöffnungsventil versehen ist.The innovation relates to a gas high-pressure fire extinguishing system, in which the gaseous extinguishing agent is stored under high pressure in one or more gas cylinders, each gas cylinder is provided with a quick opening valve.

In EP 0 666 087 A1 ist eine Feuerlöschanlage mit einer Flaschenbatterie aus mehreren Hochdruck-Gasflaschen beschrieben. Die erste Flasche der Flaschenbatterie ist als Steuer- oder Pilotflasche ausgebildet und so eingerichtet, dass sie mit ihrem Gas die Nachfolgeflaschen öffnet. Die Nachfolgeflaschen sind jeweils mit einem direkt gesteuerten Kolbenventil versehen, wobei die vom Steuerventil ausgehende Steuerleitung in Zweigleitungen zu den Folgeflaschenventilen oder in eine Sammelleitung mündet. Von den Flaschenventilen sind jeweils Abführleitungen zu der Sammelleitung geführt. Druckreduziereinrichtungen sind nicht vorhanden.EP 0 666 087 A1 describes a fire extinguishing system with a bottle battery comprising a plurality of high-pressure gas cylinders. The first bottle of the bottle battery is designed as a pilot or pilot bottle and is set up so that it opens the successor bottles with its gas. The successor bottles are each provided with a directly controlled piston valve, wherein the control line emanating from the control valve opens in branch lines to the following bottle valves or into a manifold. From the cylinder valves discharge lines are each led to the manifold. Pressure reducing devices are not available.

Hochdruck-Feuerlöschanlagen werden bisher mit einem mit 200 bar in Hochdruck-Gasflaschen gelagerten Löschmittel betrieben. Die Bevorratung des Löschmittels unter hohem Druck erfolgt aus wirtschaftlichen Gründen. Hochdruck-Gasflaschen für eine Löschanlage benötigen einen geringeren Platzbedarf gegenüber einer Löschanlage mit Niederdruck-Gasflaschen. So ist beispielsweise bei m2-Grundflächenpreisen von DM 6.000,- und mehr in Bürohochhäuser jeder eingesparte m2 ein Gewinn. Beim Einsatz von Hochdruck-Gasflaschen kann die Anzahl der Flaschen, gegenüber den Niederdruck-Gasflaschen, wesentlich verringert werden. Mit weniger Gasflaschen werden die Transport-, Montage- und Wartungskosten erheblich geringer.High-pressure fire extinguishing systems are currently operated with an extinguishing agent stored at 200 bar in high-pressure gas cylinders. The storage of the extinguishing agent under high pressure takes place for economic reasons. High-pressure gas cylinders for an extinguishing system require less space than an extinguishing system with low-pressure gas cylinders. Such is for example with m 2 basis prices of DM 6,000, - and more in office towers each saved m 2 a profit. When using high-pressure gas cylinders, the number of bottles, compared to the low-pressure gas cylinders, can be significantly reduced. With fewer gas cylinders, transportation, installation and maintenance costs are significantly reduced.

Löschdüsen mit einem gasförmigen Löschmittel mit einem Druck von 200 bar zu beaufschlagen ist unwirtschaftlich und auch gefährlich, wenn das Löschmittel mit dem hohen Druck aus den Löschdüsen austritt. Um diese Nachteile zu vermeiden, wurde das Löschmittel hinter dem Sammlerohr auf einen Druck von 60 bar oder weniger reduziert. Dadurch konnte auch das Rohrnetz und die Löschdüsen wirtschaftlicher hergestellt werden.To apply extinguishing nozzles with a gaseous extinguishing agent at a pressure of 200 bar is uneconomical and also dangerous if the extinguishing agent exits the extinguishing nozzles with the high pressure. To avoid these disadvantages, the extinguishing agent was reduced behind the header pipe to a pressure of 60 bar or less. This also made the pipe network and extinguishing nozzles more economical.

Weil aus Sicherheitsgründen ein Prüfdruck von 750 bar verlangt wird, verursachen insbesondere die Anlagenteile vom Schnellöffnungsventil bis einschließlich zur Betriebs-druckreduziereinrichtung bei der Herstellung hohe Kosten.Because a test pressure of 750 bar is required for safety reasons, in particular cause the plant parts of the quick-opening valve up to and including the operating pressure reducing device in the production of high costs.

