EP1473061A1 - Procédé d'addition (dosage) d'additifs liquides dans des installations de lutte contre l'incendie avec agents d'extinction à base d'eau - Google Patents

Procédé d'addition (dosage) d'additifs liquides dans des installations de lutte contre l'incendie avec agents d'extinction à base d'eau Download PDF

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Publication number
EP1473061A1
EP1473061A1 EP04009946A EP04009946A EP1473061A1 EP 1473061 A1 EP1473061 A1 EP 1473061A1 EP 04009946 A EP04009946 A EP 04009946A EP 04009946 A EP04009946 A EP 04009946A EP 1473061 A1 EP1473061 A1 EP 1473061A1
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EP
European Patent Office
Prior art keywords
extinguishing agent
sprinkler
additive
extinguishing
agent additive
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.)
Granted
Application number
EP04009946A
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German (de)
English (en)
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EP1473061B1 (fr
Inventor
Alexander Vonhof
Stefan Rassek
Matthias Dietrich
Andreas Waetzoldt
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.)
Rassek Bernd-Dietrich
Original Assignee
Rassek Bernd-Dietrich
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Application filed by Rassek Bernd-Dietrich filed Critical Rassek Bernd-Dietrich
Publication of EP1473061A1 publication Critical patent/EP1473061A1/fr
Application granted granted Critical
Publication of EP1473061B1 publication Critical patent/EP1473061B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/02—Making of fire-extinguishing materials immediately before use of foam

