EP1183482A1 - Rohrförmiger brenner für industrieöfen - Google Patents
Rohrförmiger brenner für industrieöfenInfo
- Publication number
- EP1183482A1 EP1183482A1 EP00927151A EP00927151A EP1183482A1 EP 1183482 A1 EP1183482 A1 EP 1183482A1 EP 00927151 A EP00927151 A EP 00927151A EP 00927151 A EP00927151 A EP 00927151A EP 1183482 A1 EP1183482 A1 EP 1183482A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- individual nozzles
- combustion
- burner
- combustion gas
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
-
- 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
Definitions
- the invention relates to a tubular burner for industrial furnaces, according to the preamble of claim 1.
- a particularly preferred field of application of such a burner is heat treatment systems for mineral goods, for example furnaces or furnace systems for heat treatment or for burning cement clinker, lime, ores and the like, with rotary kilns, calcining furnaces or calcining devices etc. being particularly useful as industrial furnaces or industrial furnace systems come into question.
- the combustion process can be influenced by the design and mode of operation of the burner, in order to adapt the process engineering tasks in such industrial furnaces or furnace systems, for example in adaptation to the respective raw material properties, to the desired quality characteristics of the product to be produced Product, different types of fuel, etc.
- the prescribed emission values, for example with regard to carbon dioxide and nitrogen oxide, of such industrial furnaces must also be complied with, the associated burner - and thus also the corresponding furnace - being operated in an energetically and economically advantageous manner.
- the aim is to use the burner to form an optimal flame in the furnace combustion chamber by causing the supplied combustion air or the supplied combustion gas to be mixed with the supplied fuel.
- the invention is therefore based on the object of improving a burner according to the preamble of claim 1 in such a way that the intermixing of fuel into the entire combustion gas or into the entire combustion air and thus the entire combustion process (ignition, combustion of the fuels, NO ⁇ - Formation, flame shape and length) can be optimally influenced.
- At least one outer annular feed channel is essentially designed as a fuel feed channel, and the combustion gas feed channel provided with the individual nozzles is arranged radially within this fuel feed channel.
- the primary air flowing in through the individual nozzles blows the fuel flowing in through the at least one outer fuel supply channel at least approximately radially outward in the direction of the burner circumference and thus into the secondary air flowing in there, thereby a very intense and rapid input mix of primary air and fuel in the secondary air flowing in from the outside. Due to the position of the individual nozzles (radially within the fuel supply channel), the fuel is mixed into the heated or hot secondary air by a high impulse, which leads to rapid ignition of the fuel. The degree of mixing and mixing of primary and secondary air with fuel (or the fuels) is controlled depending on the respective fuels, the loading of the secondary air with dust and chemicals, and the furnace geometry by appropriate alignment of the radially inner individual nozzles.
- the degree of interference affects the entire combustion process (ie ignition, fuel burnout, NO ⁇ formation, flame shape and length, etc.) significantly.
- this burner according to the invention in a rotary kiln for the production of cement clinker, the heat treatment or. Burning process with a view to achieving good clinker quality and with a high availability of the associated rotary kiln can be optimally controlled.
- the burner designed according to the invention can be used not only in a rotary tube furnace, but also in other industrial furnaces or industrial furnace systems, where a comparable heat treatment or firing process is to be carried out, as is the case, for example is the case in calcining furnaces or calcining devices, in kilns for the burning of lime, for the heat treatment of ores and the like.
- the individual nozzles can not only be parallel, but also with a aligned angles to the outflow direction of the fuel supply channel surrounding them on the outside. It is also conceivable that the alignment angle of the individual nozzles is adjustable. With an oblique orientation of the individual nozzles in relation to the outflow direction of the fuel supply channel surrounding them, it is possible to inject the primary air (or the primary combustion gas) flowing into the combustion chamber through the individual nozzles to a greater or lesser extent divergently . With a skewed arrangement of the individual nozzles in relation to the fuel supply duct surrounding them, a corresponding swirl can also be generated, so that the mixing effect of primary air and fuel with the secondary air and thus the influence on the entire combustion process can be increased accordingly.
- This alignment of the individual nozzles can thus be carried out as a basic setting according to one embodiment, based on optimal knowledge, or the individual nozzles can be readjusted again and again according to the given relationship according to the other embodiment variant (be it during operation, be it during an operation) Shutdown).
- the at least one outer fuel supply channel is essentially intended for the supply of the corresponding fuels (liquid, gaseous or fine-grained or powdery), but there is also a certain proportion of combustion air (in Mixture with the fuels) can be supplied. And in a similar way, the combustion gas supplied via the individual nozzles or the primary gas introduced there If necessary, a certain amount of fuel can be mixed in.
- Fig.l is a schematic longitudinal sectional view of an industrial furnace designed for example as a rotary kiln, which is equipped with a burner designed according to the invention;
- FIG. 2 shows a partially sectioned longitudinal view of the inner burner end section (roughly corresponding to section II in FIG. 1);
- FIG. 3 shows a front view of the inner end of the burner (corresponding to arrow III in FIG. 2).
