EP2283902B1 - Appareil d'extinction et procédé destinés à la lutte contre l'incendie locale - Google Patents

Appareil d'extinction et procédé destinés à la lutte contre l'incendie locale Download PDF

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Publication number
EP2283902B1
EP2283902B1 EP10015115.8A EP10015115A EP2283902B1 EP 2283902 B1 EP2283902 B1 EP 2283902B1 EP 10015115 A EP10015115 A EP 10015115A EP 2283902 B1 EP2283902 B1 EP 2283902B1
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Prior art keywords
extinguishing
water
extinguishing agent
pressure
extinguishing water
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German (de)
English (en)
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EP2283902A1 (fr
Inventor
Hasso von Blücher
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Bluecher GmbH
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Bluecher GmbH
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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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the invention relates to an extinguishing device and a method for local firefighting outside of buildings at the location of a fire with the preamble features of claim 1 or of claim 5 or of patent claim 7.
  • a quenching device which is designed for local firefighting outside of buildings at the location of a fire.
  • the known extinguishing device has a movable extinguishing unit having at least one extinguishing agent container.
  • the extinguishing agent container is a manually operable Hoch Kunststoffsprüh
  • at least one pressure generating device for discharging extinguishing agent via the Hoch réellesprüh is provided, wherein the pressure generating means for generating a discharge pressure of the extinguishing agent of at least 10 formed bar and the extinguishing agent can be discharged as a spray.
  • the extinguishing agent may be a mixture of extinguishing water with at least one extinguishing water additive.
  • the US 2006/0213565 A1 discloses an extinguishing system for discharging preferably foamy extinguishing agent.
  • the extinguishing agent consists of extinguishing water and an extinguishing water additive, which is added to the extinguishing water immediately before discharge.
  • aqueous system comprising a sodium or potassium ion-containing aqueous phase in which hydration-swollen gel particles are dispersed as individual polyanionic macromolecules of moderately crosslinked, water-insoluble acrylic acid copolymers as extinguishing water.
  • the object of the present invention is to provide an extinguishing device and an extinguishing method of the aforementioned type in each case, which enable local firefighting outside of buildings at the location of a fire with high efficiency and are easy to handle.
  • Another object of the present invention is the inventive method for local firefighting outside of buildings at the site of a fire source according to claim 5; Further, advantageous developments and refinements are the subject of the relevant subclaim.
  • the extinguishing device comprises at least one moveable extinguishing agent container having movable Erlösheitheit, at least one fluidkommunipreparingd connected to the extinguishing agent, manually operable Hoch Kunststoffsprüh worn with at least one extinguishing nozzle and at least one pressure generating device for discharging extinguishing agent on the high-pressure spraying on the fire, wherein the pressure generating means for generating a discharge pressure of the extinguishing agent of at least 10 bar, preferably up to 1500 bar, in particular between 20 to 200 bar, is formed. Accordingly, it is provided in the inventive method that the extinguishing agent is discharged at high pressure.
  • the invention is based on this point, first of all the basic idea, the quenching unit with the extinguishing agent container movable form, so that it can be driven in the immediate vicinity of a fire.
  • This is compared to the previously known portable Löhne fraud a larger fluid reservoir for extinguishing agent at the location of the source of fire at your disposal.
  • the method of erasing unit can be done in the simplest case with muscle power. In principle, however, it is also possible to provide a motor drive for off-road operation.
  • the removal of the extinguishing agent from the extinguishing agent container via the high-pressure spraying device which is preferably carried and operated by a firefighter.
  • the high-pressure spraying device is connected in a fluid-communicating manner with the extinguishing agent container, wherein the desired high-pressure is generated by means of the pressure-generating device.
  • the pressure generating device may comprise at least one (high pressure) pump.
  • a plurality of high-pressure spraying devices can also be connected to a quenching unit. It is equally possible that the pressure generating device is integrated into the Hochdrucksprüh worn, so that the erase unit is provided only as an extinguishant memory.
