EP3198194B1 - Gas burner, gas hob, gas range and method for changing the fuel gas of a gas burner - Google Patents

Gas burner, gas hob, gas range and method for changing the fuel gas of a gas burner Download PDF

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Publication number
EP3198194B1
EP3198194B1 EP15766654.6A EP15766654A EP3198194B1 EP 3198194 B1 EP3198194 B1 EP 3198194B1 EP 15766654 A EP15766654 A EP 15766654A EP 3198194 B1 EP3198194 B1 EP 3198194B1
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EP
European Patent Office
Prior art keywords
gas
burner
mixing tube
insert
fuel
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.)
Active
Application number
EP15766654.6A
Other languages
German (de)
French (fr)
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EP3198194A1 (en
Inventor
Luis Acosta Herrero
Javier Corral Ricalde
Melca Gutierrez Humara
Pedro Herrera Estrada
Alberto Lopez Ortiz
Jose Salvador Ochoa Torres
Luis Antonio Palacios Valdueza
Emilio Placer Maruri
Julio Rivera Peman
Cristina RUEDA SANUDO
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP3198194A1 publication Critical patent/EP3198194A1/en
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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
    • F23D14/02—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
    • F23D14/06—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 with radial outlets at the burner head
    • 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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGESĀ ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus

Definitions

  • the present invention relates to a gas burner, a gas hob, a gas stove and a method for changing the fuel gas of a gas burner.
  • a gas burner has a mixing chamber or a mixing tube into which a gas nozzle injects fuel gas.
  • the mixing tube acts as a Venturi tube, which means that primary air is sucked in past the gas nozzle and into the mixing chamber.
  • the gas nozzle can be exchanged for the use of different fuel gases.
  • the mixing chamber remains unchanged.
  • the US 6,537,065 B1 and the U.S. 5,266,026 A each describe a gas burner with an exchangeable mixing tube that is received in a burner lower part of the gas burner.
  • a gas burner for a gas stove with a mixing tube for mixing fuel gas and primary air, a gas nozzle which is set up to inject the fuel gas into the mixing tube, and an insert that can be inserted and exchanged into the mixing tube for changing a geometry of the mixing tube, the The gas nozzle and the insert are received in a burner lower part of the gas burner, the burner lower part being designed in two parts and the burner lower part comprising a base section in which the gas nozzle is received and a mixing tube receiving section which receives the mixing tube.
  • the insert is exchangeable, the geometry of the mixing tube can be changed when the fuel gas is changed. This means that the premixing prior to combustion can be optimized for each fuel gas. The combustion is thereby improved for all fuel gases in question, since a suitable insert and a suitable gas nozzle can be provided for each fuel gas.
  • the insert is tubular.
  • the insert preferably has an annular cross section.
  • a flow cross-sectional area of the mixing tube can be changed with the aid of the insert.
  • the flow cross-sectional area preferably has a circular shape. With the aid of the mixing tube and the insert, the flow cross-sectional area can be increased or decreased depending on the type of fuel gas used.
  • the insert and the gas nozzle can be changed when the fuel gas is changed.
  • the gas nozzle can preferably be screwed into a burner lower part of the gas burner. This means that the gas nozzle can be easily changed.
  • the insert can, for example, be screwed, pressed or loosely inserted into the lower burner part.
  • the gas nozzle and the insert can be accommodated in a burner base of the gas burner.
  • the lower part of the burner is made in two parts.
  • the burner lower part comprises a base section in which the gas nozzle is received and a mixing tube receiving section which receives the mixing tube.
  • the insert can be inserted into and removed from the mixing tube from an upper side of the lower burner part.
  • the insert has a circumferential support flange which is designed to rest on the upper side of the lower burner part.
  • the support flange is preferably annular.
  • a gas cooking point with at least one such gas burner and at least one gas control valve for regulating a fuel gas flow to the at least one gas burner is proposed.
  • the gas stove is preferably a domestic appliance.
  • a method for changing the fuel gas of a gas burner is also proposed.
  • the gas burner has a mixing tube for mixing the fuel gas with primary air, a gas nozzle which is set up to inject the fuel gas into the mixing tube, and an exchangeable insert that can be inserted into the mixing tube to change the geometry of the mixing tube.
  • the process has the following process steps: changing the gas nozzle; Change of stake; and changing the fuel gas.
  • gas burner the gas hob, the gas stove and / or the method also include combinations of features or embodiments described above or below with regard to the exemplary embodiments, which are not explicitly mentioned.