- the tubular burner 1 designed according to the invention will be described below with reference to a particularly typical application or use example, namely when used on or in a rotary kiln 2 for producing cement clinker.
- a rotary kiln 2 for producing cement clinker.
- this rotary kiln 2 only the burner-side or outlet-side kiln end 2a is illustrated in a very rough and schematic manner in FIG. 1, ie this rotary kiln 2 can be designed in any suitable manner.
- This outlet-side furnace end 2a projects into a conventional furnace outlet head 3, through which the furnace end 2a is connected to the inlet 4a of any suitable cooler 4, which is therefore only briefly indicated in FIG.
- the tubular burner 1 designed according to the invention projects - as is known per se - with its inner end section or mouthpiece la from the front side from the rear and approximately axially into the rotary kiln end 2a, specifically in its combustion chamber 7.
- the burner 1 is - as indicated schematically in Fig.l - in the region of its outer end section 1b located outside the rotary kiln 2 via corresponding supply lines with fuel (dash-dotted arrows 8) and combustion gas, in particular primary air (dashed arrows 9) and possibly even more Pilot fuels and pilot air are supplied in a generally known manner.
- the burner 1 or its mouthpiece 1 a contains a plurality of tube walls arranged with radial distances from one another and coaxially one inside the other, namely an outer tube wall 10, a first inner tube wall 11 lying coaxially and within this outer tube wall 10, and at least one further coaxially within this first inner tube wall 11 lying second or central tube wall 12.
- These tube walls 10, 11, 12 delimit a plurality of separate, approximately cross-sectional feed channels, namely an outer annular feed channel 13, an inner annular feed channel 14 lying coaxially within this outer feed channel 13, and at least one further inner feed channel 15 which, in this case, is illustrated as a feed channel 15 which is approximately circular in cross-section within the central tube wall 12, for example, for a pilot burner or the like which is known per se, for example.
- a number of individual nozzles 16 are distributed in a ring shape, as indicated in FIG.
- the outer (or outermost) annular feed channel is essentially designed as a fuel feed channel 13, as viewed in the cross section of the mouthpiece la, while - as already indicated - the combustion gas or Primary air supply duct 14 is arranged radially within this fuel supply duct 13 (as can be seen in FIGS. 2 and 3).
- FIGS. 2 and 3 further show that the outer fuel supply channel 13 is expediently designed at its end facing the furnace space 7 approximately in the form of an annular nozzle (13a) which opens freely (i.e. openly and essentially unhindered).
- the individual nozzles 16 can in principle - as shown in solid lines in FIGS. 2 and 3 - be aligned in their outflow direction parallel to the burner longitudinal axis ld in order to ensure the improved mixing effect of the fuel described above in the combustion air, in particular in the secondary air.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Combustion Of Fluid Fuel (AREA)
- Gas Burners (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19925875 | 1999-06-07 | ||
DE19925875A DE19925875A1 (de) | 1999-06-07 | 1999-06-07 | Rohrförmiger Brenner für Industrieöfen |
PCT/EP2000/004060 WO2000075565A1 (de) | 1999-06-07 | 2000-05-05 | Rohrförmiger brenner für industrieöfen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1183482A1 true EP1183482A1 (de) | 2002-03-06 |
EP1183482B1 EP1183482B1 (de) | 2006-11-22 |
Family
ID=7910399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00927151A Expired - Lifetime EP1183482B1 (de) | 1999-06-07 | 2000-05-05 | Rohrförmiger brenner für industrieöfen |
Country Status (10)
Country | Link |
---|---|
US (1) | US6638058B1 (de) |
EP (1) | EP1183482B1 (de) |
AT (1) | ATE346262T1 (de) |
AU (1) | AU4562400A (de) |
BR (1) | BR0011354A (de) |
DE (2) | DE19925875A1 (de) |
DK (1) | DK1183482T3 (de) |
ES (1) | ES2272278T3 (de) |
MX (1) | MXPA01012596A (de) |
WO (1) | WO2000075565A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19925875A1 (de) * | 1999-06-07 | 2000-12-14 | Krupp Polysius Ag | Rohrförmiger Brenner für Industrieöfen |
