EP3117146B1 - Brûleur à combustion de surface multi-étages - Google Patents

Brûleur à combustion de surface multi-étages Download PDF

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Publication number
EP3117146B1
EP3117146B1 EP15701036.4A EP15701036A EP3117146B1 EP 3117146 B1 EP3117146 B1 EP 3117146B1 EP 15701036 A EP15701036 A EP 15701036A EP 3117146 B1 EP3117146 B1 EP 3117146B1
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EP
European Patent Office
Prior art keywords
burner
zone
zones
fuel
air mixture
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EP15701036.4A
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German (de)
English (en)
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EP3117146A1 (fr
Inventor
Ulrich Dreizler
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Individual
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Individual
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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
    • F23D14/72—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
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/02—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in parallel arrangement
    • 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
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/101—Flame diffusing means characterised by surface shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/103—Flame diffusing means using screens
    • 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
    • F23D2900/00012—Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner"
    • 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
    • F23D2900/00019—Outlet manufactured from knitted fibres

Definitions

  • the invention relates to a burner with surface combustion, which comprises a first and at least one further burner zone.
  • a burner with a surface combustion which comprises a burner head with a housing, which has a supply for a fuel-air mixture upstream and a fabric membrane downstream on an outlet side and a flame non-return valve which is arranged at a distance from it upstream of the fabric membrane. wherein the fabric membrane and the flame non-return valve are arranged by at least one releasable connecting element which engages in a receiving area in the housing.
  • a burner with surface combustion which comprises a housing which receives a blower at one end and supplies a fuel-air mixture to burner zones downstream at the opposite end.
  • the burner zones each include a plate with a plurality of holes which is attached to the housing.
  • a further mixing plate with further bores is assigned to these upstream.
  • Combustion air is supplied through the fan. Downstream of the supply of the combustion air, individual supplies for the fuel are provided on the housing.
  • fuel and air are mixed on the mixing plate and fed to the respective burner zone, with partition walls being provided upstream of each burner zone and extending as far as the fuel supply in order to supply the burner zones.
  • all burner zones are supplied with the same air volume flow provided by the fan.
  • a gas burner which comprises three burner zones, each of which is supplied with a gas-air mixture by separate feeds.
  • the gas-air mixture is fed to these three burner zones independently of one another for combustion.
  • the combustion surface or the combustion zone is formed by a truncated cone-shaped surface which comprises a first and a second burner zone.
  • the third burner zone is formed by a hemispherical surface at the narrow end of the truncated conical surface.
  • the flames emerging on the lateral surface of the burner surface are inclined by almost 90 ° with respect to the exit plane in the direction of the center of the combustion chamber, which is downstream of the gas supply. Because of the burner zones in a row, there is a very long combustion chamber required.
  • a gas burner which is used for heating water, which flows through a heat exchanger in a combustion chamber of the gas burner.
  • This gas burner has a first and a second burner zone, the first burner zone comprising a combustion zone oriented radially to the longitudinal axis of the burner.
  • a gas-air mixture is fed to a second burner zone, which comprises both a radially oriented combustion zone corresponding to the first burner zone and a further axially oriented combustion zone, which together form the second burner zone.
  • a structurally complex structure is provided for this.
  • the invention has for its object to provide a burner with a surface system, which is constructed in several zones and includes a small space for arrangement in a burner plate or a burner and an efficient control, and to provide a heat generator that is small in size, but high heat output enables.
  • each burner zone is supplied with a fuel-air mixture by a separate feed and the burner zones have a flame matrix oriented in the same direction.
  • this allows flat burner zones to be created in the installation depth, so that several burner zones can be arranged next to one another, which on the other hand can be controlled by the respective separate supply of fuel-air mixtures in accordance with the desired operating mode.