  • the person skilled in the art will also add individual aspects as improvements or additions to the respective basic shape of the gas burner, the gas cooking point, the gas stove and / or the method.
  • the Fig. 1 shows a schematic plan view of a gas stove 1.
  • the gas stove 1 is a household appliance.
  • the gas stove 1 has a gas hob 2 with a hob 3 and at least one gas burner arrangement 4.
  • the gas burner arrangement 4 has a gas control valve 5 which is connected to a main gas line 6.
  • the gas burner arrangement 4 further comprises a feed line 7 and a gas burner 8.
  • the gas burner 8 is in FIG Fig. 1 shown only in greatly simplified form.
  • the supply line 7 connects the gas control valve 5 to the gas burner 8.
  • the gas cooking point 2 can have several gas burner arrangements 4. As the Fig. 1 shows, the gas cooking point 2 can have five gas burner arrangements 4.
  • the gas control valve 5 is set up to regulate a fuel gas flow or gas volume flow to the gas burner 8 in a stepped or stepless manner or to optionally interrupt it. Each gas control valve 5 is attached to the main gas line 6. The gas control valve 5 is preferably clamped to the main gas line 6.
  • the Fig. 2 shows an embodiment of a gas burner 8 in a schematic side view
  • Fig. 3 shows a schematic sectional view of the gas burner 8.
  • FIG Fig. 2 and 3 simultaneously referred to.
  • the gas burner 8 comprises a two-part burner lower part 9 with a base section 10, in which a gas nozzle 11 is received, and a mixing tube receiving section 12, which has a mixing chamber or a mixing tube 13 for mixing primary air L with fuel gas.
  • the gas nozzle 11 is set up to inject fuel gas into the mixing tube 13.
  • the mixing tube 13 is in particular a venturi tube. By injecting the Fuel gas in the mixing tube 13 is sucked in past the side of the gas nozzle 11, primary air L into the mixing tube 13.
  • the gas burner 8 furthermore comprises an upper burner part 14 with gas outlet openings 15.
  • the gas outlet openings 15 are preferably evenly distributed around a circumference of the upper burner part 14.
  • the upper burner part 14 is placed on the lower burner part 9.
  • the lower burner part 9 and in particular the mixing tube receiving section 12 is connected, in particular screwed, to a cover plate or a top sheet of the gas cooking point 2.
  • the burner lower part 9 and the burner upper part 14 are preferably designed to be rotationally symmetrical to a symmetry or central axis 16 ( Fig. 2 ).
  • the upper burner part 14 and / or the lower burner part 9 can have any other geometry such as, for example, an oval geometry, a rectangular geometry, a pentagonal or a hexagonal geometry.
  • the Fig. 4 shows an embodiment of the burner lower part 9 in a schematic perspective view.
  • the Fig. 5 shows a schematic sectional view of the burner lower part 9. In the following, reference is made to FIG Fig. 4 and 5 simultaneously referred to.
  • the gas burner 8 comprises an insert 17 which can be inserted and exchanged in the mixing tube 13 for changing a geometry.
  • the insert 17 is tubular.
  • the mixing tube 13 has a flow cross-sectional area A.
  • the throughflow cross-sectional area A can be circular.
  • the flow cross-sectional area A of the mixing tube 13 can be changed.
  • the throughflow cross-sectional area A can be enlarged or reduced with the aid of the insert 17.
  • the insert 17 and the gas nozzle 11 can be changed at the same time.
  • the gas nozzle 11 and the geometry of the mixing tube 13 can thus be optimized for the fuel gas used. Town gas, natural gas, liquid gas or the like, for example, can be used as the fuel gas.
  • the stability of the burner flame can be improved. This prevents unwanted extinction.
  • the premixing in the mixing tube 13 is optimized for each fuel gas.
  • the combustion for all fuel gases is improved because an insert 17 and a corresponding gas nozzle 11 can be used for each fuel gas used. This increases the efficiency of the gas burner 8 and reduces the emission of greenhouse gases.
  • the insert 17 can be received in the lower burner part 9, in particular in the mixing tube receiving section 12. As the Fig. 4 and 5 show, the insert 17 can be inserted from an upper side 18 of the lower burner part 9 into the mixing tube 13 and removed from it again.
  • the insert 17 has a tubular base section 19 and a support flange 20 that encircles the base section 19 in an annular manner.
  • the support flange 20 is set up to rest on the upper side 18 of the lower burner part 9.
  • the Fig. 6 shows schematically a method for changing the fuel gas of a gas burner 8.
  • a method step S1 the gas nozzle 11 is changed.
  • the insert 17 is changed.
  • the gas nozzle 11 can be changed before use 17 or vice versa.
  • the fuel gas is changed in a method step S3.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Commercial Cooking Devices (AREA)

Description

Die vorliegende Erfindung betrifft einen Gasbrenner, eine Gaskochstelle, einen Gasherd und ein Verfahren zum Wechseln des Brenngases eines Gasbrenners.The present invention relates to a gas burner, a gas hob, a gas stove and a method for changing the fuel gas of a gas burner.

