EP2856027B1 - Procédé de combustion totale et à bruit réduit d'un mélange combustible-air, et brûleur correspondant - Google Patents

Procédé de combustion totale et à bruit réduit d'un mélange combustible-air, et brûleur correspondant Download PDF

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Publication number
EP2856027B1
EP2856027B1 EP13722468.9A EP13722468A EP2856027B1 EP 2856027 B1 EP2856027 B1 EP 2856027B1 EP 13722468 A EP13722468 A EP 13722468A EP 2856027 B1 EP2856027 B1 EP 2856027B1
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EP
European Patent Office
Prior art keywords
flame
burner
fabric diaphragm
holes
flashback barrier
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Application number
EP13722468.9A
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German (de)
English (en)
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EP2856027A2 (fr
Inventor
Daniel Dreizler
Ulrich Dreizler
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Individual
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    • 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
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • 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
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82—Preventing flashback or blowback
    • 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
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/105—Porous plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/106—Assemblies of different layers
    • 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 method for complete and noise-reduced combustion of a fuel-air mixture and a burner with a surface combustion.
  • tissue membrane which consists of a sintered porous membrane fiber plate.
  • This tissue membrane has a regular hole pattern on transverse holes occupying a passage opening of the membrane of 5 to 35% of the entire surface of the membrane.
  • Such a membrane is arranged on an outlet side of a housing of the burner, wherein the funnel-shaped transverse stub holes are arranged with the funnel side on a burner side. Also upstream of the burner side, a mixture distribution plane is arranged at a distance from the tissue membrane, which has through holes.
  • the fuel-air mixture fed into the housing via a supply line flows through the through-bores of the mixture distribution plane and flows out via the transverse holes of the tissue membrane to the exit side to form a flame field.
  • the regular arrangement of the transverse holes in the tissue membrane to the advantage of uniform emergence of the fuel-air mixture over the entire tissue membrane is achieved with only a slight pressure drop, but the risk of the occurrence of resonances in the gas stream is given, resulting in unpleasant whistling. Therefore, according to the FIGS. 8 and 9 proposed to introduce a wire mesh between the mixture distribution plane and the tissue membrane to reduce the occurrence of these whistling noises.
  • the invention has for its object to provide a method for combustion of a fuel-air mixture and a burner, whereby a complete combustion at a high surface load and a noise reduction and a reduced emission is possible.
  • the tissue screen pitch and flame arrestor grid are positioned to each other such that the flashback barrier and / or the tissue membrane is rotated from an aligned position to a twisted configuration be reversed to each other.
  • the twist is equal to 0 ° or the displacement includes a zero path.
  • an increased surface load than previously was the case can be achieved that is, an increase in performance over previous burner outputs, for example, from 4 to 6 MW / m 2 now 16 to 20 MW / m 2 can be achieved.
  • Such an arrangement further allows due to the free passage space between the mixture distribution level and the tissue membrane a noise-reduced combustion and stable individual flames, which resonances are reduced.
  • the mesh grid of the tissue membrane and the grid of flame arrester or tissue membrane or both can be positioned in a twisted arrangement.
  • the twisted assembly preferably includes at least one aligned through hole of the flame arrester to a through hole of the fabric membrane, the further through holes and through holes having a staggered position to each other.
  • At least one so-called flame nest can be created, that is to say that the individual flames within a flame matrix of the flame nest are not all aligned parallel to one another and extend at right angles from the surface of the fabric membrane into a burner space, but at least one central flame Main flame is directed as a single flame vertically into the burner chamber and these are provided surrounding a plurality of individual flames, which incline at a deflection angle to the main flame of this.
  • a larger inclination of the individual flames due to a larger disturbance of the flow path, which is achieved by an enlarged offset between the through hole and the through hole associated through hole. This can be a detuning to reduce the resonances occurring, whereby the noise reduction is achieved in the surface combustion.
  • An advantageous embodiment of the method provides that, starting from an aligned arrangement of the hole pattern of the through holes of the tissue membrane and the Lochrast réelle the flame arrester by twisting and / or shifting the perforated grid of the tissue membrane and the Lochrast réelle the flame arrester in the aligned position or twisted arrangement are transferred to each other.
  • one or more flame nests can be formed as a function of the rotation or the angle of rotation.
