WO2012104012A1 - Brûleur à flamme plate - Google Patents

Brûleur à flamme plate Download PDF

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Publication number
WO2012104012A1
WO2012104012A1 PCT/EP2012/000122 EP2012000122W WO2012104012A1 WO 2012104012 A1 WO2012104012 A1 WO 2012104012A1 EP 2012000122 W EP2012000122 W EP 2012000122W WO 2012104012 A1 WO2012104012 A1 WO 2012104012A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
combustion air
central axis
sub
air inlet
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.)
Ceased
Application number
PCT/EP2012/000122
Other languages
German (de)
English (en)
Inventor
Wolfgang Adler
Wolfgang Bender
Joachim Wahlbrink
Lars Schröder
Sabine VAN GERSUM
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.)
BFI VDEH Institut fuer Angewandte Forschung GmbH
Elster GmbH
Original Assignee
BFI VDEH Institut fuer Angewandte Forschung GmbH
Elster 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
Priority claimed from EP11000922.2A external-priority patent/EP2458279B1/fr
Application filed by BFI VDEH Institut fuer Angewandte Forschung GmbH, Elster GmbH filed Critical BFI VDEH Institut fuer Angewandte Forschung GmbH
Publication of WO2012104012A1 publication Critical patent/WO2012104012A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
    • 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
    • F23D14/12—Radiant burners
    • F23D14/125—Radiant burners heating a wall surface to incandescence
    • 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
    • F23D2900/00011—Burner with means for propagating the flames along a wall surface

Definitions

  • the invention relates to a flat flame burner with a chamber having a single combustion air inlet opening and an outlet opening, wherein at least a part of the wall of the chamber is bent at least over a circular arc segment and the combustion air inlet opening and an upstream of the combustion air inlet opening adjacent combustion air supply in the region of the curved wall arranged and are aligned so that a combustion air flow entering through the combustion air inlet opening occurs tangentially to the bending of the wall.
  • thermal processing plants For the melting, heating and heat treatment of steel, non-ferrous metals, glass and ceramics as well as other products, thermal processing plants are used. These plants have an oven that is heated by burners. The burners burn in the area of
  • a flat flame burner usually has a centric fuel gas guide.
  • the combustion air is rotated in the so-called burner head (chamber) with swirl internals. Due to the spin and the high rotational speed, the flame is rotationally symmetrical to the burner and lies flat against the burner block and the furnace wall.
  • the heat transfer to the Nutzgut happens mainly by solid state radiation of burner stone and furnace wall and by gas radiation of the flame.
  • DE 10 2004 047 443 B3 discloses a flat flame burner with a chamber extending along a central axis with a combustion air inlet opening and an outlet opening, in which a burner lance extending along the central axis is provided which has an outlet opening from which fuel gas can exit the outlet opening at the
  • Burner lance is arranged, that the flow direction of the effluent from the outlet opening fuel gas has a flow direction which is at an angle of> 0 ° and ⁇ 180 ° to the central axis.
  • the chamber of the flat flame burner has a first sub-chamber, which is referred to in the language of DE 0 2004 047 443 B3 as a chamber. In this first sub-chamber (the chamber) and the combustion air inlet opening is arranged.
  • the diameter, or the extent of the first sub-chamber (the chamber) perpendicular to the central axis remains the same over the extension of the sub-chamber (the chamber) in the direction of the central axis.
  • At least part of the wall of the first sub-chamber (the chamber) is at least one
  • Flat flame burner has a second sub-chamber, which is referred to in the linguistic usage of DE 10 2004 047 443 B3 as a burner stone, to which the first sub-chamber (the chamber) is attached.
  • This second partial chamber (the burner stone) adjoins the first partial chamber in the direction of flow of the combustion air.
  • the outlet opening is arranged, the diameter of the second sub-chamber, or the extent perpendicular to the central axis over the extension of the second sub-chamber from the transition to the first sub-chamber in the direction of the central axis increases toward the outlet opening.