Der Neuerung liegt die Aufgabe zugrunde, bei einer Gas-Hochdruck-Feuerlöschanlage die Bevorratung des gasförmigen Löschmittels durch den Einsatz von einfachsten Mitteln von 200 bar auf 300 bar umzustellen.The innovation is based on the object to convert the storage of the gaseous extinguishing agent by the use of very simple means of 200 bar to 300 bar in a gas high-pressure fire extinguishing system.

Diese Aufgabe wird dadurch gelöst, daß zwischen dem Schnellöffnungsventil und dem Sammelrohr eine vorgeschaltete weitere Druckreduziereinrichtung vorgesehen ist.This object is achieved in that an additional upstream pressure reducing device is provided between the quick-opening valve and the manifold.

Mit dieser Maßnahme wird durch die zusätzliche frühe Druckreduziereinrichtung unmittelbar hinter dem Schnellöffnungsventil der Hochdruck-Massenaustrag aus einer Hochdruck-Gasflasche auf einen Systemdruck niedriger Stufe minimiert. So wird zum Beispiel der Gasdruck in der ersten Stufe von 300 bar auf 200 bar reduziert und das Löschgas tritt mit diesem reduzierten Druck in das Hochdruck-Sammelrohr ein. In der Druckreduziereinrichtung wird in der zweiten Stufe der Gasdruck von 200 bar auf 60 bar oder weniger reduziert. Ab dem Sammelrohr kann die bisherige "200 bar - Technik" ohne Veränderung verwendet werden, jedoch mit der Ausnahme, daß eine zusätzliche Sicherheitseinrichtung für Drücke über 240 bar zu installieren ist. Zu diesem Zweck ist vorzugsweise an dem den Löschdüsen abgewandten Ende des Sammelrohres eine ins Freie geführte Verlängerungsleitung vorgesehen, in die eine Sicherheitseinrichtung, wie eine Berstscheibe oder ein Sicherheitsventil, eingebaut ist. Diese Sicherheitseinrichtung muß ausreichend dimensioniert sein, um sicherzustellen, daß im Störfall der Gasmassenstrom mit Sicherheit ins Freie gelangt. Die sich ergebende Strahlkraft kann noch durch Zerstäubung, Umleitung od.dgl. minimiert werden.With this measure, the high-pressure mass discharge from a high-pressure gas cylinder to a low-level system pressure is minimized by the additional early pressure reducing device immediately after the quick-opening valve. So becomes the For example, the gas pressure in the first stage is reduced from 300 bar to 200 bar and the quenching gas enters the high-pressure manifold at this reduced pressure. In the pressure reducing device, the gas pressure is reduced from 200 bar to 60 bar or less in the second stage. From the manifold, the previous "200 bar - technology" can be used without modification, but with the exception that an additional safety device for pressures above 240 bar to install. For this purpose, a guided to the outside extension pipe is preferably provided at the end facing away from the extinguishing nozzle, in which a safety device, such as a rupture disk or a safety valve, is installed. This safety device must be sufficiently dimensioned to ensure that in case of failure, the gas mass flow safely reaches the outside. The resulting radiance can still by atomization, redirection or the like. be minimized.

Die frühe zusätzliche Druckreduzierung kann unmittelbar hinter dem Schnellöffnungsventil oder unmittelbar vor dem Sammelrohr vorgenommen werden. Diese Druckreduzierung erfolgt durch eine Querschnittsveränderung mittels einer Drosselscheibe mit einer Bohrung von vorzugsweise 10 mm Durchmesser. Diese berechnete Bohrung ist der Löschanlage nach Einsatzzweck angepaßt ausgelegt.The early additional pressure reduction can be done immediately after the quick opening valve or immediately before the manifold. This pressure reduction takes place by a change in cross section by means of a throttle plate with a bore of preferably 10 mm in diameter. This calculated hole is adapted to the extinguishing system adapted to the purpose.

Die frühe Druckreduzierung mittels einer der Drosseleinrichtungen hat den weiteren Vorteil, daß bei einer Einbereichs-Feuerlöschanlage auf das Hochdruck-Sammelrohr verzichtet und dafür ein Niederdruck-Sammelrohr eingesetzt werden kann. Denn in diesem Fall erfolgt die Druckreduzierung bereits vor dem Sammelrohr von 200 bar auf 60 bar oder weniger. Für diesen Druck ist ein Hochdruck-Sammelrohr nicht erforderlich. Demzufolge kann das Löschmittel ohne weitere Druckreduzierung direkt zu den Löschdüsen geführt werden.The early pressure reduction by means of one of the throttling devices has the further advantage that it dispenses with the high-pressure manifold in a single-range fire extinguishing system and for a low-pressure manifold can be used. Because in this case, the pressure reduction takes place before the manifold from 200 bar to 60 bar or less. For this pressure, a high-pressure manifold is not required. As a result, The extinguishing agent can be performed without further pressure reduction directly to the extinguishing nozzles.