Ein Gasbrenner weist eine Mischkammer oder ein Mischrohr auf, in das eine GasdĆ¼se Brenngas eindĆ¼st. Das Mischrohr wirkt als Venturirohr, wodurch PrimƤrluft seitlich an der GasdĆ¼se vorbei in die Mischkammer eingesogen wird. Zur Verwendung verschiedener Brenngase ist die GasdĆ¼se auswechselbar. Die Mischkammer bleibt dabei unverƤndert.A gas burner has a mixing chamber or a mixing tube into which a gas nozzle injects fuel gas. The mixing tube acts as a Venturi tube, which means that primary air is sucked in past the gas nozzle and into the mixing chamber. The gas nozzle can be exchanged for the use of different fuel gases. The mixing chamber remains unchanged.

Die US 6,537,065 B1 und die US 5,266,026 A beschreiben jeweils einen Gasbrenner mit einem austauschbaren Mischrohr, das in einem Brennerunterteil des Gasbrenners aufgenommen ist.The US 6,537,065 B1 and the U.S. 5,266,026 A each describe a gas burner with an exchangeable mixing tube that is received in a burner lower part of the gas burner.

Vor diesem Hintergrund besteht eine Aufgabe der vorliegenden Erfindung darin, einen verbesserten Gasbrenner zur VerfĆ¼gung zu stellen.Against this background, it is an object of the present invention to provide an improved gas burner.

DemgemƤƟ wird ein Gasbrenner fĆ¼r einen Gasherd, mit einem Mischrohr zum Mischen von Brenngas und PrimƤrluft, einer GasdĆ¼se, die dazu eingerichtet ist, das Brenngas in das Mischrohr einzudĆ¼sen, und einem zum VerƤndern einer Geometrie des Mischrohrs in dieses einsetzbaren und wechselbaren Einsatz, wobei die GasdĆ¼se und der Einsatz in einem Brennerunterteil des Gasbrenners aufgenommen sind, wobei das Brennerunterteil zweiteilig ausgefĆ¼hrt ist und wobei das Brennerunterteil einen Basisabschnitt, in dem die GasdĆ¼se aufgenommen ist, und einen Mischrohraufnahmeabschnitt, der das Mischrohr aufnimmt, umfasst.Accordingly, a gas burner for a gas stove, with a mixing tube for mixing fuel gas and primary air, a gas nozzle which is set up to inject the fuel gas into the mixing tube, and an insert that can be inserted and exchanged into the mixing tube for changing a geometry of the mixing tube, the The gas nozzle and the insert are received in a burner lower part of the gas burner, the burner lower part being designed in two parts and the burner lower part comprising a base section in which the gas nozzle is received and a mixing tube receiving section which receives the mixing tube.

Dadurch, dass der Einsatz wechselbar ist, kann bei einem Wechsel des Brenngases die Geometrie des Mischrohrs verƤndert werden. Hierdurch kann das Vormischen vor der Verbrennung fĆ¼r jedes Brenngas optimiert werden. Die Verbrennung wird hierdurch fĆ¼r alle in Frage kommenden Brenngase verbessert, da fĆ¼r jedes Brenngas ein geeigneter Einsatz und eine geeignete GasdĆ¼se bereitgestellt werden kƶnnen.Because the insert is exchangeable, the geometry of the mixing tube can be changed when the fuel gas is changed. This means that the premixing prior to combustion can be optimized for each fuel gas. The combustion is thereby improved for all fuel gases in question, since a suitable insert and a suitable gas nozzle can be provided for each fuel gas.

GemƤƟ einer AusfĆ¼hrungsform ist der Einsatz rohrfƶrmig.According to one embodiment, the insert is tubular.

Der Einsatz weist vorzugsweise einen ringfƶrmigen Querschnitt auf.The insert preferably has an annular cross section.

GemƤƟ einer weiteren AusfĆ¼hrungsform ist mit Hilfe des Einsatzes eine DurchstrƶmungsquerschnittsflƤche des Mischrohrs verƤnderbar.According to a further embodiment, a flow cross-sectional area of the mixing tube can be changed with the aid of the insert.

Die DurchstrƶmungsquerschnittsflƤche weist vorzugsweise eine Kreisform auf. Mit Hilfe des Mischrohrs und des Einsatzes ist die DurchstrƶmungsquerschnittsflƤche je nach Art des verwendeten Brenngases vergrĆ¶ĆŸerbar oder verkleinerbar.The flow cross-sectional area preferably has a circular shape. With the aid of the mixing tube and the insert, the flow cross-sectional area can be increased or decreased depending on the type of fuel gas used.

GemƤƟ einer weiteren AusfĆ¼hrungsform sind bei einem Wechsel des Brenngases der Einsatz und die GasdĆ¼se wechselbar.According to a further embodiment, the insert and the gas nozzle can be changed when the fuel gas is changed.

