EP1183483B1 - Vorrichtung für gasbrenner - Google Patents
Vorrichtung für gasbrenner Download PDFInfo
- 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
Links
Images
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)
Description
- Fig. 1
- eine erfindungsgemäße Vorrichtung nach einem ersten Ausführungsbeispiel der Erfindung in einer schematisierten Schnittdarstellung; und
- Fig. 2
- ein Modulationsdiagramm für eine erfindungsgemäße Vorrichtung nach einem zweiten Ausführungsbeispiel der Erfindung.
- 10
- Luft-Düse
- 11
- Luft-Düse
- 12
- Gas-Düse
- 13
- Gemischaustritt
- 14
- Brennerflamme
- 15
- Absperreinrichtung
- 16
- Klappe
- 17
- Federelement
- 18
- Bypass
- 19
- Eintrittsseite
- 20
- Austrittsseite
- 21
- X-Achse
- 22
- Y-Achse
- 23
- Linie
- 24
- Linie
- 25
- Linie
- 26
- Linie
- 27
- Bereich
- 28
- Bereich
Claims (7)
- Vorrichtung für Gasbrenner mit mindestens zwei Luft-Düsen (10, 11) für Verbrennungsluft, mit mindestens einer den Luft-Düsen (10, 11) zugeordneten Gas-Düse (12) und mit einem einen Luftstrom erzeugenden Lüfter, wobei die Luft-Düsen (10, 11) parallel angeordnet sind, wobei einer oder mehreren der Luft-Düsen (10, 11) jeweils eine Absperreinrichtung (15) zugeordnet ist, und wobei mit jeder dieser Absperreinrichtung (15) der Luftstrom durch die jeweilige Luft-Düse (10, 11) selektiv abschaltbar ist, dadurch gekennzeichnet, daß die oder jede Absperreinrichtung (15) als Klappe (16) mit zugeordnetem Federelement (17) ausgebildet ist, wobei die Stärke der Federkraft des jeweiligen Federelements (17) und die Form der Klappe (16) die Absperrcharakteristik der jeweiligen Absperreinrichtung (15) bestimmt.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sich mindestens eine der Luft-Düsen (10, 11) hinsichtlich ihrer Leistungscharakteristik von der oder jeden anderen Luft-Düse (10, 11) unterscheidet
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß sich alle Luft-Düsen (10, 11) hinsichtlich ihrer Leistungscharakteristik voneinander unterscheiden.
- Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß allen Luft-Düsen (10, 11) bis auf die Luft-Düse (10, 11) mit der kleinsten Leistungscharakteristik jeweils eine Absperreinrichtung (15) zugeordnet ist.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß jeder Luft-Düse (10, 11), der eine Absperreinrichtung (15) zugeordnet ist, auch ein Bypass (18) zugeordnet ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß sich der oder jede Bypass (18) zwischen einer Eintrittsseite (19) und einer Austrittsseite (20) der jeweiligen Absperreinrichtung (15) erstreckt.
- Vorrichtung nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Luft-Düsen (10,11) als Venturi-Düsen ausgebildet sind.
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 (de) | 1999-06-04 | 2000-05-25 | Vorrichtung für gasbrenner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1183483A1 EP1183483A1 (de) | 2002-03-06 |
EP1183483B1 true EP1183483B1 (de) | 2004-03-03 |
Family
ID=7910210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00940268A Expired - Lifetime EP1183483B1 (de) | 1999-06-04 | 2000-05-25 | Vorrichtung für gasbrenner |
Country Status (6)
Country | Link |
---|---|
US (1) | US6604938B1 (de) |
EP (1) | EP1183483B1 (de) |
AU (1) | AU5525700A (de) |
CA (1) | CA2371188A1 (de) |
DE (2) | DE19925567C1 (de) |
WO (1) | WO2000075566A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012003501A1 (de) | 2012-01-31 | 2013-08-01 | Vaillant Gmbh | Brenngas-Luft-Mischvorrichtung |
EP2664849A2 (de) | 2012-05-15 | 2013-11-20 | Vaillant GmbH | Brenngas-Luft-Mischvorrichtung |
EP2735793A2 (de) | 2012-11-26 | 2014-05-28 | Vaillant GmbH | Brenngas-Luft-Mischvorrichtung |
EP3617596A1 (de) | 2018-08-28 | 2020-03-04 | Honeywell International Inc. | Verfahren zum betrieb eines gasbrennergeräts |