  • a longitudinal central axis of the tissue membrane is aligned congruently with a longitudinal central axis of the non-return barrier such that the perforated grid of the flame arrester and the grid of holes of the tissue membrane are aligned with each other and the rotation of the tissue membrane or the flame arrester or both about the longitudinal center axis occurs.
  • a controlled rotation for the targeted formation of at least one flame nest can be achieved.
  • the number of flame nests is increased by an increasing rotation of the tissue membrane to the flame arrester to each other and reduced an area of the respective flame nest.
  • the emerging in the tissue membrane outlet noise can be further reduced, the flame matrix is maintained approximately upright.
  • the tissue membrane and the flame arrester are preferably adjusted to one another with a twist angle of less than 15 °, in particular less than 10 °. Such small rotations suffice to achieve a noise reduction.
  • Another parameter for improving the noise reduction is achieved by the setting or the predetermination of the distance between the tissue membrane and the flame arrester, which are preferably arranged at a distance between 1 and 10 mm, in particular 5 to 7 mm.
  • This distance is preferably variably adjustable and can be selected as a function of the supply of the fuel-air mixture and the selection of the fuel-air mixture and in dependence on the number and / or size of the through holes or through-bore in the tissue membrane and / or the flashback become.
  • the object underlying the invention is further achieved by a burner with a surface combustion according to the features of claim 8.
  • a twisted arrangement of the fabric membrane and / or the flame arrester may be provided within its extension plane in the housing of the burner by a twist angle.
  • a slight twist of the tissue membrane is understood to flame retardation or vice versa, so that at least the aligned arrangement of Lochrasterept is at least left slightly.
  • a noise reduction can also be achieved by such a positioning, whereby the above-described advantages of the substantially higher surface loading are maintained.
  • a preferred embodiment of the burner provides that the hole spacing of the through holes of the flame arrestor is half as large as the hole spacing of the through holes of the tissue membrane.
  • the hole diameter of the through holes in the fabric membrane and the hole diameter of the through holes in the flame arrestor are preferably equal to or in a range of +/- 20% to each other. As a result, a particularly good passage behavior of the fuel-air mixture from the flame arrestor through the tissue membrane can be made possible for the formation of large individual flames. Particularly preferably, the hole diameters of the flame arrester are larger than those of the tissue membrane.
  • the matrix of the through-hole in the flame arrester and / or the matrix of the through-holes of the fabric membrane are formed as two-dimensional Bravais grids.
  • These two-dimensional Bravais lattices may be formed as skewed lattices as well as square, rectangular, hexagonal and centered rectangular lattices, the latter being the only one not primitive.
  • a preferred embodiment of the burner provides that the through holes of the fabric membrane have a hole spacing of 2 to 10 mm and a hole diameter of the through hole of 1 to 3 mm have and the through holes of the flame arrester have a hole spacing of 1.5 to 5 mm and a hole diameter of 0.8 to 3.6 mm. These perforations enable a particularly high surface load with a high noise reduction.
  • the burner may have a twisting device between the fabric membrane and the flame arrester, or the fabric membrane and / or the flashback are received by a twisting device, whereby a twist angle of the perforated grid of the fabric membrane and the flame arrester is adjustable.
  • the twisting device is designed such that the tissue membrane and the flame arrester are arranged congruent with respect to their longitudinal central axes and the tissue membrane and / or the flame arrester are rotatable about the respective longitudinal central axis. As a result, a targeted detuning of the resonance frequencies and the formation of flame nests can be achieved.
  • Such twisting devices may preferably be provided in flat burners with a round, square, rectangular or polygonal tissue membrane and / or flame arrester.
  • the tissue membrane or the flame arrester may be provided with a twisted arrangement of the tissue membrane or flame arrester, or both, through the edge trims outside the grid, thereby providing a twisted arrangement of the tissue membrane for flame arrestor given is.
  • edge trimming can also be done on site to take into account the other parameters of the burner design and / or the burner air mixture in the noise reduction.
  • the tissue membrane and / or the flame arrester or both may be fastened to each other twisted in the housing of the burner. This represents, starting from an initially aligned arrangement of the hole patterns a simple setting.
  • a further alternative embodiment of the burner provides that in a strip burner with a strip-shaped tissue membrane and a strip-shaped flame arrester by a one-dimensional displacement of the hole grid along the longitudinal axis of the housing strip burner noise reduction is adjustable. By such a shift, which may also be two-dimensional, a noise reduction to the twisted arrangement is made possible analogously.