  • the discharge of the extinguishing agent under high pressure makes it possible to extinguish embers or high-efficiency fires.
  • the extinguishing agent is discharged in the form of a finely dispersed mist or spray, which also contributes to an improved extinguishing effect.
  • the combination of high-pressure technology and high-jet nozzle enables a particularly fine atomization of the extinguishing agent.
  • the small droplets evaporate completely, thereby removing the maximum amount of energy from the fire. In practice, this results in an optimal extinguishing effect of the water used. By changing the extinguishing nozzles or by simply turning a jet adjustment can be achieved from the spray to the full jet.
  • the opening angle of the spray cone generated by an extinguishing nozzle is less than 15 °, preferably less than 10 °. With even smaller opening angle, it is also possible in principle to discharge the extinguishing agent as a full jet.
  • the extinguishing agent is water.
  • the extinguishing agent may also have at least one hydrophilic, swellable component, wherein, preferably, the component should be dispersible in water.
  • swellable polymers for example polyacrylate-based or polymethacrylate-based and / or based on the modifications, can be added to the extinguishing water as extinguishing water additives.
  • Hydrophilic swellable materials that can be used as extinguishing agents, for example, from DE 35 15 865 A1 and the DE 38 14 751 A1 each known to the applicant.
  • At least two extinguishing agent containers are provided, wherein a first extinguishing agent container for receiving extinguishing water and a second extinguishing agent container for receiving the extinguishing water additive is provided.
  • a concentrate of superabsorbent polymer particles may be contained in the second extinguishing agent container as the extinguishing water additive, wherein the polymer particles are slightly pre-swollen with water and prevented from further absorption of water by introduction into an organic phase.
  • Firesorb® is a liquid polymer preparation that can absorb many times more water. This forms a heat-shielding gel that adheres even to ceilings and vertical walls. Due to its high toughness (viscosity), the Firesorb® gel only flows very slowly away from burning material and therefore remains extinguishing for longer. The protective film absorbs the heat of combustion at the surface, under which the air-closing function remains. Water added with Firesorb® acts as a liquid fire blanket, stifling the fire by closing the air and providing cooling. Firesorb® is a concentrate of superabsorbent polymer particles that are slightly pre-swollen with water. By incorporation into a special, biodegradable oil, the polymers are prevented from further water absorption. In this form, the additive is very easy to transport and handle.
  • the extinguishing agent from a mixture of extinguishing water with a concentrate of the type described above is available as extinguishing water additive.
  • a mixing device In order to mix the extinguishing water and the extinguishing water additive, a mixing device is provided, wherein the extinguishing water and the extinguishing water additive are preferably supplied separately to the extinguishing nozzle and mixed together only immediately before the discharge of the extinguishing agent.
  • the water binding of superabsorbent polymer particles accelerates considerably. Here it must be ensured that the swelling does not hinder the discharge. This requires a corresponding design of the extinguishing nozzle. In principle, however, it can also be provided to discharge the extinguishing water and the extinguishing water additive via separate extinguishing nozzles simultaneously or via the same extinguishing nozzles in succession.
  • the extinguishing water additive can be further provided to discharge the extinguishing water finely distributed in the form of a mist, while the extinguishing water additive less finely distributed is discharged with larger liquid droplets.
  • the extinguishing water additive is superabsorbent polymer particles in the gel state, they lay over the source of fire like a carpet, so that it is suffocated.
  • the finely distributed extinguishing water evaporates completely, thus removing a large amount of heat from the fire.
  • the discharge quantity of the extinguishing agent should be between 100 and 2,500 l / h, preferably between 500 and 1,600 l / h.
  • the first extinguishing agent container for the extinguishing water can have a filling volume of at least 50 l, in particular between 100 and 500 l.
  • the second extinguishing agent container for the extinguishing water additive preferably has a smaller volume.