  • the respective tissue membranes of the burner zones are arranged in the same plane to one another. In this way, a large-area burner can be divided into several burner zones with different or the same area shares and enable separate control.
  • the individual tissue membranes of the burner zones assigned to one another can be offset parallel to one another. This is then preferably provided in order to assign the individual burner zones to one another in a structurally compact manner.
  • a fan for supplying the fuel-air mixture is provided for each burner zone, or a common fan for supplying the fuel-air mixture and a control flap is provided in at least one supply to the burner zones for the burner zones. If for each burner zone A fan for supplying the fuel-air mixture is provided, a specific control and supply of the fuel-air mixture can be achieved for each burner zone, whereby the length of the flame root can also be determined. If a common blower for supplying the fuel-air mixture and a control flap is provided for all burner zones of the burner and in at least one of at least two feeds leading to the respective burner zone, several burner zones can be controlled with only one common blower and by controlling the control flap or control flaps be supplied with the fuel-air mixture.
  • the flame matrix of each burner zone is preferably aligned axially to the direction of flow of the fuel-air mixture between the flame non-return valve and the fabric membrane.
  • the flame matrix is perpendicular to the surface of the fabric membrane, so that the individual flame can freely emerge from the fabric membrane without an inclination or deflection, which enables increased efficiency in combustion and thus increased efficiency in heating the burner chamber.
  • the respective tissue membrane of the burner zones assigned to one another preferably has a maximum offset which is equal to or less than 100 mm when they are arranged with a parallel offset to one another.
  • a homogeneous flame matrix extending over all tissue membranes of the burner zones can thereby be achieved.
  • the length of the flame root of the respective flame matrix is preferably the longest at full load.
  • the first burner zone to be ignited is at least one ignition electrode and / or at least one Monitoring electrode assigned.
  • the first burner zone can be designed as a preliminary stage, which is first ignited and monitored in order to form a flame matrix in the combustion zone.
  • this second or further burner zone can be switched on, the flame matrix of the first burner zone being supplied to the second and / or the fuel-air-gas mixture. or another neighboring burner zone, and forms a common flame matrix with it.
  • a first burner zone is completely surrounded by the second and / or at least one further burner zone.
  • This arrangement can also be interchanged.
  • two burner zones arranged concentrically to one another can be formed, which are usually controlled in such a way that the smaller of the two zones is initially ignited.
  • the combustion zone of the burner provides that the first and at least one further burner zone each have the same proportion of area.
  • the surface of the first burner zone may be different from that of the second or further burner zone, the first burner zone preferably being smaller than the second burner zone in the case of two burner zones.
  • the size ratio of the respective burner zone is determined. This depends on the heat generator to be fired and the downstream heating process.
  • the overall control ratio can be determined from the sum of the maximum output of the first and second burner zones in relation to the minimum output of the first burner zone. The same applies to more than two burner zones.
  • Another preferred embodiment of the invention sees a common one between the first and at least one further burner zone Contact line or a common point of contact of the respective flame matrix.
  • the flames of the flame matrix expand up to the end of the respective flame in the direction of flow of the fuel-air mixture, so that the flame matrix also widens in the edge region of the combustion zone, thereby making it easier to ignite the adjacent combustion zone of a further burner zone.
  • the first and at least one further burner zone preferably have a circular, rectangular or square geometry to form a combustion zone.
  • a circular or square geometry can be provided for a cylindrical burner chamber.
  • an oblong-rectangular burner with a first and second burner zone for strip-shaped and elongated heating zones can be formed and used.
  • the second or further burner zone preferably has two to seven times the surface area of the first burner zone.
  • the first burner zone forms a preliminary stage and the second burner zone, for example, a main stage, preferably together with the preliminary stage, for heating the combustion chamber.
  • a further preferred embodiment of the invention provides that the fuel-air mixture is mixed in front of the at least one fan and the mixture is fed to the at least one burner zone via the fan.
