EP1299160B1 - Automatische ortsfeste feuerbekämpfungseinrichtung - Google Patents

Automatische ortsfeste feuerbekämpfungseinrichtung Download PDF

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Publication number
EP1299160B1
EP1299160B1 EP01954093A EP01954093A EP1299160B1 EP 1299160 B1 EP1299160 B1 EP 1299160B1 EP 01954093 A EP01954093 A EP 01954093A EP 01954093 A EP01954093 A EP 01954093A EP 1299160 B1 EP1299160 B1 EP 1299160B1
Authority
EP
European Patent Office
Prior art keywords
liquid
installation according
motor
sprinklers
supply line
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
EP01954093A
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English (en)
French (fr)
Other versions
EP1299160A1 (de
Inventor
Patrick Ballu
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.)
Exel Industries SA
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Exel Industries SA
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Filing date
Publication date
Application filed by Exel Industries SA filed Critical Exel Industries SA
Publication of EP1299160A1 publication Critical patent/EP1299160A1/de
Application granted granted Critical
Publication of EP1299160B1 publication Critical patent/EP1299160B1/de
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
    • 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
    • A62C3/0207—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by blowing air or gas currents with or without dispersion of fire extinguishing agents; Apparatus therefor, e.g. fans
    • 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
    • A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas

Definitions

  • the invention relates to a fixed automatic extinguishing system
  • the sprinkler has a deflector and a shutter device to normally close a water supply line or foam which is under permanent pressure.
  • This shutter device is provided with a fusible alloy which during an increase in the temperature is meant to melt to unblock the power line in order to direct the liquid to the baffle for the distribution of spilled liquid.
  • sprinkler installations often give incomplete protection because in many areas only certain areas are equipped with sprinklers and when the fire originates in an unprotected area, or spreads there, the fire can not be extinguished.
  • the object of the invention is to overcome the drawbacks mentioned above.
  • it proposes an automatic fire extinguishing system likely to humidify the entire volume of a room, which reduces the flammability of all the objects in it. Thanks to the invention, the slaughtering of dust, odors and fumes from the fire, which gives better visibility and less intoxication to facilitate the entry into action of firefighters.
  • the installation according to the invention is also capable of creating a barrier infrared to limit the spread of fire by infrared radiation.
  • the object of the invention is an automatic fire extinguishing system having a plurality of diffusers distributed in a room to be protected against fire, said diffusers being connected to a feed line under pressure of a liquid intended for extinguishing a fire, fire detection means connected to means for automatically controlling the supply of the diffusers by said line power supply following detection of a fire by said detection means, and a a compressed gas container connected by a conduit to a reservoir containing said liquid and which in turn is connected to said feed line, said conduit being normally closed by shutter means able to be controlled by said opening automatic control means for enabling said compressed gas contained in said container to enter said tank to drive said liquid to said broadcaster supply line, characterized in that said diffusers are spraying nozzles of said liquid associated with respective motor-fans arranged one after the other so that a fan motor located downstream a fan motor upstream sucks the bulk of the volume between downstream and upstream motor-fans, as well as a portion of the liquid spray volume blown by said upstream fan motor.
  • FIG. 1 is a block diagram of a first embodiment of the installation according to the invention.
  • the installation comprises several diffusers 1 constituted by spray nozzles capable of producing very fine droplets.
  • Each diffuser is via a conduit 2 connected to a line 3 supplying a fire extinguishing liquid under pressure.
  • This liquid is advantageously constituted by water added with surfactants.
  • the installation also includes fire detection means (no represented) conventionally comprising temperature detectors, flame, smoke etc. These detection means are connected to electrical means of automatic control (not shown) of the supply of nozzles 1 as a function of detection, this feeding being done from the feed line 3 and the ducts 2.
  • fire detection means no represented
  • electrical means of automatic control not shown