  • the outlet opening on the burner lance is arranged in the second chamber in the flat flame burner described in DE 10 2004 047 443 B3.
  • the schematic representation of the flat flame burner according to DE 10 2004 047 443 B3 in FIG. 1 of DE 10 2004 047 443 B3 shows the outlet opening on the burner lance in a region of the second partial chamber which is closer to the transition to the first partial chamber (to the first partial chamber) in the direction of the central axis Chamber), as to the furnace inside outlet opening of the second
  • Partial chamber (of the burner block).
  • a disadvantage of the arrangements known from the prior art is still a relatively high pollutant load of the reaction product NO x from combustion air and fuel gas.
  • the thermal load of the reaction product NO x from combustion air and fuel gas.
  • the invention has for its object to propose a flat flame burner, which avoids the disadvantages of the prior art.
  • the invention is based on the basic idea of providing the outlet opening as close as possible to the outlet opening.
  • the outlet opening is arranged on the burner lance in a region of the second partial chamber, which is arranged closer to the outlet opening in the direction of the central axis than at the transition to the first partial chamber. This causes that the reaction product of the reaction of combustion air and fuel gas is only slightly contaminated with pollutants, especially low with thermal NO x .
  • the flat flame burner according to the invention has it a chamber extending along a central axis and having a combustion air inlet opening and an outlet opening, a burner lance extending along or parallel to the central axis and having an outlet opening from which fuel gas can exit, the outlet opening being arranged on the burner lance such that the flow direction of the burner lance from the outlet opening effluent fuel gas has a flow direction which is at an angle of> 0 ° and ⁇ 180 ° to the central axis,
  • the chamber has a first sub-chamber, in which the combustion air inlet opening is arranged and whose diameter, or whose extent perpendicular to the central axis over the extension of the sub-chamber in the direction of the central axis remains substantially the same,
  • the chamber has a second sub-chamber, which adjoins in the flow direction of the combustion air to the first sub-chamber, at the end of the outlet opening is arranged and their diameter, or their extent perpendicular to the central axis over the extension of the sub-chamber from the transition to the first sub-chamber increases in the direction of the central axis towards the outlet opening,
  • the outlet opening is arranged on the burner lance in a region of the second sub-chamber which is arranged in the direction of the central axis closer to the outlet opening than at the transition to the first sub-chamber.
  • the outlet openings are arranged at a distance from the transition from the first sub-chamber to the second sub-chamber which is greater than 60%, more preferably greater than 70% and most preferably greater than 80% of the distance from the transition of the first sub-chamber corresponds to the second sub-chamber to the outlet opening.
  • a flat flame burner with a chamber extending along a central axis with a combustion air inlet opening and an outlet opening which has a burner lance extending along or parallel to the central axis with at least two outlet openings, from which fuel gas can emerge, wherein the outlet openings are arranged on the burner lance, that the flow direction of the effluent from the outlet openings fuel gas has a flow direction which is at an angle of> 0 ° and ⁇ 180 ° to the central axis, wherein a along a central axis extending chamber with a combustion air inlet opening and an outlet opening, and a burner lance extending along or parallel to the central axis, which has at least two outlet openings, from which the fuel gas can exit, the outlet openings being provided are arranged on the burner lance such that the flow direction of the outgoing from the outlet openings fuel gas has a flow direction which is at an angle of> 0 ° and ⁇ 180 ° to
  • the chamber has a first sub-chamber, in which the combustion air inlet opening is arranged and whose diameter, or whose extent perpendicular to the central axis over the extension of the sub-chamber in the direction of the central axis remains substantially the same,
  • the chamber has a second sub-chamber, which adjoins in the flow direction of the combustion air to the first sub-chamber at the End of the outlet opening is arranged and whose diameter, or the extent thereof increases perpendicular to the central axis over the extension of the sub-chamber from the transition to the first sub-chamber in the direction of the central axis towards the outlet port,
  • a first outlet opening of the at least two outlet openings is arranged on the burner lance in the second partial chamber
  • a second outlet opening of the at least two outlet openings is arranged on the burner lance in the first partial chamber.
