EP3198194A1 - 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

Info

Publication number
EP3198194A1
EP3198194A1 EP15766654.6A EP15766654A EP3198194A1 EP 3198194 A1 EP3198194 A1 EP 3198194A1 EP 15766654 A EP15766654 A EP 15766654A EP 3198194 A1 EP3198194 A1 EP 3198194A1
Authority
EP
European Patent Office
Prior art keywords
gas
burner
insert
mixing tube
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.)
Granted
Application number
EP15766654.6A
Other languages
German (de)
French (fr)
Other versions
EP3198194B1 (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
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete 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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3198194A1 publication Critical patent/EP3198194A1/en
Application granted granted Critical
Publication of EP3198194B1 publication Critical patent/EP3198194B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; 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

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, whereby primary air is sucked in laterally past the gas nozzle into the mixing chamber.
  • the gas nozzle is replaceable.
  • the mixing chamber remains unchanged.
  • an object of the present invention is to provide an improved gas burner.
  • a gas burner for a gas range comprising a mixing tube for mixing fuel gas and primary air, a gas nozzle, which is adapted to inject the fuel gas into the mixing tube, and a usable and changeable for changing a geometry of the mixing tube in this insert.
  • the insert is replaceable, the geometry of the mixing tube can be changed when changing the fuel gas. This allows pre-mixing to be optimized for each fuel gas before combustion. The combustion is thereby improved for all candidate fuel gases, since for each fuel gas, a suitable use and a suitable gas nozzle can be provided.
  • 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 help of the mixing tube and the insert, the flow cross-sectional area can be increased or reduced depending on the type of fuel gas used.
  • the insert and the gas nozzle can be exchanged during a change of the fuel gas.
  • the gas nozzle is preferably screwed into a burner lower part of the gas burner. As a result, the gas nozzle can be easily exchanged.
  • the insert can be screwed into the burner base, for example, pressed or loosely inserted.
  • the gas nozzle and the insert are receivable in a burner lower part of the gas burner.
  • the burner base can be made in two parts.
  • the burner base includes a base portion in which the gas nozzle is received, and a mixing pipe receiving portion that receives the mixing pipe.
  • the insert can be inserted from an upper side of the burner lower part into the mixing tube and can be removed therefrom.
  • the insert has a circumferential support flange, which is adapted to rest on the upper side of the burner lower part.
  • the support flange is preferably annular.
  • a gas hob with at least one such gas burner and at least one gas control valve for controlling a fuel gas flow to the at least one gas burner is proposed. Furthermore, a gas stove with at least one such gas burner and / or such a gas hob is proposed.
  • the gas stove is preferably a household appliance. Furthermore, a method for changing the fuel gas of a gas burner is proposed.
  • the gas burner in this case has a mixing tube for mixing the fuel gas with primary air, a gas nozzle which is adapted to inject the fuel gas into the mixing tube, and a changeable insert for changing a geometry of the mixing tube.
  • the process comprises the following process steps: replacement of the gas nozzle; Changing the insert; and changing the fuel gas.
  • gas burner the gas hob, the gas range and / or the method also include not explicitly mentioned combinations of features or embodiments described above or below with regard to the exemplary embodiments.
  • the skilled person will also add individual aspects as improvements or additions to the respective basic form of the gas burner, the gas hob, the gas range and / or the method.
  • Fig. 1 shows a schematic plan view of an embodiment of a gas range
  • Fig. 2 shows a schematic side view of an embodiment of a gas burner for the gas stove according to the Fig. 1;
  • FIG. 3 shows a schematic sectional view of the gas burner according to Fig. 2;
  • FIG. 4 shows a schematic perspective view of a burner lower part of the gas burner according to FIG. 2;
  • FIG. 3 shows a schematic sectional view of the gas burner according to Fig. 2;