Die GasdĆ¼se ist vorzugsweise in ein Brennerunterteil des Gasbrenners einschraubbar. Hierdurch kann die GasdĆ¼se leicht wechselbar sein. Der Einsatz kann in das Brennerunterteil beispielsweise eingeschraubt, eingepresst oder lose eingeschoben sein.The gas nozzle can preferably be screwed into a burner lower part of the gas burner. This means that the gas nozzle can be easily changed. The insert can, for example, be screwed, pressed or loosely inserted into the lower burner part.

Die GasdĆ¼se und der Einsatz sind in einem Brennerunterteil des Gasbrenners aufnehmbar.The gas nozzle and the insert can be accommodated in a burner base of the gas burner.

Das Brennerunterteil ist zweiteilig ausgefĆ¼hrt. Das Brennerunterteil umfasst einen Basisabschnitt, in dem die GasdĆ¼se aufgenommen ist, und einen Mischrohraufnahmeabschnitt, der das Mischrohr aufnimmt.The lower part of the burner is made in two parts. The burner lower part comprises a base section in which the gas nozzle is received and a mixing tube receiving section which receives the mixing tube.

GemƤƟ einer weiteren AusfĆ¼hrungsform ist der Einsatz von einer Oberseite des Brennerunterteils in das Mischrohr einsetzbar und aus diesem entnehmbar.According to a further embodiment, the insert can be inserted into and removed from the mixing tube from an upper side of the lower burner part.

Hierdurch ist ein leichter Austausch des Einsatzes mƶglich.This enables the insert to be exchanged easily.

GemƤƟ einer weiteren AusfĆ¼hrungsform weist der Einsatz einen umlaufenden Auflageflansch auf, der dazu eingerichtet ist, auf der Oberseite des Brennerunterteils aufzuliegen.According to a further embodiment, the insert has a circumferential support flange which is designed to rest on the upper side of the lower burner part.

Hierdurch ist stets eine definierte Position des Einsatzes beim Austausch desselben gewƤhrleistet. Der Auflageflansch ist vorzugsweise ringfƶrmig.This always ensures a defined position of the insert when it is replaced. The support flange is preferably annular.

GemƤƟ einer weiteren AusfĆ¼hrungsform wird eine Gaskochstelle mit zumindest einem derartigen Gasbrenner und zumindest einem Gasregelventil zum Regeln eines Brenngasstroms zu dem zumindest einen Gasbrenner hin vorgeschlagen.According to a further embodiment, a gas cooking point with at least one such gas burner and at least one gas control valve for regulating a fuel gas flow to the at least one gas burner is proposed.

Weiterhin wird ein Gasherd mit zumindest einem derartigen Gasbrenner und/oder einer derartigen Gaskochstelle vorgeschlagen.Furthermore, a gas stove with at least one such gas burner and / or such a gas cooking point is proposed.

Der Gasherd ist vorzugsweise ein HaushaltsgerƤt.The gas stove is preferably a domestic appliance.

Ferner wird ein Verfahren zum Wechsel des Brenngases eines Gasbrenners vorgeschlagen. Der Gasbrenner weist dabei ein Mischrohr zum Mischen des Brenngases mit PrimƤrluft, eine GasdĆ¼se, die dazu eingerichtet ist, das Brenngas in das Mischrohr einzudĆ¼sen, und einen zum VerƤndern einer Geometrie des Mischrohrs in diesen einsetzbaren wechselbaren Einsatz auf. Das Verfahren weist die folgenden Verfahrensschritte auf: Wechsel der GasdĆ¼se; Wechseln des Einsatzes; und Wechseln des Brenngases.A method for changing the fuel gas of a gas burner is also proposed. The gas burner has a mixing tube for mixing the fuel gas with primary air, a gas nozzle which is set up to inject the fuel gas into the mixing tube, and an exchangeable insert that can be inserted into the mixing tube to change the geometry of the mixing tube. The process has the following process steps: changing the gas nozzle; Change of stake; and changing the fuel gas.

Weitere mƶgliche Implementierungen des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens umfassen auch nicht explizit genannte Kombinationen von zuvor oder im Folgenden bezĆ¼glich der AusfĆ¼hrungsbeispiele beschriebenen Merkmale oder AusfĆ¼hrungsformen. Dabei wird der Fachmann auch Einzelaspekte als Verbesserungen oder ErgƤnzungen zu der jeweiligen Grundform des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens hinzufĆ¼gen.Further possible implementations of the gas burner, the gas hob, the gas stove and / or the method also include combinations of features or embodiments described above or below with regard to the exemplary embodiments, which are not explicitly mentioned. The person skilled in the art will also add individual aspects as improvements or additions to the respective basic shape of the gas burner, the gas cooking point, the gas stove and / or the method.

Weitere vorteilhafte Ausgestaltungen und Aspekte des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens sind Gegenstand der UnteransprĆ¼che sowie der im Folgenden beschriebenen AusfĆ¼hrungsbeispiele des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens. Im weiteren werden der Gasbrenner, die Gaskochstelle, der Gasherd und/oder das Verfahren anhand von bevorzugten AusfĆ¼hrungsformen unter Bezugnahme auf die beigelegten Figuren nƤher erlƤutert.

