EP0718552B1 - Aussenmischender Brenner - Google Patents

Aussenmischender Brenner Download PDF

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Publication number
EP0718552B1
EP0718552B1 EP95402760A EP95402760A EP0718552B1 EP 0718552 B1 EP0718552 B1 EP 0718552B1 EP 95402760 A EP95402760 A EP 95402760A EP 95402760 A EP95402760 A EP 95402760A EP 0718552 B1 EP0718552 B1 EP 0718552B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
holes
fluid
chamber
burner
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
EP95402760A
Other languages
English (en)
French (fr)
Other versions
EP0718552A1 (de
Inventor
Dominique Robillard
Michel Inizan
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9470063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0718552(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP0718552A1 publication Critical patent/EP0718552A1/de
Application granted granted Critical
Publication of EP0718552B1 publication Critical patent/EP0718552B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other

Definitions

  • the present invention relates to a burner of the type external mixing.
  • Waste in the form of a gas, a liquid, or a foam, possibly containing suitable additives are sent to a powered burner by two pure oxygen, or at least with high content.
  • This process consists dispersing the waste to be incinerated in an aqueous solution containing a surfactant and, where appropriate, a fuel, to transform this solution into a foam slightly pressurized, and transfer this foam to a cyclone oven by passing it through an oxygen burner.
  • the object of the present invention is to provide a burner with improved performance compared to to the device of the prior art, a homogeneous flame can occur at a short distance, substantially constant despite variations in fuel, from the nose of the burner.
  • the burner of the invention can be used in all areas, without being limited to waste incineration.
  • the invention provides a external mix type burner with pierced nose a passage for supplying a first fluid, and a passage supply of a second fluid capable of forming a flame when in contact with the first, the burner operating by flame formation a short distance from the nose, the nose being made up of a part with a pierced outer face of holes, some of these holes opening into a room supplied with the first fluid, this chamber being bounded by the nose, a side wall pierced with orifices to get the first fluid, and a bottom, transverse to the side wall, the side wall being connected waterproof with the nose and with the bottom, and some others nose holes each containing a tube attached to the nose so watertight, and crossing the bottom also in leaktight fashion, to lead into a second fluid supply conduit, all the holes opening into the chamber and the set of holes containing tubes each having a regular and uniform distribution on the outside of the nose.
  • the first fluid can be the fuel, in the form foam or gas or liquid, and the second fluid may be oxygen.
  • the opposite situation is possible.
  • the number and respective diameters of the holes opening into the chamber and tubes is obviously function of the desired combustion, and in particular of the nature fuel and fuel.
  • the burner as a whole, includes a body tubular C visible in Figure 1, and a head T, visible more precisely in Figures 2 and 3.
  • Body C comprises several concentric tubes, namely, starting from the axis, a first tube 2 which is connected to an oxygen inlet 3, and which, from opposite side, leads to head T.
  • a second tube 4 defines with the tube 2 an annular conduit 5 which serves to feed fuel from fuel inlet 6 up to head T.
  • a third and a fourth tube concentric 7, 8 define between them two spaces annulars intended for the circulation of a cooling, which enters the annular space outside 9 by an entry 10, and comes out of the space inner ring 11 by an outlet 12. The two spaces annulars 9 and 11 communicate with each other at the level of the burner head T.
  • the burner head includes a part called "nose", which has the general shape of a disc 13, drilled, in its part central, of a multitude of orifices 14, 15.
  • the face outer 16 of the nose 13 is flat, while its opposite face 17 carries a first external projection 18 intended for its connection with the outer tube 8, and another protruding annular 19 which serves to delimit, with the face 17, a room 20.
  • a shutter piece 21 has the general shape a cylinder open at one end and closed at the other end by a perforated disc 22.
  • the cylindrical part 23 of the part 21 is welded by its ends to the relief cylindrical 19 of the nose.
  • a number of radial holes 24, arranged in two radial planes, are provided in the cylindrical part 23, a short distance from the disc 22.
  • the holes 14 and 15 of the burner nose 13 open all in room 20.
  • Figure 3 shows their distribution regular. A number of these holes 14 are found in axial alignment with holes 25 of the part shutter 21, and a tube 26 is crimped in each hole 14 and each corresponding hole 25. All holes 25 of the disc 22 are connected to a corresponding bore 14 of the nose so that there is no communication between the room 20 and space 27 which is on the opposite side of disc 22, and which extends the inlet duct oxygen.
  • FIG 3 there is shown in dark the tubes 14 which are provided with tubes 26, and therefore communicate with holes 25 and with space 27, and clearly tubes 15 which communicate with chamber 20.
  • the holes 14 and the holes 15 are evenly distributed. The ratio of the number of holes 14 to the number of holes 15 is obviously adapted depending on the problem.
  • the end of the tube 4 is welded to a shoulder outside 28 carried by the cylindrical wall 23 of the part shutter 21. This shoulder is closer to the face outer of the nose than the 25 holes.
  • the fuel therefore penetrates radially into chamber 20.
  • the currents of fuel coming out of the holes 25 strike the tubes 26 before exiting through the orifices 15 of the nose. It results in mixing which ensures that the flow rates of each of the 15 holes are the same.
  • Room 20 is also a buffer chamber which homogenizes the variations fuel composition.
  • conduits 26, and the holes 14 route oxygen directly from space 27, without putting it in contact with the fuel in chamber 20. Again the distribution of holes 14 ensures distribution regular.
  • the structure of the burner thus makes it possible to obtain a particularly homogeneous and constant flame.
  • the double-walled cooling circuit 9, 11 is practically extends to the level of disc 13. It therefore comes closer to the outer face 16 of the nose than the weld connecting the shoulder 28 to the tube 4. This weld is therefore effectively cooled, which is a guarantee of duration.