  • FIG. 4 shows a schematic perspective view of a burner lower part of the gas burner according to FIG. 2;
  • FIG. 3 shows a schematic sectional view of the gas burner according to Fig. 2;
  • FIG. 4 shows a schematic perspective view of a burner lower part of the gas burner according to FIG. 2;
  • FIG. 5 shows a schematic sectional view of the burner base according to FIG. 4; and FIG. 6 shows a schematic view of a method for changing the fuel gas of a gas burner.
  • 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 cavity 3 and at least one gas burner arrangement 4.
  • the gas burner assembly 4 has a gas control valve 5, which is connected to a main gas line 6.
  • the gas burner arrangement 4 further comprises a supply line 7 and a gas burner 8.
  • the gas burner 8 is shown in FIG. 1 only greatly simplified.
  • the supply line 7 connects the gas control valve 5 with the gas burner 8.
  • the gas hob 2 may have a plurality of gas burner assemblies 4. As shown in FIG. 1, the gas hob 2 may have five gas burner assemblies 4.
  • the gas control valve 5 is set up to control a fuel gas flow or gas volume flow to the gas burner 8 or to steplessly regulate or optionally to interrupt it.
  • Each gas control valve 5 is attached to the main gas line 6.
  • the gas control valve 5 is clamped to the main gas line 6.
  • FIG. 2 shows a schematic side view of an embodiment of a gas burner 8.
  • FIG. 3 shows a schematic sectional view of the gas burner 8. Reference will now be made to FIGS. 2 and 3 at the same time.
  • the gas burner 8 comprises a two-part burner base 9 having a base portion 10 in which a gas nozzle 11 is received, and a mixing pipe receiving portion 12 having a mixing chamber or mixing tube 13 for mixing primary air L with fuel gas.
  • the gas nozzle 11 is adapted to inject fuel gas into the mixing tube 13.
  • the mixing tube 13 is in particular a Venturi tube. By injecting the Fuel gas into the mixing tube 13 is sucked laterally at the gas nozzle 11 over primary air L in the mixing tube 13.
  • the gas burner 8 further comprises a burner upper part 14 with gas outlet openings 15.
  • the gas outlet openings 15 are preferably distributed uniformly around a circumference of the burner upper part 14.
  • the burner upper part 14 is placed on the burner base 9.
  • the burner base 9 and in particular the mixing tube receiving portion 12 is connected to a cover plate or a top sheet of the gas hob 2, in particular screwed.
  • the burner lower part 9 and the burner upper part 14 are preferably rotationally symmetrical to a symmetrical or central axis 16 (FIG. 2).
  • the burner top 14 and / or the burner base 9 may have any other geometry such as an oval geometry, a rectangular geometry, a pentagonal or a hexagonal geometry.
  • the gas burner 8 comprises a insert 17 which can be inserted into and exchangeable for this purpose in order to change the geometry of the mixing tube 13.
  • the insert 17 is tubular.
  • the mixing tube 13 has a flow cross-sectional area A.
  • the flow cross-sectional area A may be circular.
  • the flow cross-sectional area A of the mixing tube 13 is variable. In particular, the flow cross-sectional area A can be increased or reduced with the aid of the insert 17.
  • the gas nozzle 1 1 and the geometry of the mixing tube 13 can be optimized for the fuel gas used.
  • fuel gas used For example, city gas, natural gas, liquefied petroleum gas or the like can be used as fuel gas.
  • the premix in the mixing tube 13 is optimized for each fuel gas. Combustion for all fuel gases is improved since 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 burner base 9, in particular in the mixing pipe receiving section 12. As shown in FIGS. 4 and 5, the insert 17 can be inserted and removed from an upper side 18 of the burner lower part 9 in the mixing tube 13.
  • the insert 17 has a tubular base portion 19 and a support flange 20 which surrounds the base portion 19 in an annular manner.
  • the support flange 20 is adapted to rest on the top 18 of the burner base 9.
  • 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 the insert 17 or vice versa. Finally, in a method step S3, the fuel gas is changed.

Landscapes

  • 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)

Abstract

The invention relates to a gas burner (8) for a gas range (1), comprising a mixing pipe (13) for mixing fuel gas with primary air (L), a gas nozzle (11), which is designed to inject the fuel gas into the mixing pipe (13), and an insert (17) which can inserted and adjusted therein for modifying the geometry of the mixing pipe (13).

