EP1183483B1 - Dispositif pour bruleur de gaz - Google Patents

Dispositif pour bruleur de gaz Download PDF

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Publication number
EP1183483B1
EP1183483B1 EP00940268A EP00940268A EP1183483B1 EP 1183483 B1 EP1183483 B1 EP 1183483B1 EP 00940268 A EP00940268 A EP 00940268A EP 00940268 A EP00940268 A EP 00940268A EP 1183483 B1 EP1183483 B1 EP 1183483B1
Authority
EP
European Patent Office
Prior art keywords
air
shut
air nozzles
assigned
nozzles
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.)
Expired - Lifetime
Application number
EP00940268A
Other languages
German (de)
English (en)
Other versions
EP1183483A1 (fr
Inventor
Piet Blaauwwiekel
Albert Hietkamp
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.)
Honeywell BV
Original Assignee
Honeywell BV
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 Honeywell BV filed Critical Honeywell BV
Publication of EP1183483A1 publication Critical patent/EP1183483A1/fr
Application granted granted Critical
Publication of EP1183483B1 publication Critical patent/EP1183483B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/027—Regulating fuel supply conjointly with air supply using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/10—High or low fire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7847—With leak passage
    • Y10T137/7849—Bypass in valve casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87571—Multiple inlet with single outlet
    • Y10T137/87587—Combining by aspiration
    • Y10T137/87643—With condition responsive valve

Definitions

  • the invention relates to a device for gas burners with several air nozzles for Combustion air according to the preamble of claim 1.
  • a device for gas burners with several air nozzles for Combustion air according to the preamble of claim 1.
  • Such a device is from Document Patent Abstracts of Japan, vol. 012, no. 229 (M-714), June 29, 1988 already known.
  • a device according to the prior art is from the DE utility model 298 01 429 known. Combustion air is moved through air nozzles connected in parallel, with the device shown there the minimum power and thus the lower Modulation range of the device by the sum of the minimum powers of all air nozzles connected in parallel is determined. This lower modulation range limits the field of use of such devices according to the prior art. Further devices according to the prior art are known from JP 57-188917A, JP 57-31716A, DE 197 28 965 A1 and FR 758 974 are known.
  • the present invention is based on the problem of a To provide a device for gas burners with multiple air nozzles for combustion air which has a larger modulation range and thus a larger area of application.
  • Figure 1 shows a first embodiment of a device according to the invention two air nozzles 10, 11 and a gas nozzle 12, the gas nozzle 12 flowing gas stream with those flowing through the air nozzles 10, 11 Combustion air flows is mixed and the device according to the invention leaves a mixture outlet 13 in the direction of a gas burner, the gas burner Burner flames 14 are shown.
  • the two air nozzles 10, 11 of the exemplary embodiment according to FIG. 1 are on the one hand as Venturi nozzles formed and on the other hand connected in parallel with each other. At a Such a device according to the prior art, this would mean that the minimal performance of the device or its lower modulation range by the Sum of the minimum powers of the two air nozzles 10, 11 is determined.
  • the air nozzle 11 is assigned a shut-off device 15, with this Shut-off device 15, the air flow through the air nozzle 11 can be switched off. at blocked air flow through the air nozzle 11 is therefore only combustion air moved by the air nozzle 10, and thus the lower modulation range shifts the device according to the invention in the direction of the minimum performance of the air nozzle 10th
  • the shut-off device 15 is as Flap 16 formed with an associated spring element 17.
  • the strength of the spring force of the The spring element 17 and the design or construction of the flap 16 determines the Shut-off characteristic of the shut-off device 15. This is because the air flow falls below through the air nozzle 10 a certain amount, so that this air flow on the Flap 16 exerted force no longer to the flap 16 against the spring force of the To keep spring element 17 open. The flap 16 or the shut-off device 15 is then closed.
  • a bypass 18 is also assigned.
  • the bypass 18 extends from an entry side 19 to an exit side 20 of the Shut-off device 15.
  • the bypass 18 ensures that even when the valve is closed Shut-off device 15 a small combustion air flow from the air nozzle 11 in Direction is moved to the burner, not shown in detail. This will prevents 15 gas through the air nozzle 11 when the shut-off device is closed can escape due to a pressure difference.
  • the air nozzles differ 10, 11 in terms of their performance characteristics.
  • the air nozzle 10 has a lower power and thus minimum power than the air nozzle 11.
  • both air nozzles 10, 11 supplied with gas via a gas nozzle 12.
  • each air nozzle 10, 11 has a separate gas nozzle assigned.
  • the air nozzle 11 also the gas nozzle assigned to this air nozzle 11 are closed. In in this case, an additional shut-off device would be required.
  • an actuator for Use come, which closes the shut-off device 15.
  • FIG. 1 it goes without saying that the principle described in FIG. 1 applies to devices with any number of air nozzles connected in parallel can be expanded. Then everyone is air nozzle apart from the air nozzle with the lowest performance characteristics, one each Blocking device assigned. The air nozzle with the lowest performance characteristics would therefore always be open. They work when one or more air nozzles are closed open air nozzles and so the modulation range of the invention Device can be expanded.
  • FIG. 2 shows a modulation diagram for a device according to the invention a second embodiment of the invention, in which three air nozzles are connected in parallel.
  • the modulation diagram of FIG. 2 the is on the X axis 21 Fan speed in revolutions per minute and on the Y axis 22 the heat load in Kilowatts applied.
  • Line 23 in FIG. 2 corresponds to the modulation graph one single air nozzle, line 24 the modulation graph of two connected in parallel Air nozzles and the line 25 the modulation graph of three air nozzles connected in parallel, each without the shut-off devices according to the invention. In this case this means that the lower modulation limit of a device of three Air nozzles connected in parallel by the sum of the minimum outputs of all three Air nozzles is determined (line 25).
  • FIG. 2 shows a modulation graph with line 26 Device according to the invention from three air nozzles, two air nozzles each one Shut-off device are assigned.
  • the fan runs in area 27 of full load operation high speeds, therefore the shut-off devices are open and combustion air flows through all three air nozzles.
  • Shut-off devices are closed and finally in the area 28 of the Minimum load operation, only the air nozzle with the lowest minimum output is opened. In this way, the modulation range of the invention Device can be enlarged towards small loads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Claims (7)

