EP0777084B1 - Mélangeur pour brûleur - Google Patents

Mélangeur pour brûleur Download PDF

Info

Publication number
EP0777084B1
EP0777084B1 EP96118734A EP96118734A EP0777084B1 EP 0777084 B1 EP0777084 B1 EP 0777084B1 EP 96118734 A EP96118734 A EP 96118734A EP 96118734 A EP96118734 A EP 96118734A EP 0777084 B1 EP0777084 B1 EP 0777084B1
Authority
EP
European Patent Office
Prior art keywords
annular disk
air
mixing device
air passage
ring
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.)
Expired - Lifetime
Application number
EP96118734A
Other languages
German (de)
English (en)
Other versions
EP0777084A2 (fr
EP0777084A3 (fr
Inventor
Paul Bognar
Gisbert Fischer
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.)
MEKU Verwaltungsgesellschaft mbH
Original Assignee
MEKU Verwaltungsgesellschaft mbH
MEKU VERWALTUNGSGMBH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MEKU Verwaltungsgesellschaft mbH, MEKU VERWALTUNGSGMBH filed Critical MEKU Verwaltungsgesellschaft mbH
Publication of EP0777084A2 publication Critical patent/EP0777084A2/fr
Publication of EP0777084A3 publication Critical patent/EP0777084A3/fr
Application granted granted Critical
Publication of EP0777084B1 publication Critical patent/EP0777084B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/40—Mixing tubes or chambers; Burner heads
    • 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 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F23C7/004—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion using vanes
    • 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 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/008—Flow control devices
    • 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 
    • F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
    • F23C9/006—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber the recirculation taking place in the combustion chamber
    • 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 
    • F23C2202/00—Fluegas recirculation
    • F23C2202/50—Control of recirculation rate
    • 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
    • F23D2900/11402—Airflow diaphragms at burner nozzle
    • 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
    • F23D2900/11403—Flame surrounding tubes in front of burner nozzle