  • the liquid is stored permanently in a tank 4.
  • a very weak quantity of water is necessary, of the order of 1 1 / m3 of room, ie 1 mm of water / m2 and height meter of the room to be protected.
  • the reservoir 4 is via a conduit 5 connected to a container of compressed gas 6.
  • shutter means in the form of a fast opening isolation valve 7 is inserted in duct 5. This valve is normally closed to prevent confined gas in the container 6 to enter the reservoir 4.
  • the opening of the valve 7 is controlled directly by the means of control connected to the fire detection means to receive a signal actuating.
  • secondary sealing means in the form of a fast opening isolation valve 8 is inserted into the supply line 3 to prevent the liquid from flowing to the diffusers by simple gravity.
  • the opening of the secondary closure means 8 is controlled immediately before that the opening of the closure means 7 is controlled.
  • the thrust by the gravity of the liquid is further increased.
  • the sealing means is constituted by a double siphon.
  • each diffuser 1 is associated with a propulsion means of the liquid in the form of a fan motor 9.
  • the fans 9 are arranged near the respective diffusers 1 of way to blow directly on the sprayed liquid that leave these at the beginning a fire detected.
  • the figures show diffusers 1 arranged laterally with respect to the axis fan, but they can of course be arranged so as to blow directly in the axis.
  • each fan 9 is driven by an electric motor 10.
  • the motor 9 is connected to the control means which also control the start of the engine following the detection of a fire by the detection means.
  • the power supply wires of the motors 10 extend in the liquid supply line 3 and in the duct 2 so that they are protected against fusion in case of fire.
  • two diffusers 1 are in the example illustrated in Figures 1 and 2 grouped around each fan 9 so as to form a together.
  • the assemblies thus constituted are arranged regularly and in number sufficient space to protect. They are advantageously arranged in the ceiling of the local, but also in the walls so that the sprayed liquid saturates quickly humidity throughout the volume of the room.
  • motor-fans 9 each of which is thus associated with at least one diffuser 1, are according to invention arranged one after the other so that a motor-fan 9A is downstream of an upstream fan motor 9B draws most of the volume between these downstream and upstream motor-fans, as well as part of the volume at pulverized liquid blown by said upstream fan motor.
  • the motor-fans are arranged so that once switched on, they simultaneously suck up the entire volume of unsaturated air between them and the respective upstream fan, and they also start simultaneously at recirculate liquid air spray from the upstream fans, allowing homogeneously the entire volume of room air with sprayed droplets.
  • assemblies are also advantageously arranged way to produce a whirlwind movement when broadcasters are put in road.
  • a detector of the detection means When a detector of the detection means detects a beginning of fire in the local, it sends an actuation signal to the control means which in turn sends an opening signal to the valve 7 to allow the compressed gas contained in the container 6 to enter through the conduit 5 into the tank 4 to drive out the liquid to the feed line 3.
  • the liquid propelled by the gas passes through the ducts 2 to feed the respective diffusers 1.
  • the diffuser of cooling 11 of the engine 10 is powered at the same time.
  • the liquid is sprayed into the diffusers 1 and propelled by the fans 9 which receive a start command at the same time as the valve 7, or the where appropriate, the valve 8.
  • the liquid pulverized is evenly and rapidly distributed in the local which is quickly saturated in moisture to prevent fire from spreading and eventually extinguishing it.
  • the fan 1 is according to this embodiment rotated by a hydraulic motor 12 connected to the supply line 3 of the liquid via the conduit 2 through which the diffusers 1 are fed.
  • the hydraulic motors are driven by oil and in yet another variant, they are driven by compressed air.
  • the installation according to the invention makes it possible to carry out tests without any may damage objects in the premises to be protected. It is enough to send a small quantity to the distributors in order to check the operation of the installation.
  • the invention is not limited to the examples described above.
  • the installation according to the invention can moreover be combined with other more conventional installations, including sprinklers, which can come into action if is detected that the fire continues to spread despite the start of operation of the installation according to the invention. It is thus possible to obtain an extinction process automatic multistage.

