EP2942564B1 - Brûleur à gaz - Google Patents

Brûleur à gaz Download PDF

Info

Publication number
EP2942564B1
EP2942564B1 EP15165261.7A EP15165261A EP2942564B1 EP 2942564 B1 EP2942564 B1 EP 2942564B1 EP 15165261 A EP15165261 A EP 15165261A EP 2942564 B1 EP2942564 B1 EP 2942564B1
Authority
EP
European Patent Office
Prior art keywords
gas burner
strip
flame strip
metal fibre
frame member
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.)
Not-in-force
Application number
EP15165261.7A
Other languages
German (de)
English (en)
Other versions
EP2942564A1 (fr
Inventor
Marek Leopold SZADURSKI
David Michael Bruce Killer
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.)
Beckett Thermal Solutions Ltd
Original Assignee
Worgas Burners Ltd
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 Worgas Burners Ltd filed Critical Worgas Burners Ltd
Publication of EP2942564A1 publication Critical patent/EP2942564A1/fr
Application granted granted Critical
Publication of EP2942564B1 publication Critical patent/EP2942564B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F23D14/10—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 elongated tubular burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/101—Flame diffusing means characterised by surface shape
    • F23D2203/1017—Flame diffusing means characterised by surface shape curved
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/102—Flame diffusing means using perforated plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2210/00—Noise abatement
    • F23D2210/101—Noise abatement using noise dampening material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2212/00—Burner material specifications
    • F23D2212/20—Burner material specifications metallic
    • F23D2212/201—Fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2213/00—Burner manufacture specifications

Definitions

  • This invention concerns a gas burner.
  • US2012/0000456 A1 describes a gas burner according to the preamble of claim 1.
  • a gas burner including a body defining a chamber, the body comprising a profiled integral member, with a plurality of ports being provided extending through a face of the body to provide a flame strip, with a combustion surface on the external side of the flame strip, the gas burner also including a frame member which is mounted to the body by a mechanical joint, characterised in that the gas burner is made of just the body, the frame member, and a layer of metal fibre mounted on the exterior side of the flame strip, the frame member comprising a peripheral strip defining a central opening, with a pair of support members extending across the opening, a flange being provided around the body, the body being mounted to the frame member by the edges of the peripheral strip being pressed around the flange.
  • the body may comprise an at least generally planar part defining the flame strip, and side walls extending from the planar part, with the flange provided at opposite ends of the side walls from the planar part.
  • the flame strip may be domed.
  • the metal fibre may be provided on only a part of the flame strip.
  • the metal fibre may be provided on just a central part of the flame strip.
  • the metal fibre may be mounted to the body by spot welding.
  • the body and frame member may be mounted together by pressing.
  • a flange may be provided on the body, and the frame member may be profiled to engage on either side of the flange to provide a mechanical joint therebetween.
  • Metal fibre may be mounted on an external side of the flame strip.
  • the metal fibre may be mounted on the flame strip by spot welding.
  • the metal fibre may be mounted on the flame strip prior to shaping of the planar material to form the body.
  • Figs. 1 to 3 show a gas burner 10 of a type useable for instance in a central heating boiler, a cooking appliance or otherwise.
  • the gas burner comprises a body 12 formed of an integral profiled sheet 14 of an appropriate metal.
  • the body 12 has an upper slightly raised area which defines a flame strip 16 with a combustion surface on the external side of the flame strip 16.
  • a layer of metal fibre 17 is mounted on the flame strip 14.
  • a plurality of ports 18 are provided through the flame strip 16.
  • the ports 18 may be in the form of circular holes or slots, or a combination of the two, or other shaped openings.
  • a flange 20 is provided around the body 12 at the edges thereof away from the flame strip 16.
  • a frame 22 is provided on the burner 10.
  • the frame 22 comprises a peripheral strip 24 defining a central opening 26, with a pair of support members 28 extending across the opening 26.
  • the body 12 is mounted to the frame 22 by the edges of the peripheral strip, being pressed around the flange 20.
  • the ports 18 may be formed in the sheet 14.
  • the sheet 14 can then be profiled to form the body 12.
  • the frame 22 can be mounted on to the body by pressing edges of the frame on to the flange as shown in Fig. 1 .
  • the metal fibre 17 extends across just a central portion of the flame strip 16, as is indicated by the lighter shaded ports 18 in Fig. 3 , with a row of ports 18 at each end and side not covered by the metal fibre 17.
  • Fig. 4 shows a second gas burner 28 with a layer of metal fibre 30 extending wholly across the flame strip 16 and covering all of the ports 18.
  • the metal fibre 17, 30 may be mounted to the body 12 by spot welding, and could be mounted on to the flame strip 16 during manufacture and prior to shaping of the body 12.
  • the metal fibre 17, 30 is required to only cover a part of the flame strip 16, and may for instance only be required to cover a central part of the flame strip 16.
  • the metal fibre is used to reduce or substantially eliminate noise or resonance during use of the burner. Leaving some of the ports uncovered by the metal fibre, provides for a retention of flame for instance with lean or poor gases, and thereby avoids nuisance shutdown of the burner.

