EP2048440B1 - Brûleur - Google Patents

Brûleur Download PDF

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Publication number
EP2048440B1
EP2048440B1 EP20080017776 EP08017776A EP2048440B1 EP 2048440 B1 EP2048440 B1 EP 2048440B1 EP 20080017776 EP20080017776 EP 20080017776 EP 08017776 A EP08017776 A EP 08017776A EP 2048440 B1 EP2048440 B1 EP 2048440B1
Authority
EP
European Patent Office
Prior art keywords
burner
guiding element
flow guiding
burner according
infeed
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
EP20080017776
Other languages
German (de)
English (en)
Other versions
EP2048440A1 (fr
Inventor
Konrad Ritter
Gerd Schmalfuß
Thomas Niggemann
Martin Hirsch
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.)
Viessmann Werke GmbH and Co KG
Original Assignee
Viessmann Werke GmbH and Co KG
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 Viessmann Werke GmbH and Co KG filed Critical Viessmann Werke GmbH and Co KG
Publication of EP2048440A1 publication Critical patent/EP2048440A1/fr
Application granted granted Critical
Publication of EP2048440B1 publication Critical patent/EP2048440B1/fr
Active 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices
    • 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
    • F23D14/105—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 with injector axis parallel to the burner head axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet

Definitions

  • the invention relates to a burner according to the preamble of patent claim 1.
  • a burner of the type mentioned is according to the DE 31 10 301 A1 known.
  • This gas blower burner consists of a cylindrical burner body (flame body), which at one of its two end faces a supply for a combustible fuel-air mixture (typically ErdgaL - air mixture), which is closed at its other end face and the peripheral surface at least partially is formed as a fuel surface, wherein in the burner body, a sleeve-shaped flow guide element for the fuel-air mixture is arranged, which adjoins the feed, which extends into the region of the closed end side and which defines a sleeve inner and a sleeve outer space which together are pneumatically connected in the region of the closed end face, wherein the Hulsenau wearraum is formed annular gap-like and extends at least between the focal surface and the flow guide element.
  • a combustible fuel-air mixture typically ErdgaL - air mixture
  • the invention has for its object to improve the combustion or the burning behavior of a burner of the type mentioned.
  • the in the FIGS. 1 to 3 shown gas blower burner consists of a cylindrical burner body 1, which has at one of its two end faces 2, a supply 3 for a gas-air mixture to be burned.
  • the burner body 1 is also closed at its other end face 4.
  • Its cylindrical peripheral surface (lateral surface, also called distribution surface) is at least partially formed as a focal surface 5, wherein the lateral surface in the region of the focal surface 5 through holes for the gas-air mixture and of the actual focal surface 5 forming metallic wires (wire mesh or wire mesh) enclosed is.
  • the outer burner body 1 from a first, the supply 3 forming hollow cylindrical pipe section 11, from a second, enclosed by the fuel surface 5, hollow cylindrical pipe section 12 with passage openings for the fuel-air mixture and a lid-like end face. 4 is formed.
  • the closed trained end face 4 of the burner body 1 is provided with a facing in the direction of Strämungs Elilement 6 convex curvature 13, which contributes in cooperation with the yet to be explained flow guide element 6 to a uniform distribution of the fuel-air mixture in the interior of the burner body 1.
  • the flow of the fuel-air mixture advantageously cools the curved front side 4.
  • This adjoins the feed 3 and extends into the region of the closed end face 4.
  • It defines a sleeve inner 7 and a sleeve outer space 8, which spaces with each other in the region of the closed end 4 via corresponding openings or the like (for example to be explained recesses 10) are pneumatically in communication.
  • the sleeve outer space 8 is formed ring-like and extends at least between the focal surface 5 and the flow guide element 6.
  • the sleeve outer space 8 extends in the preferred embodiment, even from one to the other end face 3, 4th
  • annular gap-like sleeve outer space 8 is formed at least in the region of the focal surface 5 with respect to its flow cross-sectional area in the direction of the feed 3 smaller. As explained above, this requirement leads to a very uniform fuel supply to the focal surface 5 and thus to a very uniform combustion because of consideration of the volume compensation.
  • the flow-guiding element 6 is designed to be cone-shaped on the outside of the sleeve and at least in the area of the focal surface 5. Further, if the flow guide element 6 is also cone-shaped on the inside of the sleeve, this can even be formed as a whole of cone-shaped sheet metal material (see in particular FIG. 2 and 3 ). - Of course, however, other embodiments of the flow guide element 6 into consideration, as long as in these the sleeve outer space 8 is formed smaller in the direction of feed 3.
  • the feed side end of the flow guide element 6 has an outer diameter which corresponds to a feed side inner diameter of the burner body 1.
  • Spacers 9 are arranged. This in FIG. 2 Hatched spacers 9 are formed supporting on an inner side of the burner body 1. Furthermore, the spacer elements 9 are arranged as strip-shaped components for flow guidance at least in the region of the focal surface 5.
  • the six little dashes in FIG. 2 indicate the fixation points or lines (for example, by welding) for in this FIG. 2 at this circumferential positions not shown spacers 9 (the upper and lower spacer 9 is in FIG. 2 but shown; FIG. 3 shows four of a total of six spacer elements 9).
  • the spacer element 9 forms an axial support of the flow guide element 6 against the closed end face 4. Between the flow guide element 6 or the spacer elements 9 and the end face 4 there is preferably only a punctiform contact area for minimizing the heat transfer (in each case).
  • FIG. 2 and 3 shows, when using a plurality of spacer elements 9 between these at the supply-remote end of the flow guide element 6 the sleeve interior 7 with the sleeve outer space 8 pneumatically connecting recesses 10 is provided. These serve to convey the gas-air mixture in cooperation with the curvature 13 as evenly as possible to a respective flow gap formed by two spacer elements 9, whereby at the same time the end face 4 is cooled.