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

Claims (10)

  1. Einrichtung zum automatischen Feuerlöschen, mit mehreren Diffusoren (1), die in einem vor Feuer zu schützenden Raum verteilt sind, wobei die Diffusoren (1) mit einer Leitung (3) zum Zuführen einer zum Feuerlöschen bestimmten Flüssigkeit unter Druck verbunden sind, mit Feuerdetektionsmitteln, die mit Mitteln zur automatischen Steuerung der Versorgung der Diffusoren (1) über die Zuführleitung (3) in Folge der Detektion eines Feuers durch die Detektionsmittel verbunden sind, und mit einem Druckgasbehälter (6), der über eine Verbindungsleitung (5) mit einem Tank (4) verbunden ist, der die Flüssigkeit enthält und seinerseits mit der Zuführleitung (3) verbunden ist, wobei die Verbindungsleitung (5) normalerweise mit Verschlußmitteln (7) verschlossen ist, deren Öffnen von den Mitteln zur automatischen Steuerung gesteuert werden kann, damit das in dem Behälter (6) enthaltene Druckgas in den Tank (4) einströmen kann, um die Flüssigkeit über die Zuführleitung (3) aus den Diffusoren (1) auszustoßen, dadurch gekennzeichnet, daß die Diffusoren Zerstäubungsdüsen für die Flüssigkeit sind, die entsprechenden Motorventilatoren (9) zugeordnet sind, die so hintereinander angeordnet sind, daß ein Motorventilator (9A), der sich stromabwärts eines stromaufwärtigen Motorventilators (9B) befindet, den größten Teil des Volumens zwischen dem stromabwärtigen und dem stromaufwärtigen Motorventilator (9A, 9B) sowie einen Teil des Volumens an zerstäubter Flüssigkeit, das vom stromaufwärtigen Motorventilator ausgeblasen wird, ansaugt.
  2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder der Ventilatoren (9) von einem Elektromotor (10) angetrieben wird.
  3. Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Elektromotor (10) abgedichtet ist und ein zusätzlicher Diffusor (11) nahe dem Motor angeordnet ist, um diesen zu kühlen.
  4. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sich die Stromversorgungsdrähte des entsprechenden Motors (10) der Ventilatoren in der Flüssigkeitszuführleitung (2, 3) erstrecken.
  5. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder der Ventilatoren (9) von einem Hydraulikmotor (12) angetrieben wird.
  6. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Tank (4) über dem Niveau der Diffusoren (1) angeordnet ist und ein zusätzliches Verschlußmittel (8) in der Zuführfeitung (3) sitzt.
  7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das zusätzliche Verschlußmittel (8) ein Ventil ist, das ebenfalls von den Mitteln zur Steuerung der Versorgung gesteuert wird.
  8. Einrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Mittel zur automatischen Steuerung das Öffnen des zusätzlichen Verschlußmittels (8) unmittelbar vor dem Steuern des Öffnens des Verschlußmittels (7) in der Verbindungsleitung zwischen dem Druckgasbehälter (6) und dem Flüssigkeitstank (4) steuern.
  9. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens zwei Diffusoren (1) um jeden Ventilator (9) herum so angeordnet sind, daß sie eine Einheit bilden.
  10. Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Flüssigkeit mit Tensiden versetztes Wasser ist.
EP01954093A 2000-07-12 2001-07-12 Automatische ortsfeste feuerbekämpfungseinrichtung Expired - Lifetime EP1299160B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0009080 2000-07-12
FR0009080A FR2811581B1 (fr) 2000-07-12 2000-07-12 Installation fixe d'extinction automatique d'incendie
PCT/FR2001/002284 WO2002004077A1 (fr) 2000-07-12 2001-07-12 Installation fixe d'extinction automatique d'incendie

Publications (2)

Publication Number Publication Date
EP1299160A1 EP1299160A1 (de) 2003-04-09
EP1299160B1 true EP1299160B1 (de) 2005-02-02

Family

ID=8852377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01954093A Expired - Lifetime EP1299160B1 (de) 2000-07-12 2001-07-12 Automatische ortsfeste feuerbekämpfungseinrichtung

Country Status (8)

Country Link
US (1) US6866103B2 (de)
EP (1) EP1299160B1 (de)
AT (1) ATE288305T1 (de)
AU (1) AU2001276444A1 (de)
DE (1) DE60108756T2 (de)
ES (1) ES2236272T3 (de)
FR (1) FR2811581B1 (de)
WO (1) WO2002004077A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005643A1 (de) * 2020-11-25 2022-06-01 Kidde Technologies, Inc. Düsenkonfigurationen zur erzeugung eines wirbels eines brandbekämpfungsmittels

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7404206B2 (en) * 2001-07-17 2008-07-22 Yottayotta, Inc. Network security devices and methods
US20070193753A1 (en) * 2006-02-21 2007-08-23 Adiga Kayyani C A method and device for suppression of fire by local flooding with ultra-fine water mist
US7712542B2 (en) * 2005-11-18 2010-05-11 Munroe David B Fire suppression system
US20070169948A1 (en) * 2006-01-26 2007-07-26 C. Cretors And Company Fire containment system
US20090173507A1 (en) * 2008-01-03 2009-07-09 Thomas Foley System and method for removing smoke and heat from a structure
AU2017271592A1 (en) * 2016-05-27 2018-12-06 Twin City Fan Companies, Ltd. Tunnel fan and method
CN107398047B (zh) * 2017-03-29 2021-01-01 王力丰 压缩空气人造风装置及运行方法、消防设备
CN110744756A (zh) * 2019-09-29 2020-02-04 大陆马牌轮胎（中国）有限公司 一种适合高舒适度轮胎制造的成型机

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005643A1 (de) * 2020-11-25 2022-06-01 Kidde Technologies, Inc. Düsenkonfigurationen zur erzeugung eines wirbels eines brandbekämpfungsmittels
US11717839B2 (en) 2020-11-25 2023-08-08 Kidde Technologies, Inc. Nozzle configurations to create a vortex of fire suppression agent

Also Published As

Publication number Publication date
AU2001276444A1 (en) 2002-01-21
US20040089457A1 (en) 2004-05-13
ATE288305T1 (de) 2005-02-15
DE60108756D1 (de) 2005-03-10
FR2811581B1 (fr) 2002-11-29
WO2002004077A1 (fr) 2002-01-17
ES2236272T3 (es) 2005-07-16
EP1299160A1 (de) 2003-04-09
US6866103B2 (en) 2005-03-15
FR2811581A1 (fr) 2002-01-18
DE60108756T2 (de) 2006-01-19

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