Description

Gasbrenner, Gaskochstelle, Gasherd und Verfahren zum Wechseln des Brenngases eines Gasbrenners  Gas burner, gas hob, gas stove and method for changing the fuel gas of a gas burner
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 Gasdüse Brenngas eindüst. Das Mischrohr wirkt als Venturirohr, wodurch Primärluft seitlich an der Gasdüse vorbei in die Mischkammer eingesogen wird. Zur Verwendung verschiedener Brenngase ist die Gasdüse auswechselbar. Die Mischkammer bleibt dabei unverändert. 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, whereby primary air is sucked in laterally past the gas nozzle into the mixing chamber. To use different fuel gases, the gas nozzle is replaceable. The mixing chamber remains unchanged.
Vor diesem Hintergrund besteht eine Aufgabe der vorliegenden Erfindung darin, einen verbesserten Gasbrenner zur Verfügung zu stellen. Against this background, an object of the present invention is to provide an improved gas burner.
Demgemäß wird ein Gasbrenner für einen Gasherd, mit einem Mischrohr zum Mischen von Brenngas und Primärluft, einer Gasdüse, die dazu eingerichtet ist, das Brenngas in das Mischrohr einzudüsen, und einem zum Verändern einer Geometrie des Mischrohrs in dieses einsetzbaren und wechselbaren Einsatz. Accordingly, a gas burner for a gas range, comprising a mixing tube for mixing fuel gas and primary air, a gas nozzle, which is adapted to inject the fuel gas into the mixing tube, and a usable and changeable for changing a geometry of the mixing tube in this insert.
Dadurch, dass der Einsatz wechselbar ist, kann bei einem Wechsel des Brenngases die Geometrie des Mischrohrs verändert werden. Hierdurch kann das Vormischen vor der Verbrennung für jedes Brenngas optimiert werden. Die Verbrennung wird hierdurch für alle in Frage kommenden Brenngase verbessert, da für jedes Brenngas ein geeigneter Einsatz und eine geeignete Gasdüse bereitgestellt werden können. Gemäß einer Ausführungsform ist der Einsatz rohrförmig. Because the insert is replaceable, the geometry of the mixing tube can be changed when changing the fuel gas. This allows pre-mixing to be optimized for each fuel gas before combustion. The combustion is thereby improved for all candidate fuel gases, since for each fuel gas, a suitable use and a suitable gas nozzle can be provided. In one embodiment, the insert is tubular.
Der Einsatz weist vorzugsweise einen ringförmigen Querschnitt auf. The insert preferably has an annular cross-section.
Gemäß einer weiteren Ausführungsform ist mit Hilfe des Einsatzes eine Durchströmungsquerschnittsfläche des Mischrohrs veränderbar. Die Durchströmungsquerschnittsfläche weist vorzugsweise eine Kreisform auf. Mit Hilfe des Mischrohrs und des Einsatzes ist die Durchströmungsquerschnittsfläche je nach Art des verwendeten Brenngases vergrößerbar oder verkleinerbar. According to a further embodiment, 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 help of the mixing tube and the insert, the flow cross-sectional area can be increased or reduced depending on the type of fuel gas used.
Gemäß einer weiteren Ausführungsform sind bei einem Wechsel des Brenngases der Einsatz und die Gasdüse wechselbar. According to a further embodiment, the insert and the gas nozzle can be exchanged during a change of the fuel gas.
Die Gasdüse ist vorzugsweise in ein Brennerunterteil des Gasbrenners einschraubbar. Hierdurch kann die Gasdüse leicht wechselbar sein. Der Einsatz kann in das Brennerunterteil beispielsweise eingeschraubt, eingepresst oder lose eingeschoben sein. The gas nozzle is preferably screwed into a burner lower part of the gas burner. As a result, the gas nozzle can be easily exchanged. The insert can be screwed into the burner base, for example, pressed or loosely inserted.