Aufgrund der Druckreduzierung unmittelbar hinter dem Schnellöffnungsventil können vorhandene Niederdruck-Feuerlöschanlagen ohne große Umstellung auf Hochdruck-Feuerlöschanlagen umgerüstet werden.Due to the reduction in pressure immediately behind the quick-opening valve, existing low-pressure fire extinguishing systems can be converted to high-pressure fire extinguishing systems without a major changeover.

Die Neuerung ist nachfolgend in einem Ausführungsbeispiel für eine Mehrbereits-Feuerlöschanlage mit mehreren Gasflaschen näher erläutert.The innovation is explained in more detail below in an embodiment of a Mehrbereits fire extinguishing system with multiple gas cylinders.

Es zeigt:

Fig. 1
die Mehrbereichs-Feuerlöschanlage;
Fig. 2
eine vergrößerte Darstellung des Schnellöffnungsventils und der zusätzlichen Druckreduziereinrichtung. -.
It shows:
Fig. 1
the multigrade fire extinguishing system;
Fig. 2
an enlarged view of the quick-opening valve and the additional pressure reducing device. -.

Stand der TechnikState of the art

Die bisher bekannten Gas-Hochdruck-Feuerlöschanlagen werden mit einer sogenannten "200 bar - Technik" betrieben. Hierbei sind die Gasflaschen für das Löschmittel mit einem Gasdruck von 200 bar gefüllt. Aus diesem Grund mußten die Schnellöffnungsventile, die Anschlußschläuche, das Sammelrohr und die Verteilerleitungen mit den Bereichsventilen, einschließlich der Druckreduziereinrichtung kostenaufwendig für einen Betriebsdruck von 240 bar und einem Prüfdruck von 750 bar ausgelegt werden. Die Druckreduziereinrichtungen reduzierten den Druck auf <= 60 bar.The previously known gas high pressure fire extinguishing systems are operated with a so-called "200 bar - technology". Here, the gas cylinders for the extinguishing agent are filled with a gas pressure of 200 bar. For this reason, the quick-opening valves, the connecting hoses, the manifold and the distributor lines with the range valves, including the pressure reducing device, had to be designed costly for an operating pressure of 240 bar and a test pressure of 750 bar. The pressure reducing devices reduced the pressure to <= 60 bar.

Die "200 bar - Technik" wird neuerungsgemäß beibehalten, obwohl neuerungsgemäß mit einem Flaschendruck von 300 bar gearbeitet wird.The "200 bar - technology" is maintained according to the original, although renewed with a cylinder pressure of 300 bar is worked.

Mehrbereichs-Feuerlöschanlage nach Figur 1Multi-range fire extinguishing system according to FIG. 1

Die Gasflaschen 2 bis 4 der Mehrbereichs-Anlage 1 mit den Schnellöffnungsventilen 5 bis 7 sind mit einem Gasdruck von 300 bar gefüllt. Entweder sind die Schnellöffnungsventile 5 bis 7 mit Druckreduziereinrichtungen 25 bis 27 oder das Hochdruck-Sammelrohr 11 mit Druckreduziereinrichtungen 28 bis 30 versehen. Nur eine der beiden Druckreduziereinrichtungen, also 25 oder 28 - siehe Figur 2, wird eingebaut. Über Anschlußschläuche 8 bis 10 sind die Schnellöffnungsventile 5-7 mit dem Sammelrohr 11 verbunden. An das Sammelrohr 11 schließen sich Verteilerleitungen 12 bis 14 zu den Mehrbereichs-Ventilen 15 bis 17 mit den Druckreduziereinrichtungen 18 bis 20 und die Löschleitungen 21 bis 23 mit den Löschdüsen 24 an. Am anderen Ende des Sammelrohres 11 ist eine durch das Hallendach 41 in's Freie geführte Verlängerungsleitung 38 angeschlossen, in die eine Scheibenhalterung 40 mit einer Berstscheibe 39 als Sicherheitseinrichtung eingebaut ist.The gas cylinders 2 to 4 of the multi-zone system 1 with the quick-opening valves 5 to 7 are filled with a gas pressure of 300 bar. Either the quick-opening valves 5 to 7 are provided with pressure reducing means 25 to 27 or the high-pressure collecting pipe 11 with pressure reducing means 28 to 30. Only one of the two pressure reducing devices, ie 25 or 28 - see Figure 2, is installed. About connecting hoses 8 to 10, the quick-opening valves 5-7 are connected to the manifold 11. Distributor lines 12 to 14 to the multi-port valves 15 to 17 with the pressure reducing devices 18 to 20 and the extinguishing lines 21 to 23 with the extinguishing nozzles 24 adjoin the manifold 11. At the other end of the manifold 11, a guided through the hall roof 41 in the open extension line 38 is connected, in which a disc holder 40 is installed with a rupture disc 39 as a safety device.

