EP3100770A1 - Melangeur pour un dispositif de lutte contre l'incendie - Google Patents

Melangeur pour un dispositif de lutte contre l'incendie Download PDF

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Publication number
EP3100770A1
EP3100770A1 EP16171739.2A EP16171739A EP3100770A1 EP 3100770 A1 EP3100770 A1 EP 3100770A1 EP 16171739 A EP16171739 A EP 16171739A EP 3100770 A1 EP3100770 A1 EP 3100770A1
Authority
EP
European Patent Office
Prior art keywords
metering
sleeve
additive
main channel
zumischer
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
EP16171739.2A
Other languages
German (de)
English (en)
Other versions
EP3100770B1 (fr
Inventor
Wilfried Unrath
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.)
AWG Fittings GmbH
Original Assignee
AWG Fittings 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 AWG Fittings GmbH filed Critical AWG Fittings GmbH
Priority to SI201630029T priority Critical patent/SI3100770T1/en
Priority to PL16171739T priority patent/PL3100770T3/pl
Publication of EP3100770A1 publication Critical patent/EP3100770A1/fr
Application granted granted Critical
Publication of EP3100770B1 publication Critical patent/EP3100770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/002—Apparatus for mixing extinguishants with water
    • 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 relates to an admixer for a fire extinguishing device for admixing an additive, in particular foaming agent, in the extinguishing water stream, in detail according to the preamble of claim 1.
  • Generic admixers are used in particular to introduce liquid extinguishing agent additives in an adjustable mixing ratio in a quench water stream.
  • such an admixer is coupled in a hose between the fire pump and a foam tube.
  • the foam pipe at the end of the hose line produces an extinguishing foam from the water-extinguishing agent mixture for covering flammable liquids or generally for suffocation of flames.
  • the printed prior art is based on the published patent application DE 10 2006 026 197 A1 in which a generic admixer with a water inlet, a foam agent inlet and an extinguishing agent outlet is disclosed, which has a control piston for an adapted to the amount of extinguishing water admixture of the foaming agent.
  • a metering valve introduced perpendicularly to the main channel has a rotary control which can be rotated in a metering housing in order to change the metered amount of the foam agent.
  • DE 39 23 891 C2 describes a further admixer with an opening perpendicular to the main channel additive channel for admixing a foam or Wetting agent, wherein a metering valve can be connected to the inlet bore of the additive channel.
  • the present invention is therefore an object of the invention to provide a Zumischer for a fire extinguishing device for admixing an additive, such as foaming agent or wetting agent in the extinguishing water flow, wherein the admixer is improved in terms of robustness and the adjustment of the dosing and avoids unintentional adjustment or inaccurate dosing becomes.
  • An admixer according to the invention for a fire extinguishing device for admixing an additive in the extinguishing water flow has a base body which forms a main channel for the extinguishing water and admixture for the mixture of extinguishing water and additive and which extends at least partially along a longitudinal axis and a water inlet end and an extinguishing agent outlet end having.
  • the water intake end and the Extinguishing agent outlet are connected to each other via the main channel flow-conducting.
  • the main channel extends from the water inlet end to the extinguishing agent outlet end along the linear longitudinal axis and the water inlet end in particular aligns with the extinguishing agent outlet end.
  • the base body is at least substantially cylindrical, in particular formed from a cylinder sleeve.
  • an additive channel which extends from an additive inlet and opens into the main channel.
  • the additive medium channel is arranged perpendicular to the main channel.
  • the additive medium channel has a significantly smaller flow cross section than the main channel.
  • the adjustment of the metering of the additive flowing from the additive channel into the main channel additive into the interface between the additive channel and the main channel is integrated by a the main channel is provided directly or indirectly surrounding the main channel in the main channel over its outer circumference dosing sleeve in the region of the mouth of the additive channel , which has a plurality of circumferentially spaced-apart metering holes with mutually different sized cross-sectional areas or at least one extending over the circumference metering opening whose width in the direction of the main channel is running increasingly tapered over the circumference, so that, as below is explained, individual peripheral portions of this metering with different widths can be used to control or adjustment of the additive flow.
  • the metering sleeve is associated with the metering sleeve in the circumferential direction radially inside or outside encompassing diaphragm body, wherein the Dosing sleeve and / or the visor body in the circumferential direction is rotatable / and the visor body has an aperture which can be brought by rotating the visor body and / or the metering sleeve in the circumferential direction in alignment with one of the metering holes or a peripheral portion of the metering thereby reducing or increasing in its cross-sectional area through the aperture opening and the metering bore or the aperture opening and the peripheral portion of the metering through a common cross-section through the diaphragm body and the metering sleeve.