Definitions

  • the present invention further relates to a method for operating a proportioning system according to the type set out above and / or an extinguishing or sprinkling system according to the above Art.
  • Fixed extinguishing systems are basically designed so that one central point, for example from the sprinkler control center, from a pipeline network is carried out in which the liquid medium up to the source of the fire reaches, where the liquid medium unfolds its extinguishing effect.
  • the Water is usually used as an extinguishing agent.
  • extinguishing systems can be divided into two groups: in wet extinguishing systems and in dry extinguishing systems.
  • wet The extinguishing agent is already in the extinguishing system before it is triggered the fire extinguishing system in the pipelines; the medium is thus immediately when the extinguishing system is activated at the fire site.
  • dry The pipeline network In the dry The pipeline network, on the other hand, will not be extinguished until it is triggered or operating the fire extinguishing system.
  • the additive is usually used in wet or dry extinguishing systems added to the extinguishing agent at a central point (hereinafter Called “Case A”) or the extinguishing agent in wet extinguishing systems "from mixed in at the front (hereinafter referred to as "Case B”; see also VdS CEA 4001: 2003-01 “Sprinkler systems - planning and installation", appendix M).
  • premix mixture of extinguishing water and additives directly at the trigger point, which is why from in a premix system.
  • the additive is already added in the extinguishing center.
  • the premixed mixture of extinguishing agent and additive is required a significant path and therefore a significant one Time until it reaches the fire site. Until that time, the may be necessary for successful fire fighting, the for the extinguishing system provided increased extinguishing effect compared to that previously Extinguishing agent not reached.
  • Extinguishing agents approved in Germany are also in accordance with the state regulations always biological using fire extinguishers and fire extinguishing agents designed tolerably.
  • the additive is therefore used in premix solutions gradually biodegraded so that the extinguishing effect with the Time wears off.
  • Another aspect relates to environmental protection.
  • the effectiveness drops of the extinguishing agent additive below a certain value is that fill the entire pipeline network with a new premix.
  • the additives generally represent water-polluting substances and the disposal effort accordingly is high.
  • EP 1 029 560 A2 is a mobile device Fire fighting pump unit known either individually or both wet or dry foam and water at the same time Extinguishing media can provide. This pump unit is also designed for only one fire water pipe.
  • a check valve in front of the admixing unit a check valve can be arranged in the extinguishing agent guide a Venturi nozzle used.
  • Venturi or similar known admixing systems are disadvantageous of both outlet and flow pressures as well as back pressures in the suction and pressure side water and additive lines heavily dependent.
  • Venturi principle is available in various technical versions, for example as a suction mixer, as a constant pressure mixer or as a bladder tank mixer (excess pressure on the suction side of the Additive, used among other things in sprinkler systems). Indeed these systems all work on the basis of the injector principle.
  • the length of the suction section of the Venturi admixer is limited Intake quantity depends on the pressure. To the system for sprinkler systems too stabilize, the additive is therefore put under pressure (bladder tank), to make suction easier and to fix the admixing rate.
  • the variant according to the publication DE 37 26 672 A1 is not for one Fire extinguishing system with a variety of sprinkler or sprinkler units suitable, because in this case the extinguishing agent mixture only gets with a time delay to the sprinkler or sprinkler units that are not close to the fire pump.
  • the extinguishing agent additive is also used as an extinguishing agent additive can be called the extinguishing agent only at the moment of commissioning the admixing system or the admixing system according to the invention having extinguishing or sprinkling system added, the additive or additive pump with each of the Sprinkler or sprinkler units with at least one each Extinguishing agent line is connected.
  • the respective sprinkler or sprinkler unit merged and / or united.
  • the extinguishing agent is added or the additive, that is, the additive only as close as possible the fire site added to the pipe network of the extinguishing agent, the is called the sprinkler group.
  • the additive or admixture under pressure as close as possible to the individual sprinkler groups and thus fed into the fire water pipe.
  • the Extinguishing agent additive line already filled with the additive, this Additive only when the admixing system and / or the Extinguishing or sprinkler system is added to the extinguishing agent.
  • the invention is characterized by its simple Structure, their practicality in fire fighting and their good Can be retrofitted into existing extinguishing or sprinkler systems.
  • the Extinguishing agent additive or admixing pump on hydraulic drive.
  • This Extinguishing agent volume flows through the drive.
