EP1170036A2 - Procédé et appareil de lutte contre l'incendie - Google Patents

Procédé et appareil de lutte contre l'incendie Download PDF

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Publication number
EP1170036A2
EP1170036A2 EP01115615A EP01115615A EP1170036A2 EP 1170036 A2 EP1170036 A2 EP 1170036A2 EP 01115615 A EP01115615 A EP 01115615A EP 01115615 A EP01115615 A EP 01115615A EP 1170036 A2 EP1170036 A2 EP 1170036A2
Authority
EP
European Patent Office
Prior art keywords
inert gas
fire
detectors
source
extinguishing
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.)
Withdrawn
Application number
EP01115615A
Other languages
German (de)
English (en)
Other versions
EP1170036A3 (fr
Inventor
Frank Eickhorn
Christian Manthey
Panos G. Papavergos
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.)
Kidde Deugra Brandschutzsysteme GmbH
Original Assignee
Kidde Deugra Brandschutzsysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kidde Deugra Brandschutzsysteme GmbH filed Critical Kidde Deugra Brandschutzsysteme GmbH
Publication of EP1170036A2 publication Critical patent/EP1170036A2/fr
Publication of EP1170036A3 publication Critical patent/EP1170036A3/fr
Withdrawn legal-status Critical Current

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    • 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 invention relates to a method for fighting a fire and a Fire-fighting device according to the preambles of claims 1 and 9, respectively.
  • the object of the invention is a method and a fire-fighting device to create according to the preambles of claims 1 and 9, respectively effective fire fighting even in the presence of relatively small quantities of liquid extinguishing agent.
  • the spray nozzles are nebulizing nozzles
  • the The liquid extinguishing agent is atomized using an inert gas an extinguishing agent mist is generated, which is very useful for fighting fires is effective, and on the other hand the oxygen concentration is supplied by the Inert gas reduced accordingly, whereby the fire fighting by the Extinguishing agent fog is supported.
  • This allows you to even with relatively small Amounts of liquid extinguishing agent that can be carried in aircraft are effective Fight fire.
  • the reduction in Oxygen concentration to a correspondingly lower tendency to renew Ignition and to reduce the risk of explosion.
  • the atomizing nozzles are expediently arranged in such a way that whose spray cone is an object in the volume to be protected, for example the cargo in the hold of an aircraft or parts thereof, if possible Cover without spray shadow, the fire detectors gas detectors, smoke detectors, can be thermal detectors and / or optical radiation detectors. That too protective space can also be the hold of a ship or Land vehicle or a space of a fixed installation in the country.
  • a controller can also be provided which is used for intermittent Fire fighting is designed so that one fire extinguishing cycle per fire detection consisting of several spray sequences of a predetermined duration and with an intermediate pause of a predetermined duration is triggered, with new fire detection within the pause a new extinguishing cycle in progress is set.
  • Extinguishing agent mist can be generated depending on the number of The atomizing nozzles are set with regard to the spray and inert gas supply duration is that an expected fire is checked and, if necessary, extinguished. This makes it possible to apply a minimal amount of extinguishing agent to the protective object to work.
  • thermally sensitive Surfaces in the volume of space to be protected can change during the intermediate pause until the next spray sequence, which is to be on the safe side, from the previous spray exposure recover.
  • they are preferably optical fire detectors due to their very short response time able to recognize it and start a new erase cycle.
  • the stress on thermally sensitive hot surfaces for example thermal shocks are kept to a minimum, but fire fighting Given priority.
  • the fire extinguishing device is also e.g. Can be used in machine rooms to find objects inside as well Protect people and facilities.
