EP1570881A2 - Installation et procédé pour reduite et empêcher la propagation de et/ou pour l'action d'éviter de la fumée et/ou l'incendie dans un canal - Google Patents

Installation et procédé pour reduite et empêcher la propagation de et/ou pour l'action d'éviter de la fumée et/ou l'incendie dans un canal Download PDF

Info

Publication number
EP1570881A2
EP1570881A2 EP05004506A EP05004506A EP1570881A2 EP 1570881 A2 EP1570881 A2 EP 1570881A2 EP 05004506 A EP05004506 A EP 05004506A EP 05004506 A EP05004506 A EP 05004506A EP 1570881 A2 EP1570881 A2 EP 1570881A2
Authority
EP
European Patent Office
Prior art keywords
channel
fire
smoke
liquid mist
protective
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Withdrawn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
EP05004506A
Other languages
German (de)
English (en)
Other versions
EP1570881A3 (fr
Inventor
Hans-Jürgen Langel
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.)
Pas Engineering & Cokg GmbH
Original Assignee
Pas Engineering & Cokg 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 Pas Engineering & Cokg GmbH filed Critical Pas Engineering & Cokg GmbH
Publication of EP1570881A2 publication Critical patent/EP1570881A2/fr
Publication of EP1570881A3 publication Critical patent/EP1570881A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
    • A62C4/04—Flame traps allowing passage of gas but not of flame or explosion wave in flues or chimneys
    • 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
    • A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/35—Responding to malfunctions or emergencies to fire, excessive heat or smoke by closing air passages