Definitions

  • the invention relates to a mixing device for a burner according to the preamble of claim 1.
  • a mixing device of this type is from DE-A-40 10 360 known.
  • a ring disc carries a centering hub that supports the nozzle shaft of the burner. Downstream is at the Washer attached an air duct, which in a conical air nozzle ends. The annulus between the burner tube and the air duct is closed by the washer.
  • a swirl device to the Combustion air supplied under swirl with that via the nozzle to mix supplied fuel.
  • the mixing device is firmly connected to the burner, allowing adaptation to different Burner performance is not possible.
  • DE-A-23 39 125 discloses a mixing device for a burner with a swirl device for the supplied combustion air known.
  • DE-A-31 24 113 is a mixing device for a burner with a dall device in the flame tube known. In both cases, the swirl device has swirl blades on, which is punched out of a disc and bent up Lobes are formed.
  • the invention has for its object a mixing device to create the genus mentioned above, the constructive is easy and inexpensive to manufacture and different Burner performance can be adjusted adjustable.
  • this object is achieved by a mixing device with the features of claim 1.
  • the air guide tube is seated downstream of the washer while the centering hub for the nozzle shaft upstream on the ring disc is arranged.
  • the washer can be used both as Carrier of the air duct as well as a carrier for the centering hub and thus serve the nozzle shaft.
  • the combustion air is through the Air passage of the washer is directed into the air duct, the swirl vanes downstream at this air passage are arranged.
  • the swirl blades and the air duct are arranged on a ring, the downstream of the ring disc is attached. The ring with the swirl blades and the air duct can be easily replaced to the Swirl device and air flow change and different To adapt burners.
  • the entire mixing device is preferably only by the Washer supported in the burner tube. This results in the possibility of the entire mixing device in a simple manner axially adjustable to store in the burner tube. For this, the Washer on its outer circumference in a guide and sealing ring stored, which is slidable in the burner tube.
  • the mixing device can differ Burner performance adapted to support this be that the annular gap between the conical air nozzle of the Air duct and the fuel nozzle in the average cross section is changed. This allows the air flow through the Air nozzle in combination with a burner-side fan pressure control adapted to the fuel throughput of the fuel nozzle become.
  • the speed at which the combustion air passes through the Air nozzle supplied to the flame must be in a predetermined Hold area. Therefore, this type of adjustment is only possible if the performance of the fan with which the combustion air added to the burner tube and thus the air duct is adjustable. By adjusting the blower output is achieved that the exit velocity of the combustion air at the air nozzle does not rise inadmissibly if the passage cross section of the air nozzle is reduced.
  • the blower output is insufficiently adjustable on the burner side and / or should the mixing device without any design change are operated with a higher overall blower output preferably the passage cross section of the air passage openings the ring disc is adjustable.
  • the passage cross section With a reduction in The burner capacity below a certain minimum dimension can be the passage cross section the air passage openings are reduced, so that a smaller amount of air in the from the air duct and the chamber formed in the fuel nozzle enters.
  • the adjustment of the passage cross section of the air passage openings is preferably caused by the swirl blades and the ring carrying the air guide tube as an adjusting ring is formed and by twisting or by axial displacement compared to the ring disc, the air passage openings more or less covers.
  • the air passage of the washer is continuous Forms an annular gap at which the swirl vanes are located downstream are arranged.
  • the swirl blades give the combustion air a swirl without the passage cross section of the Air passage is significantly reduced.
  • the washer can be carried by radial wings at the same time hold the centering hub for the nozzle shaft or form.
  • the wings advantageously also form a axial guidance of the mixing device in the burner tube, the counteracts tilting of the ring disc.
  • the support the nozzle shaft over the wing has the further advantage that the heat transfer from the hot burner tube to the nozzle shaft is reduced, the combustion air flowing past the blades additionally causes cooling. Because the passage of air there is an annular gap that is open over the entire circumference, is an adjustment of the passage cross-sections in this version not provided.