Die Schnellöffnungsventile 5 bis 7 werden am Beispiel des Schnellöffnungsventils 5 gemäß Figur 2 beschrieben.The quick-opening valves 5 to 7 are described using the example of the quick-opening valve 5 according to FIG.

Das Schnellöffnungsventil 5 besteht aus einem Ventilkörper 43, der mittels einer unteren Gewindebohrung 44 auf den Hals 45 der Gasflasche 2 aufgeschraubt ist. Ein Steuerkolben 46 mit einer Kolbenplatte 47 und einer Dichtungsplatte 48 mit Dichtung 49 ist innerhalb des Ventilkörpers 43 eingebaut. Mittels Federn 50 wird die Dichtplatte 48 gegen die Dichtung 49 gedrückt und damit das Schnellöffnungsventil 5 geschlossen gehalten. Eine obere Eintrittsöffnung 51 ist mittels einer Ventilkappe 52 mit Anschlußstutzen 53 für eine Steuerleitung 55 verschlossen. Zwischen der Kolbenplatte 47 und der Dichtplatte 48 ist im Ventilkörper 43 eine Austrittsbohrung 54 für das Löschmittel vorgesehen, die in einen Stutzen 31 übergeht. Innerhalb des Stutzens 31 ist eine Drosselscheibe 33 mit einer Bohrung eingebaut. Mittels eines Verbindungsstückes 35 als Rückflußverhinderer ist der Anschlußschlauch 8 an das Schnellöffnungsventil 5 angeschlossen. Die zuvor beschriebenen Teile 31, 33 und 35 bilden die Drosseleinrichtung 25. Die Drosseleinrichtung 28 ist mit dem Hochdruck-Sammelrohr 11 verbunden und besteht aus dem Stutzen 32 und dem Verbindungsstück 36 für das Anbringen des anderen Ende des Anschlußschlauches 8. In den Stutzen 32 ist eine mit einer Bohrung versehene Drosselscheibe 34 und eine Rückschlagklappe 42 eingebaut.The quick-opening valve 5 consists of a valve body 43 which is screwed by means of a lower threaded bore 44 on the neck 45 of the gas cylinder 2. A control piston 46 with a piston plate 47 and a sealing plate 48 with seal 49 is installed inside the valve body 43. By means of springs 50, the sealing plate 48 is pressed against the seal 49 and thus the quick-opening valve 5 is kept closed. A Upper inlet opening 51 is closed by means of a valve cap 52 with connecting piece 53 for a control line 55. Between the piston plate 47 and the sealing plate 48, an outlet bore 54 is provided for the extinguishing agent in the valve body 43, which merges into a nozzle 31. Within the nozzle 31, a throttle plate 33 is installed with a bore. By means of a connecting piece 35 as a backflow preventer, the connecting hose 8 is connected to the quick-opening valve 5. The above-described parts 31, 33 and 35 form the throttle device 25. The throttle device 28 is connected to the high-pressure manifold 11 and consists of the nozzle 32 and the connector 36 for attaching the other end of the connecting tube 8. In the nozzle 32 is a bore provided with a throttle disk 34 and a check valve 42 installed.

Für die Steuerung der Feuerlöschanlage 1 ist eine Brandmeldezentrale (BMZ) 56 vorgesehen, an die einerseits eine von einem Brandmelder 58 ausgehende Steuerleitung 57 und andererseits eine zu dem Schnellöffnungsventil 5 geführte Steuerleitung 55 angeschlossen sind.For the control of the fire extinguishing system 1, a fire alarm panel (BMZ) 56 is provided, to which on the one hand from a fire detector 58 outgoing control line 57 and on the other hand connected to the quick opening valve 5 control line 55 are connected.