Definitions

  • the invention relates to a device and a method for reducing and / or to prevent smoke and / or fire spreading in a canal.
  • the invention is therefore based on the object, a device or a method for reducing and / or avoiding smoke and / or Provide fire spread in a channel, which or which the disadvantages of the prior art avoids.
  • a device for reducing and / or to prevent smoke and / or fire propagation in a channel dissolved wherein in or on the channel a protective device is arranged, wherein by means of the protective device, a liquid mist in the channel can be generated.
  • a liquid mist it is possible according to the invention, in the case a fire or in the case of excessive smoke on the one hand to cause a cooling of the channel and on the other hand an absorption of the Smoke or a leaching of the flue gas located in the channel accomplish and so a binding and a suppression of the toxic and corrosive fire decomposition products.
  • the invention provides that the protective device to a Line system is connected, preferably a fire water system and / or a water supply system.
  • a line system is connected, preferably a fire water system and / or a water supply system.
  • the protective device in a simple manner to an example existing extinguishing water system can be connected, so that the effort limits the installation of the device according to the invention.
  • the protection device in or on the channel to a conduit system is not necessarily mandatory according to the invention, it could also be provided that at one or a plurality of protection devices, a reservoir for the Liquid mist forming liquid is arranged so no need exists for the inventive device mandatory line system provide. In this case, the fluid would have to be in the reservoir under pressure stand.
  • the liquid forming the liquid mist is water or a water foam mixture or a superabsorbent is. This is it According to the invention possible, a particularly high absorption of smoke constituents allow in the channel or a particularly high fire protection or Fire-fighting effect of the device according to the invention bring about.
  • One Superabsorber according to the invention is a substance that is a multiple of water can bind, in which case in particular a water-in-oil emulsion provided can be.
  • a detector for smoke and / or fire detection in particular an exciter nozzle or a smoke detector, is provided. If the detector is in the vicinity of the protection device is, according to the invention advantageously possible that false alarms largely be avoided, since the place of detection of a smoke and / or Spread of fire even at the place of control of such a smoke and / or fire spread is provided.
  • This may be according to the invention be provided both that the detector develops only a local effect, that is, the detector is merely an activation of one or more in relative Causes proximity to the detector arranged protective devices or it can alternatively be provided that the detector has a global effect, d. H.
  • the channel is a loading and / or venting channel. It is This makes it possible in particular, the operational readiness of the invention Regularly checked, and after such a check or Such a test by simply venting the channel negative Effects of performing the test on the functionality of the channel can be avoided.
  • the liquid mist forms droplets of substantially less than 1000 microns in diameter, preferably substantially less than 300 ⁇ m in diameter, more preferably substantially less than 100 ⁇ m Diameter and also more preferably less than 1 micron.
  • the liquid mist can be particularly efficient for absorption be used by harmful components of flue gases and the be used for any necessary cooling of the channel.
  • the device has at least two protective devices , wherein the protective devices are provided, the Leave liquid mist along the channel oppositely oriented. This is then advantageous if in the channel a certain air movement, d. H. a Flow, present. This prevents that such a present flow in the channel lifts the effect of the liquid mist or too much diminished, for example because of the mist through the air flow is transported away. It is further preferred that the device has at least two Having protection devices, wherein the two protections on opposite sides of a fire wall are arranged, through which the channel passes. This makes it possible according to the invention, an effective fire and / or smoke protection at particularly critical points, in particular between or at the transition point between different fire sections, for example different rooms, to ensure.
  • the object is also achieved by a method for reducing and / or for Avoidance of smoke and / or fire propagation dissolved in a channel, wherein upon activation of a protective device disposed in or on the channel or in case of fire in the channel a liquid mist is generated. This is a particularly efficient control of smoke and / or fire spread possible.
  • the method is for remediation or improvement or replacement used for existing fire dampers.
  • the fire protection can do so be increased in existing real estate with little effort.
  • FIGS. 1 and 2 schematically show the essential components of a device according to the invention for reducing and / or preventing smoke and / or fire propagation in a channel 4.
  • the device according to the invention can also be referred to as a system for reducing and / or preventing smoke and / or fire propagation in a channel.
  • the device or the system according to the invention is installed in a building. Suggestion is therefore shown in Figures 1 and 2, the floor 21 of a first room 19, for example, an office area or the like, and a second room 20, for example, a hallway area or the like, between which a fire wall 17 is arranged and wherein above the spaces 19, 20th a Geuntertrenndecke is arranged.
  • the channel 4 extends from the first space 19 to the second space 20 and vice versa.
  • a channel 4 according to the invention in particular a supply and exhaust duct 4 is provided.
  • the channel 4 may have different channel segments, which are connected to one another at a joint 4a.
  • At least one protective device 5 is in or on the channel 4 arranged.
  • protection devices 5 are inventively particular Nozzles 5 are used.
  • Such nozzles 5 are capable of being under pressure To atomize liquid or to zernebein.
  • a subarea of the liquid mist is indicated in FIGS. 1 and 2 by reference numeral 5a designated.
  • the nozzles 5 are referred to below as extinguishing nozzles 5.
  • a fire protection flap 1, in particular in the region of a fire wall 17, is arranged in a channel 4 shown in FIG. 1 or 2 .
