WO2009083331A1 - Dispositif de protection pour des installations de lutte contre les incendies - Google Patents

Dispositif de protection pour des installations de lutte contre les incendies Download PDF

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Publication number
WO2009083331A1
WO2009083331A1 PCT/EP2008/065446 EP2008065446W WO2009083331A1 WO 2009083331 A1 WO2009083331 A1 WO 2009083331A1 EP 2008065446 W EP2008065446 W EP 2008065446W WO 2009083331 A1 WO2009083331 A1 WO 2009083331A1
Authority
WO
WIPO (PCT)
Prior art keywords
bolt
protection device
predetermined breaking
fluid
firefighting
Prior art date
Application number
PCT/EP2008/065446
Other languages
German (de)
English (en)
Inventor
Dirk Sprakel
Max Lakkonen
Cedomir Tomovski
Original Assignee
Fogtec Brandschutz Gmbh & Co. Kg
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 Fogtec Brandschutz Gmbh & Co. Kg filed Critical Fogtec Brandschutz Gmbh & Co. Kg
Publication of WO2009083331A1 publication Critical patent/WO2009083331A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • 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
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels

Definitions

  • the application relates to a
  • Fire fighting plant protection device with a main blast fluid line and Loschdusen.
  • the application also relates to a fire fighting system with such a protective device.
  • Fire fighting systems are nowadays often installed as widely distributed piping systems.
  • a large building or a tunnel with a Loschfluid Grande or a Loschfluidpumpe is connected with a corresponding piping.
  • a pump such as a high pressure pump
  • Loschfluid driven under pressure through the pipes and discharged from the Loschdusen.
  • Loschdusen produce the finely divided under high pressure water mist have been found to be particularly advantageous.
  • the Loschdusen can be formed as Loschdusenkopfe with Dusennostit.
  • These Dusenurbane in the Loschdusenkopfen can be formed such that finely dispersed mist droplets are applied, which cool the fire and the surrounding area of the fire quickly and thus achieve a good fire fighting result.
  • the piping of buildings or tunnels is complex and expensive. After a successful installation of the fire fighting system must be assured that the piping is safe for many years and safe from destruction.
  • the main blast fluid line which has a large diameter, must be protected from destruction, since exne leakage in the main blast fluid line leads to considerable damage.
  • a leak in the main blast line would significantly affect, if not eliminate, the function of the fire fighting system. Therefore, care must be taken that, in particular, the main blast fluid line is protected from external damage.
  • branches branch off from the main blast fluid lines to which sub-distributions (area distributions) connected to the Loschdusen connect.
  • a subdistribution for example, three or more Loschdusen be provided. It is also possible to provide branches so that they branch to more or less than three Loschdusen.
  • the sub-distributions are usually easily accessible and can be maintained and repaired with less effort than the main blast fluid lines.
  • the main line is already today variously protected against external damage by e.g. is laid behind a wall.
  • the application was based on the object to provide a protection device for the main blast fluid line at your disposal.
  • the application was based on the object to provide a low-maintenance, repairable with little repair cost firefighting system at your disposal.
  • Fire fighting system protection device which has a first connected to a main extinguishing fluid line connection piece.
  • the protective device may have a second connection piece connected to at least one Loschduse.
  • a predetermined breaking body be arranged between the connecting pieces.
  • the protective device is intended to prevent forces from the area piping in the form of being transferred to the main blast fluid line in the event of an accident, causing them to be damaged. This damage could lead to so much fluid escaping that there is not enough fluid available for the areas to be planned.
  • the main blast fluid line breaks, it may no longer be able to bring the fluid to the actual fire area with sufficient pressure.
  • the Loschdusen activated there are no longer supplied with sufficient fluid, making firefighting difficult or even impossible.
  • the main purge fluid line has a large diameter, a large amount of purge fluid leaks out of the main purge fluid line, and the fluid pressure is drastically broken. Therefore, damage to the main blast fluid lines must be prevented. In addition, considerable damage can be caused by escaping extinguishing fluid, for example water.
  • the protective device can be arranged in front of or behind the area valve (sub-distribution).
  • a flow safety device as described below, can be dispensed with a range valve.
  • the application therefore proposes to arrange a predetermined breaking body between the connecting pieces.
  • This can be formed so that it separates the two connecting pieces from each other when bursting, such that the Loschfluid can no longer flow from the first into the second connection Stuck.