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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)

Claims (13)

  1. Brûleur, comprenant un corps de brûleur cylindrique (1) qui présente sur une de ses deux faces (2) un conduit d'alimentation (3) pour un mélange combustible-air brûlant qui est fermé sur son autre face (4) et dont la surface périphérique est au moins partiellement constituée comme surface de combustion (5), un élément de guidage de l'écoulement (6) en forme de manchon pour le mélange combustible-air étant disposé dans le corps du brûleur (1) qui se raccorde au conduit d'alimentation (3) qui s'étend jusque dans la zone de la face (4) fermée et qui définit le compartiment intérieur de manchon (7) et le compartiment extérieur de manchon (8) qui sont reliés pneumatiquement l'un à l'autre dans la zone de la face (4) fermée, le compartiment extérieur de manchon (8) étant constitué comme un interstice annulaire et s'étendant au moins entre la surface de combustion (5) et l'élément de guidage de l'écoulement (6), le compartiment extérieur de manchon (8) de type interstice annulaire étant constitué se réduisant au moins dans la zone de la surface de combustion (5) par rapport à sa surface de section de passage en direction du conduit d'alimentation (3),
    caractérisé en ce que
    l'élément de guidage de l'écoulement (6) est constitué libre d'ouverture de passage depuis la face (2) du côté du conduit d'alimentation jusqu'au secteur de la face (4) fermée.
  2. Brûleur selon la revendication 1,
    caractérisé en ce que
    l'élément de guidage de l'écoulement (6) est constitué de forme conique au moins du côté du compartiment extérieur de manchon et au moins dans la zone de la surface de combustion (5).
  3. Brûleur selon la revendication 1 ou 2,
    caractérisé en ce que
    l'élément de guidage de l'écoulement (6) est constitué de forme conique du côté du compartiment intérieur de manchon.
  4. Brûleur selon la revendication 2 et 3,
    caractérisé en ce que
    l'élément de guidage de l'écoulement (6) est formé totalement en tôle de forme conique.
  5. Brûleur selon une quelconque des revendications 1 à 4,
    caractérisé en ce que
    l'extrémité du côté alimentation de l'élément de guidage de l'écoulement (6) présente un diamètre extérieur qui correspond à un diamètre intérieur côté alimentation du corps de brûleur (1).
  6. Brûleur selon une quelconque des revendications 1 à 5,
    caractérisé en ce que
    sur l'élément de guidage de l'écoulement (6) est(sont) disposé(s) côté compartiment extérieur du manchon au moins un élément d'écartement (9), de préférence trois éléments et plus.
  7. Brûleur selon la revendication 6,
    caractérisé en ce que
    l'élément d'écartement (9) est disposé en tant que composant en forme de bande pour le guidage de l'écoulement d'écoulement au moins dans la zone de la surface de combustion (5).
  8. Brûleur selon la revendication 6 ou 7,
    caractérisé en ce que
    l'élément d'écartement (9) est constitué adjacent à un côté intérieur du corps de brûleur (1).
