EP2401551B1 - Brûleur pour dispositif de postcombustion thermique - Google Patents

Brûleur pour dispositif de postcombustion thermique Download PDF

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Publication number
EP2401551B1
EP2401551B1 EP10708909.6A EP10708909A EP2401551B1 EP 2401551 B1 EP2401551 B1 EP 2401551B1 EP 10708909 A EP10708909 A EP 10708909A EP 2401551 B1 EP2401551 B1 EP 2401551B1
Authority
EP
European Patent Office
Prior art keywords
burner
inner tube
combustion
tube
outer tube
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.)
Active
Application number
EP10708909.6A
Other languages
German (de)
English (en)
Other versions
EP2401551A2 (fr
Inventor
Christof Gminder
Apostolos Katefidis
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.)
Eisenmann SE
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Priority to PL10708909T priority Critical patent/PL2401551T3/pl
Publication of EP2401551A2 publication Critical patent/EP2401551A2/fr
Application granted granted Critical
Publication of EP2401551B1 publication Critical patent/EP2401551B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • 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
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • 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
    • F23D2900/14—Special features of gas burners
    • F23D2900/14481—Burner nozzles incorporating flow adjusting means

Definitions

  • the invention relates to a burner for a thermal afterburning apparatus according to the preamble of claim 1.
  • Thermal afterburning devices should burn as completely as possible with the best possible efficiency, that is to say with the lowest possible burner output, which should as far as possible incinerate the impurities entrained in the waste air to be disposed of. From the point of view of complete combustion, a relatively high temperature of the flame produced by the burner would be favorable; however, the formation of unwanted nitrogen oxides increases with increasing temperature.
  • a burner of the type mentioned is from the WO 01/42711 A1 known. Similar burners are in the US 3,984,196 A and the FR 2 366 517 A described.
  • Object of the present invention is to provide a burner of the type mentioned in such a way that with a simple structure particularly good combustion values, in particular in view of the formation of CO and NO X can be achieved.
  • a particularly compact flame is achieved in cooperation with the exhaust air stream, whose outer shape can be roughly referred to as "bell-shaped". It has a comparatively small surface area for a given volume and is therefore, according to popular opinion, not actually suitable for achieving good combustion values. It has previously been assumed that in such compact flames, the combustion temperature is too high and therefore too high levels of NO X are unavoidable.
  • the fuel gas is directed in the vicinity of the exit slit on the inner tube, which promotes the formation of the desired flame shape.
  • V-shaped groove of the inner tube cooperates with the tapered end portion of the outer tube, there is a flow of the fuel gas, in which the resulting flame has a particular degree of the desired properties.
  • outer tube and inner tube are adjustable in the axial direction to each other, it is possible to change the effective area of the exit slit, for example, to adapt the burner to different capacities.
  • an ignition electrode is accommodated in the interior of the inner tube.
  • FIG. 1 Referenced There is that portion of a generally designated by the reference numeral 10 burner is shown, which is disposed within the insulated outer casing of a thermal post-combustion device. Because of the "environment" in which this burner 10 is used, the already mentioned above DE 102 37 604 B4 Referenced. Unless otherwise stated below, the statements there for the connection, the design and the type of operation of the burner 10 apply here in the same way. In particular, in the present case as well, the burner 10 as a whole is introduced with its free end region into an opening 15 in a combustion chamber wall 14 of the thermal afterburning apparatus.
  • the burner 10 has a cylindrical burner housing 12, which carries a swirling device 13 at its end facing the combustion chamber 16.
  • This swirling device 13 may also have the construction that in the DE 102 37 604 B4 is described. It lies with its outer circumference more or less close to the opening 15 of the combustion chamber wall 14.
  • the actual combustion nozzle 1 is positioned, which in turn an outer tube 2 and, coaxially within this, an inner tube 3 comprises.
  • the outer tube 2 has at its free, lying within the combustion chamber 16 end portion a conically on the end to be converged portion 2a.
  • the inner tube 3, however, has in its lying within the combustion chamber 16 end portion has a conically tapered to the end portion 3a and, further to the free end, a re flared section 3b.
  • a kind of V-shaped groove 3c is provided between the free edge of the portion 2a of the outer tube 2 and the groove 3c, there is an annular nozzle discharge gap 4th
  • the annular space between the burner housing 12 and the outer tube 2 of the combustion nozzle 1 is located in the field of view of a UV diode, which serves to monitor the burning process in a known manner.
  • the annular space between the outer tube 2 and the inner tube 3 of the fuel nozzle 1 is connected in a manner not shown in the drawing with a fuel gas source.
  • a firing electrode 5 is inserted in the interior of the inner tube 3.
  • the annular space between inner tube 3 and ignition electrode 5 can be charged with a starting gas.
  • the burner 10 described above operates as follows: The fuel gas is supplied to the space between the outer tube 2 and the inner tube 3 of the fuel nozzle 1 at a certain pressure. Its flow rate can be increased in the supply line through a Venturi nozzle, as is known. The fuel gas then exits through the outlet gap 4. In order to ignite the burner 10, ignition gas is introduced into the intermediate space between the inner tube 3 and the ignition electrode 5 and ignited with the aid of the ignition electrode 5. This in turn leads to the ignition of the fuel gas. In the flow direction behind the outlet gap 4 now forms a flame 17 whose outer contour is similar to a bell.
  • the effective cross section of the outlet gap 4 can be changed in order to obtain an optimum flame shape for the given application and the lowest possible formation of NO x and CO.