  • the fuel / air mixture can be mixed after the at least one blower and then fed to the at least one burner zone.
  • the term postmix burner is used.
  • a preferred embodiment of the burner with the first and at least one further burner zone provides that these are arranged in a common burner head, so that the first and at least one further burner zone together on one burner plate are arranged to the burner chamber, which can be fastened to a burner housing for closing the burner chamber.
  • the first and at least one further burner zone can each be formed by a separate burner head with a respective housing, which are arranged adjacent or adjacent to one another in a burner plate.
  • the object on which the invention is based is also achieved by a heat generator in which a burner according to one of the above-described embodiments can be used.
  • the heat generator can preferably be provided for heating a liquid, vaporous or gaseous medium, in which a supply line preferably leads into a burner chamber of the housing of the heat generator in order to heat the medium flowing through the line.
  • the line is part of a heat exchanger, for example to heat water.
  • FIG 1 is a schematic sectional view of a burner 13 is shown on a heat generator 11 with a burner chamber 12 into which a heat exchanger or a line 14 carrying liquid medium projects in order to heat up the liquid medium passed through line 14 and to dissipate the thermal energy of the flame.
  • the heat transfer medium can also be vapor or gaseous.
  • the heat generator 11 comprises a housing 16 which has an opening 17 with a pipeline 18 at one end for discharging hot combustion gases. Opposite the burner chamber 12 is closed by a burner plate 21 which receives a burner 13 with a burner head 23 with a fan 24.
  • Such a burner 13 can be operated as a gas appliance in accordance with EN676 "gas blower burner”. Operation in accordance with EN746-2 on thermoprocessing systems in the industrial and commercial sector is also possible. A delimitation of the respective areas of application is described in the associated standards under "Area of application”.
  • air is supplied to the blower 24 via an air supply line 26.
  • a fuel line 27 leads to the blower 24, a certain amount of fuel being supplied to the blower 24 via a solenoid valve 28.
  • This fan 24 preferably has a fan wheel, not shown in detail, so that a fuel-air mixture is generated after the fan 24 and is fed to the burner head 23 via a feed 29.
  • a fuel-air mixture can also be supplied to the blower 24.
  • the control of the solenoid valve 28 for determining the amount of fuel supplied takes place via a control device 40, which can monitor and control the control of the entire combustion process.
  • the burner head 23 further comprises at least one ignition electrode 31 and at least one Monitoring electrode 32, which in Figure 1 are only shown schematically and are also connected to the control device 40 in order to forward data to the control device 40 or to control the ignition electrode 31 to ignite the burner head 24.
  • the burner head 23 according to Figure 1 is constructed, for example, in two stages and comprises a first burner zone 34 and a second burner zone 35. Each of these burner zones 34, 35 can be individually and continuously regulated from the lowest to the highest output.
  • the second burner zone 35 is connected to the second burner zone 35, for example, by a feed 37 leading away from the housing 36 of the first burner zone 34.
  • the feed 37 can also branch off from the feed 29 coming from the blower 24.
  • the feed 37 comprises a control flap 38, which in turn is connected to the control device 40 and can be controlled via it.
  • the burner head 23 comprises a cylindrical housing 36 with a bottom 41, to which the feed 29 is connected, through which the fuel-air mixture is fed to the first burner zone 34 via the fan 24.
  • a housing partition 43 is arranged within the housing 34 to form the first and second burner zones 34, 35, which together with the associated section of the base 41 forms a housing 44 for the first burner zone 34.
  • a housing 45 for the second burner zone 35 is formed by the housing partition 43 of the housing 44 and an outer wall 46 of the housing 34 of the burner head 23.
  • the supply 37 for supplying the fuel-air mixture opens into this outer wall 46.
  • this feed can also be connected to the bottom 41 of the housing 45.
  • the feed 37 can also be arranged on the bottom 41 of the housing 45.
  • the housing 44 of the first burner zone 34 and the housing 45 of the second burner zone 35 are nested and combined with one another, so that the second housing 45 concentrically surrounds the housing 44.
  • a common base 41 is preferably provided for the housing 44, 45.
  • the bottoms of the housings 44, 45 can be arranged offset to one another.