  • a fire damper 1 comprises a damper blade 2 and a triggering device 3 for the fire damper 1.
  • the triggering device 3 is conventionally provided either mechanically, for example by means of a fusible link, or else provided electrically.
  • any existing fire damper 1 according to the invention either put out of action - for example, by the fact that the damper blade 2 in fixed in its open position - or dismantled.
  • an existing one Fire damper continues, d. H. in addition to the invention Protection system or the protective device according to the invention with the Protection device 5, remains operational.
  • a complete replacement of fire dampers by the system according to the invention or by the device according to the invention intended.
  • a Fire protection mortar 13 provided between the channel 4 and the fire wall 17 is in particular a Fire protection mortar 13 provided.
  • the line system 10 is equipped with a line component 7 connected to a connection 8 to the fire alarm panel, wherein the line component 7 is provided in the first embodiment of the device, in particular as a flow indicator, which is connected to the fire alarm panel. Furthermore, the line system 10 in the first embodiment, a test device 9.
  • the flow direction of the liquid in the conduit system 10 is designated by the reference numeral 11.
  • a flexible pipe connection 12 is used for local connection or connection between the conduit system 10 and in each case at least one locally located protection device 5.
  • a dome 14 in the channel 4 for system installation of the protection device 5 is provided according to the invention.
  • a detector 6 provided as a Anregerdüse is now provided projecting into the channel 4, the Anregerdüse opens in the case of too high a temperature in their spatial environment and establishes a connection between the extinguishing nozzle 5 and the pressurized liquid in the conduit system 10. As a result, the liquid mist 5a is generated.
  • the detector 6, in particular in the form of a smoke detector, is provided, wherein the detector 6 is connected in the second embodiment of the device, in particular with the connection 8 to the fire panel.
  • the line component 7 is provided in particular as a solenoid valve, which is connected to the fire alarm panel.
  • Both in the first embodiment and in the second embodiment the device according to the invention may be in the line system 10 to a Sprinklersystem to an indoor hydrant system and / or to a Water supply system, such as a city water system act.
  • FIG. 3 shows an embodiment of a detector 6 provided as an initiator nozzle in various views.
  • FIG. 3 a shows a sectional illustration of a detector 6 designed in this way.
  • FIG. 3 b shows a view, rotated by 90 °, of the detector 6 designed as an exciting nozzle.
  • the actual detector element of such a designed detector 6 (without its own reference number) is shown, which responds to an excessively high temperature in its spatial environment such that a valve is opened inside such a Anregerdüse.
  • Such an exciter nozzle is available in particular from the company GW Sprinkler A / S, Glamsbjerg, Denmark under the type designation 20 mm MJC (Multiple Jet Control) Model B.
  • FIG. 4 shows a plurality of views of a protective device 5 provided according to the invention as an extinguishing nozzle 5 in the subfigures 4 a, 4 b, 4 c and 4 d.
  • an extinguishing nozzle 5 for example, a spray angle of 60 ° or 90 ° or from 60 ° to 90 °, wherein the operating pressure of the extinguishing nozzle 5 is provided for example between 3 and 16 bar, preferably between 6 and 10 bar.
  • a liquid mist 5a which has liquid droplets, is produced by the extinguishing nozzle 5.
  • a foam-forming liquid in the conduit system 10 is used.
  • a foam can also be generated by the extinguishing nozzle 5.
  • a liquid mist 5a also means a foam.
  • the average diameter of the droplets produced in the liquid mist 5a and when using water as a liquid according to the invention for example provided that in the case of having a spray angle of 60 ° Extinguishing nozzle 5 at a pressure of 3 bar an average or Median diameter of about 163 microns, at 7 bar of about 116 microns and at 12 bar of about 103 microns is present.
  • extinguishing nozzle with a spray angle of 90 ° are the corresponding, average or Median diameter data at a pressure of 3 bar about 171 microns, at a Pressure of 7 bar about 151 microns and at a pressure of 12 bar about 138 microns.
  • the construction of the extinguishing nozzle 5 is preferably designed in such a way that that a very favorable implementation of the extinguishing nozzle pressure, i. the pressure of the im Line system 10 located liquid, in kinetic energy of the mist droplets.
  • the liquid mist is also largely insensitive to Flows in the channel 4, in particular cross flows, of up to about 3 m / s.
  • the invention ensures that bound to the surface of the drop Solid particles of the flue gases actually still the principle of gravity subsequently washed out of the flue gas stream and to the bottom, i. the bottom of the Channel 4, sink.
  • a minimum pressure of Liquid at the extinguishing nozzle 5 (minimum nozzle pressure) of only about 0.4 MPa required.
  • Such extinguishing nozzles 5 are in particular from the company GW Sprinkler A / S, Glamsbjerg, Denmark under the type designation GW Misteryspray Nozzle M2 (60 ° spray angle) or M5 (90 ° spray angle) available.
  • the two illustrated extinguishing nozzles 5 are oriented in different (opposite) directions along the longitudinal extent of the channel 4. This reduces impairment of the functionality of the system with air flows in the channel 4.
  • a respective extinguishing nozzle 5 is arranged on both sides of the fire wall 17.
  • the extinguishing nozzle 5 i. the nozzle exit point, as close as possible attached to the fire section or to the place of action, so that the Penetration of the flue gases by means of the water mist jet optimally combated can be.
  • Rauchschürzenlöschsystem - is a homogeneous spray pattern with a good permeability of the liquid mist 5a (or the Spray jet) on the fire smoke surface.
  • Figure 5 shows in detail a way to connect the extinguishing nozzle 5 with a flexible metal hose connection 12 via a dome 14 to a channel 4.
  • a sleeve 20 is welded.
  • the nozzle 5 with the cap 14 is disposed in a bore of the wall of the air channel 4, the sleeve 20 is connected by a screw 21 to the wall of the channel 4.
  • a protective cap 22 prevents the penetration of foreign bodies in the extinguishing nozzle 5.
  • the protective cap 22 is repelled by the extinguishing water.
  • the supply of extinguishing water takes place in this example via a flexible metal hose 12th