Gemäß einer weiteren Ausführungsform sind die Gasdüse und der Einsatz in einem Brennerunterteil des Gasbrenners aufnehmbar. According to a further embodiment, the gas nozzle and the insert are receivable in a burner lower part of the gas burner.
Das Brennerunterteil kann zweiteilig ausgeführt sein. Beispielsweise umfasst das Bren- nerunterteil einen Basisabschnitt, in dem die Gasdüse aufgenommen ist, und einen Mischrohraufnahmeabschnitt, der das Mischrohr aufnimmt. The burner base can be made in two parts. For example, the burner base includes a base portion in which the gas nozzle is received, and a mixing pipe receiving portion that receives the mixing pipe.
Gemäß einer weiteren Ausführungsform 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 from an upper side of the burner lower part into the mixing tube and can be removed therefrom.
Hierdurch ist ein leichter Austausch des Einsatzes möglich. As a result, an easy replacement of the insert is possible.
Gemäß einer weiteren Ausführungsform 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 adapted to rest on the upper side of the burner lower part.
Hierdurch ist stets eine definierte Position des Einsatzes beim Austausch desselben gewährleistet. Der Auflageflansch ist vorzugsweise ringförmig. As a result, a defined position of the insert is always ensured when replacing it. The support flange is preferably annular.
Gemäß einer weiteren Ausführungsform wird eine Gaskochstelle mit zumindest einem derartigen Gasbrenner und zumindest einem Gasregelventil zum Regeln eines Brenngasstroms zu dem zumindest einen Gasbrenner hin vorgeschlagen. Weiterhin wird ein Gasherd mit zumindest einem derartigen Gasbrenner und/oder einer derartigen Gaskochstelle vorgeschlagen. According to a further embodiment, a gas hob with at least one such gas burner and at least one gas control valve for controlling a fuel gas flow to the at least one gas burner is proposed. Furthermore, a gas stove with at least one such gas burner and / or such a gas hob is proposed.
Der Gasherd ist vorzugsweise ein Haushaltsgerät. Ferner wird ein Verfahren zum Wechsel des Brenngases eines Gasbrenners vorgeschlagen. Der Gasbrenner weist dabei ein Mischrohr zum Mischen des Brenngases mit Primärluft, eine Gasdüse, die dazu eingerichtet ist, das Brenngas in das Mischrohr einzudüsen, und einen zum Verändern einer Geometrie des Mischrohrs in diesen einsetzbaren wechselbaren Einsatz auf. Das Verfahren weist die folgenden Verfahrensschritte auf: Wechsel der Gasdüse; Wechseln des Einsatzes; und Wechseln des Brenngases. The gas stove is preferably a household appliance. Furthermore, a method for changing the fuel gas of a gas burner is proposed. The gas burner in this case has a mixing tube for mixing the fuel gas with primary air, a gas nozzle which is adapted to inject the fuel gas into the mixing tube, and a changeable insert for changing a geometry of the mixing tube. The process comprises the following process steps: replacement of the gas nozzle; Changing the insert; and changing the fuel gas.
Weitere mögliche Implementierungen des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens umfassen auch nicht explizit genannte Kombinationen von zuvor oder im Folgenden bezüglich der Ausführungsbeispiele beschriebenen Merkmale oder Ausführungsformen. Dabei wird der Fachmann auch Einzelaspekte als Verbesserungen oder Ergänzungen zu der jeweiligen Grundform des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens hinzufügen. Further possible implementations of the gas burner, the gas hob, the gas range and / or the method also include not explicitly mentioned combinations of features or embodiments described above or below with regard to the exemplary embodiments. The skilled person will also add individual aspects as improvements or additions to the respective basic form of the gas burner, the gas hob, the gas range and / or the method.