  • the first burner zone 34 comprises a flame non-return valve 48 lying opposite the floor 41 and viewed in the direction of flow of the fuel-air mixture, as well as spaced apart therefrom and a fabric membrane 49 downstream. Downstream of the tissue membrane 49, a combustion zone 51 is provided, within which a flame matrix 52 is formed, the combustion zone 51 being delimited in the radial direction by a delimiting element 54.
  • the first burner zone 34 comprises, for example, an ignition electrode 31 and one or more monitoring electrodes 32, which are arranged, for example, in the center of the first burner zone 34 or in the housing 44 of the first burner zone. Because of this central arrangement of the ignition electrode 31 and the monitoring electrode 32, the feed 29 of the fuel-air mixture is formed on the housing 44 by a fork-shaped connection 56, which for example covers three openings 57 in the base 41.
  • the at least one ignition electrode 31 and / or monitoring electrode 32 can also be arranged in an edge region in the housing 44 of the first burner zone 34, so that a central supply of the fuel-air mixture or in the rest of the region 41 is possible.
  • the second burner zone 35 also comprises a flame non-return valve 48, viewed in the direction of flow, and a tissue membrane 49 at a distance therefrom to form an annular combustion zone 51.
  • Limiting elements 54 are preferably again provided in the housing 45.
  • the limiting element 54 is designed in such a way that the tissue membrane 49 is held down to the spacer element, which positions the tissue membrane 49 at a predetermined distance from the flame flashback barrier 48.
  • Limiting element 54 is designed such that, starting from the operation of the burner head 23 with the first burner zone 34, a switch-on of the second burner zone 35 enables the flame matrix 52 of the second burner zone 35 to be ignited due to the flame matrix 52 in the first burner zone 34.
  • the individual flames 59 emerging from the fabric membrane 49 expand at the end of the individual flames as seen in the direction of flow, so that the flame matrix 52 widens in the edge region of the burner zone 34 and, when the fuel-air mixture is supplied via the adjacent burner zone 35, the burner zone 35 is ignited automatically 51 of the neighboring burner zone.
  • the arrangement and configuration of the burner head 23 with a fabric membrane 49 spaced apart from the flame check valve 49 enables the formation of a cool flame root, in particular when using a fabric membrane 49 according to FIG WO 2012/065582 to which full reference is made.
  • Figure 4 is schematically the arrangement of the fabric membrane 49 of the first burner zone 34 and the second burner zone 35 according to Figure 2 shown, which are aligned with a parallel offset a to each other.
  • a flame matrix 52 is formed on each tissue membrane 49 in the area of the combustion zone 51, which flame matrix is composed of individual flames 59 and holding flames 60 arranged between them, the individual flames 59 emerging from the holding flames 60.
  • the parallel offset between the fabric membrane 49 of the first burner zone 44 to the fabric membrane 49 of the second burner zone 45 corresponds at most to the flame root of the individual flame 59.
  • the maximum offset a also applies to other fabric membranes 49 which are provided in further burner zones in multi-zone burners 11.
  • “Flame root” is understood to mean a zone of the individual flames 59 which keeps this individual flame 59 stabilized, so that it does not stand out from the tissue membrane 49 or can go out.
  • the fuel and oxygen are only partially ignited in the flame root and is partly still separate. Only at the end of the flame root in the flow direction of the fuel-air mixture is the exothermic reaction started completely, which is then completed when the flames burn out. Consequently, the ignition of the combustion reaction in the flame root - i.e. the oxidation of a combustible material with oxygen, which causes the flame to form - has not yet been completed. Unburned constituents of oxygen and combustible material can still be present.
  • the flame root can be identified optically as a flame by its blue core color, which is more intensely visible than the rest of the flame.
  • the offset a can also be zero, that is to say that the fabric membrane 49 of the first burner zone 34 and that of the second burner zone 35 are arranged in the same plane.
  • FIGS 5a and 5b 14 are schematic views illustrating an alternative embodiment with respect to the supply of the fuel-air mixture to the burner head 23 of the burner 11 Figures 1 to 3 demonstrate.
  • the Figure 5a differs from the supply of the fuel-air mixture Figure 1 in that a branch 62 is provided in the feed line 29, which divides the volume flow supplied by the blower 16 in two, so that a separate feed is provided for the first and second fuel stages 34, 35.
  • Each feed 29, 37 comprises a separate control flap 38, which can be controlled separately from each other by the control device 40 in order to regulate the respective volume flow.
  • FIG. 5b shows a feed for a fuel-air mixture to the burner head 23, in which each burner zone 34, 35 is each connected to a feed line 29, 37 to which a fan 24 is connected, so that each burner zone 34, 35 is independent of the other burner zone 35, 34 can be filled with a fuel-air mixture is so that the mixtures can also differ from each other.