  • the aligned or twisted arrangement of the perforated grid of the tissue membrane and the flame arrester to each other can be provided both in flat burners, cylinder burners and ingot burners.
  • FIG. 1 schematically a burner 11 is shown with a burner head 12.
  • This comprises a housing 14, which receives a tissue membrane 16 on its outlet side.
  • a flame arrester 17 is arranged in the housing 14 at a distance from the tissue membrane 16.
  • an air supply line 23 the supply of air.
  • the fuel-air mixture generated by the fan 19 is supplied via the supply line 18 to the burner head 12 so that it flows through the flame arrestor 17 and formed between the flame arrestor 17 and the tissue membrane 16 flow space 26 and after emerging from the tissue membrane 16 forms a flame matrix 27 on the burner side.
  • This flame matrix 27 comprises individual flames 28 and holding flames 29 arranged between them, the individual flames 28 protruding from the holding flame 29.
  • the flame matrix 27 has For example, in a furnace of a boiler. In this case, the burner can be operated on gas appliances in accordance with EN 676 "Gas fan burners", and operation in accordance with EN 746-2 on thermal processing plants is also possible in the industrial and commercial sectors.
  • FIG. 2 is a schematic view of the tissue membrane 16 of the burner head 12 according to FIG. 1 shown.
  • This tissue membrane 16 has at the edge holes 31, which serve as mounting holes on the burner head 12 and housing 14.
  • the tissue membrane 16 also has a plurality of through holes 32 which include a grid of holes and allow passage of the fuel-air mixture.
  • the structure of such a membrane goes out of the DE 10 2010 051 415.2 which is fully incorporated by reference and is the subject of this application.
  • This burner tissue or tissue membrane 16 enable a combustion process, which in the DE 10 2010 051 414.4 which is also incorporated by reference in its entirety and is the subject of this application.
  • the tissue membrane 16 comprises a perforated grid in which the individual through-holes are spaced apart on a surface of, for example, 200 ⁇ 200 mm with, for example, a hole spacing of between 4 and 10 mm.
  • the hole diameters of the through holes 32 are, for example, 0.5 to 3 mm.
  • FIG. 3 is a schematically enlarged view of the tissue membrane 16 and its associated flame arrester 17 in the burner head 12 according to FIG. 1 shown.
  • FIG. 4 shows a plan view FIG. 3 ,
  • the flame arrester 17 comprises a perforated grid with through-holes 33, which preferably have half the distance between the through-holes of the fabric membrane 16, so that they comprise a distance of 1.5 to 5 mm.
  • the same hole diameter of the through hole 39 is provided as with the through holes 32 or with a deviation in a range of +/- 20%.
  • the perforations of the fabric membrane 16 and the flame arrester 17 are aligned with each other, that is, maximum coverage of the through holes 32 and through-holes 33 is provided.
  • each second through-hole 33 along the lines L1, L2, L3, etc. and every other through-hole 33 along the lines Z1, Z2, Z3, etc. form a straight passage between the through-hole 33 and the through-hole 32.
  • a rectangular-centered, two-dimensional Bravais grid is formed.
  • the intermediate through hole 33 - ie every second through hole 33 - is covered by a surface portion of the fabric membrane 16.
  • a free jet 35 for the holding flame 29 blowing on the tissue membrane 16 is formed.
  • a continuous free jet 34 forming the individual flame 28 Adjacent to this, a continuous free jet 34 forming the individual flame 28 is formed.
  • a flame matrix 27, as in FIG. 3 is shown schematically, formed by the aligned through holes 33 and through holes 32 because of the continuous free jets 34, the single flame 28 and the concealed through holes 33 because of the blowing free jets 35, the holding flame 29 is supported.
  • This is achieved in particular by the porosity of the tissue membrane 16 and causes a cooling of the flame root of the individual flames 28 and a cooling of the burner surface of the tissue membrane 16. This allows a high surface load.
  • a noise reduction and reduction of CO and NO x emissions can be achieved by this ordered flame matrix 27.
  • Another parameter for adjusting this flame matrix 27 may be the distance between the tissue membrane 16 and the flame arrestor 17.