  • the filling volume of the first and / or the second extinguishing agent container also correspondingly to be taller. It is important that the filling volume of the or the extinguishing agent container allows a method of Löhneheit in the field.
  • a power supply device arranged in the erase unit can be provided for the power supply independently of a deletion train or a stationary power supply line, it being possible for the energy supply device to have at least one rechargeable battery as an energy store.
  • the energy supply device At the location of an accumulator, a preferably gasoline-powered generator can be used.
  • the extinguishing agent should be discharged for a period of 1 to 10 minutes, preferably 2 to 5 minutes.
  • it may be provided to deliver the extinguishing agent clocked, with a predetermined amount of the extinguishing agent is discharged in short sprays each.
  • a corresponding control device can be provided.
  • the discharge of the extinguishing agent can also be controlled manually.
  • the invention makes it possible, if necessary, to combine the features mentioned in the claims and / or the features described with reference to the drawing, even if this is not described in detail. Also, a combination of previously described features of local firefighting in extinguishing devices, with features of such extinguishing devices are designed for local firefighting outside of buildings, is possible.
  • the above value specifications and the specified intervals in each case capture all values, ie not just the lower limits or at intervals the interval limits, without this requiring an explicit mention.
  • Fig. 1 is schematically illustrated an extinguishing device 1 designed for local fire fighting in buildings at the site or in the immediate vicinity of a fire.
  • the extinguishing device 1 has a nozzle device 2 with a plurality of extinguishing nozzles 3, designed for the discharge of extinguishing agent 4 only at the location or in the immediate vicinity of the fire and for decentralized arrangement in a building, not shown.
  • the discharge of the extinguishing agent 4 is in Fig. 1 shown schematically only for a single extinguishing nozzle 3. It is understood that in case of fire from a plurality of extinguishing nozzles 3, preferably from all extinguishing nozzles 3, the extinguishing agent 4 is discharged.
  • the nozzle device 2 is an integral part of a quenching unit designed as extinguishing column 5, which in the illustrated embodiment 2 extinguishing agent container 6, 7 and a pressure generating device 8 and a mixing device 9 has.
  • a plurality of fire sensors 10 are provided for the detection of a fire, which are set to a particular combined optics, smoke, CO, temperature indication.
  • the data recorded by the fire alarm sensors 10 are transmitted to a control device not shown in detail, wherein the control device in response to the received signals causes the activation of a deletion function. After activation of the deletion function is a release of extinguishing agent 4 via the extinguishing nozzles 3.
  • the control device may be integrated in addition to a telecommunication function for transmitting a message to a given recipient.
  • the fire detection sensors 10 are arranged as well as the extinguishing nozzles 3 distributed over a housing 11 of the erase unit 5.
  • the extinguishing agent 4 is obtainable from a mixture of extinguishing water 12 and at least one extinguishing water additive 13, wherein the extinguishing water additive 13 is a gel-like concentrate of at least one water-preswollen polymer in an organic phase.
  • the extinguishing water 12 is stored in the first extinguishing agent container 6 and the extinguishing water additive 13 in the second extinguishing agent container 7.
  • extinguishing water 12 and extinguishing water additive 13 is sucked out in a predetermined mixing ratio and passed to the mixing device 9.
  • the pressure generating device 8 generates the discharge pressure of the extinguishing agent 4 required for discharging the extinguishing agent 4 via the extinguishing nozzles 3 of at least 10 bar, preferably up to 1,500 bar, in particular between 20 and 200 bar. In a further preferred embodiment, a discharge pressure of about 40 bar is generated.
  • the pressure generating device 8 which may be a pump in the simplest case, is connected via pressure lines 14 with the extinguishing nozzles 3 on the one hand and via suction lines 15a-c to the mixing device 9 and the two extinguishing agent containers 6, 7.
  • the extinguishing agent 4 In case of fire, it comes to the discharge of the extinguishing agent 4 under pressure, the extinguishing agent 4 is discharged as a spray.
  • the high-pressure discharge of the extinguishing agent 4 allows a particularly fine atomization of the extinguishing agent. In practice, this results in an optimal extinguishing effect of the extinguishing agent used 4.