Landscapes

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

Claims (11)

  1. Brûleur à gaz, le brûleur à gaz 10 comprenant un corps 12 définissant une chambre, le corps 12 comprenant un élément monobloc profilé 14, avec une pluralité d'orifices 18 prévus s'étendant à travers une face du corps 12 pour fournir une bande de flamme 16, avec une surface de combustion sur le côté extérieur de la bande de flamme 16, le brûleur à gaz 10 comprenant également un élément de châssis 22 qui est monté sur le corps 12 par un assemblage mécanique, caractérisé en ce que le brûleur à gaz 10 est constitué par seulement le corps 12, l'élément de cadre 22, et une couche de fibres métalliques 17 montée sur le côté extérieur de la bande de flamme 16, l'élément de cadre 22 comportant une bande périphérique 24 définissant une ouverture centrale 26, avec une paire d'éléments de support 28 s'étendant au travers de l'ouverture, une collerette 20 étant prévue autour du corps 12, le corps 12 étant monté sur l'élément de cadre 22 par le biais des bords de la bande périphérique 24 qui sont pressés autour de la collerette 20.
  2. Brûleur à gaz selon la revendication 1, dans lequel le corps 12 comprend une partie au moins généralement plane définissant la bande de flamme 16, et des parois latérales s'étendant depuis la partie plane, avec la collerette 20 prévue au niveau des extrémités opposées des parois latérales par rapport à la partie plane.
  3. Brûleur à gaz selon la revendication 2, dans lequel la bande de flamme 16 est bombée.
  4. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel la fibre métallique 17 est prévue sur une partie seulement de la bande de flamme 16.
  5. Brûleur à gaz selon la revendication 4, dans lequel la fibre métallique 17 est prévue sur seulement une partie centrale de la bande de flamme 16.
  6. Brûleur à gaz selon l'une quelconque des revendications précédentes, dans lequel la fibre métallique 17 est montée sur le corps 12 par soudage par points.
  7. Procédé de formation d'un brûleur à gaz 10 selon l'une quelconque des revendications précédentes, le procédé comprenant les étapes consistant à former une pluralité d'ouvertures dans une pièce de matériau plat afin de définir une bande de flamme 16 avec des orifices 18 au travers de celle-ci, façonner mécaniquement le matériau plat pour définir un corps 12, et monter le corps 12 sur un élément de cadre 22 en formant un joint mécanique entre eux.
  8. Procédé selon la revendication 7, dans lequel le corps 12 et l'élément de cadre 22 sont montés ensemble par pressage.
  9. Procédé selon les revendications 7 ou 8, dans lequel une collerette 20 est prévue sur le corps 12 et l'élément de cadre 22 est profilé pour s'engager de part et d'autre de la collerette 20 pour fournir un joint mécanique entre eux.
  10. Procédé selon l'une quelconque des revendications 7 à 9, dans lequel la fibre métallique 17 est montée sur un côté extérieur de la bande de flamme 16.
  11. Procédé selon la revendication 10, dans lequel la fibre métallique 17 est montée sur la bande de flamme 16 par soudage par points, et la fibre métallique 17 peut être montée sur la bande de flamme 16 avant la mise en forme du matériau plat pour former le corps 12.
EP15165261.7A 2014-05-07 2015-04-27 Brûleur à gaz Not-in-force EP2942564B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1408002.2A GB2525873A (en) 2014-05-07 2014-05-07 Gas burner