  • the additive channel opens out via the aperture and aligned with this metering or through the aperture and aligned with the aperture opening circumferentially of the metering in the main channel.
  • the visor body is designed as a closed over the circumference, the main channel at least indirectly enclosing diaphragm sleeve.
  • a closed diaphragm sleeve is formed in particular by the main body itself.
  • the metering sleeve is slidably mounted within the base body on a radially inwardly directed peripheral surface of the base body and in particular sealed against this.
  • a radially outside on the base body rotatable about the circumference adjusting ring can be positioned, which is mounted in particular on a radially outwardly directed peripheral surface of the body slidably, wherein the adjusting positively and / or non-positively connected to the dosing sleeve for common rotation with this is, in particular torsionally rigid connected to this.
  • a torsionally rigid connection can be provided by an elongated hole extending over the circumference of the main body between the adjusting ring and the metering sleeve.
  • Such Connection can be made for example by a pin, in particular threaded pin, or a screw or the like. If such a pen or the like is visually or haptically recognizable from the outside, this can additionally be used as an indicator of the current setting or a common setting, for example with a dosage of three percent. In such a percentage indication of the dosage, the percentage of the amount or the volume of the additive based on the amount or the volume of the extinguishing water is given.
  • a locking device is provided, via which the relative position in the circumferential direction between the diaphragm body and the dosing sleeve in individual over the circumference at a distance from each other positioned locking positions can be fixed.
  • a locking device can be formed for example by one or more locking pins between the adjusting ring and the main body.
  • the metering or the metering is provided in a conical axial portion of the metering, wherein the conical axial section tapers in particular in the flow direction of the fire water through the main channel, therefore in the direction of the flow of extinguishing water from the water inlet end to the Löschschitzausementsde.
  • the cone of the dosing sleeve is pressed sealingly against the base body by the flow pressure of the extinguishing water in the main channel, so that when individual dosing bores are provided, they are sealed against one another or the circumference of the dosing opening is sealed.
  • a biasing force is applied to the dosing sleeve, which acts either in the direction of flow pressure to reinforce the seal, or in another embodiment, against the flow pressure around the friction between the dosing and the body to reduce.
  • a sliding surface between the base body and the metering sleeve may be provided with Teflon, in particular having a Teflon coating.
  • the additive channel can open into a main channel throat to form a venturi.
  • the Venturi nozzle is formed in particular by the metering sleeve, for example, the flow cross section of the main channel tapers directly within the metering sleeve accordingly.
  • the dosing sleeve can be supported against the base body with a biasing force in the direction of the longitudinal axis, for example in the flow direction of the extinguishing water from the water inlet end to the extinguishing agent outlet end.
  • a support ring screwed into the base body is provided for this purpose in the region of the water inlet end, which exerts the pretensioning force in an adjustable manner against the dosing sleeve, in particular via an O-ring or another seal.
  • the biasing ring may have recesses or projections for applying a tool, for example, distributed over the circumference arranged recesses into which corresponding pins of the tool can engage.
  • a check valve is provided in the additive channel, which opens in the direction of flow of the additive, that is in the direction of the main channel, and accordingly closes in the opposite direction.
  • a support stand in particular with a floor standing surface or a wall connection surface, and the base body is mounted at least partially rotatable in the circumferential direction over its longitudinal axis in the support stand.
  • the base body is mounted at least partially rotatable in the circumferential direction over its longitudinal axis in the support stand.
  • the base body can adapt to hose movements.
  • O-rings in particular Teflon O-rings serve
  • an axial securing can serve in particular by at least one engaging in a circumferential groove in the base pin, such as threaded pin of the Tag Parters. If such a pin is firmly screwed, however, a fixation of the body is achieved against rotation in the support stand.
  • the admixture according to the invention is characterized by robustness, a compact design, a cost-effective production and by the possible setting of many different Zumischraten, for example from 0 - 0.1 - 0.2 - 0.5 -1 - 2 - 3 - 4 -. 5 - 6% off.
  • individual rates can be omitted or other rates added.
  • a Zumischers invention comprising a main body 1, which has a main channel 2, which extends from a water inlet end 3 to a extinguishing agent outlet end 4.
  • a main channel 2 which extends from a water inlet end 3 to a extinguishing agent outlet end 4.