  • FIGS. 6a to 6e are schematic views from above of a burner 11 with, for example, two burner zones 34, 35, which have different arrangements and geometries. It goes without saying that instead of two burner zones, it is also possible to provide a plurality of burner zones which have an analog structure.
  • Figure 6a represents an end view of the burner head 23 according to Figure 2 with a round combustion zone 51, the Figure 6a It differs in that the at least one ignition electrode 31 and / or monitoring electrode 32 is not arranged in the center, but rather off-center in the tissue membrane 49 of the first burner zone 34.
  • the second burner zone 35 preferably comprises a multiple of the first burner zone 34 with respect to the areas thereof.
  • the second burner zone 35 completely surrounds the first burner zone 34. These have a common line of contact 64 of the respective flame matrix 52. Along this line of contact 64, the flame matrix 52 of the first burner zone 34 is skipped onto the second burner zone 35 when the second burner zone 35 is switched on.
  • a third burner zone can completely surround the second burner zone or the second and third burner zones together surround the first burner zone.
  • the first burner zone can also have two or more zones and be surrounded by an annular burner zone in analogy to the two-stage burner zone shown.
  • Figure 6b is an alternative embodiment to Figure 6a shown.
  • the first and second burner zones 34, 35 have areas of equal size, which are separated by the contact line 64, in each of which a combustion zone 51 is formed with a semicircle for the first and second burner zones 34, 35.
  • the first burner zone 34 of the combustion zone 51 can also comprise an arc segment and the second burner zone 35 take up the remaining area
  • the Figure 6c shows an alternative geometric configuration of the Combustion zone 51 too Figure 6b , by the first and second burner zones 34, 35 being square, but with the same surface division. Alternatively, at Figure 6c a rectangular arrangement may also be provided.
  • the Figure 6e shows a further alternative embodiment, which comprises a flat-rectangular combustion zone 51 of the first and second burner zones 34, 35, which comprise a common contact line 64.
  • a flat-rectangular combustion zone 51 of the first and second burner zones 34, 35 which comprise a common contact line 64.
  • Such an embodiment is preferably provided in so-called strip burners, the length of which is a multiple of the width.
  • FIG. 7 is an alternative embodiment to Figure 1 shown.
  • the structure of the burner 13 corresponds to that in Figure 1 .
  • the embodiment in FIG Figure 7 to Figure 1 It is provided that two separate burner heads 23 are assigned to one another and are received in a burner plate 21, a burner head 23 forming a first burner zone 34 and a second burner head forming the burner zone 35, which are preferably of different sizes in the area of the combustion zone 51, as shown in the front view in Figure 8 emerges.
  • the second burner zone 35 is preferably at least three times larger, preferably five times larger, than the first burner zone 34.
  • Each burner head 23 is supplied with a fuel-air mixture via a fan 24.
  • Each burner head 23 has one analog structure to the first burner zone 34 or second burner zone 35.
  • a flame non-return valve and a fabric membrane 49 are provided downstream of the supply of the fuel-air mixture, so that a flame matrix 52 can form on an outlet side of the fabric membrane in a combustion zone 51, the individual flames 59 and the holding flame 60 are aligned perpendicular to the plane of the tissue membrane 49. The individual flames 59 are thus aligned in the flow direction within the combustion zone 51.
  • the housings 24 of the burner heads 23 for the first and second burner zones 34, 35 can, for example, adjoin one another at a contact point 65 or be only a short distance apart, and the at least one ignition electrode 31 and / or monitoring electrode 32 can be positioned in a gusset which results from this that a central or off-center arrangement of the ignition electrode 31 and / or monitoring electrode 32 in the first burner zone 34 is not necessary. However, this can also be chosen. This enables the flame matrix 52 to jump from the first burner zone 34 into the second burner zone 35 when the burner 13 is switched on with the second burner zone 35.
  • the ignition electrode 31 and the monitoring electrode 32 can be assigned to the first burner zone 34 and a further monitoring electrode 32 to the second burner zone 35.
  • the ignition electrode 31 and / or monitoring electrode 32 can also be assigned separately from one another corresponding to the first and / or second burner zone 34, 35.
  • the two burner heads 23 are adjusted with respect to the alignment of the tissue membranes 49 in such a way that they lie in one plane or correspond to a maximum offset a Figure 4 exhibit.