  • Fig. 1 zeigt eine schematische Aufsicht einer AusfĆ¼hrungsform eines Gasherds;
  • Fig. 2 zeigt eine schematische Seitenansicht einer AusfĆ¼hrungsform eines Gasbrenners fĆ¼r den Gasherd gemƤƟ der Fig. 1;
  • Fig. 3 zeigt eine schematische Schnittansicht des Gasbrenners gemƤƟ der Fig. 2;
  • Fig. 4 zeigt eine schematische perspektivische Ansicht eines Brennerunterteils des Gasbrenners gemƤƟ der Fig. 2;
  • Fig. 5 zeigt eine schematische Schnittansicht des Brennerunterteils gemƤƟ der Fig. 4; und
  • Fig. 6 zeigt eine schematische Ansicht eines Verfahrens zum Wechseln des Brenngases eines Gasbrenners.
Further advantageous configurations and aspects of the gas burner, the gas hob, the gas stove and / or the method are the subject matter of the subclaims and the exemplary embodiments of the gas burner, the gas hob, the gas stove and / or the method described below. Furthermore, the gas burner, the gas hob, the gas stove and / or the method are explained in more detail on the basis of preferred embodiments with reference to the enclosed figures.
  • Fig. 1 shows a schematic top view of an embodiment of a gas range;
  • Fig. 2 FIG. 11 shows a schematic side view of an embodiment of a gas burner for the gas range according to FIG Fig. 1 ;
  • Fig. 3 FIG. 13 shows a schematic sectional view of the gas burner according to FIG Fig. 2 ;
  • Fig. 4 FIG. 11 shows a schematic perspective view of a burner lower part of the gas burner according to FIG Fig. 2 ;
  • Fig. 5 shows a schematic sectional view of the burner base according to FIG Fig. 4 ; and
  • Fig. 6 shows a schematic view of a method for changing the fuel gas of a gas burner.

In den Figuren sind gleiche oder funktionsgleiche Elemente mit denselben Bezugszeichen versehen worden, sofern nichts anderes angegeben ist.In the figures, elements that are the same or have the same function have been provided with the same reference symbols, unless otherwise stated.

Die Fig. 1 zeigt in einer schematischen Aufsicht einen Gasherd 1. Der Gasherd 1 ist ein HaushaltsgerƤt. Der Gasherd 1 weist eine Gaskochstelle 2 mit einer Kochmuldenwanne 3 und zumindest einer Gasbrenneranordnung 4 auf. Die Gasbrenneranordnung 4 weist ein Gasregelventil 5 auf, das an einer Hauptgasleitung 6 angeschlossen ist. Die Gasbrenneranordnung 4 umfasst weiterhin eine Zuleitung 7 und einen Gasbrenner 8. Der Gasbrenner 8 ist in der Fig. 1 lediglich stark vereinfacht dargestellt. Die Zuleitung 7 verbindet das Gasregelventil 5 mit dem Gasbrenner 8. Die Gaskochstelle 2 kann mehrere Gasbrenneranordnungen 4 aufweisen. Wie die Fig. 1 zeigt, kann die Gaskochstelle 2 fĆ¼nf Gasbrenneranordnungen 4 aufweisen. Das Gasregelventil 5 ist dazu eingerichtet, einen Brenngasstrom oder Gasvolumenstrom zu dem Gasbrenner 8 gestuft oder stufenlos zu regeln oder wahlweise zu unterbrechen. Jedes Gasregelventil 5 ist an der Hauptgasleitung 6 befestigt. Vorzugsweise ist das Gasregelventil 5 an der Hauptgasleitung 6 angeklemmt.The Fig. 1 shows a schematic plan view of a gas stove 1. The gas stove 1 is a household appliance. The gas stove 1 has a gas hob 2 with a hob 3 and at least one gas burner arrangement 4. The gas burner arrangement 4 has a gas control valve 5 which is connected to a main gas line 6. The gas burner arrangement 4 further comprises a feed line 7 and a gas burner 8. The gas burner 8 is in FIG Fig. 1 shown only in greatly simplified form. The supply line 7 connects the gas control valve 5 to the gas burner 8. The gas cooking point 2 can have several gas burner arrangements 4. As the Fig. 1 shows, the gas cooking point 2 can have five gas burner arrangements 4. The gas control valve 5 is set up to regulate a fuel gas flow or gas volume flow to the gas burner 8 in a stepped or stepless manner or to optionally interrupt it. Each gas control valve 5 is attached to the main gas line 6. The gas control valve 5 is preferably clamped to the main gas line 6.