  • the mechanics in Inside the drive takes advantage of the pressure differences that arise and converts these pressure differences in stroke or rotary movements.
  • the extinguishing agent additive pump with the drive via at least a mechanical clutch for torque transmission connected and promotes the additive from the extinguishing agent additive or storage container into the additive lines and from there indirectly into the extinguishing water volume flow the sprinkler or sprinkler units, for example the Sprinkler.
  • the additive or extinguishing agent additive pump is advantageously as at least one piston pump, because such a pump can overcome the pressure drops in the suction and admixing lines and produce the pressure increase necessary for admixing.
  • additive pump Coupling and piping system
  • components of the admixing system according to the invention Structure and ventilation on.
  • At least three sprinkler or sprinkler units advantageously at least one of the extinguishing agent lines each at least two of the sprinkler or sprinkler units with the Connect extinguishing agent pump. This allows the installation and operation of the extinguishing agent lines minimized the effort involved become.
  • each sprinkler or sprinkler unit preferably no more than one Extinguishing agent additive line assignable.
  • Another advantageous embodiment of the present invention exists in that by means of at least one ring line, for example in Form at least one of the extinguishing agent additive container and the extinguishing agent additive lines interconnecting extinguishing agent return, a return of the extinguishing agent additive into the extinguishing agent additive container is guaranteed to prevent flocculation or decomposition of the To prevent the addition of extinguishing agent.
  • Extinguishing agent pump essential to the invention Extinguishing agent additive from the extinguishing agent additive container also over longer periods Sucking out distances constantly, unlike other known ones Extinguishing systems, such as extinguishing systems with venturi bladder tank admixers, in the present invention in a preferred manner pressurized extinguishing agent additive container can be used.
  • the present invention works when used such an extinguishing agent pump depending on the flow rate in the water pipe, but regardless of the pressure in the Wasserieitung.
  • This offers the advantage that the extinguishing agent is added Extinguishing agent mixed regardless of the pressure in the extinguishing agent line can be; on the other hand, venturi or similar known admixing systems of outlet and flow pressures as well as back pressures in the suction and pressure side water and additive lines heavily dependent.
  • the extinguishing agent lines can achieve the minimum admixing rate have at least one control and / or regulating unit.
  • This Control and / or regulating unit can be used as at least one electronic, hydraulic and / or mechanical device to be designed the extinguishing or sprinkler system is adapted.
  • this control and / or regulating unit can be at least a pressure limiter can be designed which, when a limit is exceeded or delivery pressure the extinguishing agent additive via the extinguishing agent additive return leads back into the extinguishing agent additive container.
  • control unit can be used for Example to act as a spring-loaded pressure relief valve the requirements of the sprinkler system is set manually. If necessary, excess additive can be placed in the additive container be returned.
  • Install component components This is usually the installation of at least a sudschiagventii at at least one mixing point, the means in the area before, especially just before, the confluence of the respective Extinguishing agent additive line useful in the respective extinguishing agent line, to prevent the additive from entering the fire water pipe to prevent.
  • a two-stage or multi-stage Non-return system with flushing device can be provided. In any case the execution should be determined on a plant and user-specific basis.
  • This method is based on a decentralized admixture of the Extinguishing agent additive in the extinguishing agent line near the fire, where the admixture is carried in separate pipelines.
  • the method according to the present invention reduces the time until the mixture is made available at the fire site and on the other hand the problems with the pipeline network and the Premix.
  • the procedure is for all liquid extinguishing agent additives as well as for new extinguishing or sprinkler systems as well Suitable for retrofitting existing extinguishing or sprinkler systems.
  • the procedure described is primarily for deleting at least a fire and / or at least one fire, in particular at least a damage fire, and / or for surface cooling by means of a fixed or partially movable extinguishing system or sprinkler system, in particular according to DIN 14011-5: 1980-05, provided (here under a fire understood a so-called "damage fire” that one causes unintended damage and / or its intended Leaves place, whereas a so-called “useful fire” to none Causes damage and / or does not leave its intended location).
  • the invention finally relates to the use at least a proportioning system according to the type set out above and / or at least one extinguishing or sprinkling system according to the type and / or a method according to the above set out in at least one or as at least one stationary or partially movable extinguishing system or sprinkler system, in particular according to DIN 14011-5: 1980-05.