Landscapes

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

Claims (8)

  1. Brenner vom Typ mit externer Mischung, versehen mit einem Brennerkopf (13), welcher mit einer Durchgangsbohrung für die Zufuhr eines ersten Fluids sowie mit einer Durchgangsbohrung für die Zufuhr eines zweiten Fluids versehen ist, wobei das zweite Fluid geeignet ist, eine Flamme zu bilden, sobald es mit dem ersten Fluid in Kontakt tritt, und wobei der Brenner durch Bildung der Flamme in geringem Abstand zum Brennerkopf funktioniert,
    wobei der Brennerkopf (13) aus einem Teil besteht, welches eine mit Bohrungen versehene äußere Fläche besitzt, wobei einige von diesen Bohrungen (15) in eine Kammer (20) münden, die mit dem ersten Fluid gespeist wird und die durch den Brennerkopf (13), durch eine Seitenwand (23), welche mit Öffnungen für die Zufuhr des ersten Fluids versehen ist, sowie durch einen quer zur Seitenwand angeordneten Boden (22) begrenzt wird, und wobei die besagte Seitenwand mit dem Brennerkopf und dem Boden dicht verbunden ist und bestimmte andere Bohrungen (14) des Brennerkopfes jeweils ein Rohr (26) enthalten, welches dicht mit dem Brennerkopf verbunden ist und den Boden (22) ebenfalls dicht durchläuft, um schließlich in eine Leitung für die Zufuhr des zweiten Fluids zu münden, wobei alle Bohrungen, die in die Kammer münden, und alle Bohrungen, die mit Rohren versehen sind, jeweils regelmäßig und gleichförmig über die Außenfläche des Brenners verteilt sind.
  2. Brenner nach Anspruch 1, dadurch gekennzeichnet, daß die Außenfläche (16) des Brennerkopfes (13) annähernd plan ist.
  3. Brenner nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Bohrungen (14, 15) parallel zueinander verlaufen.
  4. Brenner nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Kopf des Brenners aus einer im wesentlichen planen Platte besteht, die in ihrem Mittelteil mit den genannten Bohrungen versehen ist und die auf ihrer der Außenfläche gegenüberliegenden Seite einen zylindrischen Vorsprung (19) aufweist, der sämtliche Bohrungen umschließt und einen Teil der Seitenwand der Kammer bildet.
  5. Brenner nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Boden der Kammer als plane Platte (22) ausgeführt ist, welche mit einer zylindrischen Verlängerung (23) versehen ist, die zumindest einen Teil der Seitenwand der Kammer bildet.
  6. Brenner nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Zuleitung für das zweite Fluid aus einem ersten, mit dem Boden verschweißten Rohr (2) besteht und daß ein zweites Rohr (4), welches koaxial zum ersten Rohr angeordnet ist und einen größeren Durchmesser besitzt, mit einem außenliegenden Bund (28) der Kammerwand verschweißt ist, wobei dieser Bund näher an der Außenfläche des Brennerkopfes liegt als die Bohrungen (24) für die Zufuhr des ersten Fluids, und wobei dieses erste Fluid über den ringförmigen Raum, der zwischen dem ersten und dem zweiten Rohr angeordnet ist, zu diesen Bohrungen gelangt.
  7. Brenner nach Anspruch 6, dadurch gekennzeichnet, daß er eine doppelte Wand besitzt, welche von einem Kühlfluid durchströmt wird, wobei dieses Fluid nicht nur die Kühlung des Brennerkopfes sondern auch die des genannten Bundes (28) der Kammerwand gewährleistet.
  8. Brenner nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Rohre (26) durch Bördelung am Brennerkopf befestigt sind.
EP95402760A 1994-12-21 1995-12-07 Aussenmischender Brenner Expired - Lifetime EP0718552B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9415412A FR2728655B1 (fr) 1994-12-21 1994-12-21 Bruleur du type a melange externe
FR9415412 1994-12-21

Publications (2)

Publication Number Publication Date
EP0718552A1 EP0718552A1 (de) 1996-06-26
EP0718552B1 true EP0718552B1 (de) 1999-07-28

Family

ID=9470063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402760A Expired - Lifetime EP0718552B1 (de) 1994-12-21 1995-12-07 Aussenmischender Brenner

Country Status (5)