  • the extinguishing performance can be Class A3 fires and heavier liquid hydrocarbons become.
  • Fig. 1 shows schematically an embodiment of a fire fighting device.
  • Fig. 2 shows schematically an embodiment of a nebulizing nozzle in the Cut.
  • FIG. 3 schematically shows a further embodiment of a Nebulization nozzle in section.
  • 4a and 4b show two examples of a timing diagram with respect the water pressure at the spray nozzles of the fire extinguishing system Extinguishing fire using extinguishing cycles.
  • a container 1 for liquid extinguishing agent such as water or a solution Water-based
  • an inert gas source 2 in the form of at least one pressurized inert gas receiving gas bottle provided.
  • an inert gas can an inert gas or gas mixture such as nitrogen or one in the event of fire Nitrogen-based mixture or argon, carbon dioxide or the like optionally in a mixture with one or more other inert gases be used.
  • the container 1 can also be attached to a Water supply network connected or replaced by it.
  • the container 1 has a level sensor 3, whose output signal a controller 4 is supplied, which also outputs signals from Fire detectors 5, such as smoke and / or gas and / or thermal detectors and / or UV and / or IR radiation detectors are supplied.
  • Fire detectors 5 such as smoke and / or gas and / or thermal detectors and / or UV and / or IR radiation detectors are supplied.
  • Nebulization nozzles 7 leads, which are monitored in one of the fire detectors 5 Are arranged volume.
  • the atomizing nozzles 7 arranged without spray shadow with respect to an object to be protected.
  • the Nebulization nozzles 7 are expediently spaced horizontally above an object to be protected, such as the cargo of a transport aircraft, and directed obliquely at this.
  • atomizing nozzles 7 can also be used correspondingly on the bottom and possibly on the front and above the object be arranged.
  • the nebulizing nozzles 7 are each also provided with a gas line 8 connected, which in turn via a pressure reducer 9 and a solenoid valve 10 the inert gas source 2 is connected.
  • the solenoid valve 10 is from the controller 4 actuated.
  • a gas line 11 branches off from the gas line 8 a valve 12 communicates with the atmosphere above the liquid in the container 1 stands.
  • the inert gas flows to the atomizing nozzles 7 as well as the liquid extinguishing agent caused by the gas pressure in the container 1 and is guided through the open valve 13 to the atomizing nozzles 7 in order to pass through there the inert gas to be nebulized.
  • This device uses the inert gas pressure to convey the liquid Extinguishing agent to the nebulizing nozzles 7. Instead, one can Use the pump that can be started via the control 4.
  • the pneumatically actuated valve 13 can also by one of the Control electrically operated solenoid valve to be replaced.
  • inert gas can also enter the volume of space to be protected be introduced independently of the atomizing nozzles 7, thereby the Reduce oxygen concentration even further.
  • the device is generally automatic via the controller 4 triggerable, it can also be triggered manually via a button 15.
  • a visual and / or acoustic alarm device 16 is usually used intended.
  • the filling and emptying of the container 1, necessary Pressure monitors, water filters, pressure relief valves and the like are not especially described, since they are known so far.
  • the nebulizing nozzle 7 shown in Fig. 2 has a External thread and a flange portion provided shaft 17 with a Extension 18 with a reduced diameter and a central bore 19th
  • the latter has an internal thread on the access side for attachment to the water pipe 6 Mistake.
  • a jacket 20 is screwed, the side with Has internally threaded bore 21 for supplying inert gas.
  • annular space 22 Between the jacket 20 and the extension 18 is an annular space 22 in which the Hole 21 opens.
  • the jacket 20 has end openings 23 for im substantial axial exit of inert gas from the annular space 22.
  • Also has the jacket 20 has a central projection 24 with obliquely directed laterally Outlet openings 25 for extinguishing liquid.