  • the room temperature level in the surrounding area of the fire is very quickly lowered and soot and suspended particles from the ambient air washed out. Thus, the visibility in a fire-exposed room is positively influenced.
  • the low extinguishing agent consumption with maximum effectiveness ensures cost-effective protection of the building inventory in a very short period of time within which a fire can be completely extinguished.
  • the extinguishing water additive 13 contains superabsorbent polymer particles which are slightly pre-swollen with water. The inclusion in a special, biodegradable oil, the polymers are prevented from further water absorption. In this form, the extinguishing water additive 13 is very easy to transport and handle. Once the extinguishing water additive 13 is mixed in the mixing device 9 with the extinguishing water 12, it comes to re-water binding, which can be further enhanced by stirring or pumping this effect. At the in Fig.
  • extinguishing nozzles 3 can be provided for the extinguishing water 12 on the one hand and further extinguishing nozzles 3 for the extinguishing water additive 13 on the other hand and designed accordingly.
  • the fire detection sensors 10 may be formed such that not only the occurrence of a fire, but also the Alignment to the deletion unit 5 is passed as control information to the controller. Depending on which side of the fire is localized, then the discharge of the extinguishing agent 4 takes place only on one or the other side or on the outside of the fire extinguishing unit 5.
  • the extinguishing nozzles are the third preferably uniformly distributed over the housing wall 11 of the Löhneheit 5, wherein the extinguishing nozzles 3 extend in the illustrated embodiment over the entire upper half of the housing 11. Moreover, a plurality of extinguishing nozzles 3 are provided on an upper end face 16 of the housing wall 11. As a result, the extinguishing agent discharge over the entire outer surface including the upper end face 16 of the Löscheheit 5 done, where it is in principle also possible that extinguishing nozzles 3 are also provided in the lower half of the housing 11.
  • an energy supply device is provided in the deleting unit 5, wherein the energy supply device has at least one rechargeable battery as an energy store for operating the pressure generating device 8.
  • the extinguishing unit designed as extinguishing column 5 can be arranged as required transportable or even stationary in the building.
  • an extinguishing device 17 is shown, which is designed for local firefighting outside of buildings at the site or in the immediate vicinity of a fire.
  • the extinguishing device 17 has a schematically represented moveable extinguishing unit 18 and at least one high-pressure spraying unit 19 shown schematically.
  • a first extinguishing agent container 20 for extinguishing water 21 and a second extinguishing agent container 22 for an extinguishing water additive 23 are disposed within the deleting unit 18.
  • the extinguishing water additive 23 corresponds to the extinguishing water additive 13, which at the in Fig. 1 shown erasing device 1 is used.
  • the erasing unit 18 has a pressure generating device 24 and a mixing device 25.
  • the pressure generating device 24 which is a high-pressure pump, the necessary discharge pressure for an extinguishing agent 26 is established, the extinguishing agent 26 is obtainable by mixing extinguishing water 21 with the extinguishing water additive 23 in a predetermined mixing ratio in the mixing device 25.
  • a metered addition of 1 to 10%, in particular of 2% to 3%, of the fire-extinguishing water 21 is provided.
  • the extinguishing water 21 and the extinguishing water additive 23 is sucked to the mixing device 25 by the pressure generating device 24 via suction lines 27a and 27b.
  • the extinguishing agent 26 is then fed via the further suction line 27c and a pressure line 28 to a extinguishing nozzle 29 of the high-pressure spraying device 19.
  • the discharge of the extinguishing agent 26 takes place in the form of a spray under high pressure, resulting in the in connection with the in Fig. 1 shown erasing device 1 results in the deletion process.
  • the Hochdrucksprüh worn 19 is manually carried by a firefighter and operable so that the spray of the extinguishing agent 26 can be targeted to the location of a source of fire aligned.
  • the erasing unit 18 has an energy supply device with at least one accumulator as an energy store for the pressure generating device 24.
  • the power supply device may also have a generator.
  • extinguishing device 17 makes it possible to transport a larger quantity of extinguishing water to the location of a fire and using the high-pressure spraying device 19 to discharge the extinguishing water 21 together with the extinguishing water additive 23, so that in particular embers and burns can be effectively combated.