  • a distance in the above-described Lochrasttation from 2 to 10 mm, in particular 5 to 7 mm, given.
  • the free flow space 26 is formed, that is, no further materials or the flow obstructing objects or objects are provided thereon, so that the flows formed by the through hole 33 of the flame arrestor 17 undisturbed incident on the fabric material 16 or can pass through the aligned through holes 23 therethrough.
  • the pitch pattern of the tissue membrane 16 and the pitch of the flame arrester 17 may be formed identically.
  • the through holes 32 and through holes 33 are arranged in alignment with each other.
  • FIG. 5 For example, an alternative embodiment of a matrix is illustrated by the through-holes 32 of the tissue membrane 16 and the through-holes 33 of the flame arrester 17.
  • This matrix is designed as a two-dimensional hexagonal Bravais lattice.
  • each second through-hole 32 of the fabric membrane 36 is congruent with the through-hole 32 of the flame arrester 17.
  • the pitch of the lines Z1, Z2, Z3 is twice as large relative to the lines L1, L2, L3.
  • FIG. 6 an arrangement of the tissue membrane 16 and the flame arrester 17 is shown, as far as a further noise reduction is required.
  • a rotation of the perforated grid of the tissue membrane 16 and the perforated grid of the flashback catch 17 from the aligned alignment or a twisted positioning takes place to each other.
  • This twisted arrangement or positioning is to be understood in that the flame arrester 17 and the fabric membrane 16 initially maintained the same distance and also remain aligned in parallel.
  • the rotation takes place about a perpendicular to the plane of extension of the tissue membrane or the flame arrester aligned axis, in particular the longitudinal central axis, or in that a Displacement in the X and / or Y direction of the plane of extension of the tissue membrane 16 and / or the flame arrester 17 takes place.
  • the tissue membrane 16 about its longitudinal central axis 38, which is congruent with the longitudinal center axis 39 of the flame arrester 17, for example, rotated by 1 °. Due to the rotation of the perforated rasters to each other, the hole pattern shown results in the plan view, wherein the upper membrane 16 is shown transparent to illustrate the effect.
  • the through-holes 33 With the center near the longitudinal center axes 36, 37, there is provided an alignment of the through-holes 33 with the through-holes 32, but with further radially outward traveling, the offset between the through-holes 33 to the through-holes 32 becomes larger.
  • Such an illustrated arrangement of the through holes 33 to the through holes 32 is referred to as a flame nest 40, wherein in the core at least one aligned through hole 33 and through hole 32 and outwardly offset from each other through holes 33 and through holes 32 are provided. This results in a flame matrix 27 according to FIG FIG. 7 ,
  • the free-jet effect is undisturbed as a fuel-air mixture, so that a free-jet vector 41 can emerge unhindered in the exit direction and corresponds to the resulting vector 43.
  • an interfering vector 42 overlaps the free jet vector 41 so that a resulting vector 43 is formed and the individual flame 28 with respect to the longitudinal central axis 38 , 39 is inclined at an angle ⁇ 1 .
  • the spurious vector 42 becomes larger, so that the resulting vector 43 is aligned at a larger angle ⁇ 1 , ⁇ 2 , ⁇ 3 to the longitudinal central axis 38, 39 and at the same time Free jet vector 41 is reduced.
  • the same or similar frequencies and resulting interference are reduced in a plurality of through holes 32 with the same or very similar exit noise.
  • FIG. 8 Further noise reduction can be achieved by further twisting the tissue membrane 16 to the flashback barrier 17, for example 4 °, as shown in FIG FIG. 8 is shown.
  • FIG. 8 In a plan view of the fabric membrane 16 and the flame arrester 17 it can be seen that at this angle of rotation of 4 ° seven flame nests 40 and in the corner regions have formed four half flame nests.
  • FIG. 9 is a side view too FIG. 8 shown.
  • a disturbance in the adjacent areas of the flame nests 40 achieved, which in turn lead to a further detuning and thus by changing the frequency of the exit noise to a resonance reduction.
  • FIG. 10 In a further rotation of the tissue membrane 16 and the flame arrester 17 to each other, for example, 8 °, the view results FIG. 10 , from which it can be seen that at least a doubling or a tripling of the flame nests 40 opposite FIG. 8 was achieved.