  • FIG. 1 to 3 is a first embodiment of the Mixing device shown, which is essentially the state of the Technology corresponds.
  • the mixing device is in a burner tube 10 used. Downstream of the burner tube 10 is a recirculation tube 12 attached by means of a bayonet lock 14.
  • the recirculation pipe 12 engages axially in the burner pipe 10 one up to recirculation openings 16 in the wall of the Burner tube 10. By the same distance over the circumference of the burner tube 10 distributed recirculation openings 16 can Combustion gases from the combustion chamber into those in the recirculation pipe 12 burning flame can be returned.
  • the mixing device is inserted into the burner tube 10 the mixing device by means of a substantially cylindrical Guide and sealing ring 18 axially displaceable in the burner tube 10 is stored.
  • the downstream edge of the guide and Sealing ring 18 slides more depending on the axial adjustment or less via the recirculation openings 16 so that through axial displacement of the mixing device of the passage cross section the recirculation openings 16 and thus the recirculation the combustion gases can be adjusted.
  • the mixing device has an annular ring disk 20 on the outer circumference in the guide and sealing ring 18th sits so that the washer 20 on the outer circumference against the inner wall the burner tube 10 is sealed.
  • the washer 20 is pierced in the middle by a nozzle opening. upstream a centering hub 22 is attached to the annular disk 20, the connects to the nozzle opening.
  • a centering hub 22 is attached to the annular disk 20, the connects to the nozzle opening.
  • the centering hub 22 on the annular disc 20 passes through the centering hub 22 the nozzle opening of the washer 20 with a collar 24, the flanged on the downstream side of the ring disk 20 to the outside is to fix the centering hub 22 to the washer 20.
  • the centering hub 22 serves to receive the nozzle shaft 26 of the Burner.
  • a threaded bore 28 of the centering hub 22 is screwed in a screw for fixing the nozzle shaft 26.
  • the Liquid or gaseous fuel is injected through the nozzle shaft 26 fed and over the at the front end of the nozzle shaft 26th arranged fuel nozzle 30 atomized under pressure.
  • a short air duct 32 attached, preferably welded, which is narrowed at its front end to a conical air nozzle 34.
  • the diameter of the air duct 32 is larger than that Diameter of the centering hub 22.
  • the Washer 20 air passage openings 36 In the illustrated Embodiment are 6 sector-shaped air passage openings 36 with the same mutual angular distance and with the same Angular width provided, as Figure 3 shows. Through the air openings 36 passes through the burner tube 10 Combustion air supplied into the air guide pipe 32 and the fuel nozzle 30 formed chamber 38 and passes through those formed by the fuel nozzle 30 and the air nozzle 34 Annular gap to the flame.
  • the air passage openings 36 are made of the sheet metal of the ring disk 20 punched out so that the punched rag on each a radial edge with the sheet of the washer 20 stays connected.
  • the lobes are from the plane of the washer 20 bent up so that they form swirl wings 40 which in the Chamber 38 protrude.
  • the swirl blades 40 are each the same Circumferentially bent up and are preferably with her Outer edge on the inner wall of the air duct 32.
  • the Swirl vanes 40 issue the combustion air entering chamber 38 a rotational speed component around the Nozzle shaft 26, so that the combustion air with swirl from the Air nozzle 34 exits.
  • ignition electrodes 42 for igniting the burner flame and one Sight tube 44 used to observe the burner flame.
  • the mixing device predetermined cross sections for the combustion air through the cross section of the air passage openings 36 and the passage cross section of that of the air nozzle 34 and the Fuel nozzle 30 formed annular gap are determined.
  • Adaptation of the mixing device to different burner capacities is formed by the air nozzle 34 and fuel nozzle 30 Annular gap in the passage cross section the fuel throughput customized.
  • the cone angle or the opening diameter the air nozzle 34 changed.
  • a change in the passage cross-section of the annular gap causes a change in the exit speed the combustion air, unless the Air delivery of the blower is also changed.
  • the mixing device to the burner output by changing the Air nozzle 34 should therefore be accompanied by an adjustment of the fan.
  • the passage cross section is preferably the air passage openings 36 for adaptation to the Burner output changed.