  • the second outlet opening which is arranged on the burner lance in the first sub-chamber, that the burner lance ignites well.
  • one or more outlet openings are arranged on the burner lance in a region of the second compartment disposed closer to the outlet opening in the direction of the center axis than at the transition to the first compartment, thus configured. in that at least 50% of the fuel gas exiting in total from all outlet openings of the burner lance exits from the one outlet opening or the outlet openings which are arranged in a region of the second partial chamber which is arranged closer to the outlet opening in the direction of the central axis than to the transition to the first partial chamber , The remaining part of the fuel gas exits from one or more outlet openings, which are not arranged in a second area of the partial chamber, which is closer to the outlet opening in the direction of the central axis is arranged as at the transition to the first sub-chamber.
  • the fuel gas predominantly emerges from the outlet orifices, which are arranged in a region of the second sub-chamber, which is arranged in the direction of the central axis closer to the outlet opening than at the transition to the first sub-chamber, with respect to the advantages the reduction of
  • an outlet opening on the burner lance is arranged in a region of the first sub-chamber in which the combustion air inlet opening is also arranged.
  • Burner lance provided in the direction of the central axis outlet openings. This allows a simple design of the burner lance and a good mixture formation of combustion air and fuel gas in the chamber of the flat flame burner.
  • a plurality of outlet openings are arranged on the burner lance in an area of the second sub-chamber, which is arranged in the direction of the central axis closer to the outlet opening than at the transition to the first sub-chamber, wherein the outlet openings in an annular manner at least in this area
  • Cross-section round, or elliptically trained burner lance are arranged.
  • outlet openings are arranged in this area of the second sub-chamber, which are arranged annularly on the burner lance, which is round or elliptical in design at least in this area perpendicular to the central axis, and outside this one ring no further outlet openings are arranged in this region of the second sub-chamber.
  • only a single outlet opening on the burner lance is arranged in a region of the first partial chamber, in which the combustion air inlet opening is also arranged.
  • a flat flame burner with a chamber extending along a central axis with a combustion air inlet opening and an outlet opening wherein at least part of the wall of the chamber is bent at least over a circular arc segment and the combustion air inlet opening and a combustion air supply adjacent the combustion air inlet opening are arranged and aligned in the region of the curved wall such that a combustion air flow entering through the combustion air inlet opening enters tangentially to the bend of the wall, wherein the combustion air supply is limited by boundary walls and two boundary walls are formed in this way are that they at the combustion air inlet opening in each case
  • BETA and BETA2 to the perpendicular to the central axis adjacent to the wall of the chamber, wherein BETA and BETA2 are selected such that these two boundary walls extend away from the wall of the chamber from the outlet opening and not to the outlet opening.
  • BETA and BETA2 are chosen such that these two boundary walls extend from the wall of the chambers to the outlet opening.
  • BETA and BETA2 are different, although BETA and BETA2 can also be chosen the same.
  • BETA and BETA2 are less than 75 °, in particular less than 45 °, more preferably less than 30 ° and most preferably less than 15 °.
  • the combustion air can be at least partially bent through a tangential introduction of the combustion air
  • Chamber swirl generation can be effected. In this way, a sufficient swirl can be generated, so that it is possible to dispense with further internals for swirl generation, even if they can be provided in addition to support the swirl generated by the tangential introduction of the combustion air.
  • Burner component is attached.
  • the transition from the first sub-chamber to the second sub-chamber is then formed by the interaction of the opening of the first sub-chamber with the corresponding opening of the further burner component.
  • a burner block can be used. These burner stones are bricks made of refractory material, whose passage opening from the transition to the first partial chamber for Furnace inside out, so towards the outlet opening, extended.