  • the central extinguishing agent line 26z is over six extinguishing agent lines 26a, 26b, 26c, 26d, 26e, 26f with six sprinkler units 10, namely six sprinkler groups 10a, 10b, 10c, 10d, 10e, 10f connected.
  • the sprinkler groups 10a, 10b, 10c, 10d, 10e, 10f are one Object 70, for example assigned to a building.
  • the additive groups 36adp1, 36bep2, 36cfp3 are managed so that the additive 32 is admixed to the sprinkler groups 10; offset means that when the extinguishing system 200 is triggered, each sprinkler group 10 until the respective effective area of the extinguishing system is reached 200 assigned exactly one additive group 36adp1, 36bep2, 36cfp3 is. This is necessary so that the required minimum admixing rate is reached becomes.
  • the additive lines 36 or the division of the additive groups 36adp1, 36bep2, 36cfp3 is therefore defined in relation to the object 70.
  • An example of an object 70 that matches FIG. 1 and FIG. 2 can be shown in FIG 3 are removed.
  • the additive 32 is thus decentralized to the extinguishing agent 22 admixed (see Figures 1 and 2).
  • the mixing points are for this 12a or 12b or 12c or 12d or 12e or 12f, i.e. the junctions the additive lines 36a or 36b or 36c or 36d or 36e or 36f into the respective extinguishing agent line 26a or 26b or 26c or 26d or 26e or 26f as close as possible to the individual sprinkler groups 10a or 10b or 10c or 10d or 10e or 10f and thus brought up to the source of the fire.
  • Such a structure of the sprinkler system 200 enables it to be essential to the invention Way, the addition of the extinguishing agent additive 32 centrally to control and at the same time the extinguishing agent additive 32 and the extinguishing agent 22 to mix in decentrally.
  • the admixer 34 (dosing pump or dosing unit) for the additive 32 of the extinguishing system 200 is designed such that the admixer 34 has a required admixture in the extinguishing agent lines 26 allows.
  • pumps 34p1, 34p2, 34p3 are suitable, by means of which the Additive 32 are introduced under pressure into the extinguishing agent line 26 can.
  • Piston pumps are suitable, for example; Pumping after Venturi principle or other "passive" admixing systems are less good suitable.
  • FIG. 2 shows that the metering unit or the admixer 34 is on a hydraulic drive 34a is based.
  • the drive 34a is from Extinguishing water volume flows through the central extinguishing agent line 26z.
  • the mechanics in the interior of the drive 34a make use of pressure differences that arise and converts these pressure differences into a stroke and / or Rotational movement around.
  • FIG. 2 shows that the admixer 34 contains the additive 32 by means of three, with the drive 34a via a mechanical Coupling 34k for torque transmission of connected extinguishing agent additive pumps 34p1 or 34p2 or 34p3 from the storage container 30 into the Additive lines 36p1 or 36p2 or 36p3 and from there indirectly in the extinguishing water volume flow of sprinkler groups 10a, 10d and 10b, 10e or 10c, 10f promotes.
  • the admixer 34 is able to add each strand of admixture or each additive group 36adp1, 36bep2, 36cfp3 separately.
  • a multi-stage Piston pump as admixer 34 or as an extinguishing agent pump 34p1, 34p2, 34p3 can be used.
  • the described functionality of a sprinkler system is sufficient 200 in order to ensure the appropriate fire fighting Protection goals of fire and fire protection and / or surface cooling to meet.
  • the Functional reliability of the extinguishing or sprinkler system 200 an exact If the proportioning rate is reached, further measures can be taken.
  • Figure 2 are also the check valves equipped with spring dynamics 14a or 14b or 14c or 14d or 14e or 14f opposite Check valves 16a or 16b or 16c or 16d or 16e or 16f arranged without (spring) dynamics.
  • shut-off valves 42, 44 advantageously serve as a semi-stationary extinguishing system Functional way to connect extinguishing agent (additive).
  • Each piston of the admixing pump 34 has approximately a fixed admixing rate of percent, so when opening two sprinkler groups 10 (or additive groups) a total admixing rate of two percent, with three sprinkler groups 10 of three percent etc.
  • the proportioning rate is not evenly distributed across sprinkler groups 10a, 10b, 10c, 10d, 10e, 10f, but proportional to that in each sprinkler group 10a, 10b, 10c, 10d, 10e, 10f open sprinkler heads.
  • FIG. 4 An exemplary representation of the admixing rates for a sprinkler system 200 when several sprinkler groups 10a respond, 10b, 10c, 10d, 10e, 10f with a total of forty sprinkler heads (fictitious maximum The effective area of the sprinkler system) can be seen in FIG. 4.
  • Figure 4 on the right axis is the number of all sprinklers open minus the open sprinkler one, namely the one to be viewed Subgroup shown; the vertical axis shows the admixing rate of the considered Subgroup in percent.
  • N indicates the number of sprinklers again, and H represents the main group.
  • the main group is the sprinkler group, where most sprinkler heads are open. In the course of a Fire events can occur by opening the sprinkler heads at different times Main and sub-groups vary in different sprinkler groups or switch.
  • an overdose is in any case use the individual sprinkler groups 10a, 10b, 10c, 10d, 10e, 10f, so that the minimum admixing rate (here: one percent) is not undercut becomes.