  • tissue membrane 16 against the non-return 17th or the flashback 17 are rotated relative to the tissue membrane 16 or both relative to each other in relation.
  • FIG. 11 a is a schematic view of a strip-shaped tissue membrane and in FIG. 11b a side view of the strip-shaped tissue membrane according to FIG. 11a and a corresponding flashback barrier is shown.
  • tissue membrane 16 and flame arrester 17 are used for example in a inguinal burner, whose length comprises a multiple of the width. In such ingot burners a single-row hole patterning of the through holes 32 and corresponding through holes 33 is provided. Such a case is shown.
  • a flush arrangement of the perforations in analogy to the Figures 3 and 4 results in an arrangement according to FIG. 11b , for example, the line Z1 in FIG. 4 corresponds, so that reference is made.
  • a two- or three-row perforation grid is provided in the case of tissue membranes 16 and flame arrester blocks 17, an arrangement according to rows Z1, Z2 and Z3 in FIG FIG. 4 Be referred.
  • Such an arrangement can also in a single-row grid according to FIG. 11a be provided.
  • a reduction of the noise can also be achieved by an at least slight offset of the perforation pattern of the tissue membrane 16 for perforating the flashback barrier 17 by a longitudinal displacement along the longitudinal axis of the strip-shaped strip burner or the longitudinal axis of the tissue membrane 16 and the flashback barrier 17. This can be done by means of the shift in one Spacing the same direction as done by a rotation, so that under the twist both a one-dimensional displacement and a two-dimensional displacement or rotation about a longitudinal axis of the tissue membrane 16 and / or flame arrester 17 is to be understood.

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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 (12)

  1. Procédé permettant la combustion complète et à bruit réduit d'un mélange air-combustible, avec un brûleur (11) qui présente en amont d'un côté brûleur, dans un carter (14), un conduit d'amenée (18) pour le mélange air-combustible et qui reçoit, en aval d'un côté sortie du carter (14), une membrane de tissu (16) et qui présente, en amont de la membrane de tissu (16), un dispositif anti-retour de flamme (17), la membrane de tissu (16) présentant des trous de passage (32) qui sont disposés les uns par rapport aux autres pour former un agencement de trous et qui présentent des espacements réguliers dans un plan d'extension de la membrane de tissu (16), au moins dans une direction x ou une direction y et le dispositif anti-retour de flamme (17) présentant des trous traversants (33) qui sont disposés les uns par rapport aux autres pour former un agencement de trous et qui présentent des espacements réguliers dans un plan d'extension dans au moins une direction x ou une direction y et le dispositif anti-retour de flamme (17) étant positionné à une distance donnée, en amont de la membrane de tissu (16) et un espace de passage libre (26) étant formé, caractérisé en ce que l'agencement de trous de la membrane de tissu (16) et l'agencement de trous du dispositif anti-retour de flamme (17) passent, afin de former une matrice de flammes (27) constituée de flammes individuelles (28) et de flammes de maintien (29) en aval de la membrane de tissu (16), d'une position d'alignement à une disposition dans laquelle ledit agencement de trous de la membrane de tissu (16) et ledit agencement de trous du dispositif anti-retour de flamme (17) sont décalés l'un par rapport à l'autre, ou inversement.
  2. Procédé selon la revendication 1, caractérisé en ce que l'agencement de trous de la membrane de tissu (16) et l'agencement de trous du dispositif anti-retour de flamme (17) sont mis dans la position d'alignement ou dans la position décalée l'un par rapport à l'autre par une rotation et/ou un déplacement du dispositif anti-retour de flamme (17) et/ou de la membrane de tissu (16).
  3. Procédé selon la revendication 1, caractérisé en ce qu'un axe central longitudinal (38) de la membrane de tissu (16) et un axe central longitudinal (39) du dispositif anti-retour de flamme (17) sont disposés de manière à coïncider et en ce que la membrane de tissu (16) ou le dispositif anti-retour de flamme ou les deux conjointement sont déplacés angulairement autour de l'axe central longitudinal (38, 39) pour former au moins un foyer de flammes (40).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que plus le déplacement angulaire de la membrane de tissu (16) par rapport au dispositif anti-retour de flamme (17) est important et plus le nombre des foyers de flammes (40) s'accroît et plus la surface de chaque foyer de flammes (40) diminue.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la membrane de tissu (16) est déplacé angulairement par rapport au dispositif anti-retour de flamme (17) selon un angle de décalage inférieur à 15°, en particulier inférieur à 10°.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, partant de la disposition identique des agencements des trous de la membrane de tissu (16) et du dispositif anti-retour de flamme (17), une rotation de la membrane de tissu (16) selon un angle de décalage de 1° par rapport au dispositif anti-retour de flamme, en particulier dans le cas d'un agencement de trous occupant une surface de 200 x 200 mm, donne naissance à un seul et unique foyer de flammes (40) et, de préférence une rotation selon un angle de décalage de 4° donne naissance à sept foyers de flammes entiers (40) et à quatre demi-foyers de flammes (40).