  • the outlet openings 23, 25 are arranged in pairs with their axes in such a way that those emerging from them Jets hit and cause the inert gas jet to the extinguishing liquid jet atomized. Between the end face of the extension 18 and the area of the jacket A seal 26 is arranged adjacent to its projection 24.
  • the nebulization nozzles 7 are expediently carried out such that a mist with drops mainly with a diameter in the range is produced from 60 to 250 microns. It is useful if the meeting point of the respective pair of liquid and inert gas jet at a distance of less than about 30 mm, especially about 5 mm, of each Exit opening 23, 25 is located. The impulse of exiting and on each other hitting rays influences the spray mist quality.
  • an inert gas source 2 in the form of one or more gas bottles can also be used as a source of pyrotechnically generated inert gas in the event of fire become.
  • an inert gas source 2 in the form of one or more gas bottles also use one that has a separation device for a gas mixture Air in inert gas like nitrogen on one side and oxygen on the other Side includes, then the separated nitrogen is pressed accordingly and is directed into the fire area. Then some time is needed before the Oxygen concentration is sufficiently reduced, it is appropriate here already beforehand with the fire fighting with an extinguishing liquid spray start and then nitrogen to reduce the oxygen concentration to lead into the area of fire. But you can also use it instead provide a small supply of inert gas, which is available at the beginning of the Fire fighting process is used until the separation device inert gas supplies.
  • Nebulization nozzles 7 according to FIG. 3 can also be used for this purpose, which are screwed onto a threaded connection 27 of the water pipe 8 and a Inner tube 28 include a collar provided with through openings 29 30, which is supported on the end face on the threaded connection 27 and against this is pressed by an outer sleeve 31.
  • the outer sleeve 31 has one frontal extension 32 with a blind hole 33 which an extension 34 of the Receives inner tube 28 and of which a number of distributed in the circumferential direction Nozzle bores 35 perpendicular to the nozzle axis and thus to the blind hole 33 run outwards.
  • the outer sleeve 31 has an end face Shoulder 36 adjacent to the extension 34.
  • Nozzle bores 37 arranged with the space surrounding the inner tube 28 communicate within the outer sleeve 31 and towards Nozzle axis or at an acute angle to this run such that the respective Axis of a nozzle bore 35 coincides with the axis of an associated nozzle bore 37 hits, i.e. that the two from two associated nozzle bores 35, 37 emerging water jets at an angle of approximately 90 ° or less (each at the desired spray cone angle) so that they meet atomize each other and form a water mist.
  • the impulse from the Nozzle bores 35, 37 emerging and hitting water jets affects the quality of the spray.
  • a filter 38 is expediently provided in the threaded connection 27 arranged.
  • the filter 38 can be flat as shown, but becomes conical Filter 38 preferred because it clogs less quickly because of its larger area.
  • FIGS. 4a and 4b there is one extinguishing cycle per fire detection consisting of two spray sequences 39 of a predetermined duration and with one intermediate pause 40 of a predetermined duration, which is generally longer than the duration of the spray sequences is triggered, with renewed Fire detection within the pause (Fig. 4b) a new extinguishing cycle in progress is set. If there is another fire during the pause 40 of an extinguishing cycle is recognized, a renewed erase cycle is hereby recognized by the controller 4 triggered, i.e. a first spray sequence 39 with subsequent break 40 and then - if another fire is not detected within pause 40 - one second spray sequence 39 triggered.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP01115615A 2000-07-08 2001-07-03 Procédé et appareil de lutte contre l'incendie Withdrawn EP1170036A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10033395 2000-07-08
DE2000133395 DE10033395B4 (de) 2000-07-08 2000-07-08 Verfahren zum Bekämpfen eines Brandes und Brandbekämpfungseinrichtung