Weitere vorteilhafte Ausgestaltungen und Aspekte des Gasbrenners, der Gaskochstelle, des Gasherds und/oder des Verfahrens sind Gegenstand der Unteransprüche sowie der im Folgenden beschriebenen Ausführungsbeispiele 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 Ausführungsformen unter Bezugnahme auf die beigelegten Figuren näher erläutert. Further advantageous embodiments and aspects of the gas burner, the gas hob, the gas range and / or the method are the subject of the dependent claims and the embodiments of the gas burner, the gas hob, the gas range 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 by means of preferred embodiments with reference to the attached figures.
Fig. 1 zeigt eine schematische Aufsicht einer Ausführungsform eines Gasherds; Fig. 1 shows a schematic plan view of an embodiment of a gas range;
Fig. 2 zeigt eine schematische Seitenansicht einer Ausführungsform eines Gasbrenners für den Gasherd gemäß der Fig. 1 ; Fig. 2 shows a schematic side view of an embodiment of a gas burner for the gas stove according to the Fig. 1;
Fig. 3 zeigt eine schematische Schnittansicht des Gasbrenners gemäß der Fig. 2; Fig. 4 zeigt eine schematische perspektivische Ansicht eines Brennerunterteils des Gasbrenners gemäß der Fig. 2; Fig. 3 shows a schematic sectional view of the gas burner according to Fig. 2; FIG. 4 shows a schematic perspective view of a burner lower part of the gas burner according to FIG. 2; FIG.
Fig. 5 zeigt eine schematische Schnittansicht des Brennerunterteils gemäß der Fig. 4; und Fig. 6 zeigt eine schematische Ansicht eines Verfahrens zum Wechseln des Brenngases eines Gasbrenners. Fig. 5 shows a schematic sectional view of the burner base according to 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, the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.
Die Fig. 1 zeigt in einer schematischen Aufsicht einen Gasherd 1. Der Gasherd 1 ist ein Haushaltsgerät. 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 Gasbrenner- anordnung 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 fünf Gasbrenneranordnungen 4 aufweisen. Das Gasregelventil 5 ist dazu eingerichtet, einen Brenngas- ström 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. 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 cavity 3 and at least one gas burner arrangement 4. The gas burner assembly 4 has a gas control valve 5, which is connected to a main gas line 6. The gas burner arrangement 4 further comprises a supply line 7 and a gas burner 8. The gas burner 8 is shown in FIG. 1 only greatly simplified. The supply line 7 connects the gas control valve 5 with the gas burner 8. The gas hob 2 may have a plurality of gas burner assemblies 4. As shown in FIG. 1, the gas hob 2 may have five gas burner assemblies 4. The gas control valve 5 is set up to control a fuel gas flow or gas volume flow to the gas burner 8 or to steplessly regulate or optionally to interrupt it. Each gas control valve 5 is attached to the main gas line 6. Preferably, the gas control valve 5 is clamped to the main gas line 6.