  9. Brûleur selon la revendication 6 à 8,
    caractérisé en ce que
    l'élément d'écartement (9) forme un appui axial de l'élément de guidage de l'écoulement (6) contre la face (4) fermée.
  10. Brûleur selon une quelconque des revendications 6 à 9,
    caractérisé en ce que
    lorsqu'on utilise plusieurs éléments d'écartement (9), des évidements (10) sont prévus entre ceux-ci à l'extrémité opposée à l'alimentation de l'élément de guidage de l'écoulement (6), reliant pneumatiquement le compartiment intérieur de manchon (7) au compartiment extérieur de manchon (8).
  11. Brûleur selon une quelconque des revendications 1 à 10,
    caractérisé en ce que
    le corps de brûleur (1) est formé à partir d'une surface d'enveloppe cylindrique avec des trous de passage et en ce que celle-ci est entourée de la surface de combustion (5) formée de fils métalliques.
  12. Brûleur selon une quelconque des revendications 1 à 11,
    caractérisé en ce que
    le corps de brûleur (1) extérieur est formé d'une première pièce tubulaire (11) cylindrique creuse formant l'alimentation (3), d'une deuxième pièce tubulaire (12) cylindrique creuse enveloppée par la surface de combustion (5) avec des ouvertures de passage pour le mélange combustible-air et d'une face (4) constituée en forme de couvercle.
  13. Brûleur selon une quelconque des revendications 1 à 12,
    caractérisé en ce que
    la face (4) constituée fermée du corps de brûleur (1) présente une courbure (13) convexe orientée en direction de l'élément de guidage de l'écoulement (6).
EP20080017776 2007-10-10 2008-10-10 Brûleur Active EP2048440B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007048795A DE102007048795A1 (de) 2007-10-10 2007-10-10 Brenner

Publications (2)

Publication Number Publication Date
EP2048440A1 EP2048440A1 (fr) 2009-04-15
EP2048440B1 true EP2048440B1 (fr) 2013-10-02

Family

ID=40076628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080017776 Active EP2048440B1 (fr) 2007-10-10 2008-10-10 Brûleur

Country Status (2)

Country Link
EP (1) EP2048440B1 (fr)
DE (1) DE102007048795A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US364105A (en) * 1887-05-31 Watch
DE1529216A1 (de) * 1965-11-03 1969-11-13 Nat Res Dev Gasbrenner
FR2478265A1 (fr) 1980-03-17 1981-09-18 Sdecc Bruleur a premelange d'air et de gaz souffle
DE8605654U1 (de) 1986-03-01 1987-07-02 Ruhrgas Ag, 4300 Essen Brenner für gasförmige Brennstoffe
GB2237104B (en) * 1989-10-20 1993-07-21 Bowin Designs Pty Ltd Gas burner
DE4331231A1 (de) 1993-09-15 1995-03-16 Fev Motorentech Gmbh & Co Kg Verfahren zur Regulierung der Flammengüte eines atmosphärischen Gasbrenners und Gasbrenner zur Durchführung des Verfahrens
DE69812219T2 (de) 1997-05-23 2004-02-05 Worgas Bruciatori S.R.L. Ein zylindrischer Gasbrenner
EP1538395A1 (fr) 2003-12-05 2005-06-08 Riello S.p.a. Tête de brûleur pour un brûleur à prémélange

Also Published As

Publication number Publication date
DE102007048795A1 (de) 2009-04-16
EP2048440A1 (fr) 2009-04-15

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