  • the wall of the burner block delimiting the widening opening is regularly hyperbolic in cross section; however, depending on the desired flame guidance, it may have another transition from a small to a large cross section, for example a conical cross section, stepped or partially circular, for example formed as a quarter pitch circle.
  • the flat flame burner can be mounted on any walls of a furnace, such as the side walls or the furnace roof.
  • the transition from the first sub-chamber to the second sub-chamber is not necessarily defined by the transition from an externally applied to another burner element sub-chamber to another fuel assembly.
  • the first sub-chamber is defined by having a diameter, or an extension perpendicular to the central axis over the extension of the first sub-chamber, which remains substantially the same in the direction of the central axis.
  • the second sub-chamber adjoins the first sub-chamber in the flow direction, wherein the diameter of the second sub-chamber, or its extension increases perpendicular to the central axis over the extension of the sub-chamber from the transition to the first sub-chamber in the direction of the central axis to the outlet.
  • the diameter or the extent of the first sub-chamber is perpendicular to the central axis over the entire extent of the sub-chamber in the direction of the central axis constant.
  • the first sub-chamber is cylindrical, or formed with a constant remaining elliptical cross-section.
  • Partial chamber slightly increases or decreases until the transition to the second sub-chamber, why the diameter, or the extent of the first sub-chamber perpendicular to the central axis is defined as substantially constant.
  • the cross-sectional area in the plane perpendicular to the central axis in the first sub-chamber from the furnace distal end of the first sub-chamber to the transition to the second sub-chamber by not more than 20%, particularly preferably not more than 10%, particularly preferably not more than 5% and most preferably not more than 1%.
  • the chamber is bounded by walls.
  • at least a part of the wall, in particular the side wall, of the chamber is designed bent at least over a circular arc segment.
  • the chamber is cylindrical or elliptical with respect to the central axis.
  • the swirl generation caused by the tangential introduction of the burner air is already achieved when parts of the wall surrounding the combustion air inlet opening are bent in order to give their direction of flow (swirl generation) to the burner air introduced there.
  • the burner air is supplied to the combustion air inlet opening by a combustion air supply. Combustion air inlet opening and combustion air supply are arranged and aligned such that the combustion air flow entering through the combustion air inlet opening enters tangentially to the bending of the wall.
  • the flat flame burner according to the invention can have several
  • combustion air inlet openings and their associated combustion air supplies Have combustion air inlet openings and their associated combustion air supplies.
  • the combustion air flow generated in the chamber is then composed of the combustion air streams supplied via the individual combustion air inlet openings. Particularly preferred is the direction perpendicular to the plane of the
  • the flow cross section of the combustion air inlet opening is smaller than the smallest flow cross section of the chamber. This reduces pressure losses.
  • the flow cross section is, in particular, the free cross section which is perpendicular to the main flow direction and thus determines the value of the mean flow velocity.
  • the flow cross section of the combustion air inlet opening is smaller than the largest flow cross section of the chamber.
  • the combustion air supply can be designed so that the velocity profile in the inlet cross-section is largely homogeneous. Cross-sectional jumps and large angles to the taper or extension are preferably avoided.
  • the combustion air supply can be designed to taper towards the combustion air inlet opening. As a result, the flow velocity is increased, whereby the generated swirl is increased.
  • the combustion air supply can be designed such that the combustion air flow entering through the combustion air inlet opening is oriented partially in the direction of the outlet opening.
  • the combustion air inlet opening and combustion air supply are arranged and aligned such that the combustion air flow entering through the combustion air inlet opening flows over the burner lance. This is preferably achieved in that the lower boundary edge of the combustion air inlet opening, viewed in cross section, is arranged above the outer circumference of the burner lance, which is generally guided axially parallel to the central axis.
  • the flat flame burner according to the invention is used at high combustion air temperatures.
  • thermal regenerators are used at high combustion air temperatures.
  • the combustion air can have very high temperatures due to these thermal regenerators.
  • the high temperatures can also be generated in other ways.