Die Fig. 2 zeigt in einer schematischen Seitenansicht eine AusfĆ¼hrungsform eines Gasbrenners 8. Die Fig. 3 zeigt eine schematische Schnittansicht des Gasbrenners 8. Im Folgenden wird auf die Fig. 2 und 3 gleichzeitig Bezug genommen.The Fig. 2 shows an embodiment of a gas burner 8 in a schematic side view Fig. 3 shows a schematic sectional view of the gas burner 8. In the following, reference is made to FIG Fig. 2 and 3 simultaneously referred to.

Der Gasbrenner 8 umfasst ein zweiteiliges Brennerunterteil 9 mit einem Basisabschnitt 10, in dem eine GasdĆ¼se 11 aufgenommen ist, und einem Mischrohraufnahmeabschnitt 12, der eine Mischkammer oder ein Mischrohr 13 zum Mischen von PrimƤrluft L mit Brenngas aufweist. Die GasdĆ¼se 11 ist dazu eingerichtet, Brenngas in das Mischrohr 13 einzudĆ¼sen. Das Mischrohr 13 ist insbesondere ein Venturirohr. Durch das EindĆ¼sen des Brenngases in das Mischrohr 13 wird seitlich an der GasdĆ¼se 11 vorbei PrimƤrluft L in das Mischrohr 13 eingesaugt.The gas burner 8 comprises a two-part burner lower part 9 with a base section 10, in which a gas nozzle 11 is received, and a mixing tube receiving section 12, which has a mixing chamber or a mixing tube 13 for mixing primary air L with fuel gas. The gas nozzle 11 is set up to inject fuel gas into the mixing tube 13. The mixing tube 13 is in particular a venturi tube. By injecting the Fuel gas in the mixing tube 13 is sucked in past the side of the gas nozzle 11, primary air L into the mixing tube 13.

Der Gasbrenner 8 umfasst weiterhin ein Brenneroberteil 14 mit Gasaustrittsƶffnungen 15. Die Gasaustrittsƶffnungen 15 sind vorzugsweise gleichmƤƟig verteilt um einen Umfang des Brenneroberteils 14 angeordnet. Das Brenneroberteil 14 ist auf das Brennerunterteil 9 aufgelegt. Das Brennerunterteil 9 und insbesondere der Mischrohraufnahmeabschnitt 12 ist mit einer Deckplatte oder einem Top Sheet der Gaskochstelle 2 verbunden, insbesondere verschraubt.The gas burner 8 furthermore comprises an upper burner part 14 with gas outlet openings 15. The gas outlet openings 15 are preferably evenly distributed around a circumference of the upper burner part 14. The upper burner part 14 is placed on the lower burner part 9. The lower burner part 9 and in particular the mixing tube receiving section 12 is connected, in particular screwed, to a cover plate or a top sheet of the gas cooking point 2.

Das Brennerunterteil 9 und das Brenneroberteil 14 sind vorzugsweise rotationssymmetrisch zu einer Symmetrie- oder Mittelachse 16 ausgebildet (Fig. 2). Alternativ kƶnnen das Brenneroberteil 14 und/oder das Brennerunterteil 9 eine beliebige andere Geometrie wie beispielsweise eine ovale Geometrie, eine rechteckige Geometrie, eine fĆ¼nfeckige oder eine sechseckige Geometrie aufweisen.The burner lower part 9 and the burner upper part 14 are preferably designed to be rotationally symmetrical to a symmetry or central axis 16 ( Fig. 2 ). Alternatively, the upper burner part 14 and / or the lower burner part 9 can have any other geometry such as, for example, an oval geometry, a rectangular geometry, a pentagonal or a hexagonal geometry.

Die Fig. 4 zeigt eine AusfĆ¼hrungsform des Brennerunterteils 9 in einer schematischen perspektivischen Ansicht. Die Fig. 5 zeigt eine schematische Schnittansicht des Brennerunterteils 9. Im Folgenden wird auf die Fig. 4 und 5 gleichzeitig Bezug genommen.The Fig. 4 shows an embodiment of the burner lower part 9 in a schematic perspective view. The Fig. 5 shows a schematic sectional view of the burner lower part 9. In the following, reference is made to FIG Fig. 4 and 5 simultaneously referred to.

Der Gasbrenner 8 umfasst einen zum VerƤndern einer Geometrie des Mischrohrs 13 in dieses einsetzbaren und wechselbaren Einsatz 17. Der Einsatz 17 ist rohrfƶrmig. Das Mischrohr 13 weist eine DurchstrƶmungsquerschnittsflƤche A auf. Die DurchstrƶmungsquerschnittsflƤche A kann kreisrund sein.The gas burner 8 comprises an insert 17 which can be inserted and exchanged in the mixing tube 13 for changing a geometry. The insert 17 is tubular. The mixing tube 13 has a flow cross-sectional area A. The throughflow cross-sectional area A can be circular.