Claims (7)

  1. Dispositif d'extinction (17), conçu pour la lutte locale contre le feu à l'extérieur de bâtiments sur le site d'un foyer d'incendie, et comprenant
    - une unité mobile d'extinction (18), comprenant un premier réservoir d'agent d'extinction (20) pour eau d'extinction (21), un deuxième réservoir d'agent d'extinction (22) pour un additif (23) pour eau d'extinction, et un dispositif mélangeur (25) pour mélanger l'eau d'extinction (21) et l'additif (23) pour eau d'extinction,
    - au moins un dispositif (19) de jet sous haute pression, relié au réservoir d'agent d'extinction (20, 22) en communication fluidique, pouvant être manoeuvré à la main, et comportant au moins une buse d'extinction (29), et
    - au moins un dispositif (24) générateur de pression, pour éjecter l'agent d'extinction (26) par l'intermédiaire d'un dispositif (19) de jet sous haute pression,
    le dispositif (24) générateur de pression étant conçu pour produire une pression d'éjection de l'agent d'extinction (26) d'au moins 10 bar, et
    l'agent d'extinction (26) pouvant être obtenu à partir d'un mélange d'eau d'extinction (21) et d'additif (23) pour eau d'extinction,
    caractérisé en ce qu'on prévoit en tant qu'additif (23) pour eau d'extinction un concentré d'au moins un polymère superabsorbant pré-gonflé dans une phase organique, la buse d'extinction (29) étant conçue comme une buse pour jet sous haute pression, l'agent d'extinction (26) pouvant être éjecté sous forme d'un brouillard, et l'angle d'ouverture du cône du jet de pulvérisation, produit par la buse d'extinction (29), étant inférieur à 15°.
  2. Dispositif d'extinction selon la revendication 1, caractérisée en ce que l'agent d'extinction peut être éjecté avec un angle d'ouverture inférieur à 10°.
  3. Dispositif d'extinction selon l'une des revendications 1 ou 2, caractérisé en ce que le débit d'éjection de l'agent d'extinction (26) est de 100 à 2500 l/h, de préférence de 500 à 1600 l/h.
  4. Dispositif d'extinction selon l'une des revendications 1 à 3, caractérisé en ce que le premier réservoir d'agent d'extinction (20) présente un volume de remplissage d'au moins 50 1, en particulier compris entre 100 et 500 1, et que de préférence le deuxième réservoir d'agent d'extinction (22) présente un volume plus petit.
  5. Procédé de lutte locale contre le feu à l'extérieur de bâtiments sur le site d'un foyer d'incendie, à l'aide d'au moins un dispositif d'extinction (17), le dispositif d'extinction (17) comprenant :
    - une unité mobile d'extinction (18), comprenant un premier réservoir d'agent d'extinction (20) pour eau d'extinction (21), un deuxième réservoir d'agent d'extinction (22) pour un additif pour eau d'extinction (23), et un dispositif de mélange (25) pour mélanger l'eau d'extinction (21) et l'additif (23) pour eau d'extinction,
    - au moins un dispositif (19) de jet sous haute pression, relié au réservoir d'agent d'extinction (20, 22) par communication fluidique, pouvant être manoeuvré à la main, comportant au moins une buse d'extinction,
    - au moins un dispositif (24) générateur de pression, pour éjecter l'agent d'extinction (26) par l'intermédiaire du dispositif (19) de jet sous haute pression, le dispositif (24) générateur de pression étant conçu pour produire une pression d'éjection de l'agent d'extinction (26) d'au moins 10 bar,
    l'agent d'extinction (26) pouvant être obtenu à partir d'un mélange d'eau d'extinction (21) avec au moins un additif (23) pour eau d'extinction, et étant éjecté sous une surpression d'au moins 10 bar sous forme d'un brouillard de pulvérisation,
    caractérisé en ce qu'on prévoit en tant qu'additif (23) pour eau d'extinction un concentré d'au moins un polymère superabsorbant prégonflé dans une phase organique, la buse d'extinction (29) étant conçue comme une buse pour jet sous haute pression, et l'agent d'extinction (26) étant éjecté sous forme d'un cône de pulvérisation ayant un angle d'ouverture inférieur à 15°.
  6. Procédé selon la revendication 5, caractérisé en ce que l'eau d'extinction (21) et l'additif (23) pour eau d'extinction sont amenés séparément l'un de l'autre à la buse d'extinction (29), et que, d'une manière plus préférée, l'eau d'extinction (21) et l'additif (23) pour eau d'extinction sont mélangés immédiatement avant l'éjection.
  7. Procédé de lutte locale contre le feu à l'extérieur de bâtiments sur le site d'un foyer d'incendie, à l'aide d'au moins un dispositif d'extinction (17), le dispositif d'extinction (17) comprenant :
    - une unité mobile d'extinction (18) comprenant un premier réservoir d'agent d'extinction (20) pour eau d'extinction (21) et un deuxième réservoir (22) d'agent d'extinction pour un additif (23) pour eau d'extinction,
    - au moins un dispositif (19) de jet sous haute pression, relié aux réservoirs (20, 22) d'agent d'extinction par communication fluidique, pouvant être manoeuvré à la main, comportant un grand nombre de buses d'extinction (29), et
    - au moins un dispositif (24) générateur de pression pour éjecter l'eau d'extinction (21) et l'additif (23) pour eau d'extinction par l'intermédiaire du dispositif (19) de jet sous haute pression,
    - dans lequel on prévoit en tant qu'additif (23) pour eau d'extinction un concentré d'au moins un polymère superabsorbant pré-gonflé dans une phase organique,
    - l'eau d'extinction (21) et l'additif (23) pour eau d'extinction étant éjectés par des buses d'extinction distinctes, simultanément, ou successivement par ces mêmes buses d'extinction,
    - l'eau d'extinction (21) étant éjectée sous une forme finement divisée, sous forme d'un brouillard, et l'additif (23) pour eau d'extinction étant éjecté en étant moins finement divisé, avec des gouttes de liquide plus grosses, et
    - l'agent d'extinction (26) étant éjecté sous forme d'un brouillard de pulvérisation sous une surpression d'au moins 10 bar.
EP10015115.8A 2007-08-06 2008-05-28 Appareil d'extinction et procédé destinés à la lutte contre l'incendie locale Active EP2283902B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007036902A DE102007036902A1 (de) 2007-08-06 2007-08-06 Löschvorrichtung, Löschsystem und Verfahren zur lokalen Brandbekämpfung
EP08758824A EP2175939B1 (fr) 2007-08-06 2008-05-28 Système et procédé d'extinction destinés à la lutte contre l'incendie locale