  • a change in the passage cross-section the air passage openings 36 leads with unchanged Delivery volume of the blower to a different dynamic pressure in the burner tube 10, however, the passage cross section the air passage openings 36 a throttle point for forms the combustion air so that the pressure in chamber 38 and thus the exit velocity of the combustion air do not change significantly due to the annular gap of the air nozzle 34, if the escaping amount of combustion air over the adjustment of the cross section of the air passage openings 36 becomes.
  • the second embodiment shown in Figures 4 to 6 corresponds in structure to the first embodiment of the Figures 1 to 3. It is only an additional adjustment of the Passage cross section of the air passage openings 36 is provided.
  • a ring disk 20 is located on the upstream side Adjustment ring 46 arranged.
  • the adjusting ring 46 is a in figure 6 sheet metal stamped part drawn as an individual part.
  • the adjustment ring 46 has the shape of an annular disc and is with its inner circumference between one in the outer wall of the centering hub 22 turned shoulder and the washer 20 set.
  • the radial width of the adjusting ring 46 is so large that the adjusting ring 46 the annular area of the air passage openings 36 of the washer 20 covers.
  • the adjustment ring 46 has air passage openings 48 on the size and arrangement with the Air passage openings 36 of the washer 20 match.
  • the adjusting ring 46 is formed on its outer circumference Handle flap 50 rotatable between the washer 20 between a first position in which the radial webs 52 between the air passage openings 48 of the adjusting ring 46 with the radial webs 54 between the air passage openings 36 of the washer 20 come to congruence, and a second Position in which these webs 52 of the adjusting ring 46 around the Web width offset from the webs 54 of the washer 20 and the passage cross section of the air passage openings 36 reduce the size of the washer 20. Point in the first position the air passage openings 36 of the washer 20 their maximum free passage cross-section.
  • the adjusting ring 46 is preferably slightly curved so that it between its outer edge resting on the annular disc 20 and its inner edge abutting the shoulder of the centering hub 22 is tensioned.
  • the adjusting ring 46 is thus under friction both on the washer 20 and on the shoulder of the centering hub 22 so that it can be adjusted against this friction can and secured in its respective setting by friction is.
  • FIGS. 7 to 10 show a third embodiment shown. Unless otherwise described below, this third embodiment agrees with the previous one second embodiment match. While the second Embodiment of the adjusting ring 46 is rotatably mounted to the passage cross section of the air passage openings 36 adjust, the adjusting ring 46 is in the third embodiment axially adjustable.
  • the adjusting ring 46 is in its Angular position arranged so that its webs 52 with the area the air passage openings 36 of the washer 20 to cover come in which the respective swirl wing 40 is bent up, so that a straight, axially parallel passage of air through the Air passage openings 36 is not possible.
  • the adjusting ring 46 is axially adjustable. In one end position its axial displacement is the adjusting ring 46 on the annular disc 20 on, so that the webs 52 of the adjusting ring 46 the Partially cover air passage openings 36. Will the adjustment ring 46 increasingly axially lifted off the annular disc 20, so the webs 52 of the adjusting ring 46 continuously hinder less the passage of air through the air passage openings 36th
  • FIG 9 Mechanism For the axial adjustment of the adjusting ring 46, one in FIG 9 Mechanism shown.
  • a Z-shaped Support tab 56 attached on the washer 20.
  • Bolt 58 with an outer collar.
  • the support tab 56 penetrating end of the bolt 58 is in a threaded bush 60 screwed on a web 52 of the adjusting ring 46 is attached.
  • One the bolt 58 and the threaded bush 60 coaxially surrounding helical compression spring 62 supports one end on the support tab 56 and the other end on the Adjustment ring 46 from.
  • By turning the bolt 58 can the adjusting ring 46 against the force of the helical compression spring 62 are lifted more or less far from the washer 20.
  • the bolt 58 runs parallel to the nozzle shaft 26, is an adjustment, e.g. using a wrench or via an extension rod on the back of the burner protrudes to the outside, even with the mixer installed and even possible during operation.
  • FIGS A fourth exemplary embodiment is shown in FIGS shown.
  • the washer 20 like that Individual representation of Figures 13 and 14 shows completely punched out Air passage openings 36 and no swirl vanes 40 on.
  • the adjusting ring 46 is on the downstream side of the Washer 20 arranged.
  • the swirl blades 40 are being punched out of the air passage openings 48 of the adjusting ring 46 made and bent up from the adjusting ring 46, like this the individual representation of Figures 15 and 16 shows.