  • the regenerative heat recovery can be designed in particular according to the type of regenerator described in DE 199 3 513 C1.
  • DE 199 33 513 C1 expressly refers to the embodiment of a regenerator which is to be provided, and regards this as a disclosure of the regenerator to be used according to the invention.
  • Combustion air is not limited to air, but includes any oxidizer (oxygen supplier) that is used for the oxidation (combustion) of fuel gas. Since in such furnaces, the fuel gas supply and the combustion air supply can be reversed, for example, when using lean gas, in which a significantly higher volume fraction of fuel gas is introduced in relation to the combustion air, the terms combustion air and fuel gas are to be understood with interchangeable meaning, so that Invention also includes such flat flame burner in which does not enter the actual combustion air through a combustion air inlet tangential to the bending of the wall, but actually the fuel gas, which is then (for conceptualization within this text and the claims) referred to as "combustion air", while the actual Oxidator is introduced by other means, for example via a burner lance.
  • the center axis of the chamber is particularly preferably referred to as the axis passing through the centers of the circles in a first sub-chamber with perpendicular to its longitudinal extent circular cross-sections, or passes through the intersections of the two axes of the ellipses of a perpendicular to its longitudinal axis with elliptical cross-sections formed first chamber.
  • Fig. 1 shows the basic structure of a flat flame burner in his
  • Embodiment in a sectional plan view Embodiment in a sectional plan view.
  • the flat-flame burner 1 shown in FIG. 1 has a chamber 2 extending along the central axis A shown in broken lines, with a combustion air inlet opening 3 and a combustion air inlet 4 adjoining the combustion air inlet opening 3 upstream.
  • the flat flame burner 1 also has an outlet opening 12.
  • the flat flame burner has a burner lance 7 extending along the central axis A, which has a plurality of outlet openings 8 from which fuel gas can exit, the outlet openings 8 being arranged on the burner lance 7 such that the flow directions of the fuel gas flowing out of the outlet openings 8 are in the direction of flow which is at an angle of> 0 ° and ⁇ 180 ° to the central axis A.
  • the chamber 2 has a first sub-chamber 13, in which the combustion air inlet opening 3 is arranged and whose diameter remains the same perpendicular to the central axis over the extension of the sub-chamber 13 in the direction of the central axis.
  • the first sub-chamber 13 is partially by a formed on the burner block 6 component, but extends beyond the transition 5 of the patch component to the burner block 6 on away and up to the part of the burner block 6, in which the wall of the passage opening through the burner brick to the furnace interior 9 hyperbolic widens.
  • the chamber 2 has a second sub-chamber 14, which adjoins the first sub-chamber 13 in the flow direction of the combustion air. At the end of the second sub-chamber 14, the outlet opening 12 is arranged.
  • the diameter of the hyperbolically expanding second partial chamber 14 towards the interior of the oven increases perpendicularly to the central axis A over the extent of the partial chamber 14 from the transition to the first partial chamber 13 in the direction of
  • the outlet openings 8 on the burner lance are arranged both in the second partial chamber 14 and in the first partial chamber 13.
  • the second sub-chamber 14 has in the direction of the central axis A a total extension H.
  • the outlet openings 8 on the burner lance in the second chamber 14 are arranged in a region of the second sub-chamber 14, which is closer to the center axis in the outlet opening 12 than at the transition to first sub-chamber 13 is arranged.
  • the length L shown in FIG. 1 is greater than 0.5 ⁇ H.
  • Burner lance 7 is arranged, which are arranged in a ring-shaped on the at least in this area in the selected perpendicular to the central axis A cross-section burner lance 7. Outside the annularly arranged outlet openings 8, no further outlet openings for fuel gas are provided in this area of the second partial chamber 14.
  • a plurality of outlet openings 8 are arranged on the burner lance 7 in such a way that the outlet openings 8 are annularly arranged on the at least in this area in cross-section round burner lance 7.