Publications (2)

Publication Number Publication Date
EP2942564A1 EP2942564A1 (fr) 2015-11-11
EP2942564B1 true EP2942564B1 (fr) 2016-12-28

Family

ID=50980685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15165261.7A Not-in-force EP2942564B1 (fr) 2014-05-07 2015-04-27 Brûleur à gaz

Country Status (4)

Country Link
EP (1) EP2942564B1 (fr)
ES (1) ES2620460T3 (fr)
GB (1) GB2525873A (fr)
PT (1) PT2942564T (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6853075B2 (ja) * 2017-03-13 2021-03-31 リンナイ株式会社 全一次燃焼式バーナ
WO2020079445A1 (fr) * 2018-10-17 2020-04-23 Worgas Burners Limited Procédé de formation d'une membrane de brûleur à gaz
IT202000005191A1 (it) * 2020-03-11 2021-09-11 Beckett Thermal Solutions S R L Bruciatore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520536A (en) * 1995-05-05 1996-05-28 Burner Systems International, Inc. Premixed gas burner
US6461149B1 (en) * 2000-02-22 2002-10-08 Soloranics, Inc. Gas burner with controlled thermal expansion

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1381981A (en) * 1972-01-01 1975-01-29 Adaptogas Ltd Natural gas burner units
GB8531466D0 (en) * 1985-12-20 1986-02-05 Bray & Co Ltd Geo Longitudinal section gas burner
ATE174681T1 (de) * 1992-03-03 1999-01-15 Bekaert Sa Nv Poröse metallfiber-platte
NL9201847A (nl) * 1992-10-23 1994-05-16 Supergas Bv Gaasbrander.
EP0762051B1 (fr) * 1993-12-06 1999-08-11 Papst-Motoren Gmbh & Co. Kg Ventilateur pour brûleur à prémélange opérant au gaz
GB2302401B (en) * 1995-06-15 1999-08-04 British Gas Plc Fuel fired burners
DE69810464T2 (de) * 1998-08-28 2009-09-24 N.V. Bekaert S.A. Wellenförmige Membran für Gasstrahlungsbrenner
DE69910167T2 (de) * 1999-03-18 2004-06-09 Worgas Bruciatori S.R.L. Rohrbrenner
GB2388182A (en) * 2002-04-30 2003-11-05 Thermaco Ltd A burner with an internal venturi arrangement
CN101545634B (zh) * 2003-04-18 2012-04-04 贝卡尔特股份有限公司 金属燃烧室膜片
FR2942866B1 (fr) * 2009-03-06 2012-03-23 Mer Joseph Le Porte a bruleur integre pour appareil de chauffage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520536A (en) * 1995-05-05 1996-05-28 Burner Systems International, Inc. Premixed gas burner
US6461149B1 (en) * 2000-02-22 2002-10-08 Soloranics, Inc. Gas burner with controlled thermal expansion

Also Published As

Publication number Publication date
PT2942564T (pt) 2017-04-03
GB201408002D0 (en) 2014-06-18
ES2620460T3 (es) 2017-06-28
EP2942564A1 (fr) 2015-11-11
GB2525873A (en) 2015-11-11

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