  • the air duct 32 with the conical air nozzle 34 is on the downstream Welded side of the adjusting ring 46.
  • the adjusting ring 46 has protruding parts on its outer circumference Tab 64 with elongated holes 66 extending in the circumferential direction on. Through these elongated holes 66 engage screws 68, which in Tapped holes 70 of the washer 20 are screwed. at Loosened screws 68, the adjusting ring 46 against the Washer 20 are rotated to the passage cross section the air passage openings 36 to adjust. In the desired one Adjustment, screws 68 are tightened around the adjustment ring 46 to fix.
  • This fourth version is an adaptation to the burner output on the one hand by adjusting the adjusting ring 46 possible. Secondly, by loosening the screws 68 in easier Way of the adjusting ring 46 exchanged with the air nozzle 34 be so that an air nozzle 34 with a different outlet cross section can be used. Because in this version the Swirl blades 40 are not integrally formed on the annular disc 20, can the washer 20 can also be used rotated by 180 °, so that there is a mirror-symmetrical installation with respect to FIG. the same Washer 20 can thus be used in burners in which the ignition electrodes 42 are in relation to the sight tube 44 are arranged on the right or left.
  • the Swirl vane molded onto the washer 20 or the adjusting ring 46 depending on which of these parts is located downstream.
  • FIGS. 17 to 19 This is in a fifth exemplary embodiment in FIGS. 17 to 19 shown, which in the rest of the second embodiment corresponds to Figures 4 to 6.
  • the washer 20, which in 17 and 18 is shown, has only air passage openings 36 on.
  • the adjusting ring arranged on the upstream side on the annular disk 20 46 has swirl vanes 40 that pass through the air passage openings 36 reach through the washer 20.
  • FIGS. 20 to 24 show a sixth exemplary embodiment shown which has a particularly high throughput of combustion air enables, but no adjustment of the passage cross-section for the combustion air.
  • the washer 20 is a circular ring trained, the inner circular area completely as Air passage is punched out.
  • On the upstream side of the washer 20 are four vanes 72 offset by 90 ° from one another welded.
  • the vanes 72 run in axial sectional planes radial to the central axis of the mixing device.
  • One pair each the wing 72 are stamped as a coherent sheet metal part.
  • the middle area 74, on which the two wings 72 together are connected to one that extends over 90 ° Arc shaped.
  • the opposite circular arches Connection areas 74 form the centering hub 22 for the nozzle shaft 26. Are at the axial front and rear ends through the two connecting areas of the pairs of wings 72 a welded ring 76 connected together.
  • the in the axial direction running outer edges of the wings 72 rest a radius that corresponds to the outer radius of the guide ring 18. If the mixing device is inserted into the burner tube 10, so it is on the one hand by the guide ring 18 and on the other hand by the vanes 72 on the inner circumference of the burner tube 10 supported and guided.
  • annular ring disk 20 Between the inner circumference of the annular ring disk 20 and the nozzle shaft 26 inserted into the centering hub 22 there remains an annular gap that is continuously open over the entire circumference free as air passage for the combustion air.
  • FIG. 11 On the downstream side of the ring disk 20 is an adjusting ring 46 arranged, which Figures 21 and 22 show in individual representation.
  • the adjusting ring 46 corresponds essentially to that Adjustment ring, which is shown in Figures 11 and 12.
  • FIG. 11 and 12 points the adjusting ring 46 in this sixth embodiment in FIG the flap 64, however, not elongated holes, but simple holes 78 in which screw 68 are inserted to the Screw adjusting ring 46 to the washer 20.
  • the Adjustment ring 46 is thus opposite in this sixth embodiment the washer 20 is not adjustable and thus has none Adjustment function.
  • Swirl blades 40 are punched out of the adjusting ring 46 and bent up, as shown in Figures 21 and 22. Is downstream the air guide tube 32 is welded to the adjusting ring 46, which narrows outward to the air nozzle 34.
  • the swirl blades 40 lie with their outer edge on the air duct 32 on.
  • the inner edge of the swirl blades 40 is expanded itself in the downstream direction, so that between the inner edge of the Swirl blades 40 and the nozzle shaft inserted into the centering hub 22 free passage remains.
  • the adjusting ring 46 in the axial Top view relatively large air passage openings 48, the neither covered by the swirl vanes 40 nor by the washer 20 become. This results in a large air passage cross section for the combustion air, the flowing through Combustion air through the swirl vanes 40 a swirl is granted.