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'écart choisi entre la membrane de tissu (16) et le dispositif anti-retour de flamme (17) est compris entre 1 mm et 10 mm, en particulier entre 3 mm et 7 mm.
  8. Brûleur à combustion superficielle comprenant une tête de brûleur (12) avec un carter (14) qui présente, en amont d'un côté brûleur, un conduit d'amenée (18) menant vers un mélange air-combustible et, en aval d'un côté sortie du carter (14), une membrane de tissu (16), réalisée de forme poreuse, qui laisse passer le mélange air-combustible et qui présente en outre des trous de passage (32) qui s'étendent depuis le côté amenée vers le côté brûleur, les trous de passage (32) étant disposés selon un agencement de trous disposés selon un espacement régulier les uns par rapport aux autres dans un plan d'extension, dans au moins une direction x et une direction y, avec un dispositif anti-retour de flamme (17) qui est disposé dans le carter (14) en amont de la membrane de tissu (16) et qui présente des trous traversants (33), les trous traversants (33) étant disposés selon un agencement de trous qui présentent, dans un plan d'extension dans au moins une direction x ou une direction y, des espacements réguliers les uns par rapport aux autres, caractérisé en ce que le dispositif anti-retour de flamme (17) avec ses trous traversants (33) et la membrane de tissu (16) avec ses trous de passage (32) sont orientés l'un par rapport à l'autre de manière à se trouver en alignement ou de manière décalée à l'intérieur de leur plan d'extension,
    - dans le cas d'un brûleur à bec plat équipé d'une membrane de tissu (16) carrée, rectangulaire ou polygonale, une disposition décalée de la membrane de tissu (16) ou du dispositif anti-retour de flamme (17) ou de ces deux éléments l'un par rapport à l'autre étant prévue de par la découpe de leur bord respectif réalisée à l'extérieur de l'agencement de trous, grâce à quoi l'agencement de trous peut être positionné de manière décalée par rapport au carter (14), et ce conformément au nombre de degrés prédéfini, ou
    - dans le cas d'un brûleur à bec plat équipé d'une membrane de tissu (16) ronde ou d'un dispositif anti-retour de flamme (17) rond ou des deux à la fois, il est possible de régler un décalage des agencements de trous l'un par rapport à l'autre par une orientation décalée desdits éléments l'un par rapport à l'autre, ou
    - dans le cas d'un brûleur en barre équipé d'une membrane de tissu (16) en forme de bande et d'un dispositif anti-retour de flamme (17) en forme de bande, une réduction de bruit pouvant être réglée en effectuant un déplacement le long de l'axe longitudinal du carter du brûleur en barre,
    et
    - en ce qu'un espace de passage libre (26) pour le mélange air-combustible est prévu entre la membrane de tissu (16) et le dispositif anti-retour de flamme (17).
  9. Brûleur selon la revendication 8, caractérisé en ce que l'espacement des trous traversants (33) du dispositif anti-retour de flamme (17) est moitié moins grand que l'espacement des trous de passage (32) de la membrane de tissu (16).
  10. Brûleur selon la revendication 8 ou 9, caractérisé en ce que le diamètre des trous de passage (32) de la membrane de tissu (16) correspond au diamètre des trous traversants (33) du dispositif anti-retour de flamme (17) ou en ce que la différence de diamètre est de l'ordre de +/- 20 %.
  11. Brûleur selon l'une quelconque des revendications 8 à 10, caractérisé en ce qu'une matrice des trous traversants (33) du dispositif anti-retour de flamme (12) et des trous de passage (32) de la membrane de tissu (16) est formée selon un réseau de Bravais bidimensionnel.