Country Link
US (1) US5615833A (de)
EP (1) EP0718552B1 (de)
DE (1) DE69511054T2 (de)
ES (1) ES2136263T3 (de)
FR (1) FR2728655B1 (de)

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US6149075A (en) * 1999-09-07 2000-11-21 General Electric Company Methods and apparatus for shielding heat from a fuel nozzle stem of fuel nozzle
US6363724B1 (en) * 2000-08-31 2002-04-02 General Electric Company Gas only nozzle fuel tip
FR2816037B1 (fr) * 2000-11-02 2003-01-03 Air Liquide Bruleur et procede d'oxydation partielle d'un flux de gaz comprenant du sulfure d'hydrogene et le l'ammoniac
GB2423353A (en) * 2005-02-19 2006-08-23 Siemens Ind Turbomachinery Ltd A Fuel Injector Cooling Arrangement
US7648085B2 (en) 2006-02-22 2010-01-19 Rain Bird Corporation Drip emitter
CN101363626B (zh) 2007-08-06 2015-05-20 国际壳牌研究有限公司 制造燃烧器前脸的方法
CN201228965Y (zh) * 2007-08-06 2009-04-29 国际壳牌研究有限公司 燃烧器
US8628032B2 (en) 2008-12-31 2014-01-14 Rain Bird Corporation Low flow irrigation emitter
US9877440B2 (en) 2012-03-26 2018-01-30 Rain Bird Corporation Elastomeric emitter and methods relating to same
US20130248622A1 (en) 2012-03-26 2013-09-26 Jae Yung Kim Drip line and emitter and methods relating to same
US9485923B2 (en) 2012-03-26 2016-11-08 Rain Bird Corporation Elastomeric emitter and methods relating to same
US10440903B2 (en) 2012-03-26 2019-10-15 Rain Bird Corporation Drip line emitter and methods relating to same
US9872444B2 (en) 2013-03-15 2018-01-23 Rain Bird Corporation Drip emitter
US10285342B2 (en) 2013-08-12 2019-05-14 Rain Bird Corporation Elastomeric emitter and methods relating to same
USD811179S1 (en) 2013-08-12 2018-02-27 Rain Bird Corporation Emitter part
US10631473B2 (en) 2013-08-12 2020-04-28 Rain Bird Corporation Elastomeric emitter and methods relating to same
US9883640B2 (en) 2013-10-22 2018-02-06 Rain Bird Corporation Methods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines
US9494174B2 (en) * 2014-03-07 2016-11-15 General Electric Company Fluidic buffer volume device with reduced mixedness
US10330559B2 (en) 2014-09-11 2019-06-25 Rain Bird Corporation Methods and apparatus for checking emitter bonds in an irrigation drip line
US10375904B2 (en) 2016-07-18 2019-08-13 Rain Bird Corporation Emitter locating system and related methods
WO2018140772A1 (en) 2017-01-27 2018-08-02 Rain Bird Corporation Pressure compensation members, emitters, drip line and methods relating to same
US10626998B2 (en) 2017-05-15 2020-04-21 Rain Bird Corporation Drip emitter with check valve
USD883048S1 (en) 2017-12-12 2020-05-05 Rain Bird Corporation Emitter part
US11985924B2 (en) 2018-06-11 2024-05-21 Rain Bird Corporation Emitter outlet, emitter, drip line and methods relating to same
CN111059536B (zh) * 2019-12-23 2024-11-15 浙江惠厨节能科技有限公司 将钢管缩口并且在内壁排组细管制成的低噪音炉头
GB2607736B (en) * 2021-06-08 2024-09-11 Hydrogen Tech Llc Burner assemblies and methods
US12207599B2 (en) 2021-10-12 2025-01-28 Rain Bird Corporation Emitter coupler and irrigation system
CN117928220B (zh) * 2024-03-19 2024-05-24 淄博煜鼎新材料科技有限公司 一种赤泥基陶瓷产品烧结辊道窑炉

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480376A (en) * 1968-06-24 1969-11-25 United States Steel Corp Burner for pre-heating a refractory lined vessel
US3545903A (en) * 1969-03-12 1970-12-08 United States Steel Corp Burner for preheating a refractory lined vessel
US3685740A (en) * 1969-10-29 1972-08-22 Air Reduction Rocket burner with flame pattern control
EP0069245A3 (de) * 1981-07-03 1983-11-16 Messer Griesheim Gmbh Aussenmischender Brenngas-Sauerstoff-Brenner
GB8530154D0 (en) * 1985-12-06 1986-01-15 Nordsea Gas Technology Ltd Burner
CS551787A1 (en) * 1986-11-18 1989-05-12 Schingnitz Manfred Gas burner
US5161379A (en) * 1991-12-23 1992-11-10 United Technologies Corporation Combustor injector face plate cooling scheme

Also Published As

Publication number Publication date
EP0718552A1 (de) 1996-06-26
FR2728655A1 (fr) 1996-06-28
ES2136263T3 (es) 1999-11-16
FR2728655B1 (fr) 1997-01-24
US5615833A (en) 1997-04-01
DE69511054D1 (de) 1999-09-02
DE69511054T2 (de) 2000-01-27

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