  1. Dispositif pour brûleur avec au moins deux injecteurs d'air (10, 11) pour l'air de combustion, au moins un injecteur de gaz (12) associé aux injecteurs d'air (10, 11) et un ventilateur qui produit un courant d'air, les injecteurs d'air (10, 11) étant parallèles, un dispositif d'arrêt respectif (15) étant associé à l'un au moins des injecteurs d'air (10, 11) et le courant d'air qui traverse l'injecteur d'air (10, 11) correspondant pouvant être arrêté sélectivement grâce à ce dispositif d'arrêt, caractérisé en ce que le dispositif d'arrêt (15) ou chaque dispositif d'arrêt (15) est conçu comme un clapet (16) avec un élément formant ressort associé (17), l'intensité de la force de ressort de l'élément (17) et la forme du clapet (16) définissant la caractéristique d'arrêt du dispositif d'arrêt (15).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'un au moins des injecteurs d'air (10, 11) diffère de l'autre ou de chaque autre injecteur d'air (10, 11) par sa caractéristique de puissance.
  3. Dispositif selon la revendication 2, caractérisé en ce que tous les injecteurs d'air (10, 11) sont différents par leur caractéristique de puissance.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce qu'un dispositif d'arrêt respectif (15) est associé à tous les injecteurs d'air (10, 11) sauf l'injecteur d'air (10, 11) qui présente la caractéristique de puissance la plus faible.
  5. Dispositif selon l'une au moins des revendications 1 à 4, caractérisé en ce qu'une dérivation (18) est également associée à chaque injecteur d'air (10, 11) auquel correspond un dispositif d'arrêt (15).
  6. Dispositif selon la revendication 5, caractérisé en ce que la dérivation (18) ou chaque dérivation (18) s'étend entre un côté entrée (19) et un côté sortie (20) du dispositif d'arrêt correspondant (15).
  7. Dispositif selon l'une au moins des revendications 1 à 6, caractérisé en ce que les injecteurs d'air (10, 11) sont conçus comme des venturis.
EP00940268A 1999-06-04 2000-05-25 Dispositif pour bruleur de gaz Expired - Lifetime EP1183483B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19925567A DE19925567C1 (de) 1999-06-04 1999-06-04 Vorrichtung für Gasbrenner
DE19925567 1999-06-04
PCT/EP2000/004756 WO2000075566A1 (fr) 1999-06-04 2000-05-25 Dispositif pour bruleur de gaz

Publications (2)

Publication Number Publication Date
EP1183483A1 EP1183483A1 (fr) 2002-03-06
EP1183483B1 true EP1183483B1 (fr) 2004-03-03

Family

ID=7910210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00940268A Expired - Lifetime EP1183483B1 (fr) 1999-06-04 2000-05-25 Dispositif pour bruleur de gaz

Country Status (6)

Country Link
US (1) US6604938B1 (fr)
EP (1) EP1183483B1 (fr)
AU (1) AU5525700A (fr)
CA (1) CA2371188A1 (fr)
DE (2) DE19925567C1 (fr)
WO (1) WO2000075566A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012003501A1 (de) 2012-01-31 2013-08-01 Vaillant Gmbh Brenngas-Luft-Mischvorrichtung
EP2664849A2 (fr) 2012-05-15 2013-11-20 Vaillant GmbH Dispositif de mélange air-gaz combustible
DE102012023008A1 (de) 2012-11-26 2014-05-28 Vaillant Gmbh Brenngas-Luft-Mischvorrichtung
EP3617596A1 (fr) 2018-08-28 2020-03-04 Honeywell International Inc. Procédé de fonctionnement d'un appareil à brûleur à gaz

Families Citing this family (23)