  • the Sollbruchkorper can be formed so that it breaks at a force entry m, the second connection piece.
  • the predetermined breaking body may be formed such that a defined force may not be exceeded without breaking the predetermined breaking body.
  • the introduced force may be a shearing force, a torsional force, a tensile force, a compressive force or some other force.
  • the Sollbruchkorper may be designed so that different forces may be required for different force vectors until the Sollbruchkorper breaks. Once the Sollbruchkorper is broken, a force is no longer possible in the main blast fluid line.
  • the Sollbruchkorper is designed so that it breaks before the main extinguishing fluid line can be damaged.
  • the predetermined breaking body substantially prevents a force transmission between the second connecting piece and the main blasting fluid line.
  • the predetermined breaking body can have defined breaking conditions in which it breaks. The fracture conditions may be dependent on the magnitude of the force as well as the force vector.
  • the predetermined breaking body is formed in one piece with the connection pieces.
  • the fittings together with the Sollbruchkorper as an assembly, so that in case of damage this module can be easily replaced.
  • the predetermined breaking body is formed from a different material from the connecting pieces.
  • the connecting pieces are formed of a more elastic material than the predetermined breaking body.
  • the Sollbruchkorper may for example be formed of a brittle material, which breaks at low force entry.
  • the predetermined breaking body for example with a predetermined breaking point. For example, the wall thickness of a tube of the predetermined breaking body can be reduced along the predetermined breaking point.
  • the predetermined breaking body is formed of a flexible material.
  • the flexible material may be formed so that it breaks at a defined force input, so that the force is reliably prevented in the main blast fluid.
  • the Sollbruchkorper is formed as part of a fitting.
  • a fitting for example a fitting, can easily be arranged during assembly between the main blast fluid line and the sub-distribution.
  • the second connection piece is connected via a line distributor with the at least one Loschduse.
  • the line distributor can be, for example, a distribution piece which branches the connection piece to two or more lines. The Loschdusen can then be connected to these lines.
  • a flow safety device In order to prevent that in the case of damage to the subdistributing from the main blast line branching (range distribution) or the bursting of a predetermined breaking body uncontrolled leaking fluid makes firefighting difficult or impossible elsewhere, according to an advantageous exemplary embodiment between the main blast fluid line and subdistribution or Loschduse formed a flow safety device be.
  • the flow control can interrupt the connection between the main blast fluid line and the sub-distribution, the Loschduse and / or the Sollbruchkorper at an upper fluid flow rate. It is possible that the fluid flow rate may be defined at which it can be assumed that the Sollbruchkorper broken or the sub-distribution is damaged. Upon reaching this flow rate, the connection between the main blast fluid line and sub-distribution and / or Sollbruchkorper and / or Loschduse be interrupted.
  • Main blast fluid line and sub-distribution is interrupted by the flow control.
  • the flow control should close because no more Loschfluid should leak.
  • a simple mechanical design of the flow safety device can be achieved according to an advantageous embodiment, in that the flow safety device has a bolt that tapers in the direction of flow.
  • This bolt may be held by a spring in a desired position, for example.
  • the spring force may be such that, as long as the upper fluid flow rate is not reached, the bolt remains substantially maintained at the desired position. If the flow rate exceeds the upper fluid flow rate, the spring force can be overcome and the ver notebookde bolt can against a corresponding counterpart in the Flow control are pressed so that a flow of fluid is prevented.
  • the flow safety may have an inner wall corresponding to the bolt, so that the bolt can fit snugly when the spring force is overcome.
  • the inner wall may have a bolt receiving, also in the flow direction tapering shoulder. When overcoming the spring force, the bolt can be pressed tightly against the inner wall, which can prevent a flow of extinguishing fluid.
  • the bolt is pressed against the inner wall when the upper fluid flow rate is reached.
  • the bolt be forcibly guided parallel to the flow direction.
  • the bolt in a cylindrical portion such as the annular space between the bolt and the inner wall, which does not taper, are held by O-rings in the flow safety device.
  • the flow safety device has an inner diameter provided in the non-tapering part, which is slightly larger than the outer diameter in the cylindrical part of the bolt.
  • one or more O-rings may be provided which force the bolt on the one hand and on the other hand seal.