Publications (2)

Publication Number Publication Date
EP1170036A2 true EP1170036A2 (fr) 2002-01-09
EP1170036A3 EP1170036A3 (fr) 2003-01-22

Family

ID=7648356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01115615A Withdrawn EP1170036A3 (fr) 2000-07-08 2001-07-03 Procédé et appareil de lutte contre l'incendie

Country Status (2)

Country Link
EP (1) EP1170036A3 (fr)
DE (1) DE10033395B4 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008006630A1 (fr) * 2006-07-12 2008-01-17 Fogtec Brandschutz Gmbh & Co. Kg procÉDÉ et dispositif de lutte contre les incendies
US9041319B2 (en) 2011-11-09 2015-05-26 Honeywell International Inc. Actuator having an address selector
US9981529B2 (en) 2011-10-21 2018-05-29 Honeywell International Inc. Actuator having a test mode
US10113762B2 (en) 2011-11-09 2018-10-30 Honeywell International Inc. Actuator having an adjustable running time
CN114733111A (zh) * 2022-05-07 2022-07-12 深圳市智城创投新能源有限公司 一种电动代步车充电场所灭火装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8760103B2 (en) 2011-09-30 2014-06-24 Honeywell International Inc. Actuator power control circuit having fail-safe bypass switching
US8749182B2 (en) 2011-11-08 2014-06-10 Honeywell International Inc. Actuator having an adjustable auxiliary output
US8922140B2 (en) 2011-11-09 2014-12-30 Honeywell International Inc. Dual potentiometer address and direction selection for an actuator
US8588983B2 (en) 2011-11-09 2013-11-19 Honeywell International Inc. Actuator with diagnostics
US9106171B2 (en) 2013-05-17 2015-08-11 Honeywell International Inc. Power supply compensation for an actuator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344908A1 (de) * 1973-09-06 1975-03-20 Verband Der Sachversicherer E Verfahren zur automatischen meldung und loeschung von braenden sowie ortsfeste feuerloeschanlagen zur durchfuehrung dieses verfahrens
SU814359A1 (ru) * 1979-03-23 1981-03-23 Особое Конструкторское Бюро Противо-Пожарной Техники Установка дл тушени пожара взАКРыТОМ пОМЕщЕНии
WO1993009848A1 (fr) * 1991-11-12 1993-05-27 Laursen Torbjoern Gerner Procede d'extinction de feu par une combinaison de gaz respirable et de vaporisation d'eau
EP0314354B1 (fr) * 1987-10-24 1993-06-30 The British Petroleum Company P.L.C. Procédé et appareil de contrôle d'incendie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756320A (en) * 1972-07-20 1973-09-04 Us Navy Fire detection and suppression system for use in a decompression chamber
FI96176C (sv) * 1993-07-16 1996-05-27 Goeran Sundholm Förfarande och anläggning för eldsläckning
DE69515168T2 (de) * 1994-04-14 2000-07-20 Goeran Sundholm Gas- und Flüssigkeitsnebel abgebende Feuerbekämpfungsvorrichtung
DE4427326B4 (de) * 1994-08-02 2004-07-29 Total Walther Gmbh, Feuerschutz Und Sicherheit Stationäre Feuerlöschanlage
JP3504023B2 (ja) * 1995-05-26 2004-03-08 株式会社ルネサステクノロジ 洗浄装置および洗浄方法
DE19625559C1 (de) * 1996-06-26 1997-10-09 Daimler Benz Aerospace Ag Verfahren zur Brandbekämpfung und Vorrichtung zu seiner Durchführung
US6390203B1 (en) * 1999-01-11 2002-05-21 Yulian Y. Borisov Fire suppression apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344908A1 (de) * 1973-09-06 1975-03-20 Verband Der Sachversicherer E Verfahren zur automatischen meldung und loeschung von braenden sowie ortsfeste feuerloeschanlagen zur durchfuehrung dieses verfahrens
SU814359A1 (ru) * 1979-03-23 1981-03-23 Особое Конструкторское Бюро Противо-Пожарной Техники Установка дл тушени пожара взАКРыТОМ пОМЕщЕНии
EP0314354B1 (fr) * 1987-10-24 1993-06-30 The British Petroleum Company P.L.C. Procédé et appareil de contrôle d'incendie
WO1993009848A1 (fr) * 1991-11-12 1993-05-27 Laursen Torbjoern Gerner Procede d'extinction de feu par une combinaison de gaz respirable et de vaporisation d'eau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 198151, Derwent World Patents Index; Class P35, AN 1981-N1337D *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008006630A1 (fr) * 2006-07-12 2008-01-17 Fogtec Brandschutz Gmbh & Co. Kg procÉDÉ et dispositif de lutte contre les incendies
US9981529B2 (en) 2011-10-21 2018-05-29 Honeywell International Inc. Actuator having a test mode
US10744848B2 (en) 2011-10-21 2020-08-18 Honeywell International Inc. Actuator having a test mode
US9041319B2 (en) 2011-11-09 2015-05-26 Honeywell International Inc. Actuator having an address selector
US10113762B2 (en) 2011-11-09 2018-10-30 Honeywell International Inc. Actuator having an adjustable running time
CN114733111A (zh) * 2022-05-07 2022-07-12 深圳市智城创投新能源有限公司 一种电动代步车充电场所灭火装置
CN114733111B (zh) * 2022-05-07 2023-08-15 深圳市智城创投新能源有限公司 一种电动代步车充电场所灭火装置

Also Published As

Publication number Publication date
DE10033395B4 (de) 2006-04-13
DE10033395A1 (de) 2002-01-24
EP1170036A3 (fr) 2003-01-22

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