Landscapes

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

Claims (2)

  1. Brûleur destiné à un dispositif de postcombustion thermique, comprenant
    a) un carter (12) ;
    b) une buse de combustion (1), logée dans ledit carter (12) et munie d'une tubulure (2) pouvant être parcourue par des gaz de combustion et comportant au moins un orifice de sortie (4) dédié auxdits gaz de combustion ;
    c) un dispositif (13) générateur de tourbillons, implanté dans une région extrême dudit carter (12) et pouvant être parcouru par les gaz d'échappement à épurer ;
    sachant que
    d) ladite buse de combustion (1) inclut une tubulure extérieure (2) et une tubulure intérieure (3) délimitant un interstice annulaire de sortie (4), par leurs régions extrêmes ;
    e) l'espace interne, entre ladite tubulure extérieure (2) et ladite tubulure intérieure (3), peut être parcouru par des gaz de combustion jusqu'audit interstice de sortie (4) ;
    f) le trajet de circulation, dévolu auxdits gaz de combustion, présente une zone d'étranglement à proximité dudit interstice de sortie (4) ;
    g) ladite tubulure extérieure (2) comporte, dans sa région extrême délimitant ledit interstice de sortie (4), un tronçon (2a) se rétrécissant tronconiquement dans la direction de circulation desdits gaz de combustion ;
    h) ladite tubulure intérieure (3) est pourvue dans la surface de son enveloppe extérieure, dans sa région extrême délimitant ledit interstice de sortie (4), d'une rainure (2c) dont la section transversale est notamment configurée en V;
    i) ladite tubulure extérieure (2) et ladite tubulure intérieure (3) peuvent être réglées l'une par rapport à l'autre dans le sens axial.
  2. Brûleur selon la revendication 1, caractérisé par le fait qu'une électrode d'amorçage (5) est logée dans l'espace interne de la tubulure intérieure (3).
EP10708909.6A 2009-02-24 2010-02-23 Brûleur pour dispositif de postcombustion thermique Active EP2401551B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10708909T PL2401551T3 (pl) 2009-02-24 2010-02-23 Palnik dla urządzenia do dopalania termicznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009010274.4A DE102009010274B4 (de) 2009-02-24 2009-02-24 Brenner für eine thermische Nachverbrennungsvorrichtung
PCT/EP2010/001113 WO2010097197A2 (fr) 2009-02-24 2010-02-23 Brûleur pour dispositif de postcombustion thermique

Publications (2)

Publication Number Publication Date
EP2401551A2 EP2401551A2 (fr) 2012-01-04
EP2401551B1 true EP2401551B1 (fr) 2019-05-29

Family

ID=42226095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10708909.6A Active EP2401551B1 (fr) 2009-02-24 2010-02-23 Brûleur pour dispositif de postcombustion thermique

Country Status (9)

Country Link
US (1) US9194580B2 (fr)
EP (1) EP2401551B1 (fr)
CN (1) CN102405375B (fr)
BR (1) BRPI1008590A2 (fr)
DE (1) DE102009010274B4 (fr)
MX (1) MX2011008932A (fr)
PL (1) PL2401551T3 (fr)
RU (1) RU2545604C2 (fr)
WO (1) WO2010097197A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014018178A1 (de) * 2014-12-09 2016-06-09 Eisenmann Se Thermische Nachverbrennungsanlage
US10126015B2 (en) 2014-12-19 2018-11-13 Carrier Corporation Inward fired pre-mix burners with carryover