  • the bolt may be piston-shaped.
  • the bolt may be formed to be tapered in an upper portion and cylindrical in a lower portion.
  • the shape of the bolt can be simulated by the inner wall of the flow safety device with a slightly larger diameter. If the bolt moves in the direction of flow, it can then rest tightly against the inner wall of the flow safety device.
  • the bolt is hollow cylindrical, wherein in the region of the ver Jardinden Circumference of the bolt openings are formed between the inside and the outside of the bolt. Loschfluid can flow in the flow direction along the ver Jardinden section and then through the openings in the interior of the bolt. If the flow rate exceeds the upper purge fluid flow rate, the bolt can be pressed against the inner wall of the flow guard and the ports can be closed. Then, a fluid communication between the inlet and outlet of the flow control is prevented.
  • the protective device may have a predetermined breaking body arranged between the connecting pieces. Also, the predetermined breaking body can substantially prevent a power transmission between the second connecting piece and the main blast fluid line.
  • the protective device is intended to prevent forces from the area piping in the form of being transferred to the main blast fluid line in the event of an accident, causing them to be damaged. This damage could lead to so much fluid escaping that there is not enough fluid available for the areas to be planned.
  • the main blast fluid line breaks, it may no longer be able to bring the fluid to the actual fire area with sufficient pressure.
  • the Loschdusen activated there are no longer supplied with sufficient fluid, making firefighting difficult or even impossible.
  • the main purge fluid line has a large diameter, a large amount of purge fluid exits the main purge fluid line and the Fluid pressure breaks down drastically. Therefore, damage to the main blast fluid lines must be prevented. In addition, considerable damage can be caused by escaping extinguishing fluid, for example water.
  • the protective device can be arranged in front of or behind the area valve (sub-distribution).
  • the application therefore proposes to arrange a predetermined breaking body between the connecting pieces.
  • This can be formed so that it separates the two connecting pieces from each other when bursting, such that the Loschfluid can no longer flow from the first into the second connection Stuck.
  • the Sollbruchkorper may be formed such that it breaks when a force enters the second Krebsstuck.
  • the predetermined breaking body may be formed such that a defined force may not be exceeded without breaking the predetermined breaking body.
  • the introduced force may be a shearing force, a torsional force, a tensile force, a compressive force or some other force.
  • the Sollbruchkorper may be designed so that different forces may be required for different force vectors until the Sollbruchkorper breaks. Once the Sollbruchkorper is broken, a force is no longer possible in the main blast fluid line.
  • the Sollbruchkorper is designed so that it breaks before the main extinguishing fluid line can be damaged.
  • the predetermined breaking body be a Power transmission between the second connection piece and the main blast fluid substantially prevented.
  • the predetermined breaking body can have defined breaking conditions in which it breaks. The fracture conditions may be dependent on the magnitude of the force as well as the force vector.
  • the predetermined breaking body is formed in one piece with the terminal ends.
  • the fittings together with the Sollbruchkorper as an assembly, so that in case of damage this module can be easily replaced.
  • the predetermined breaking body is formed from a different material from the connecting pieces.
  • the connecting pieces are formed of a more elastic material than the predetermined breaking body.
  • the Sollbruchkorper may for example be formed of a brittle material, which breaks at low force entry.
  • the predetermined breaking body for example with a predetermined breaking point. For example, the wall thickness of a tube of the predetermined breaking body can be reduced along the predetermined breaking point.
  • the predetermined breaking body is formed of a flexible material.
  • the flexible material may be formed so that it breaks at a defined force entry, so the force entry in the main blast fluid line is reliably prevented.
  • the predetermined breaking body is formed as part of a Fittmgs.
  • a fitting for example a fitting, can easily be arranged during assembly between the main blast fluid line and the sub-distribution.
  • the second connection piece is connected via a line distributor to the at least one Loschduse.
  • the line distributor can be, for example, a distribution piece which branches the connection piece to two or more lines. The Loschdusen can then be connected to these lines.
  • a firefighting system be equipped with a protective device as described above.
  • the fire fighting system may include a main defroster fluid line and a plurality of Loschdusen.