Landscapes

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

Claims (10)

  1. Mélangeur pour brûleur comprenant :
    un tube de brûleur (10),
    un moyeu de centrage (22), monté coaxialement dans le tube de brûleur (10) pour accueillir la tige de tuyère (26) du brûleur,
    un tube d'acheminement d'air (32) qui entoure coaxialement la tige de tuyère (26) avec la buse de brûleur (30) et se termine en aval par une tuyère d'air (34) conique,
    un disque annulaire (20) obturant l'espace annulaire compris entre le tube de brûleur (10) et le tube d'acheminement d'air (32),
    étant précisé que
    le moyeu de centrage (22) est monté sur le disque annulaire (20), du côté amont, avec alignement sur une ouverture centrale de tuyère de ce disque (20),
    le tube d'acheminement d'air (32) est monté sur le disque annulaire (20) du côté amont, et
    le disque annulaire (20), présente, dans la zone annulaire circulaire comprise entre le moyeu de centrage (22) et le tube d'acheminement d'air (32) un passage d'air (36) équipé d'un dispositif de mise en rotation de l'air,
    caractérisé en ce que
    le dispositif de mise en rotation présente des ailettes de rotation (40) montées du côté aval sur le passage d'air (36) et pénétrant dans le tube d'acheminement d'air (32), et
    le tube d'acheminement d'air (32) et les ailettes de rotation (40) sont montés sur une bague (46) disposée sur le disque annulaire (20), du côté aval.
  2. Mélangeur selon la revendication 1,
    caractérisé en ce que
    le passage d'air est constitué par des ouvertures de passage d'air (36) traversant le disque annulaire (20) et dont la section de passage est réglable.
  3. Mélangeur selon la revendication 2,
    caractérisé en ce que
    la bague en tant que bague de réglage (46) est appliquée sur le disque annulaire (20) et recouvre de manière réglable les ouvertures de passage d'air (36) du disque annulaire (20).
  4. Mélangeur selon la revendication 3,
    caractérisé en ce que
    les ouvertures de passage d'air (36) du disque annulaire (20) sont des passages en forme de secteurs séparés les uns des autres par des barrettes radiales (54),
    la bague de réglage (46) présente des ouvertures de passage d'air (48) correspondant sensiblement aux ouvertures de passage d'air (36) du disque annulaire (20),
    la bague de réglage (46) peut tourner par rapport au disque annulaire (20) entre une position dans laquelle les barrettes (52) qu'elle présente recouvrent sensiblement les barrettes (54) du disque annulaire (20), et une position dans laquelle les barrettes (52) recouvrent partiellement les ouvertures de passage d'air (36) du disque annulaire (20).
  5. Mélangeur selon la revendication 3,
    caractérisé en ce que
    la bague de réglage (46) peut se déplacer axialement par rapport au disque annulaire (20) entre une position dans laquelle la bague de réglage (46) est appliquée sur le disque annulaire (20) et recouvre en partie les ouvertures de passage d'air (36) de celui-ci, et une position soulevée par rapport au disque annulaire (20) dans laquelle le disque de réglage (46) libère les ouvertures de passage d'air (36) du disque annulaire (20).
  6. Mélangeur selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    les ailettes de rotation (40) sont des languettes découpées et relevées lors de la fabrication des ouvertures de passage d'air (48) de la bague (46).
  7. Mélangeur selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que
    le moyeu de centrage (22) est rendu solidaire du disque annulaire (20) en posant ce disque sur un collet (24) du moyeu (22) puis en rabattant vers l'extérieur ce collet (24) pour fixer le disque (20).
  8. Mélangeur selon la revendication 1,
    caractérisé en ce que
    le disque annulaire (20) est un anneau circulaire constitué de manière à laisser libre entre le disque annulaire (20) et la tige de tuyère (26) une fente annulaire périphérique totalement ouverte, le moyeu de centrage étant fixé au disque annulaire (20) par des ailettes (72) montées dans des plans de coupe axiaux.
  9. Mélangeur selon la revendication 8,
    caractérisé en ce que
    les ailettes (72) soutiennent le moyeu de centrage (22) radialement dans le tube du brûleur (10).
  10. Mélangeur selon l'une quelconque des revendications 8 ou 9,
    caractérisé en ce que
    chaque fois deux d'ailettes voisines (72) sont obtenues par pliage d'une pièce découpée monobloc, et la zone (74) reliant ces deux ailettes (72) constitue une partie du moyeu de centrage (22).
EP96118734A 1995-11-29 1996-11-22 Mélangeur pour brûleur Expired - Lifetime EP0777084B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29518919U DE29518919U1 (de) 1995-11-29 1995-11-29 Mischeinrichtung für einen Brenner
DE29518919U 1995-11-29

Publications (3)

Publication Number Publication Date
EP0777084A2 EP0777084A2 (fr) 1997-06-04
EP0777084A3 EP0777084A3 (fr) 1998-08-26
EP0777084B1 true EP0777084B1 (fr) 2002-01-30

Family

ID=8016057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118734A Expired - Lifetime EP0777084B1 (fr) 1995-11-29 1996-11-22 Mélangeur pour brûleur

Country Status (3)

Country Link
EP (1) EP0777084B1 (fr)
AT (1) ATE212702T1 (fr)
DE (2) DE29518919U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357821B2 (en) 2001-09-05 2008-04-15 Webasto Ag System for converting fuel and air into reformate
DE202009002700U1 (de) 2009-03-05 2009-04-30 Meku Metallverarbeitungs Gmbh & Co. Kg Mischeinrichtung für einen Brenner
DE202009010691U1 (de) 2009-08-07 2009-10-08 Meku Metallverarbeitungs Gmbh & Co. Kg Mischkopf mit axial verstellbarem Düsenstock
DE202009010692U1 (de) 2009-08-07 2010-09-16 Meku Metallverarbeitungs Gmbh & Co. Kg Mischeinrichtung für einen Brenner