  12. Brûleur selon l'une quelconque des revendications 8 à 11, caractérisé en ce que les trous de passage (32) de la membrane de tissu (16) présentent un espacement de trou de 2 à 10 mm et un diamètre de trou de 1,5 à 3 mm et les trous traversants (33) du dispositif anti-retour de flamme (17) présentent un espacement de trou de 1,5 à 5 mm et un diamètre de trou de 0,8 à 3,6 mm.
EP13722468.9A 2012-06-01 2013-05-15 Procédé de combustion totale et à bruit réduit d'un mélange combustible-air, et brûleur correspondant Active EP2856027B1 (fr)

Applications Claiming Priority (2)

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DE102012104741A DE102012104741A1 (de) 2012-06-01 2012-06-01 Verfahren zur vollständigen und geräuschreduzierten Verbrennung eines Brennstoff-Luft-Gemisches sowie Brenner hierzu
PCT/EP2013/060032 WO2013178465A2 (fr) 2012-06-01 2013-05-15 Procédé de combustion totale et à bruit réduit d'un mélange combustible-air, et brûleur correspondant

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EP2856027A2 EP2856027A2 (fr) 2015-04-08
EP2856027B1 true EP2856027B1 (fr) 2016-07-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023057937A1 (fr) * 2021-10-07 2023-04-13 Polidoro S.P.A. Brûleur à prémélange

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014101097U1 (de) * 2014-03-11 2015-06-12 Ulrich Dreizler Brenner mit einer Oberflächenverbrennung
PT109048A (pt) * 2015-12-22 2017-06-22 Bosch Termotecnologia Sa Dispositivo de queimador
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
DE102021121764A1 (de) * 2021-08-23 2023-02-23 Viessmann Climate Solutions Se Gasbrennervorrichtung

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063803A5 (fr) * 1969-10-31 1971-07-09 Gaz De France
JPS6374925U (fr) * 1986-11-05 1988-05-18
SE468876B (sv) * 1991-07-08 1993-04-05 Staalhane Henrik Anordning vid gaseldad grill
ATE174681T1 (de) * 1992-03-03 1999-01-15 Bekaert Sa Nv Poröse metallfiber-platte
BE1007596A3 (nl) * 1993-10-08 1995-08-16 Bekaert Sa Nv Poreuze metaalvezelplaat.
DE69503581T2 (de) * 1994-08-26 1999-01-14 Caradon Ideal Ltd Gasbrenner
DE19724806A1 (de) * 1996-06-11 1997-12-18 Vaillant Joh Gmbh & Co Vollvormischender atmosphärischer Strahlungsbrenner
JPH109523A (ja) * 1996-06-25 1998-01-16 Matsushita Electric Ind Co Ltd 燃焼装置
JPH109522A (ja) * 1996-06-25 1998-01-16 Matsushita Electric Ind Co Ltd 燃焼装置
DE19825047A1 (de) * 1997-06-09 1998-12-10 Vaillant Joh Gmbh & Co Flächenbrenner
FR2835042B1 (fr) * 2002-01-22 2004-12-17 Mer Joseph Le Bruleur a gaz, a face de combustion bipartite et chaudiere equipee d'un tel bruleur
EP1779038B1 (fr) * 2004-06-23 2014-03-12 Char-Broil, LLC Bruleur rayonnant
MX2010008176A (es) * 2008-01-28 2010-08-11 Tetra Laval Holdings & Finance Quemador de gas.
DE102010051415B4 (de) 2010-11-16 2012-12-27 Ulrich Dreizler Verdrängungsverfahren bei der Herstellung einer Brennergewebemembrane für eine kühle Flammenwurzel
DE102010051414B4 (de) * 2010-11-16 2013-10-24 Ulrich Dreizler Verbrennungsverfahren mit kühler Flammenwurzel
KR101291627B1 (ko) * 2011-10-14 2013-08-01 주식회사 경동나비엔 예혼합가스버너의 염공부 구조

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023057937A1 (fr) * 2021-10-07 2023-04-13 Polidoro S.P.A. Brûleur à prémélange

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WO2013178465A3 (fr) 2014-03-13
DE102012104741A1 (de) 2013-12-05
EP2856027A2 (fr) 2015-04-08
WO2013178465A2 (fr) 2013-12-05

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