  • Storz couplings are provided for connecting a fire hose or other fire department.
  • the additive inlet 6 has, for example, a Storz coupling.
  • a check valve 7 is provided in the additive channel 5.
  • the main body 1 is rotatably mounted in a support stand 8.
  • the shown Support stand 8 has a support ring 9 which surrounds the base body 1.
  • a slide bearing is formed by two O-rings 10 between the support ring 9 and the outer surface of the main body 1.
  • the main body 1 is secured in the support ring 9 by a screwed into a circumferential groove in the base body 1 locking pin 11 of the support ring 9 against axial displacement.
  • the additive channel 5 opens via a metering sleeve 13 in the main channel 2.
  • the metering sleeve 13 is rotatably mounted in the illustrated embodiment in the base body 1, which at the same time forms a diaphragm body 14 for the metering sleeve 13 or for individual metering holes 15 in the metering sleeve 13.
  • the metering holes 15 are arranged one behind the other in the circumferential direction of the metering sleeve 13, in the present case on a conical axial section 16 of the metering sleeve 13.
  • the metering holes 15 can be brought by rotation of the metering sleeve 13 either in an aligned alignment with the aperture 17 of the visor body 14, here the base body 1. Depending on which of the metering holes 15 is aligned with the aperture 17, a more or less large flow cross-section for the additive is provided, via which the additive channel 5 opens into the main channel 2.
  • the rotation of the dosing sleeve 13 takes place by means of the adjusting ring 18 which is rotatably mounted radially on the base body 1 outside.
  • the adjusting ring 18 is connected via a threaded pin 19 which is screwed through a hole in the adjusting ring 18 and a slot 20 in the base body 1 in the dosing sleeve 13, positively connected to the dosing sleeve 13.
  • the threaded hole in the dosing sleeve 13 is in the FIG. 3 denoted by 21.
  • the protruding in the embodiment shown in the radial direction from the adjusting ring 18 threaded pin 19 also serves as an indicator of the relative position of the adjusting ring 18 on the base body 1 and thus the dosing sleeve 13 within the body.
  • the adjusting ring 18 is elastically supported in the radial direction locking pins 22 which engage in corresponding detent openings 23 on the outer circumference of the base body 1, for selecting predetermined relative positions between the base body 1 and the adjusting ring 18 relative to the base body 1, so that an indexing is achieved.
  • base body 1 recesses or circumferential grooves serve to save weight.
  • Another grub screw 24 is used in the illustrated embodiment as a pointer for a scale on the adjusting ring 18th
  • the additive channel 5 is advantageously formed by a pipe section 25, which is designed in one piece with the base body 1 or screwed into this or otherwise secured to this form-fitting or cohesively.
  • the additive channel 5 opens via the aperture 17 and the corresponding metering 15 in a Hauptkanalengstelle 26 in the main channel 2, so that a Venturi nozzle is formed, via which the additive is automatically sucked into the main channel 2 and thus the extinguishing water.
  • the main channel throat 26 is formed in particular directly by the main channel 2 immediately enclosing dosing sleeve 13.
  • a support ring 27 is screwed into the main channel 2, which has a supporting force in addition to the flow force of the Löschwassers on the dosing sleeve 13 exerts to press the conical axial portion 16 against a similar surface in the base body 1 and thereby seal the metering holes 15 against each other, so that no additive can flow over the outer periphery of the metering 13 to a further metering 15 and exclusively through the in alignment with the aperture 17 aligned metering bore 15 flows.
  • FIG. 7 is again the possible design of the support post 8 with the support ring 9 and the support 12 is shown. However, other designs could be chosen.
  • FIG. 8 an alternative embodiment of a metering sleeve 13 is shown, which instead of the previously shown individual metering holes 15 has a circumferentially extending metering opening 28 which cooperates here with a radially positioned within the metering sleeve 13 aperture 17 to the flow cross section for the additive more or less limit, depending on the rotational position of the metering sleeve 13 relative to the diaphragm opening 17 having diaphragm body 14.
  • the metering sleeve 13 is mounted radially outwardly rotatable on the visor body 14, which is not mandatory.
  • the free flow cross section for the additive is reduced by rotation of the metering sleeve 13 in a first direction and increased by rotating the metering sleeve 13 in the opposite circumferential direction.
  • the base body 1 and the metering sleeve 13 extend concentrically to the linear longitudinal axis 29 and embodiments could be provided with a curved or angled main channel 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Nozzles (AREA)
  • Accessories For Mixers (AREA)
  • Measuring Volume Flow (AREA)
EP16171739.2A 2015-06-02 2016-05-27 Melangeur pour un dispositif de lutte contre l'incendie Active EP3100770B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201630029T SI3100770T1 (en) 2015-06-02 2016-05-27 Mixing device for fire extinguisher
PL16171739T PL3100770T3 (pl) 2015-06-02 2016-05-27 Zasysacz liniowy do urządzenia do gaszenia ognia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015210181.9A DE102015210181B3 (de) 2015-06-02 2015-06-02 Zumischer für eine Feuerlöschvorrichtung