Das gasförmige Löschmittel ist mit 300 bar in den Gasflaschen 2 bis 4 bevorratet. Die Schnellöffnungsventile 5 sind geschlossen. Im Brandfalle wird über den Brandmelder 58 die BMZ 56 angesteuert und von dort über die Steuerleitung 55 ein Druck auf die Kolbenplatte 47 eines oder mehrerer Schnellöffnungsventile 5-7 ausgeübt. Demzufolge wird die Kolbenplatte 47 nach Überwindung des Federdruckes der Feder 50 nach unten gedrückt und damit das angesteuerte Schnellöffnungsventil 5-7 geöffnet. Jetzt fließt das Löschmittel - jenachdem welche Drosseleinrichtung eingebaut ist - entweder durch die Drosseleinrichtung 25 oder 28, wobei es auf 200 bar reduziert wird, in das Sammelrohr 11 und weiter zu den Druckreduziereinrichtungen 18 -20. Hier wird der Druck des Löschmittels ein zweites Mal auf 60 bar oder weniger reduziert. Mit diesem Druck gelangt das Löschmittel über das Niederdruck-Rohrnetz 21-23 zu den Löschdüsen 24.The gaseous extinguishing agent is stored at 300 bar in the gas cylinders 2 to 4. The quick opening valves 5 are closed. In case of fire, the fire alarm 58, the BMZ 56 is controlled and exerted from there via the control line 55, a pressure on the piston plate 47 of one or more quick-opening valves 5-7. Consequently, the piston plate 47 is pressed after overcoming the spring pressure of the spring 50 down and thus open the controlled quick-opening valve 5-7. Now the extinguishing agent - depending on which throttle device is installed - flows either through the throttle device 25 or 28, wherein it is reduced to 200 bar, into the manifold 11th and on to the pressure reducers 18-20. Here, the pressure of the extinguishing agent is reduced a second time to 60 bar or less. With this pressure, the extinguishing agent passes through the low pressure pipe network 21-23 to the extinguishing nozzles 24th

Einbereichs-Löschanlage mit mehreren GasflaschenSingle-zone extinguishing system with several gas cylinders

Bei einer "300 bar Einbereichs-Löschanlage" entfallen die Verteilerleitungen 13,14 mit den Bereichsventilen 16,17, den Druckreduziereinrichtungen 19,20 und die Löschleitungen 22,23 mit den Löschdüsen 24. In diesem Falle wird das Löschmittel aus dem Hochdruck-Sammelrohr 11 nur über die Verteilerleitung 12 mit dem Bereichsventil 15 und der Druckreduziereinrichtung 18 durch die Löschleitung 21 zu den Löschdüsen 24 geführt.In the case of a "300 bar single-zone extinguishing system", the distribution lines 13, 14 with the area valves 16, 17, the pressure reduction devices 19, 20 and the extinguishing lines 22, 23 with the extinguishing nozzles 24 are omitted. In this case, the extinguishing agent is removed from the high-pressure collecting pipe 11 only via the distribution line 12 with the range valve 15 and the pressure reducing device 18 through the discharge line 21 to the extinguishing nozzles 24 out.

Einbereichs-Löschanlage mit einer oder mehreren GasflaschenSingle-zone extinguishing system with one or more gas cylinders

Bei einer "200 bar Einbereichs-Löschanlage" kann das Sammelrohr 11 gegenüber den bisherigen Anlagen als Niederdruck-Sammelrohr ausgebildet werden, wobei die Druckreduziereinrichtung 25 den Druck des gasförmigen Löschmittels von 200 bar auf 60 bar oder weniger reduziert. In diesem Fall entfällt die kostenaufwendige Hochdruck-Druckreduziereinrichtung 18 und das teuere Hochdruck-Sammelrohr. In a "200 bar single-range extinguishing system", the manifold 11 can be formed as compared to the previous systems as low-pressure manifold, the pressure reducing means 25 reduces the pressure of the gaseous extinguishing agent from 200 bar to 60 bar or less. In this case eliminates the costly high-pressure pressure reducing device 18 and the expensive high-pressure manifold.