Die Fig. 2 zeigt in einer schematischen Seitenansicht eine Ausführungsform eines Gas- brenners 8. Die Fig. 3 zeigt eine schematische Schnittansicht des Gasbrenners 8. Im Folgenden wird auf die Fig. 2 und 3 gleichzeitig Bezug genommen. FIG. 2 shows a schematic side view of an embodiment of a gas burner 8. FIG. 3 shows a schematic sectional view of the gas burner 8. Reference will now be made to FIGS. 2 and 3 at the same time.
Der Gasbrenner 8 umfasst ein zweiteiliges Brennerunterteil 9 mit einem Basisabschnitt 10, in dem eine Gasdüse 11 aufgenommen ist, und einem Mischrohraufnahmeabschnitt 12, der eine Mischkammer oder ein Mischrohr 13 zum Mischen von Primärluft L mit Brenngas aufweist. Die Gasdüse 11 ist dazu eingerichtet, Brenngas in das Mischrohr 13 einzudüsen. Das Mischrohr 13 ist insbesondere ein Venturirohr. Durch das Eindüsen des Brenngases in das Mischrohr 13 wird seitlich an der Gasdüse 11 vorbei Primärluft L in das Mischrohr 13 eingesaugt. The gas burner 8 comprises a two-part burner base 9 having a base portion 10 in which a gas nozzle 11 is received, and a mixing pipe receiving portion 12 having a mixing chamber or mixing tube 13 for mixing primary air L with fuel gas. The gas nozzle 11 is adapted to inject fuel gas into the mixing tube 13. The mixing tube 13 is in particular a Venturi tube. By injecting the Fuel gas into the mixing tube 13 is sucked laterally at the gas nozzle 11 over primary air L in the mixing tube 13.
Der Gasbrenner 8 umfasst weiterhin ein Brenneroberteil 14 mit Gasaustrittsöffnungen 15. Die Gasaustrittsöffnungen 15 sind vorzugsweise gleichmäßig 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. Das Brennerunterteil 9 und das Brenneroberteil 14 sind vorzugsweise rotationssymmetrisch zu einer Symmetrie- oder Mittelachse 16 ausgebildet (Fig. 2). Alternativ können das Brenneroberteil 14 und/oder das Brennerunterteil 9 eine beliebige andere Geometrie wie beispielsweise eine ovale Geometrie, eine rechteckige Geometrie, eine fünfeckige oder eine sechseckige Geometrie aufweisen. The gas burner 8 further comprises a burner upper part 14 with gas outlet openings 15. The gas outlet openings 15 are preferably distributed uniformly around a circumference of the burner upper part 14. The burner upper part 14 is placed on the burner base 9. The burner base 9 and in particular the mixing tube receiving portion 12 is connected to a cover plate or a top sheet of the gas hob 2, in particular screwed. The burner lower part 9 and the burner upper part 14 are preferably rotationally symmetrical to a symmetrical or central axis 16 (FIG. 2). Alternatively, the burner top 14 and / or the burner base 9 may have any other geometry such as an oval geometry, a rectangular geometry, a pentagonal or a hexagonal geometry.
Die Fig. 4 zeigt eine Ausführungsform 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. Der Gasbrenner 8 umfasst einen zum Verändern einer Geometrie des Mischrohrs 13 in dieses einsetzbaren und wechselbaren Einsatz 17. Der Einsatz 17 ist rohrförmig. Das Mischrohr 13 weist eine Durchströmungsquerschnittsfläche A auf. Die Durchströmungsquerschnittsfläche A kann kreisrund sein. Mit Hilfe des Einsatzes 17 ist die Durchströmungsquerschnittsfläche A des Mischrohrs 13 veränderbar. Insbesondere ist die Durchströmungsquerschnittsfläche A mit Hilfe des Einsatzes 17 vergrößerbar oder verkleinerbar. Bei einem Wechsel des Brenngases können der Einsatz 17 und die Gasdüse 11 gleichzeitig gewechselt werden. Somit können die Gasdüse 1 1 und die Geometrie des Mischrohrs 13 für das verwendete Brenngas optimiert werden. Als Brenngas kann beispielsweise Stadtgas, Erdgas, Flüssiggas oder dergleichen Verwendung finden. Durch die Abstimmung der Geometrie des Mischrohrs 13 und die Art der Gasdüse 11 auf das verwendete Brenngas kann die Stabilität der Brennerflamme verbessert werden. Ein unerwünschtes Erlöschen wird somit verhindert. Die Vormischung in dem Mischrohr 13 wird für jedes Brenngas optimiert. Die Verbrennung für alle Brenngase wird verbessert, da für jedes verwendete Brenngas ein Einsatz 17 und eine entsprechende Gasdüse 11 ver- wendbar sind. Hierdurch wird die Effizienz des Gasbrenners 8 erhöht und die Emission von Treibhausgasen reduziert. 