DE102005053819A1 (de) * | 2005-11-11 | 2007-05-16 | Khd Humboldt Wedag Gmbh | Drehofenbrenner |
UA97963C2 (ru) * | 2006-11-29 | 2012-04-10 | Флсмидт А/С | Горелка для ввода твердого, жидкого или газообразного топлива в зону горения обжиговой печи |
JP2010230257A (ja) * | 2009-03-27 | 2010-10-14 | Dainichi Co Ltd | 燃焼装置 |
ES2637192T3 (es) * | 2009-12-30 | 2017-10-11 | Hysytech S.R.L. | Quemador y dispositivo de combustión que comprende dicho quemador |
DE102010061496A1 (de) | 2010-12-22 | 2012-06-28 | Thyssenkrupp Polysius Ag | Rohrförmiger Brenner sowie Verfahren zum Betreiben eines rohrförmigen Brenners |
MX2012006599A (es) | 2012-06-08 | 2013-12-16 | Jorge Rivera Garza | Quemador de combustible gaseoso con elevada eficiencia energetica y de combustion, baja emision de contaminantes y mayor transferencia de calor. |
DE102013004016A1 (de) | 2013-03-08 | 2014-09-11 | Messer Austria Gmbh | Mehrstoffbrenner und Verfahren zum Beheizen eines Ofenraums |
ITMI20131931A1 (it) * | 2013-11-20 | 2015-05-21 | Tenova Spa | Bruciatore industriale autorigenerativo e forno industriale per la conduzione di processi di combustione autorigenerativa |
US20220170626A1 (en) * | 2019-03-15 | 2022-06-02 | Takayuki lno | Multi-tube once-through boiler |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1060082B (de) * | 1953-10-26 | 1959-06-25 | Ofu Ofenbau Union G M B H | Brenner zur wahlweisen Verfeuerung von Brenngasen unterschiedlichen Heizwertes |
US4095929A (en) * | 1977-03-14 | 1978-06-20 | Combustion Engineering, Inc. | Low BTU gas horizontal burner |
US4394120A (en) * | 1981-06-10 | 1983-07-19 | Sredneaziatsky Filial Vniipromgaz | Burner |
CN1007920B (zh) * | 1985-07-15 | 1990-05-09 | 美国氧化公司 | 烃类流体燃料燃烧、控制方法及装置 |
DE3530683A1 (de) * | 1985-08-28 | 1987-03-12 | Pillard Feuerungen Gmbh | Verfahren zur herabsetzung der no(pfeil abwaerts)x(pfeil abwaerts)-emissionen von drehrohroefen und brenner zur durchfuehrung dieses verfahrens |
DE3715453A1 (de) * | 1987-05-08 | 1988-11-24 | Krupp Polysius Ag | Verfahren und brenner zur verfeuerung von brennstoff |
DE4319363A1 (de) * | 1993-06-11 | 1994-12-15 | Kloeckner Humboldt Deutz Ag | Drehofenbrenner |
ATA211493A (de) * | 1993-10-20 | 1996-07-15 | Unitherm Oesterreich Gmbh | Brenner |
US5714113A (en) * | 1994-08-29 | 1998-02-03 | American Combustion, Inc. | Apparatus for electric steelmaking |
DE19627203C2 (de) * | 1996-07-05 | 2000-11-09 | Loesche Gmbh | Brenner |
JPH10110926A (ja) * | 1996-08-14 | 1998-04-28 | Nippon Sanso Kk | 燃焼式除害装置 |
DE19648981B4 (de) * | 1996-11-26 | 2007-02-15 | Polysius Ag | Brenner |
GB9814064D0 (en) * | 1998-06-29 | 1998-08-26 | Boc Group Plc | Partial combustion of hydrogen sulphide |
DE19925875A1 (de) * | 1999-06-07 | 2000-12-14 | Krupp Polysius Ag | Rohrförmiger Brenner für Industrieöfen |
JP2001116212A (ja) * | 1999-10-22 | 2001-04-27 | Hirakawa Guidom:Kk | 先混合方式低NOxガスバーナ |
-
1999
- 1999-06-07 DE DE19925875A patent/DE19925875A1/de not_active Ceased
-
2000
- 2000-05-05 BR BR0011354-9A patent/BR0011354A/pt not_active IP Right Cessation
- 2000-05-05 DK DK00927151T patent/DK1183482T3/da active
- 2000-05-05 MX MXPA01012596A patent/MXPA01012596A/es active IP Right Grant
- 2000-05-05 ES ES00927151T patent/ES2272278T3/es not_active Expired - Lifetime
- 2000-05-05 EP EP00927151A patent/EP1183482B1/de not_active Expired - Lifetime
- 2000-05-05 WO PCT/EP2000/004060 patent/WO2000075565A1/de active IP Right Grant
- 2000-05-05 DE DE50013780T patent/DE50013780D1/de not_active Expired - Lifetime
- 2000-05-05 AT AT00927151T patent/ATE346262T1/de not_active IP Right Cessation
- 2000-05-05 US US10/009,941 patent/US6638058B1/en not_active Expired - Lifetime
- 2000-05-05 AU AU45624/00A patent/AU4562400A/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO0075565A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19925875A1 (de) | 2000-12-14 |
ATE346262T1 (de) | 2006-12-15 |
ES2272278T3 (es) | 2007-05-01 |
AU4562400A (en) | 2000-12-28 |
US6638058B1 (en) | 2003-10-28 |
EP1183482B1 (de) | 2006-11-22 |
DE50013780D1 (de) | 2007-01-04 |
DK1183482T3 (da) | 2007-03-19 |
MXPA01012596A (es) | 2002-04-10 |
WO2000075565A1 (de) | 2000-12-14 |
BR0011354A (pt) | 2002-03-19 |
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