  • the firefighting system can be arranged, for example, in a tunnel, since in these applications, in particular the main blast line must be protected from damage. Since the main blast fluid line, especially in tunnels, over - -
  • a protective device for industrial plants would also be possible as an independent design.
  • a gas line in particular a
  • a first connection piece connected to a main line could be provided.
  • a second connection piece connected to at least one outlet could also be provided.
  • a flow safety device could be provided between the first connection piece and the second connection piece, in such a way that the flow safety device interrupts the connection between main line and outlet with an upper flow rate. This protective device could be combined with all features of the present application.
  • FIG. 1 shows a fire fighting system in a tunnel
  • Fig. 2 is a view of a protective device
  • Fig. 3a, b is a sectional view of a flow safety device.
  • the Main extinguishing fluid line 4 is connected to at least one fluid reservoir (not shown) and / or at least one high pressure pump (not shown).
  • the Loschduse can be configured for example as Loschdusenkopf 8.
  • one or a plurality of Dusensticken may be provided in Loschdusenkopf 8.
  • the Dusenschreib can be designed so that they produce a fine fluid mist. This is especially possible when using high pressure, in particular about 50 bar.
  • the nozzle heads 8 may be designed as sprinklers or spray flood heads.
  • a fire can be detected, for example, by fire detectors or by a pressure drop in the main blast fluid line 4.
  • the piping may be "dry". This means that under normal conditions (idle state) there is no extinguishing fluid in the pipes of the area distribution. Only in the main blast fluid Loschfluid is also available at rest. If, for example, a fire is detected, the fluid accumulators or pumps, for example high-pressure accumulators or high-pressure pumps, are activated by fire detectors (activation state). Loschfluid flows through the piping to the activated areas and exits from the Loschdusenkopfen 8 arranged there.
  • the piping may already be filled with fluid in the idle state.
  • the Loschdusenkopf 8 responds in case of fire and Loschfluxd leaves the Loschdusenkopf 8. Due to the escape of the extinguishing fluid from the Loschdusenkopf the Fluxddruck decreases in the main blast fluid line 4, which can be detected by a corresponding sensor (not shown). A pressure drop can be evaluated as a fire and the high-pressure pump then drives Loschfluid under high pressure, for example, about 50 bar, in the main blast fluid. Then Loschfluid is applied from all or partially connected Loschdusenkopfen 8, in particular finely distributed Loschnebel can be applied for rapid cooling of the fire.
  • Damage to the main extinguishing fluid line 4 can lead to an uncontrolled outflow of extinguishing fluid. This may result in insufficient fire fluid being available for fire fighting at a location other than the breakage in case of fire.
  • the escaping extinguishing fluid can cause considerable damage.
  • protective devices 6a, b, c are provided between the sub-distributions 10 and the main blast fluid line 4.
  • Such a protective device 6 formed as a flow safety device 12 is shown schematically, for example, in FIG. FIG. 2 shows a first connection piece 5, a flow safety device 12, a predetermined breaking body 14, a second connection piece 7, a line distributor 16, and branches 18a-c. About the branches 18a-c can Loschfluid of the first connection piece 5, via the flow safety device 12, the predetermined breaking body 4, the second connection piece 7 and the line distributor 16 are transported to Loschdusenkopfen 8.
  • the protective device 6 must ensure that only harmless forces enter the main extinguishing fluid line 4 via the first connection piece 5 be introduced.
  • the predetermined breaking body 14 is provided. If tensile, compressive, shear, torsional or other forces occur on the second connecting piece 7 that are greater in magnitude and direction than determined by predetermined parameters, the predetermined breaking body 14 breaks. In this case, a defined fracture condition can be determined by a suitable choice of material and / or the provision of predetermined breaking points in the predetermined breaking body 14 can be determined. If the predetermined breaking body 14 breaks, a further force input via the first connecting piece 5 into the main blast fluid line 4 is avoided. Damage to the main extinguishing fluid line 4 is thus prevented.
  • FIG. 3 a shows a flow safety device 12 with a housing 20, which has an inner wall and an outer wall.
  • a bolt 22 is arranged in the housing 20, which has an inner wall and an outer wall.
  • the bolt 22 has a tapering portion 28.
  • the bolt 22 has a cylindrical portion 29.
  • the bolt 22 may have 26 holes.
  • the bores 26 may run from the outer surface of the bolt 22 into the interior of the bolt 22.
  • a cavity 24 may be provided in the interior of the bolt 22 in the region of the cylindrical portion 29, a cavity 24 may be provided.
  • the bolt 22 may be held by a spring force or other type of force 34 in the position shown in Figure 3, via O-rings 30, the bolt 22 may be held centrally in the housing 20.