  • combustion air is introduced via the combustion air supply 4 in the chamber 2 and twisted there. The combustion air flowing in the swirl enters the passage of the burner block 6 via the transition 5.
  • the fuel gas is first mixed with the sucked furnace atmosphere in the passage opening through the burner block 6 and this mixture is then mixed with the flowing combustion air in the swirl.
  • the fuel gas is mixed directly with the combustion air flowing in the swirl.
  • the mixture of combustion air and fuel gas or combustion air, fuel gas and sucked furnace atmosphere is ignited. Due to the flow conditions predetermined by the swirl flow of the combustion air, the flame flows in the direction of the arrows C along the furnace wall 10. In this way, the flame uniformly heats the burner brick and the surrounding furnace wall.
  • the heat transfer to the arranged in the furnace utility happens mainly by solid state radiation from the burner block and the furnace wall and by gas radiation of the flame.
  • the chamber 2 of the flat-flame burner 1 is designed to be symmetrical and circular about a central axis A.
  • the combustion air inlet opening 3 and the combustion air inlet 4 adjoining the combustion air inlet opening upstream are arranged and aligned in such a way that a combustion air flow entering through the combustion air inlet opening 3 enters tangentially to the bending of the wall of the chamber 2.
  • the combustion air supply 4 is designed to be tapered towards the combustion air inlet opening 3.
  • FIG. 3 the burner lance 7 and a part of the first sub-chamber 13, namely the component which is placed on the burner block 6, are shown.
  • the combustion air supply 4 is limited by boundary walls 16, 17.
  • the boundary walls 16, 17 are formed such that they adjoin the combustion air inlet opening 3 in each case an angle ß and ß2 to a parallel to the central axis of the wall of the chamber 2.
  • ß and ß2 are chosen such that these two boundary walls 16 and 17, starting from the wall of the chamber of the outlet opening 12 away and not to the outlet opening 12 to extend.
  • the angle ⁇ of the representation in FIG. 3 is greater than the angle ⁇ 2, so that the combustion air flow is aligned partially in the direction of the outlet opening 5.
  • the combustion air supply 4 is further limited by further boundary walls, which are contemplated at an angle ALPHA and ALPHA2 to the perpendicular to the central axis A.
  • the boundary wall closer to the central axis adjoins the wall of the chamber 2 at a distance e from the central axis.
  • the combustion air inlet opening has a width d1.
  • the combustion air inlet opening 3 is designed such that its lower boundary edge 11 is arranged at the same height or above the outer circumference 15 of the burner lance 7. Thus, the combustion air flow entering through the combustion air inlet opening flows via the combustion lance guided through the chamber.
  • ⁇ and ⁇ 2 are selected such that these two boundary walls 16 and 17 extend from the walls of the chamber to the outlet opening 12.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Abstract

L'invention concerne un brûleur à flamme plate (1) comportant une chambre (2) s'étendant le long d'un axe central (A), pourvue d'une ouverture d'entrée d'air de combustion (3) et d'une ouverture de sortie, et une lance de brûleur (7) s'étendant le long ou parallèlement à l'axe central (A), pourvue d'une ouverture de sortie (8) par laquelle le gaz de combustion peut sortir. La chambre présente une première chambre partielle (13) dans laquelle l'ouverture d'entrée d'air de combustion est également disposée et dont le diamètre ou son extension perpendiculairement à l'axe central reste essentiellement constant sur l'extension de la chambre partielle (13) en direction de l'axe central. L'ouverture d'entrée d'air de combustion et une alimentation en air de combustion (4) adjacente à l'ouverture d'entrée d'air de combustion sont disposées et orientées de telle manière au niveau de la paroi de la première chambre partielle qu'un flux d'air de combustion entrant par l'ouverture d'entrée d'air de combustion entre de façon tangente par rapport à la courbure de la paroi. La chambre présente une deuxième chambre partielle (14) se joignant à la première chambre partielle dans le sens d'écoulement de l'air de combustion, dont l'extrémité comporte l'ouverture de sortie et dont le diamètre ou son extension perpendiculairement à l'axe central augmente sur l'extension de la chambre partielle (14) de la transition vers la première chambre partielle jusqu'à l'ouverture de sortie, en direction de l'axe central. L'ouverture de sortie est disposée sur la lance de brûleur dans la deuxième chambre partielle plus proche de l'ouverture de sortie que de la transition vers la première chambre partielle en direction de l'axe central.