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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 (13) à combustion superficielle, lequel comprend une première et au moins une autre zone de brûleur (34, 35) lesquelles présentent respectivement un tube d'amenée (29, 37) pour amener un mélange combustible-air dans une zone de combustion (51), et lesquelles comprennent respectivement pour chaque zone de brûleur (34, 35) une membrane de tissu (49) qui est contiguë à la zone de combustion (51) et sont pourvues respectivement d'un dispositif anti-retour de flamme (48) qui est disposé en amont de la membrane de tissu (49), et ce à une distance donnée de celle-ci,
    dans lequel chaque zone de brûleur (34, 35) présente respectivement un tube d'amenée (29, 37) séparé pour le mélange combustible-air et dans lequel les membranes de tissu respectives (49) des zones de brûleur (34, 35) sont orientées de manière à être dans le même plan ou à se trouver décalées parallèlement les unes aux autres de sorte que les zones de brûleur (34, 35) présentent une matrice de flammes (52) orientée dans la même direction dans la zone de combustion (51), et
    dans lequel pour chaque zone de brûleur (34, 35) est prévu respectivement un ventilateur (24) destiné à amener le mélange combustible-air, ou dans lequel pour les zones de brûleur (34, 35) est prévu un ventilateur (24) commun destiné à amener le mélange combustible-air, et dans lequel un clapet de commande (38) est prévu dans au moins un tube d'amenée (29, 37) conduisant aux zones de brûleur (34, 35).
  2. Brûleur selon la revendication 1, dans lequel la matrice de flammes (52) des zones de brûleur (34, 35) est orientée, entre le dispositif anti-retour de flamme (48) et la membrane de tissu (49), de manière axiale par rapport au sens du flux.
  3. Brûleur selon la revendication 1, dans lequel les membranes de tissu (49) des zones de brûleur (34, 35) présentent un décalage (a) maximal qui est égal ou inférieur à 100 mm.
  4. Brûleur selon l'une quelconque des revendications précédentes, dans lequel au moins une électrode d'allumage (31) et/ou au moins une électrode de surveillance (32) est/sont affectée(s) à la zone de brûleur (34, 35) devant être allumée en premier, ou est/sont intégrée(s) dans celle-ci.
  5. Brûleur selon l'une quelconque des revendications précédentes, dans lequel la première zone de brûleur (34) est entièrement entourée par ladite au moins une autre zone de brûleur (35).
  6. Brûleur selon l'une quelconque des revendications précédentes, dans lequel la première zone de brûleur (34) et ladite au moins une autre zone de brûleur (35) présentent respectivement la même proportion superficielle.
  7. Brûleur selon l'une quelconque des revendications précédentes, dans lequel une ligne de contact (64) commune ou un point de contact (65) commun des matrices de flammes (52) voisines est prévu(e) entre la première et ladite au moins une autre zone de brûleur (34, 35).
  8. Brûleur selon l'une quelconque des revendications précédentes, dans lequel au moins la première et ladite au moins une autre zone de brûleur (35) présentent une zone de combustion (51) de forme circulaire, rectangulaire ou carrée.
  9. Brûleur selon l'une quelconque des revendications 1 à 5, dans lequel ladite au moins une autre zone de brûleur (35) présente au moins deux fois, de préférence entre deux et sept fois, la proportion superficielle de la première zone de brûleur (34).
  10. Brûleur selon l'une quelconque des revendications précédentes, dans lequel le mélange combustible-air est mélangé avant ledit au moins un ventilateur (24) ou après ledit au moins un ventilateur (24) et est amené audit au moins un étage de brûleur (34, 35).
  11. Brûleur selon l'une quelconque des revendications précédentes, dans lequel la première et ladite au moins une autre zone de brûleur (34, 35) sont disposées dans une tête de brûleur (23) commune.
  12. Brûleur selon l'une quelconque des revendications 1 à 9, dans lequel la première zone de brûleur (34) et ladite au moins une autre zone de brûleur (35) sont formées respectivement par une tête de brûleur (23) séparée.
  13. Producteur de chaleur pourvu d'un boîtier (16) qui entoure une chambre de brûleur (12) qui peut être obturée par une plaque de brûleur (21), caractérisé en ce qu'un brûleur (13) selon l'une quelconque des revendications 1 à 12 est disposé sur la plaque de brûleur (21).
EP15701036.4A 2014-03-11 2015-01-27 Brûleur à combustion de surface multi-étages Active EP3117146B1 (fr)