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19604347A1 (de) * 1996-02-07 1997-08-14 Koerting Ag Brenner für flüssigen oder gasförmigen Brennstoff, insbesondere für Öl
DE10144407B4 (de) * 2001-09-10 2007-05-10 Webasto Ag Düse zum Zerstäuben von flüssigem Brennstoff
DE10144408B4 (de) * 2001-09-10 2007-05-10 Webasto Ag Düse zum Zerstäuben von flüssigem Brennstoff
CA2475471C (fr) * 2002-02-28 2008-08-05 Webasto Thermosysteme Gmbh Systeme pour faire reagir un combustible et de l'air afin de produire un reformat
DE20317839U1 (de) * 2003-11-18 2005-03-31 Meku Metallverarbeitung Mischeinrichtung für einen Brenner
DE202006013853U1 (de) * 2006-09-07 2006-12-21 Meku Metallverarbeitungs Gmbh & Co. Kg Mischeinrichtung für einen Brenner
DE102006049294A1 (de) * 2006-10-19 2008-04-24 Robert Bosch Gmbh Mischeinrichtung für einen Öl- oder Gasbrenner
IT1399383B1 (it) * 2010-03-29 2013-04-16 Ancora Spa Bruciatore ad elevata stabilita' di fiamma, particolarmente per il trattamento termico di manufatti ceramici.
DE102011011281A1 (de) 2011-02-15 2012-08-16 Scheer Heizsysteme & Produktionstechnik Gmbh Mischvorrichtung
BR112014014584B1 (pt) 2011-12-16 2021-08-31 Shell Internationale Research Maatschappij B.V Dispositivo de separação, e, método de fabricação de um turbilhonador
ITMO20120292A1 (it) * 2012-11-27 2014-05-28 Alberto Benfenati Bruciatore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2339125A1 (de) * 1973-08-02 1975-02-13 Volkswagenwerk Ag Drallscheibe fuer einen brenner
DE3124113A1 (de) * 1981-06-19 1982-12-30 Thermostar Heisler + Leins oHG Heizungs-und Klimatechnik, 7250 Leonberg Flammrohr eines oelvergasungsbrenners ii

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7919481U1 (de) * 1979-07-07 1979-10-04 Maschinenfabrik Augsburg-Nuernberg Ag, 8000 Muenchen Anordnung von zuendelektroden bei heizoelbrennern
JPS58205011A (ja) * 1982-05-26 1983-11-29 Sanyo Electric Co Ltd 燃料油バ−ナ
AT395057B (de) * 1988-06-14 1992-09-10 Vaillant Gmbh Geblaesebrenner, insbesondere gas-geblaesebrenner
DE3930569C2 (de) 1989-09-13 1995-06-01 Siegfried W Schilling Brennerkopf
DE4010360A1 (de) * 1990-03-31 1991-10-02 Peter Erat Diffusor mit integrierter zuendeinrichtung und drallscheibe
DE9212924U1 (fr) * 1992-09-25 1992-11-26 Meku Metallverarbeitungs-Gmbh, 7735 Dauchingen, De
DE4430888A1 (de) * 1993-12-18 1995-07-06 Deutsche Forsch Luft Raumfahrt Einstellbarer Blaubrenner
DE9404776U1 (de) * 1994-03-22 1994-07-21 Koehne Heinrich Prof Dr Ing Brenner für Flüssigbrennstoffe
DE29518918U1 (de) * 1995-11-29 1996-01-25 Meku Metallverarbeitung Mischeinrichtung für einen Brenner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2339125A1 (de) * 1973-08-02 1975-02-13 Volkswagenwerk Ag Drallscheibe fuer einen brenner
DE3124113A1 (de) * 1981-06-19 1982-12-30 Thermostar Heisler + Leins oHG Heizungs-und Klimatechnik, 7250 Leonberg Flammrohr eines oelvergasungsbrenners ii