Claims (8)

  1. A fire extinguishing installation with high-pressure gas, wherein the gaseous extinguishing agent is stored under high pressure in at least one gas bottle (2-4), each gas bottle being provided with a quick-release valve (5-7) and all quick-release valves being connected to a collecting pipe (11), wherein one or a plurality of zone valves (15-17) with a respective operating pressure reduction means (18-20) lead to extinguishing lines (21-23) with extinguishing nozzles (24),
    characterized in
    that an upstream further pressure reduction means (25; 28) is provided between the at least one quick-release valve (5-7) and the collecting pipe (11).
  2. The fire extinguishing installation of claim 1, characterized in that the upstream pressure reduction means (25; 28) is fitted to the quick-release valve (5) and/or the collecting pipe (11).
  3. The fire extinguishing installation of claim 1 or 2, characterized in that the pressure reduction means (25; 28) is a socket (31, 32) provided at the quick-release valve (5) and/or the collecting pipe (11) and including a throttle disc (33, 34).
  4. The fire extinguishing installation of claim 3, characterized in that the throttle disc (33, 34) has a throttle opening of about 10 mm in diameter.
  5. The fire extinguishing installation of one of claims 1 to 4, characterized
    in that the end (37) of the collecting pipe (11) averted from the extinguishing nozzles is connected to an extension line (38) led outside and into which is mounted a safety means such as a burst disc (39) or a safety valve.
  6. The fire extinguishing installation of one of claims 3 to 5, characterized
    in that the socket (32) fitted to the collecting pipe (11) is provided with a non-return valve (42).
  7. The fire extinguishing installation of one of claims 1 to 6, characterized
    in that the extinguishing agent stored in the gas bottles (2-4) under a pressure of approximately 300 bar is reduced by the upstream pressure reduction means (25; 28) to about 200 bar and by the operating pressure reduction means (15-17) to 60 bar or less.
  8. A fire extinguishing installation with high-pressure gas, wherein the gaseous extinguishing agent is stored under high pressure in at least one gas bottle (2-4), each gas bottle being provided with a quick-release valve (5-7) and all quick-release valves being connected to a collecting pipe (11), wherein one or a plurality of zone valves (15-17) lead to extinguishing lines (21-23) with extinguishing nozzles (24), including a pressure reduction means (25; 28),
    characterized in
    that in a single zone fire extinguishing installation the extinguishing agent stored in said gas bottles (2-4) at about 200 bar is reduced to 60 bar or less by the pressure reduction means (25; 28) before the collecting pipe (11).
EP00128687A 2000-01-11 2000-12-28 Fire extinguishing plant with pressurized extinguishing gas Expired - Lifetime EP1116499B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20000365U 2000-01-11
DE20000365U DE20000365U1 (en) 2000-01-11 2000-01-11 Gas high pressure fire extinguishing system

Publications (2)

Publication Number Publication Date
EP1116499A1 EP1116499A1 (en) 2001-07-18
EP1116499B1 true EP1116499B1 (en) 2006-08-30

Family

ID=7935737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128687A Expired - Lifetime EP1116499B1 (en) 2000-01-11 2000-12-28 Fire extinguishing plant with pressurized extinguishing gas

Country Status (5)

Country Link
EP (1) EP1116499B1 (en)
AT (1) ATE337834T1 (en)
DE (2) DE20000365U1 (en)
DK (1) DK1116499T3 (en)
ES (1) ES2270781T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10125109A1 (en) * 2001-05-23 2002-12-05 Total Feuerschutz Gmbh Method and device for controlling a gas high-pressure fire extinguishing system
GB2424184A (en) * 2005-03-14 2006-09-20 Kidde Ip Holdings Ltd Inert gas fire suppression system
DE102007006665A1 (en) * 2007-02-10 2008-08-14 Total Walther Gmbh, Feuerschutz Und Sicherheit Method and device for controlling a gas high pressure fire extinguishing system
EP2857735B1 (en) * 2013-10-04 2019-01-09 Siemens Schweiz AG Valve body and related triggering arrangement
DE102016212612B4 (en) * 2016-07-11 2020-01-30 Minimax Gmbh & Co. Kg Fire extinguishing device for installation in a room and for fighting fires in several sectors of the room, as well as fire extinguishing system with the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE184801T1 (en) * 1994-01-27 1999-10-15 Total Feuerschutz Gmbh DEVICE FOR OPERATING A FIRE EXTINGUISHING DEVICE
DE19716589B4 (en) * 1997-04-21 2004-07-22 Total Walther Gmbh, Feuerschutz Und Sicherheit Method and device for operating a fire extinguishing dry sprinkler system

Also Published As

Publication number Publication date
ES2270781T3 (en) 2007-04-16
EP1116499A1 (en) 2001-07-18
DE50013394D1 (en) 2006-10-12
ATE337834T1 (en) 2006-09-15
DE20000365U1 (en) 2001-05-23
DK1116499T3 (en) 2007-01-02

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