Mit Hilfe des Einsatzes 17 ist die DurchstrƶmungsquerschnittsflƤche A des Mischrohrs 13 verƤnderbar. Insbesondere ist die DurchstrƶmungsquerschnittsflƤche A mit Hilfe des Einsatzes 17 vergrĆ¶ĆŸerbar oder verkleinerbar. Bei einem Wechsel des Brenngases kƶnnen der Einsatz 17 und die GasdĆ¼se 11 gleichzeitig gewechselt werden. Somit kƶnnen die GasdĆ¼se 11 und die Geometrie des Mischrohrs 13 fĆ¼r das verwendete Brenngas optimiert werden. Als Brenngas kann beispielsweise Stadtgas, Erdgas, FlĆ¼ssiggas oder dergleichen Verwendung finden.With the aid of the insert 17, the flow cross-sectional area A of the mixing tube 13 can be changed. In particular, the throughflow cross-sectional area A can be enlarged or reduced with the aid of the insert 17. When changing the fuel gas, the insert 17 and the gas nozzle 11 can be changed at the same time. The gas nozzle 11 and the geometry of the mixing tube 13 can thus be optimized for the fuel gas used. Town gas, natural gas, liquid gas or the like, for example, can be used as the fuel gas.

Durch die Abstimmung der Geometrie des Mischrohrs 13 und die Art der GasdĆ¼se 11 auf das verwendete Brenngas kann die StabilitƤt der Brennerflamme verbessert werden. Ein unerwĆ¼nschtes Erlƶschen wird somit verhindert. Die Vormischung in dem Mischrohr 13 wird fĆ¼r jedes Brenngas optimiert. Die Verbrennung fĆ¼r alle Brenngase wird verbessert, da fĆ¼r jedes verwendete Brenngas ein Einsatz 17 und eine entsprechende GasdĆ¼se 11 verwendbar sind. Hierdurch wird die Effizienz des Gasbrenners 8 erhƶht und die Emission von Treibhausgasen reduziert.By matching the geometry of the mixing tube 13 and the type of gas nozzle 11 to the fuel gas used, the stability of the burner flame can be improved. This prevents unwanted extinction. The premixing in the mixing tube 13 is optimized for each fuel gas. The combustion for all fuel gases is improved because an insert 17 and a corresponding gas nozzle 11 can be used for each fuel gas used. This increases the efficiency of the gas burner 8 and reduces the emission of greenhouse gases.

Der Einsatz 17 ist in dem Brennerunterteil 9, insbesondere in dem Mischrohraufnahmeabschnitt 12 aufnehmbar. Wie die Fig. 4 und 5 zeigen, ist der Einsatz 17 von einer Oberseite 18 des Brennerunterteils 9 in dem Mischrohr 13 einsetzbar und wieder aus diesem entnehmbar. Der Einsatz 17 weist einen rohrfƶrmigen Basisabschnitt 19 und einen den Basisabschnitt 19 ringfƶrmig umlaufenden Auflageflansch 20 auf. Der Auflageflansch 20 ist dazu eingerichtet, auf der Oberseite 18 des Brennerunterteils 9 aufzuliegen.The insert 17 can be received in the lower burner part 9, in particular in the mixing tube receiving section 12. As the Fig. 4 and 5 show, the insert 17 can be inserted from an upper side 18 of the lower burner part 9 into the mixing tube 13 and removed from it again. The insert 17 has a tubular base section 19 and a support flange 20 that encircles the base section 19 in an annular manner. The support flange 20 is set up to rest on the upper side 18 of the lower burner part 9.

Die Fig. 6 zeigt schematisch ein Verfahren zum Wechsel des Brenngases eines Gasbrenners 8. In einem Verfahrensschritt S1 wird die GasdĆ¼se 11 gewechselt. In einem zweiten Verfahrensschritt S2 wird der Einsatz 17 gewechselt. Die GasdĆ¼se 11 kann vor dem Einsatz 17 oder umgekehrt gewechselt werden. AbschlieƟend wird in einem Verfahrensschritt S3 das Brenngas gewechselt.The Fig. 6 shows schematically a method for changing the fuel gas of a gas burner 8. In a method step S1, the gas nozzle 11 is changed. In a second method step S2, the insert 17 is changed. The gas nozzle 11 can be changed before use 17 or vice versa. Finally, the fuel gas is changed in a method step S3.