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357821B2 (en) 2001-09-05 2008-04-15 Webasto Ag System for converting fuel and air into reformate
DE202009002700U1 (de) 2009-03-05 2009-04-30 Meku Metallverarbeitungs Gmbh & Co. Kg Mischeinrichtung für einen Brenner
DE202009010691U1 (de) 2009-08-07 2009-10-08 Meku Metallverarbeitungs Gmbh & Co. Kg Mischkopf mit axial verstellbarem Düsenstock
DE202009010692U1 (de) 2009-08-07 2010-09-16 Meku Metallverarbeitungs Gmbh & Co. Kg Mischeinrichtung für einen Brenner
EP2287530A2 (fr) 2009-08-07 2011-02-23 Dome Holding GmbH Unité de mélange pour un brûleur
EP2295857A2 (fr) 2009-08-07 2011-03-16 Dome Holding GmbH Tête de mélange dotée d'une buse réglable axialement

Also Published As

Publication number Publication date
ATE212702T1 (de) 2002-02-15
DE59608673D1 (de) 2002-03-14
DE29518919U1 (de) 1996-01-25
EP0777084A2 (fr) 1997-06-04
EP0777084A3 (fr) 1998-08-26

Similar Documents

Publication Publication Date Title
EP0777084B1 (fr) Mélangeur pour brûleur
DE4110507C2 (de) Brenner für Gasturbinentriebwerke mit mindestens einer für die Zufuhr von Verbrennungsluft lastabhängig regulierbaren Dralleinrichtung
DE2131490C2 (de) Brenner-Mischdüse
DE2539993C2 (de) Brenner für flüssigen oder gasförmigen Brennstoff
DE1751838C3 (de) Brennkammer für Gasturbinenanlagen mit einer Strömungssteuereinrichtung
DE2659089C3 (de) Brenner, insbesondere für flüssige Brennstoffe
EP0775869A2 (fr) Brûleur à prémélange
DE3138615A1 (de) "stroemungsveraenderungsvorrichtung, insbesondere drallkoerper"
DE3930569A1 (de) Mischeinrichtung fuer brenner
DE4228817A1 (de) Brenner für Gasturbinentriebwerke
EP2287530B1 (fr) Unité de mélange pour un brûleur
DE3611909C3 (de) Vorrichtung zur Steuerung der Menge und/oder des Mischungsverhältnisses eines Brenngas-Luft-Gemisches
DE4430888A1 (de) Einstellbarer Blaubrenner
EP2295857B1 (fr) Brûleur ayant un tête de mélange dotée d'une buse réglable axialement
EP0683884B1 (fr) Bruleur a flamme bleue ajustable
EP0777083B1 (fr) Mélangeur pour brûleur
WO2003076846A1 (fr) Bruleur destine notamment a des combustibles liquides ou gazeux
DE19824719C2 (de) Brenner, insbesondere Ölbrenner
DE2318355A1 (de) Gas- und oelbrenner
DE19503781A1 (de) Öl- oder Gasgebläsebrenner
EP0786626A1 (fr) Brûleur à prémélange
EP0990844B1 (fr) Tube foyer pour le brûleur d'une installation de chauffage
EP0501209B1 (fr) Dispositif de combustion pour mazout ou analogue
DE19519696A1 (de) Mischeinrichtung für Brenner von Kleinfeuerungsanlagen
EP0789189B1 (fr) Brûleur pour combustible fluide ou gazeux, en particulier pour mazout

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH DE FR IT LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH DE FR IT LI

17P Request for examination filed

Effective date: 19980730

17Q First examination report despatched

Effective date: 19991112

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MEKU VERWALTUNGSGESELLSCHAFT MBH

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE FR IT LI

REF Corresponds to:

Ref document number: 212702

Country of ref document: AT

Date of ref document: 20020215

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 59608673

Country of ref document: DE

Date of ref document: 20020314

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: R. A. EGLI & CO. PATENTANWAELTE

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20151124

Year of fee payment: 20

Ref country code: CH

Payment date: 20151123

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20151120

Year of fee payment: 20

Ref country code: FR

Payment date: 20151124

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20151229

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59608673

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK07

Ref document number: 212702

Country of ref document: AT

Kind code of ref document: T

Effective date: 20161122