EP2401551A2 - Brenner für eine thermische nachverbrennungsvorrichtung - Google Patents
Brenner für eine thermische nachverbrennungsvorrichtungInfo
- Publication number
- EP2401551A2 EP2401551A2 EP10708909A EP10708909A EP2401551A2 EP 2401551 A2 EP2401551 A2 EP 2401551A2 EP 10708909 A EP10708909 A EP 10708909A EP 10708909 A EP10708909 A EP 10708909A EP 2401551 A2 EP2401551 A2 EP 2401551A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- inner tube
- fuel gas
- flame
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000002737 fuel gas Substances 0.000 claims description 19
- 239000000567 combustion gas Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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 post-combustion device with
- a combustion nozzle arranged in the housing and having a pipe through which fuel gas can pass, which has at least one outlet opening for the fuel gas;
- 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 comparatively high temperature of the flame produced by the burner would be favorable; however, with increasing temperature, the formation of undesirable nitrogen oxides increases.
- a burner of the aforementioned type is described in DE 102 37 604 B4.
- the combustion nozzle used there has a plurality of main outlet openings, via which the fuel gas flows in the radial direction with a certain pressure.
- the radial distance, in which the main outlet - tion of the axis of the fuel nozzle are arranged, as well as, the cross section of the main outlet openings is achieved that form at the main outlet openings individual flames that do not läppen each other substantially.
- the obvious idea is to dissolve the compact flame ball, found in even older burners of the prior art, into a plurality of individual flames, each of which burns at a lower temperature than the flame ball. This concept has proven itself well; however, there is a continuing need to further improve the properties of burners.
- 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, especially in view of the formation of CO and NO can be achieved.
- the combustion nozzle comprises an outer tube and an inner tube which form an annular outlet gap with their end regions;
- the flow path for the fuel gas in the vicinity of the outlet gap has a bottleneck. Due to the inventive design of the fuel nozzle with outer and inner tube and in particular the bottleneck in the end of the flow path, 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.
- Verwirbelungsein- direction ensures despite a compact flame for complete combustion of the entrained impurities in the exhaust gas and the fuel gas by flow vortex generated between exhaust air stream and gas ring. These initially pull the outer areas of the flame partially backwards, but are finally entrained by the exhaust air, so that at low temperature of the combustion chamber, a complete oxidation of the combustible components is achieved.
- the constriction in the flow path of the fuel gas is achieved in that the outer tube in its end gap bounding the outlet gap a in the flow direction of the fuel gas has conically tapered section. Through this section, 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.
- the inner tube has on its outer circumferential surface in its end gap delimiting the outlet gap, in particular a V-shaped cross-section groove. If this groove with the tapered
- outer tube and inner tube are adjustable in the axial direction to each other. In this way it is possible to change the effective area of the exit gap, for example to adapt the burner to different capacities.
- FIG. 1 shows an axial section through the region of a burner located inside the housing of a thermal afterburning apparatus
- FIG. 2 shows, on an enlarged scale, an axial section through the end region of the combustion nozzle of the burner. ners of Figure 1 in a first relative position of two inner components;
- FIG 3 shows a section, similar to Figure 2, in which the inner components of the fuel nozzle are in a second relative position.
- FIG. 10 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, reference is made to the above-mentioned DE 102 37 604 B4. Unless otherwise stated below, the statements there regarding the connection, the design and the mode of operation of the burner 10 apply here in the same way. In particular, the present case also applies that the burner 10 as a whole has its free end region in an opening 15 of a combustion chamber wall
- 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 can also have the design described in DE 102 37 604 B4. 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. In this way, in the outer circumferential surface of the inner tube 1, a kind of V-shaped groove 3c. Between the free edge of the
- Section 2a of the outer tube 2 and the groove 3c is an annular nozzle-outlet slit 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.
- Interspace 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 the space between the outer tube
- the exhaust air to be cleaned flows through the swirling device 3 into the flame 17 thus formed, which is strongly swirled around the flame 17.
- the contaminants contained in the exhaust air are now burned, effectively suppressing both the formation of NO and the formation of CO.
- 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 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)
Abstract
Description
Claims
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 (de) | 2009-02-24 | 2010-02-23 | Brenner für eine thermische nachverbrennungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2401551A2 true EP2401551A2 (de) | 2012-01-04 |
EP2401551B1 EP2401551B1 (de) | 2019-05-29 |
Family
ID=42226095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10708909.6A Active EP2401551B1 (de) | 2009-02-24 | 2010-02-23 | Brenner für eine thermische nachverbrennungsvorrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US9194580B2 (de) |
EP (1) | EP2401551B1 (de) |
CN (1) | CN102405375B (de) |
BR (1) | BRPI1008590A2 (de) |
DE (1) | DE102009010274B4 (de) |
MX (1) | MX2011008932A (de) |
PL (1) | PL2401551T3 (de) |
RU (1) | RU2545604C2 (de) |
WO (1) | WO2010097197A2 (de) |
Families Citing this family (2)
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 |
Family Cites Families (24)
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 |
US4447010A (en) * | 1982-02-26 | 1984-05-08 | Chugai Ro Co., Ltd. | Proportional regulation oil burner of low pressure air type |
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 |
-
2009
- 2009-02-24 DE DE102009010274.4A patent/DE102009010274B4/de active Active
-
2010
- 2010-02-23 US US13/203,175 patent/US9194580B2/en not_active Expired - Fee Related
- 2010-02-23 PL PL10708909T patent/PL2401551T3/pl unknown
- 2010-02-23 CN CN201080008992.2A patent/CN102405375B/zh not_active Expired - Fee Related
- 2010-02-23 RU RU2011138957/06A patent/RU2545604C2/ru not_active IP Right Cessation
- 2010-02-23 MX MX2011008932A patent/MX2011008932A/es active IP Right Grant
- 2010-02-23 EP EP10708909.6A patent/EP2401551B1/de active Active
- 2010-02-23 BR BRPI1008590A patent/BRPI1008590A2/pt not_active Application Discontinuation
- 2010-02-23 WO PCT/EP2010/001113 patent/WO2010097197A2/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010097197A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010097197A2 (de) | 2010-09-02 |
DE102009010274B4 (de) | 2014-06-18 |
US9194580B2 (en) | 2015-11-24 |
RU2545604C2 (ru) | 2015-04-10 |
CN102405375A (zh) | 2012-04-04 |
BRPI1008590A2 (pt) | 2016-03-15 |
CN102405375B (zh) | 2015-01-28 |
MX2011008932A (es) | 2011-10-14 |
PL2401551T3 (pl) | 2020-01-31 |
US20120037053A1 (en) | 2012-02-16 |
WO2010097197A3 (de) | 2011-10-27 |
RU2011138957A (ru) | 2013-04-10 |
DE102009010274A1 (de) | 2010-09-02 |
EP2401551B1 (de) | 2019-05-29 |
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