4 shows an embodiment of the burner base 9 in a schematic perspective view. FIG. 5 shows a schematic sectional view of the burner base part 9. Reference will now be made to FIGS. 4 and 5 at the same time. The gas burner 8 comprises a insert 17 which can be inserted into and exchangeable for this purpose in order to change the geometry of the mixing tube 13. The insert 17 is tubular. The mixing tube 13 has a flow cross-sectional area A. The flow cross-sectional area A may be circular. With the help of the insert 17, the flow cross-sectional area A of the mixing tube 13 is variable. In particular, the flow cross-sectional area A can be increased 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 simultaneously. Thus, the gas nozzle 1 1 and the geometry of the mixing tube 13 can be optimized for the fuel gas used. For example, city gas, natural gas, liquefied petroleum gas or the like can be used as fuel gas. By tuning 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. An undesirable extinction is thus prevented. The premix in the mixing tube 13 is optimized for each fuel gas. Combustion for all fuel gases is improved since 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 Mischrohraufnahmeab- schnitt 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 rohrförmigen Basisabschnitt 19 und einen den Basisabschnitt 19 ringförmig umlaufenden Auflageflansch 20 auf. Der Auflageflansch 20 ist dazu eingerichtet, auf der Oberseite 18 des Brennerunterteils 9 aufzuliegen. Die Fig. 6 zeigt schematisch ein Verfahren zum Wechsel des Brenngases eines Gasbrenners 8. In einem Verfahrensschritt S1 wird die Gasdüse 11 gewechselt. In einem zweiten Verfahrensschritt S2 wird der Einsatz 17 gewechselt. Die Gasdüse 11 kann vor dem Einsatz 17 oder umgekehrt gewechselt werden. Abschließend wird in einem Verfahrensschritt S3 das Brenngas gewechselt. The insert 17 can be received in the burner base 9, in particular in the mixing pipe receiving section 12. As shown in FIGS. 4 and 5, the insert 17 can be inserted and removed from an upper side 18 of the burner lower part 9 in the mixing tube 13. The insert 17 has a tubular base portion 19 and a support flange 20 which surrounds the base portion 19 in an annular manner. The support flange 20 is adapted to rest on the top 18 of the burner base 9. 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 the insert 17 or vice versa. Finally, in a method step S3, the fuel gas is changed.
Verwendete Bezugszeichen: Used reference signs:
1 Gasherd 1 gas stove
2 Gaskochstelle  2 gas hob
3 Kochmuldenwanne  3 hobs
4 Gasbrenneranordnung 4 gas burner arrangement
5 Gasregelventil  5 gas control valve
6 Hauptgasleitung  6 main gas line
7 Zuleitung  7 supply line
8 Gasbrenner  8 gas burners
9 Brennerunterteil 9 burner base
10 Basisabschnitt  10 basic section
11 Gasdüse  11 gas nozzle
12 Mischrohraufnahmeabschnitt 12 mixing pipe receiving section
13 Mischrohr 13 mixing tube
14 Brenneroberteil 14 burner top
15 Gasaustrittsöffnung  15 gas outlet opening
16 Mittelachse  16 central axis
17 Einsatz  17 use
18 Oberseite  18 top
19 Basisabschnitt 19 basic section
20 Auflageflansch  20 support flange
A DurchströmungsquerschnittsflächeA flow cross-sectional area
L Primärluft L primary air