PCT/EP2012/000122 2011-02-04 2012-01-12 Brûleur à flamme plate Ceased WO2012104012A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11000922.2 2011-02-04
EP11000922.2A EP2458279B1 (fr) 2010-11-11 2011-02-04 Brûleur à flammes en nappe

Publications (1)

Publication Number Publication Date
WO2012104012A1 true WO2012104012A1 (fr) 2012-08-09

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PCT/EP2012/000122 Ceased WO2012104012A1 (fr) 2011-02-04 2012-01-12 Brûleur à flamme plate
PCT/EP2012/000121 Ceased WO2012119675A1 (fr) 2011-02-04 2012-01-12 Brûleur à flamme plate

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US3836315A (en) 1971-10-14 1974-09-17 Pyronics Inc Burner apparatus for flame propagation control
US3942939A (en) 1970-05-06 1976-03-09 Osaka Gas Kabushiki Kaisha Flat flame burner
DE2839460A1 (de) 1977-09-12 1979-03-22 Shell Int Research Strahlungsbrenner fuer gasfoermigen brennstoff
DE2854395A1 (de) 1978-12-16 1980-07-03 Vnii Metall Teplotechniki Flachflammengasbrenner
US4220444A (en) 1978-02-27 1980-09-02 John Zink Company Gas burner for flame adherence to tile surface
US4487573A (en) 1980-02-20 1984-12-11 Selas Corporation Of America Burner
EP0645583A1 (fr) * 1993-09-22 1995-03-29 KRAFT-INDUSTRIEWARMETECHNIK DR. RICKE GmbH Brûleur à gaz
DE19933513C1 (de) 1999-07-16 2001-06-21 Bfi Betr Sforschungsinstitut V Regenerator zur Wärmerückgewinnung
DE102004047443B3 (de) 2004-09-28 2006-03-23 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Flachflammenbrenner

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Publication number Priority date Publication date Assignee Title
SU343111A1 (ru) 1970-09-25 1972-06-22 А. И. Ващенко, М. И. Топтыгин, А. И. Либерман, Г. П. Денисов, В. Г. Скудин , В. Л. Гусовский Радиационная газовая горелка

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US3942939A (en) 1970-05-06 1976-03-09 Osaka Gas Kabushiki Kaisha Flat flame burner
US3748087A (en) 1971-10-14 1973-07-24 Pyronics Inc Burner apparatus and method for flame propagation control
US3836315A (en) 1971-10-14 1974-09-17 Pyronics Inc Burner apparatus for flame propagation control
DE2839460A1 (de) 1977-09-12 1979-03-22 Shell Int Research Strahlungsbrenner fuer gasfoermigen brennstoff
US4220444A (en) 1978-02-27 1980-09-02 John Zink Company Gas burner for flame adherence to tile surface
DE2854395A1 (de) 1978-12-16 1980-07-03 Vnii Metall Teplotechniki Flachflammengasbrenner
US4487573A (en) 1980-02-20 1984-12-11 Selas Corporation Of America Burner
EP0645583A1 (fr) * 1993-09-22 1995-03-29 KRAFT-INDUSTRIEWARMETECHNIK DR. RICKE GmbH Brûleur à gaz
DE19933513C1 (de) 1999-07-16 2001-06-21 Bfi Betr Sforschungsinstitut V Regenerator zur Wärmerückgewinnung
DE102004047443B3 (de) 2004-09-28 2006-03-23 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Flachflammenbrenner

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