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

Abstract

L'invention concerne un dispositif de protection pour des installations de lutte contre les incendies. Pour empêcher qu'une alimentation principale en fluide extincteur ne soit endommagée, l'invention propose qu'un corps de rupture soit disposé entre un élément de raccordement, qui est raccordé à l'alimentation principale en fluide extincteur, et un élément de raccordement, qui est disposé au niveau d'une tête de buse d'extinction.
PCT/EP2008/065446 2007-12-21 2008-11-13 Dispositif de protection pour des installations de lutte contre les incendies WO2009083331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710062834 DE102007062834A1 (de) 2007-12-21 2007-12-21 Schutzeinrichtung für Brandbekämpfungsanlagen
DE102007062834.1 2007-12-21

Publications (1)

Publication Number Publication Date
WO2009083331A1 true WO2009083331A1 (fr) 2009-07-09

Family

ID=40317098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/065446 WO2009083331A1 (fr) 2007-12-21 2008-11-13 Dispositif de protection pour des installations de lutte contre les incendies

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DE (1) DE102007062834A1 (fr)
WO (1) WO2009083331A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465752A (en) * 1994-03-07 1995-11-14 Higgins; Gary Multi-function valve for a riser in a sprinkler system
JPH0871173A (ja) * 1994-09-05 1996-03-19 Honsyu Shikoku Renrakukiyou Kodan 消火装置における緊急遮断弁機構
US6112758A (en) * 1997-12-12 2000-09-05 Wooten; Jeffrey L. Gas line automatic shut-off assembly
DE20021238U1 (de) * 2000-12-15 2001-06-21 Hemsing Sachverständigenbüro für Brandschutz GmbH, 48653 Coesfeld Flächenlöschanlage
WO2006100221A1 (fr) * 2005-03-24 2006-09-28 Fogtec Brandschutz Gmbh & Co. Kg Valve d'entretien facile destinee a des systemes de lutte contre un incendie
US20070095951A1 (en) * 2005-10-24 2007-05-03 Eader Christopher J Flow control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524824A (en) * 1994-10-06 1996-06-11 Frimmer; Elliot M. Sprinkler shut-off valve and indicator
US5758682A (en) * 1996-06-05 1998-06-02 Metal Goods Manufacturing Company Safety shut off valve
US7051951B2 (en) * 2003-11-12 2006-05-30 The Extra Mile Inc. Sprinkler system control device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465752A (en) * 1994-03-07 1995-11-14 Higgins; Gary Multi-function valve for a riser in a sprinkler system
JPH0871173A (ja) * 1994-09-05 1996-03-19 Honsyu Shikoku Renrakukiyou Kodan 消火装置における緊急遮断弁機構
US6112758A (en) * 1997-12-12 2000-09-05 Wooten; Jeffrey L. Gas line automatic shut-off assembly
DE20021238U1 (de) * 2000-12-15 2001-06-21 Hemsing Sachverständigenbüro für Brandschutz GmbH, 48653 Coesfeld Flächenlöschanlage
WO2006100221A1 (fr) * 2005-03-24 2006-09-28 Fogtec Brandschutz Gmbh & Co. Kg Valve d'entretien facile destinee a des systemes de lutte contre un incendie
US20070095951A1 (en) * 2005-10-24 2007-05-03 Eader Christopher J Flow control device

Also Published As

Publication number Publication date
DE102007062834A1 (de) 2009-08-06

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