Claims

PATENTANSPRÜCHE
1. Gasbrenner (8) für einen Gasherd (1), mit einem Mischrohr (13) zum Mischen von Brenngas mit Primärluft (L), einer Gasdüse (1 1), die dazu eingerichtet ist, das Brenngas in das Mischrohr (13) einzudüsen, und einem zum Verändern einer Geometrie des Misch- rohrs (13) in dieses einsetzbaren und wechselbaren Einsatz (17). A gas burner (8) for a gas range (1), comprising a mixing tube (13) for mixing fuel gas with primary air (L), a gas nozzle (1 1) adapted to inject the fuel gas into the mixing tube (13) , and an insert (17) which can be inserted into and exchangeable for changing a geometry of the mixing tube (13).
2. Gasbrenner nach Anspruch 1 , dadurch gekennzeichnet, dass der Einsatz (17) rohr- förmig ist. 2. Gas burner according to claim 1, characterized in that the insert (17) is tubular.
3. Gasbrenner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mit Hilfe des Einsatzes (17) eine Durchströmungsquerschnittsfläche (A) des Mischrohrs (13) veränderbar ist. 3. Gas burner according to claim 1 or 2, characterized in that by means of the insert (17) has a flow cross-sectional area (A) of the mixing tube (13) is variable.
4. Gasbrenner nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, dass bei ei- nem Wechsel des Brenngases der Einsatz (17) und die Gasdüse (1 1) wechselbar sind. 4. Gas burner according to one of claims 1 - 3, characterized in that in a change of the fuel gas of the insert (17) and the gas nozzle (1 1) are interchangeable.
5. Gasbrenner nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, dass die Gasdüse (1 1) und der Einsatz (17) in einem Brennerunterteil (9) des Gasbrenners (8) aufnehmbar sind. 5. Gas burner according to one of claims 1 - 4, characterized in that the gas nozzle (1 1) and the insert (17) in a burner lower part (9) of the gas burner (8) are receivable.
6. Gasbrenner nach Anspruch 5, dadurch gekennzeichnet, dass der Einsatz (17) von einer Oberseite (18) des Brennerunterteils (9) in das Mischrohr (13) einsetzbar und aus diesem entnehmbar ist. 6. Gas burner according to claim 5, characterized in that the insert (17) from an upper side (18) of the burner lower part (9) in the mixing tube (13) can be inserted and removed therefrom.
7. Gasbrenner nach Anspruch 6, dadurch gekennzeichnet, dass der Einsatz (17) einen umlaufenden Auflageflansch (20) aufweist, der dazu eingerichtet ist, auf der Oberseite (18) des Brennerunterteils (9) aufzuliegen. 7. Gas burner according to claim 6, characterized in that the insert (17) has a peripheral support flange (20) which is adapted to rest on the upper side (18) of the burner lower part (9).
8. Gaskochstelle (2) mit zumindest einem Gasbrenner (8) nach einem der Ansprüche 1 - 7 und zumindest einem Gasregelventil (5) zum Regeln eines Brenngasstroms zu dem zumindest einen Gasbrenner (8) hin. 8. Gas cooking station (2) with at least one gas burner (8) according to one of claims 1-7 and at least one gas control valve (5) for controlling a fuel gas flow to the at least one gas burner (8).
9. Gasherd (1) mit zumindest einem Gasbrenner (8) nach einem der Ansprüche 1 - 7 und/oder einer Gaskochstelle (2) nach Anspruch 8. 9. Gas stove (1) with at least one gas burner (8) according to any one of claims 1-7 and / or a gas cooking point (2) according to claim 8.
10. Verfahren zum Wechsel des Brenngases eines Gasbrenners (8), der ein Mischrohr10. A method for changing the fuel gas of a gas burner (8) having a mixing tube
(13) zum Mischen des Brenngases mit Primärluft (L), eine Gasdüse (11), die dazu einge- richtet ist, das Brenngas in das Mischrohr (13) einzudüsen, und einen zum Verändern einer Geometrie des Mischrohrs (13) in dieses einsetzbaren und wechselbaren Einsatz(13) for mixing the fuel gas with primary air (L), a gas nozzle (11) arranged to inject the fuel gas into the mixing tube (13), and one for changing a geometry of the mixing tube (13) to be inserted therein and exchangeable use
(17) aufweist, mit folgenden Verfahrensschritten: (17), comprising the following steps:
Wechseln (S1) der Gasdüse (1 1);  Changing (S1) the gas nozzle (1 1);
Wechseln (S2) des Einsatzes (17); und  Changing (S2) the insert (17); and
Wechseln (S3) des Brenngases. Change (S3) of 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 true EP3198194A1 (en) 2017-08-02
EP3198194B1 EP3198194B1 (en) 2020-12-02

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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, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678799A (en) * 2017-03-07 2017-05-17 广州市红日燃具有限公司 Blowing type combustor and stove provided with combustor

Family Cites Families (5)

* Cited by examiner, † 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

Also Published As

Publication number Publication date
EP3198194B1 (en) 2020-12-02
ES2564883A1 (en) 2016-03-29
ES2564883B1 (en) 2017-01-18
WO2016046668A1 (en) 2016-03-31

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