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Publication number Priority date Publication date Assignee Title
US20070204858A1 (en) * 2006-02-22 2007-09-06 The Brinkmann Corporation Gas cooking appliance and control system
ITBO20080278A1 (it) * 2008-04-30 2009-11-01 Gas Point S R L Bruciatore a gas a pre-miscelazione
ITBO20100441A1 (it) * 2010-07-12 2012-01-13 Gas Point S R L Bruciatore a gas a pre-miscelazione
DE102010044591A1 (de) * 2010-09-07 2012-03-08 Honeywell Technologies Sarl Gasregelgerät mit angebauter Venturi-Düse
IT1402023B1 (it) 2010-10-12 2013-08-28 Riello Spa Gruppo di alimentazione di una miscela aria/gas.
DE102011014117A1 (de) * 2011-03-15 2012-09-20 Ebm-Papst Landshut Gmbh Mischvorrichtung zur Mischung von Verbrennungsluft und Gas für ein Gasgerät
KR101214745B1 (ko) * 2011-03-25 2012-12-21 주식회사 경동나비엔 유로 분리형 가스-공기 혼합장치
ITMI20111738A1 (it) * 2011-09-27 2013-03-28 Smeg Spa Bruciatore per un piano di cottura a gas e piano di cottura a gas incorporante tale bruciatore
KR101308936B1 (ko) * 2012-02-06 2013-09-23 주식회사 경동나비엔 연소기기용 가스 공기 혼합장치
KR101308932B1 (ko) * 2012-02-06 2013-09-23 주식회사 경동나비엔 연소기기용 가스 공기 혼합장치
KR101320113B1 (ko) * 2012-02-28 2013-10-18 주식회사 경동나비엔 온수기용 듀얼 벤추리
EP2653215B1 (fr) 2012-04-20 2020-01-01 Honeywell Technologies Sarl Dispositif de mélange gaz/air destiné à un brûleur à gaz
AT513013B1 (de) * 2012-05-21 2014-06-15 Vaillant Group Austria Gmbh Brenngas-Luft-Mischvorrichtung
ITMI20122008A1 (it) * 2012-11-27 2014-05-28 Polidoro Spa Dispositivo per la gestione del rapporto comburente/combustibile di impianti termotecnici.
DE102013101676B4 (de) * 2013-02-20 2021-02-11 Mhg Heiztechnik Gmbh Gasluftmischbehälter und Gasbrenner
KR101448992B1 (ko) * 2013-04-16 2014-10-13 주식회사 경동나비엔 연소기기용 듀얼 벤츄리
US9746176B2 (en) * 2014-06-04 2017-08-29 Lochinvar, Llc Modulating burner with venturi damper
JP6725339B2 (ja) * 2016-03-28 2020-07-15 リンナイ株式会社 予混合装置
JP6654494B2 (ja) * 2016-04-01 2020-02-26 リンナイ株式会社 予混合装置の制御方法
WO2019026665A1 (fr) * 2017-08-03 2019-02-07 タイム技研株式会社 Mélangeur de fluide
EP3508788B1 (fr) * 2018-01-09 2020-10-21 Orkli, S. Coop. Dispositif mélangeur pour brûleur à gaz
IT201800003488A1 (it) 2018-03-13 2019-09-13 Bertelli & Partners Srl Dispositivo di controllo di una miscela comburente-combustibile per bruciatori a gas premiscelati
IT201800010736A1 (it) 2018-11-30 2020-05-30 Bertelli & Partners Srl Dispositivo di controllo della miscela per bruciatore a gas pre-miscelato

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DE19728925A1 (de) 1997-07-07 1999-01-14 Bosch Gmbh Robert Einrichtung zur Anpassung von Steuereinrichtungen eines Kraftfahrzeugs
DE29801429U1 (de) * 1998-01-16 1998-05-14 Honeywell B.V., Amsterdam Gasregelgerät mit angebauter Venturi-Düse und Gehäuse
US6375454B1 (en) * 1999-11-12 2002-04-23 Sarcos, L.C. Controllable combustion device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012003501A1 (de) 2012-01-31 2013-08-01 Vaillant Gmbh Brenngas-Luft-Mischvorrichtung
EP2623863A2 (fr) 2012-01-31 2013-08-07 Vaillant GmbH Dispositif de mélange air-gaz combustible
EP2664849A2 (fr) 2012-05-15 2013-11-20 Vaillant GmbH Dispositif de mélange air-gaz combustible
DE102012009628A1 (de) 2012-05-15 2013-11-21 Vaillant Gmbh Brenngas-Luft-Mischvorrichtung
DE102012023008A1 (de) 2012-11-26 2014-05-28 Vaillant Gmbh Brenngas-Luft-Mischvorrichtung
EP2735793A2 (fr) 2012-11-26 2014-05-28 Vaillant GmbH Dispositif de mélange air-gaz combustible
EP3617596A1 (fr) 2018-08-28 2020-03-04 Honeywell International Inc. Procédé de fonctionnement d'un appareil à brûleur à gaz

Also Published As

Publication number Publication date
CA2371188A1 (fr) 2000-12-14
WO2000075566A1 (fr) 2000-12-14
US6604938B1 (en) 2003-08-12
DE19925567C1 (de) 2000-12-14
AU5525700A (en) 2000-12-28
EP1183483A1 (fr) 2002-03-06
DE50005528D1 (de) 2004-04-08

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