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447010A (en) * 1982-02-26 1984-05-08 Chugai Ro Co., Ltd. Proportional regulation oil burner of low pressure air type

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680057C (de) * 1936-08-27 1939-08-21 Richard Rueckheim Gasbrenner
US2368178A (en) * 1943-01-26 1945-01-30 Hauck Mfg Co Combination burner for liquid and gaseous fuels
US2366517A (en) 1943-03-27 1945-01-02 Standard Oil Dev Co Lubricating composition
SU425019A1 (ru) * 1972-03-28 1974-04-25 ГОРЕЛОЧНОЕ УСТРОЙСТВО С РЕГУЛИРУЕМОЙ СВЕТИМОСТЬЮ ФАКЕЛАГ\ J-lГЛ- i i
US3984196A (en) * 1974-05-28 1976-10-05 Kurt Zenkner Method and burner for combustion of waste air
DE2643797A1 (de) * 1976-09-29 1978-04-06 Bayer Ag Verfahren und vorrichtung zum thermischen reinigen von abluft
DE2745493A1 (de) * 1977-10-10 1979-04-19 Bayer Ag Verfahren und vorrichtung zur verbrennung explosibler gase
SU688774A1 (ru) * 1977-10-18 1979-09-30 Институт черной металлургии Горелка
DE3027587A1 (de) * 1980-07-21 1982-02-25 Klöckner-Humboldt-Deutz AG, 5000 Köln Brenner fuer feste brennstoffe
DE3518080A1 (de) * 1985-05-20 1986-11-20 Stubinen Utveckling AB, Stockholm Verfahren und vorrichtung zum verbrennen fluessiger und/oder fester brennstoffe in pulverisierter form
DE3715453A1 (de) * 1987-05-08 1988-11-24 Krupp Polysius Ag Verfahren und brenner zur verfeuerung von brennstoff
DK168460B1 (da) 1991-12-06 1994-03-28 Topsoe Haldor As Hvirvelbrænder
US5199866A (en) * 1992-03-30 1993-04-06 Air Products And Chemicals, Inc. Adjustable momentum self-cooled oxy/fuel burner for heating in high temperature environments
DE19738233A1 (de) * 1997-07-16 1998-02-26 Koehne Heinrich Dr Ing Mischeinrichtung für flüssige, gas- und/oder staubförmige Brennstoffe
FR2802615B1 (fr) * 1999-12-07 2002-02-15 Atofina Injecteur utilisable dans un dispositif pour la combustion de produits corrosifs
US6315551B1 (en) * 2000-05-08 2001-11-13 Entreprise Generale De Chauffage Industriel Pillard Burners having at least three air feed ducts, including an axial air duct and a rotary air duct concentric with at least one fuel feed, and a central stabilizer
RU2179685C1 (ru) * 2000-08-07 2002-02-20 Тишин Анатолий Петрович Горелка для сжигания газов
DE10051221A1 (de) * 2000-10-16 2002-07-11 Alstom Switzerland Ltd Brenner mit gestufter Brennstoff-Eindüsung
RU2213299C1 (ru) * 2002-03-11 2003-09-27 Общество с ограниченной ответственностью "КНПЦ" Газовая горелка
GB0209365D0 (en) * 2002-04-24 2002-06-05 Boc Group Plc Injection of solids into liquids
DE10237604B4 (de) 2002-08-16 2006-07-06 Eisenmann Maschinenbau Gmbh & Co. Kg Nachverbrennungseinrichtung mit einem Brenner
DE10332860A1 (de) * 2003-07-18 2005-02-10 Linde Ag Gasbrenner
US8113821B2 (en) * 2008-03-07 2012-02-14 Hauck Manufacturing Company Premix lean burner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447010A (en) * 1982-02-26 1984-05-08 Chugai Ro Co., Ltd. Proportional regulation oil burner of low pressure air type

Also Published As

Publication number Publication date
BRPI1008590A2 (pt) 2016-03-15
RU2011138957A (ru) 2013-04-10
DE102009010274A1 (de) 2010-09-02
MX2011008932A (es) 2011-10-14
PL2401551T3 (pl) 2020-01-31
US20120037053A1 (en) 2012-02-16
EP2401551A2 (fr) 2012-01-04
RU2545604C2 (ru) 2015-04-10
WO2010097197A2 (fr) 2010-09-02
WO2010097197A3 (fr) 2011-10-27
US9194580B2 (en) 2015-11-24
CN102405375A (zh) 2012-04-04
DE102009010274B4 (de) 2014-06-18
CN102405375B (zh) 2015-01-28

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