Landscapes

  • 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)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Fire Alarms (AREA)
EP05004506A 2004-03-04 2005-03-02 Installation et procédé pour reduite et empêcher la propagation de et/ou pour l'action d'éviter de la fumée et/ou l'incendie dans un canal Withdrawn EP1570881A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004011233 2004-03-04
DE102004011233A DE102004011233A1 (de) 2004-03-04 2004-03-04 Einrichtung und Verfahren zur Verminderung und/oder zur Vemeidung einer Rauch- und/oder Brandausbreitung in einem Kanal

Publications (2)

Publication Number Publication Date
EP1570881A2 true EP1570881A2 (fr) 2005-09-07
EP1570881A3 EP1570881A3 (fr) 2007-07-18

Family

ID=34745433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004506A Withdrawn EP1570881A3 (fr) 2004-03-04 2005-03-02 Installation et procédé pour reduite et empêcher la propagation de et/ou pour l'action d'éviter de la fumée et/ou l'incendie dans un canal

Country Status (2)

Country Link
EP (1) EP1570881A3 (fr)
DE (1) DE102004011233A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005043109A1 (de) * 2005-09-10 2007-03-29 Werner Wildeboer Auslöseeinrichtung zum Auslösen zumindest eines eine Leitung eines lufttechnischen Systems verschließenden Absperrelementes
WO2013150321A2 (fr) 2012-04-02 2013-10-10 Barusic Josip Registre coupe-feu

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517746A (en) * 1968-04-24 1970-06-30 Gen Fire Extinguisher Corp Dry chemical fire extinguishing system
DE2557636C2 (de) * 1975-12-20 1982-12-30 Horst Prof. Dr.-Ing. 3000 Hannover Esdorn Brandgasabsaugeinrichtung eines Gebäudes o.dgl.
GB2069836B (en) * 1980-01-29 1984-06-13 Tonge J D Fire extinguishing apparatus for ducting systems
DE4123657A1 (de) * 1991-07-17 1993-01-21 Spieldiener Robert Dipl Ing Fh Entlueftungs- und installationseinrichtung fuer gebaeude
FI94098C (fi) * 1992-04-29 1995-07-25 Goeran Sundholm Tulensammutuslaite
FI932135A0 (fi) * 1993-05-11 1993-05-11 Goeran Sundholm Foerfarande och anlaeggning foer brandbekaempning
DE10160102A1 (de) * 2001-12-07 2003-06-26 Fogtec Brandschutz Gmbh & Co Vorrichtung zum Löschen eines Brandes in einer Rohrleitung zum Absaugen eines Gasstroms

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005043109A1 (de) * 2005-09-10 2007-03-29 Werner Wildeboer Auslöseeinrichtung zum Auslösen zumindest eines eine Leitung eines lufttechnischen Systems verschließenden Absperrelementes
WO2013150321A2 (fr) 2012-04-02 2013-10-10 Barusic Josip Registre coupe-feu

Also Published As

Publication number Publication date
EP1570881A3 (fr) 2007-07-18
DE102004011233A1 (de) 2005-09-15

Similar Documents

Publication Publication Date Title
DE102010005552B4 (de) Verfahren, Vorrichtung und Düse zum Löschen von Funken
DE69433358T2 (de) Verfahren und einrichtung zur entfernung von rauchgases aus einem überwachten raum
DE102011053768A1 (de) Feuerlöschsystem mit Gas für Schiffe mit Doppelerkennungsfunktion
DE69728518T2 (de) Feuerbekämpfungseinrichtung
DE102016212612B4 (de) Feuerlöschvorrichtung zur Installation in einem Raum und zur Brandbekämpfung in mehreren Sektoren des Raums, sowie Feuerlöschanlage mit selbiger
EP2750770B1 (fr) Lutte contre les incendies dans des tunnels
EP1570881A2 (fr) Installation et procédé pour reduite et empêcher la propagation de et/ou pour l'action d'éviter de la fumée et/ou l'incendie dans un canal
EP1220705B1 (fr) Dispositif pour l'extinction d'incendie
EP1470839B1 (fr) Dispositif pour combattre un feu dans une toilette d'aéronef
WO2003022362A1 (fr) Procede et dispositif pour interrompre la propagation du feu et de la fumee dans des constructions
DE10231230B4 (de) Wassersprühnebel-System zur Brandort-Lokalisierung
DE10019537C2 (de) Anordnung zur Sicherung der Flucht und Rettung unter Rauch-, Wärme- und Schadstoffbelastung
EP0824940A2 (fr) Clapet coupe-feu
EP1436048B1 (fr) Installation pour la lutte anti-incendie dans un tunnel, en particulier dans un tunnel routier
DE10209871B4 (de) Verfahren und Anordnung zur Reduzierung der Rauch- und Schadstoffbelastung
DE19514923A1 (de) Verfahren zur Sicherung der Flucht und Rettung unter Rauch- und Wärmebelastung
EP2998002B1 (fr) Installation d'extinction à gaz inerte
EP1337736B1 (fr) Installation d'extinction d'incendies de tunnel
DE2939151C2 (fr)
EP2111518A2 (fr) Protection contre la corrosion à ventilation arrière
DE10210769B4 (de) Absaugvorrichtung
DE10207007A1 (de) Feinsprühlanze
DE202009018197U1 (de) Brandschutzvorrichtung
DE102014016310B4 (de) Brandübungsanlage
WO2004105957A1 (fr) Systeme de buses pour produire un champ de pulverisation plan

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

AKX Designation fees paid
18D Application deemed to be withdrawn

Effective date: 20071002

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566