Publications (2)

Publication Number Publication Date
EP3100770A1 true EP3100770A1 (fr) 2016-12-07
EP3100770B1 EP3100770B1 (fr) 2018-03-14

Family

ID=56096506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16171739.2A Active EP3100770B1 (fr) 2015-06-02 2016-05-27 Melangeur pour un dispositif de lutte contre l'incendie

Country Status (4)

Country Link
EP (1) EP3100770B1 (fr)
DE (1) DE102015210181B3 (fr)
PL (1) PL3100770T3 (fr)
SI (1) SI3100770T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017107294U1 (de) 2017-11-30 2017-12-18 Jochen Widenmann Zumischer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016226203A1 (de) 2016-12-23 2018-06-28 TKW Armaturenvertriebs GmbH Dosiervorrichtung und Zumischer für Feuerlöschzwecke
CN111632323B (zh) * 2020-06-10 2022-06-07 江门市侨乡机电消防工程有限公司 一种消防用喷水管安装装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923891A1 (de) * 1989-07-19 1991-01-24 Total Feuerschutz Gmbh Zumischeinrichtung
DE4115101A1 (de) 1991-05-08 1992-11-12 Total Feuerschutz Gmbh Dosierventil fuer schaummittel
DE202004009297U1 (de) 2004-06-11 2004-09-09 Max Widenmann Kg Armaturenfabrik Dosiervorrichtung für Ansaugapparate, insbesondere für Schaummittelzumischer für Feuerlöschzwecke
FR2856603A1 (fr) 2003-06-26 2004-12-31 Sides Lance a incendie du type a jet modulable
DE102006026197A1 (de) 2005-06-06 2006-12-07 Max Widenmann Kg Armaturenfabrik Zumischer für eine Feuerlöschvorrichtung
US20140084076A1 (en) 2012-09-21 2014-03-27 Akron Brass Company Foam-applying nozzle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923891A1 (de) * 1989-07-19 1991-01-24 Total Feuerschutz Gmbh Zumischeinrichtung
DE3923891C2 (fr) 1989-07-19 1993-04-22 Reinhard Dipl.-Ing. 6905 Schriesheim De Lansche
DE4115101A1 (de) 1991-05-08 1992-11-12 Total Feuerschutz Gmbh Dosierventil fuer schaummittel
FR2856603A1 (fr) 2003-06-26 2004-12-31 Sides Lance a incendie du type a jet modulable
DE202004009297U1 (de) 2004-06-11 2004-09-09 Max Widenmann Kg Armaturenfabrik Dosiervorrichtung für Ansaugapparate, insbesondere für Schaummittelzumischer für Feuerlöschzwecke
DE102006026197A1 (de) 2005-06-06 2006-12-07 Max Widenmann Kg Armaturenfabrik Zumischer für eine Feuerlöschvorrichtung
US20140084076A1 (en) 2012-09-21 2014-03-27 Akron Brass Company Foam-applying nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017107294U1 (de) 2017-11-30 2017-12-18 Jochen Widenmann Zumischer

Also Published As

Publication number Publication date
EP3100770B1 (fr) 2018-03-14
DE102015210181B3 (de) 2016-07-07
PL3100770T3 (pl) 2018-07-31
SI3100770T1 (en) 2018-04-30

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