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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)
  • Fire-Extinguishing Compositions (AREA)
EP04009946A 2003-04-30 2004-04-27 Procédé d'addition (dosage) d'additifs liquides dans des installations de lutte contre l'incendie avec agents d'extinction à base d'eau Expired - Lifetime EP1473061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10319726 2003-04-30
DE10319726 2003-04-30

Publications (2)

Publication Number Publication Date
EP1473061A1 true EP1473061A1 (fr) 2004-11-03
EP1473061B1 EP1473061B1 (fr) 2009-07-08

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EP04009946A Expired - Lifetime EP1473061B1 (fr) 2003-04-30 2004-04-27 Procédé d'addition (dosage) d'additifs liquides dans des installations de lutte contre l'incendie avec agents d'extinction à base d'eau

Country Status (4)

Country Link
US (1) US7337857B2 (fr)
EP (1) EP1473061B1 (fr)
AT (1) ATE435688T1 (fr)
DE (2) DE502004009707D1 (fr)

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US8087407B2 (en) * 2004-03-23 2012-01-03 Middleby Corporation Conveyor oven apparatus and method
US20090056960A1 (en) * 2007-02-20 2009-03-05 Jack Canady Warehouse Zoned Sprinkler System
US7703543B2 (en) 2007-10-12 2010-04-27 Fm Global Technologies Fire fighting foam dispensing system and related method
US8789614B2 (en) * 2008-04-21 2014-07-29 Fire Research Corp. Ultra-high pressure fire-fighting system
US8183810B2 (en) 2009-09-08 2012-05-22 Hoffman Enclosures, Inc. Method of operating a motor
US20110056707A1 (en) * 2009-09-08 2011-03-10 Jonathan Gamble Fire-Extinguishing System and Method for Operating Servo Motor-Driven Foam Pump
US8297369B2 (en) * 2009-09-08 2012-10-30 Sta-Rite Industries, Llc Fire-extinguishing system with servo motor-driven foam pump
US8164293B2 (en) * 2009-09-08 2012-04-24 Hoffman Enclosures, Inc. Method of controlling a motor
US11697042B2 (en) * 2019-05-10 2023-07-11 Earthclean Llc Apparatus for diluting and applying firefighting chemical
NL2023888B1 (nl) * 2019-09-24 2021-04-13 Hytrans Beheer B V Mobiel pompsysteem met doseerpomp en werkwijze daarvoor
US11975229B2 (en) * 2020-01-20 2024-05-07 E-One, Inc. Fire suppression system
US11660485B2 (en) * 2020-05-15 2023-05-30 E-One, Inc. Fire suppression system

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US346571A (en) * 1886-08-03 Automatic fire-extinguisher
US1403596A (en) * 1917-02-09 1922-01-17 Foamite Firefoam Company Apparatus for extinguishing fires
EP0638333A1 (fr) * 1993-08-13 1995-02-15 VOGT AG, Feuerwehrgeräte- und Fahrzeugbau Système mélangeur de mousse avec pompe de mousse et commande de secours
EP1147788A2 (fr) * 2000-03-21 2001-10-24 Vigh, Andreas, Dipl.-Ing. (FH) Dispositif mélangeur avec ou sans utilisation d'air comprimé disposé côté pression de pompe

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US1467377A (en) 1919-03-06 1923-09-11 Ohio Automatic Sprinkler Compa Foam-producing fire-extinguishing apparatus
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US5174383A (en) * 1988-09-08 1992-12-29 Hypro Corporation Apparatus and method for controlling the introduction of chemical foamant into water stream in fire-fighting equipment
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Publication number Priority date Publication date Assignee Title
US346571A (en) * 1886-08-03 Automatic fire-extinguisher
US1403596A (en) * 1917-02-09 1922-01-17 Foamite Firefoam Company Apparatus for extinguishing fires
EP0638333A1 (fr) * 1993-08-13 1995-02-15 VOGT AG, Feuerwehrgeräte- und Fahrzeugbau Système mélangeur de mousse avec pompe de mousse et commande de secours
EP1147788A2 (fr) * 2000-03-21 2001-10-24 Vigh, Andreas, Dipl.-Ing. (FH) Dispositif mélangeur avec ou sans utilisation d'air comprimé disposé côté pression de pompe

Also Published As

Publication number Publication date
EP1473061B1 (fr) 2009-07-08
DE502004009707D1 (de) 2009-08-20
US20050023006A1 (en) 2005-02-03
DE102004020920A1 (de) 2004-11-25
US7337857B2 (en) 2008-03-04
ATE435688T1 (de) 2009-07-15

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