Applications Claiming Priority (2)

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DE202014101097.1U DE202014101097U1 (de) 2014-03-11 2014-03-11 Brenner mit einer Oberflächenverbrennung
PCT/EP2015/051536 WO2015135679A1 (fr) 2014-03-11 2015-01-27 Brûleur à combustion de surface multi-étages

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EP3117146A1 EP3117146A1 (fr) 2017-01-18
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DE102018120992A1 (de) * 2018-08-28 2020-03-05 Walerij Schlagin Brennereinheit für eine Heizungsanlage

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0433208A1 (fr) * 1989-12-11 1991-06-19 Gas Natural Sdg, S.A. Brûleur pour table de cuisson en vitro-céramique.

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NL176301C (nl) * 1974-08-24 Schwank Gmbh Toestel met ten minste een gasbrander voor een kookplaat.
EP1091176A1 (fr) * 1999-10-05 2001-04-11 A.C. di Amati Carlo & C.S.a.s. Dispositif de combustion pour tables de cuisson de cuisinière à gaz
US6453672B1 (en) 2001-03-15 2002-09-24 Alzeta Corporation Segmented surface-stabilized gas burner and method of use with gas turbines
DE10251816A1 (de) * 2002-04-16 2004-05-13 Rolf Kresel Gasbrenner
WO2006019279A1 (fr) * 2004-08-19 2006-02-23 Kyungdong Boiler Co., Ltd. Bruleur a gaz
DE102007008895A1 (de) * 2007-02-23 2008-08-28 BSH Bosch und Siemens Hausgeräte GmbH Brennerplatte
CA2712497C (fr) * 2008-01-28 2016-07-12 Tetra Laval Holdings & Finance Sa Bruleur a gaz
US8286594B2 (en) 2008-10-16 2012-10-16 Lochinvar, Llc Gas fired modulating water heating appliance with dual combustion air premix blowers
DE102009058453B4 (de) * 2009-12-16 2011-09-01 Robert Bosch Gmbh Gasgebläsebrenner mit modulierbarer Brennerleistung und Verfahren zum Betreiben eines Gasgebläsebrenners
DE102010051414B4 (de) 2010-11-16 2013-10-24 Ulrich Dreizler Verbrennungsverfahren mit kühler Flammenwurzel
DE102012104741A1 (de) * 2012-06-01 2013-12-05 Ulrich Dreizler Verfahren zur vollständigen und geräuschreduzierten Verbrennung eines Brennstoff-Luft-Gemisches sowie Brenner hierzu
EP2870409B1 (fr) * 2012-07-03 2020-03-25 Dreizler, Ulrich Brûleur à système de combustion superficielle

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EP0433208A1 (fr) * 1989-12-11 1991-06-19 Gas Natural Sdg, S.A. Brûleur pour table de cuisson en vitro-céramique.

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DE202014101097U1 (de) 2015-06-12
WO2015135679A1 (fr) 2015-09-17

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