Verwendete Bezugszeichen:Reference symbols used:

11
GasherdGas stove
22
GaskochstelleGas stove
33
KochmuldenwanneCooktop pan
44th
GasbrenneranordnungGas burner arrangement
55
GasregelventilGas control valve
66th
HauptgasleitungMain gas line
77th
ZuleitungSupply line
88th
GasbrennerGas burner
99
BrennerunterteilBurner base
1010
BasisabschnittBase section
1111
GasdĆ¼seGas nozzle
1212
MischrohraufnahmeabschnittMixing tube receiving section
1313
MischrohrMixing tube
1414th
BrenneroberteilBurner top
1515th
GasaustrittsƶffnungGas outlet opening
1616
MittelachseCentral axis
1717th
Einsatzcommitment
1818th
OberseiteTop
1919th
BasisabschnittBase section
2020th
AuflageflanschSupport flange
AA.
DurchstrƶmungsquerschnittsflƤcheFlow cross-sectional area
LL.
PrimƤrluftPrimary air

Claims (8)

  1. Gas burner (8) for a gas cooker (1), with a mixing tube (13) for mixing fuel gas with primary air (L), a gas nozzle (11) which is designed to inject the fuel gas into the mixing tube (13), and an insert (17) which can be inserted herein and replaced in order to change a geometry of the mixing tube (13), wherein the gas nozzle (11) and the insert (17) are received in a burner lower part (9) of the gas burner (8), characterised in that the burner lower part (9) is embodied in two parts, wherein the burner lower part (9) comprises a base segment (10), in which the gas nozzle (11) is received, and a mixing tube receiving segment (12), which receives the mixing tube (13).
  2. Gas burner according to claim 1, characterised in that the insert (17) is tube-shaped.
  3. Gas burner according to claim 1 or 2, characterised in that a flow cross-sectional surface (A) of the mixing tube (13) can be changed with the aid of the insert (17).
  4. Gas burner according to claim 1, characterised in that the insert (17) can be inserted into the mixing tube (13) from a top side (18) of the burner lower part (9) and can be removed herefrom.
  5. Gas burner according to claim 4, characterised in that the insert (17) has a peripheral support flange (20) which is designed to rest on the top side (18) of the burner lower part (9).
  6. Gas hotplate (2) with at least one gas burner (8) according to one of claims 1 - 5, and at least one gas control valve (5) for regulating a flow of fuel gas to the at least one gas burner (8).
  7. Gas cooker (1) with at least one gas burner (8) according to one of claims 1 - 5, and/or a gas hotplate (2) according to claim 6.
  8. Method for replacing the fuel gas of a gas burner (8) according to one of claims 1 - 5, which has a mixing tube (13) for mixing the fuel gas with primary air (L), a gas nozzle (11), which is designed to inject the fuel gas into the mixing tube (13), and an insert (17) which can be inserted herein and replaced in order to change a geometry of the mixing tube (13), with the following method steps:
    replacing (S1) the gas nozzle (11);
    replacing (S2) the insert (17); and
    replacing (S3) the fuel gas.
EP15766654.6A 2014-09-24 2015-09-02 Gas burner, gas hob, gas range and method for changing the fuel gas of a gas burner Active EP3198194B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201431396A ES2564883B1 (en) 2014-09-24 2014-09-24 Gas burner, gas cooking point, gas cooker, and procedure for changing the fuel gas of a gas burner
PCT/IB2015/056657 WO2016046668A1 (en) 2014-09-24 2015-09-02 Gas burner, gas hob, gas range and method for changing the fuel gas of a gas burner

Publications (2)

Publication Number Publication Date
EP3198194A1 EP3198194A1 (en) 2017-08-02
EP3198194B1 true EP3198194B1 (en) 2020-12-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15766654.6A Active EP3198194B1 (en) 2014-09-24 2015-09-02 Gas burner, gas hob, gas range and method for changing the fuel gas of a gas burner

Country Status (3)

Country Link
EP (1) EP3198194B1 (en)
ES (1) ES2564883B1 (en)
WO (1) WO2016046668A1 (en)

Families Citing this family (1)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678799A (en) * 2017-03-07 2017-05-17 å¹æ州åø‚ēŗ¢ę—„ē‡ƒå…·ęœ‰é™å…¬åø Blowing type combustor and stove provided with combustor

Family Cites Families (5)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
FR1141977A (en) * 1955-12-14 1957-09-12 All gas burner with vertical mixer for hobs of domestic ranges
FR2576670B1 (en) * 1985-01-30 1987-04-17 Sourdillon Sa FLAT-TYPE GAS BURNER, PARTICULARLY FOR HOUSEHOLD APPLIANCES, AGENCY FOR USING DIFFERENT GASES
FR2598487B1 (en) * 1986-05-12 1988-08-12 Sourdillon Airindex Sa GAS BURNER, PARTICULARLY FOR A HOUSEHOLD APPLIANCE, EQUIPPED WITH AN AIR ADJUSTMENT RING AGENT FOR THE USE OF GASES OF DIFFERENT TYPES
US5266026A (en) * 1990-10-17 1993-11-30 Robertshaw Controls Company Burner construction and method of making the same
US6537065B1 (en) * 2002-04-04 2003-03-25 Viking Range Corporation Sealed gas burner

Non-Patent Citations (1)

* Cited by examiner, ā€  Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2564883B1 (en) 2017-01-18
WO2016046668A1 (en) 2016-03-31
EP3198194A1 (en) 2017-08-02
ES2564883A1 (en) 2016-03-29

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