Families Citing this family (23)
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 |
KR101308932B1 (ko) * | 2012-02-06 | 2013-09-23 | 주식회사 경동나비엔 | 연소기기용 가스 공기 혼합장치 |
KR101308936B1 (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 (de) | 2012-04-20 | 2020-01-01 | Honeywell Technologies Sarl | Gas-/Luftmischvorrichtung für einen Gasbrenner |
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 (ja) * | 2017-08-03 | 2019-02-07 | タイム技研株式会社 | 流体混合装置 |
EP3508788B1 (de) * | 2018-01-09 | 2020-10-21 | Orkli, S. Coop. | Mischervorrichtung für einen gasbrenner |
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 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR758974A (fr) * | 1933-07-28 | 1934-01-26 | Indugas Ind U Gasofen Bauges M | Brûleur à gaz à longueur de flamme réglable |
DE2305764C3 (de) * | 1973-02-07 | 1982-01-14 | Herbert Rehn Maschinenhohlglas GmbH, 2000 Hamburg | Gasgemischdosiervorrichtung für einen mit Druckluft, Brenngas und Sauerstoff betriebenen Brenner |
JPS5731716A (en) * | 1980-08-04 | 1982-02-20 | Borukano Kk | Burner |
JPS57188917A (en) * | 1981-05-19 | 1982-11-20 | Matsushita Electric Ind Co Ltd | Combustor |
US4417868A (en) * | 1981-09-04 | 1983-11-29 | Battelle Development Corporation | Compact plenum for pulse combustors |
JPS58182031A (ja) * | 1982-04-16 | 1983-10-24 | Matsushita Electric Ind Co Ltd | 燃焼制御装置 |
JPH0776613B2 (ja) * | 1986-07-16 | 1995-08-16 | 松下電器産業株式会社 | コンロ |
US5799831A (en) * | 1996-03-20 | 1998-09-01 | Ecolab Inc. | Dual aspirator |
CH691137A5 (de) * | 1996-07-01 | 2001-04-30 | Vaillant Gmbh | Vormischender Gasbrenner. |
DE19635974A1 (de) * | 1996-09-05 | 1998-03-12 | Stiebel Eltron Gmbh & Co Kg | Gas/Luft-Mischsystem für Gasheizgeräte |
US6206687B1 (en) * | 1997-01-24 | 2001-03-27 | Aaf-Mcquay Inc. | High turndown modulating gas burner |
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 Bv | Gasregelgerät mit angebauter Venturi-Düse und Gehäuse |
US6375454B1 (en) * | 1999-11-12 | 2002-04-23 | Sarcos, L.C. | Controllable combustion device |
-
1999
- 1999-06-04 DE DE19925567A patent/DE19925567C1/de not_active Expired - Fee Related
-
2000
- 2000-05-25 EP EP00940268A patent/EP1183483B1/de not_active Expired - Lifetime
- 2000-05-25 DE DE50005528T patent/DE50005528D1/de not_active Expired - Fee Related
- 2000-05-25 AU AU55257/00A patent/AU5525700A/en not_active Abandoned
- 2000-05-25 WO PCT/EP2000/004756 patent/WO2000075566A1/de active IP Right Grant
- 2000-05-25 US US10/009,371 patent/US6604938B1/en not_active Expired - Fee Related
- 2000-05-25 CA CA002371188A patent/CA2371188A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012003501A1 (de) | 2012-01-31 | 2013-08-01 | Vaillant Gmbh | Brenngas-Luft-Mischvorrichtung |
EP2623863A2 (de) | 2012-01-31 | 2013-08-07 | Vaillant GmbH | Brenngas-Luft-Mischvorrichtung |
EP2664849A2 (de) | 2012-05-15 | 2013-11-20 | Vaillant GmbH | Brenngas-Luft-Mischvorrichtung |
DE102012009628A1 (de) | 2012-05-15 | 2013-11-21 | Vaillant Gmbh | Brenngas-Luft-Mischvorrichtung |
EP2735793A2 (de) | 2012-11-26 | 2014-05-28 | Vaillant GmbH | Brenngas-Luft-Mischvorrichtung |
DE102012023008A1 (de) | 2012-11-26 | 2014-05-28 | Vaillant Gmbh | Brenngas-Luft-Mischvorrichtung |
EP3617596A1 (de) | 2018-08-28 | 2020-03-04 | Honeywell International Inc. | Verfahren zum betrieb eines gasbrennergeräts |
Also Published As
Publication number | Publication date |
---|---|
DE19925567C1 (de) | 2000-12-14 |
WO2000075566A1 (de) | 2000-12-14 |
DE50005528D1 (de) | 2004-04-08 |
US6604938B1 (en) | 2003-08-12 |
EP1183483A1 (de) | 2002-03-06 |
CA2371188A1 (en) | 2000-12-14 |
AU5525700A (en) | 2000-12-28 |
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