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08758824A Division EP2175939B1 (fr) 2007-08-06 2008-05-28 Système et procédé d'extinction destinés à la lutte contre l'incendie locale
EP08758824.0 Division 2008-05-28

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Publication Number Publication Date
EP2283902A1 EP2283902A1 (fr) 2011-02-16
EP2283902B1 true EP2283902B1 (fr) 2016-06-08

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EP10015115.8A Active EP2283902B1 (fr) 2007-08-06 2008-05-28 Appareil d'extinction et procédé destinés à la lutte contre l'incendie locale
EP08758824A Active EP2175939B1 (fr) 2007-08-06 2008-05-28 Système et procédé d'extinction destinés à la lutte contre l'incendie locale

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US (1) US9186532B2 (fr)
EP (2) EP2283902B1 (fr)
AT (1) ATE502681T1 (fr)
CA (1) CA2695483C (fr)
DE (2) DE102007036902A1 (fr)
WO (1) WO2009018868A1 (fr)

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Also Published As

Publication number Publication date
EP2175939B1 (fr) 2011-03-23
US9186532B2 (en) 2015-11-17
US20110259615A1 (en) 2011-10-27
DE102007036902A1 (de) 2009-02-12
WO2009018868A1 (fr) 2009-02-12
EP2175939A1 (fr) 2010-04-21
ATE502681T1 (de) 2011-04-15
CA2695483C (fr) 2012-10-02
EP2283902A1 (fr) 2011-02-16
DE502008002956D1 (de) 2011-05-05
CA2695483A1 (fr) 2009-02-12

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