WO2009047260A2 - Brûleur pour four industriel - Google Patents

Brûleur pour four industriel Download PDF

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Publication number
WO2009047260A2
WO2009047260A2 PCT/EP2008/063441 EP2008063441W WO2009047260A2 WO 2009047260 A2 WO2009047260 A2 WO 2009047260A2 EP 2008063441 W EP2008063441 W EP 2008063441W WO 2009047260 A2 WO2009047260 A2 WO 2009047260A2
Authority
WO
WIPO (PCT)
Prior art keywords
combustion chamber
burner
recuperator
head
outlet opening
Prior art date
Application number
PCT/EP2008/063441
Other languages
German (de)
English (en)
Other versions
WO2009047260A3 (fr
Inventor
Horst Graf Von Schweinitz
Original Assignee
Ibs Industrie-Brenner-Systeme Gmbh
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 Ibs Industrie-Brenner-Systeme Gmbh filed Critical Ibs Industrie-Brenner-Systeme Gmbh
Publication of WO2009047260A2 publication Critical patent/WO2009047260A2/fr
Publication of WO2009047260A3 publication Critical patent/WO2009047260A3/fr

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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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/66—Preheating the combustion air or gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/04—Arrangements of recuperators
    • 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 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/03005—Burners with an internal combustion chamber, e.g. for obtaining an increased heat release, a high speed jet flame or being used for starting the combustion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

  • the present invention relates to a recuperator burner according to the preamble of claim 1 for an industrial furnace which serves directly or indirectly for heating a workpiece.
  • Such recuperator burners are operated with gaseous or liquid fuels, wherein several firing stages are provided in the burner in order to obtain the required temperatures for heating the workpiece.
  • the fuel via a fuel supply line, also called B renn fabric Ia nze, in the interior of the burner, in particular the combustion chamber, passed.
  • a flame holder is usually provided at the end of the fuel lance.
  • the flame holder extends transversely to a longitudinal direction of the burner and serves to direct the flames of the burner forward.
  • the interior of the combustion chamber serves as a first combustion stage, in which the fuel gas is mixed with a first combustion air and pre-burned.
  • the aforementioned combustion air is also referred to as primary combustion air and is introduced into the interior through the combustion chamber parallel to the fuel (in the fuel lance).
  • the combustion chamber itself has a front end, which is increasingly tapered in cross-section or nozzle-shaped.
  • the pre-combusted within the combustion chamber mixture of primary combustion air and the fuel gas is discharged through an outlet opening in the front end of the combustion chamber and reacts there with additional combustion air, which is also referred to as secondary combustion air.
  • This additional combustion air is passed between the combustion chamber and a recuperator head, which partially surrounds the combustion chamber in the region of the front end.
  • the secondary combustion air is preheated by a hot exhaust gas of the burner, which flows along an outer side of the recuperator head. By preheating the secondary combustion air can then reach the desired combustion temperatures in the second combustion stage.
  • the additional combustion air exits in the region of the front end through a passage, which is arranged close to the outlet opening of the combustion chamber. Subsequently, the pre-combusted mixture from the combustion chamber is post-combusted with the secondary combustion air, which is the second combustion stage.
  • recuperator burners on so-called Mantelstrahlisserohre the workpieces, wherein in the Mantelstrahlisseröhren the hot combustion gases of the burner are passed, it is an indirect heating of the workpiece. It is also conceivable to use the aforementioned recuperator burners for direct heating of a workpiece, wherein the workpieces are arranged within an interior of the industrial furnace and come into contact with the combustion gases of the burner. In this heating of the workpiece is also spoken of the direct heating.
  • recuperator burner in which the existing flame holder is fastened to the fuel lance within the combustion chamber.
  • a lock between the flame holder and the combustion chamber provided to extract the combustion chamber with the fuel I sze in a simple manner via the flame holder from the burner or use.
  • the assembly or disassembly effort of the burner can be significantly reduced.
  • a passage in the form of an annular gap between the combustion chamber and the recuperator head is provided.
  • the gap is only a few millimeters, so that depending on the existing temperature, the recuperator head also bears against the front end of the combustion chamber and thus exerts a pressure on the combustion chamber in the region of the outlet opening or the passage. This results in practice again and again to a destruction of the fuel chamber, which often consists of a ceramic material.
  • the present invention is therefore based on the object to provide a recuperator burner, which has a long service life and allows safe operation of the burner. Furthermore, a destruction in the region of the outlet opening should be largely avoided.
  • a resistance means is present at the outlet opening of the combustion chamber, whereby a heat flow from the combustion chamber in the region of the outlet opening to the recuperator head can be reduced. Since the precombustion of the fuel with the primary combustion air, which may already be preheated, takes place in the combustion chamber, high temperatures are already present in the combustion chamber through the pre-combusted mixture.
  • the recuperator in the outlet opening of the combustion chamber temperature of about 1, 500 0 C while the recuperator is cooled from its inside by a secondary combustion air is preheated by hot waste gases from the recuperator burner to approximately 700 0 C.
  • the hot exhaust gases in turn flow along an outside of the recuperator head, resulting in a further heat flow.
  • the temperatures in the exhaust gas, which surrounds the recuperator head from the outside, are about 1 .200 0 C. Due to the present temperature differences in the front end of the combustion chamber and the different expansion coefficients of the combustion chamber and the recuperator head may cause mechanical stresses, causing the Combustion chamber in the front end, especially in the region of the outlet opening, can be destroyed quickly.
  • thermal resistance means By means of the thermal resistance means according to the invention, it is now possible to reduce a heat flow between the combustion chamber and the recuperator head in the region of the outlet opening of the combustion chamber or of the passage of the recuperator head. Consequently, the resulting mechanical stress in the aforementioned range can also be reduced. It can be ensured here that the recuperator head exerts no pressure and thus no forces on the outlet opening of the combustion chamber. Thus, a safe operation of the burner can be made possible, whereby the operating time can be extended.
  • the combustion chamber comprises a ceramic material, which in particular contains silicon carbide.
  • the recuperator head may contain a high-temperature-resistant metal alloy, which is based in particular on a nickel alloy.
  • a high-temperature-resistant metal alloy which is based in particular on a nickel alloy.
  • the combustion chamber and the recuperator can be constructed rotationally symmetrical, whereby the mentioned gap between the combustion chamber and the recuperator head can be ring-shaped.
  • the gap may also have other shapes.
  • the gap usually has a continuous gap width, which, however, can also vary significantly with expansions.
  • These extensions may be arcuate, semicircular, rectangular, or the like. One or more extensions may form the mentioned gap.
  • the thermal resistance means forms a collar to the outlet opening of the combustion chamber, which is arranged substantially in the passage of the recuperator head.
  • the mentioned collar can have various configurations in which, for example, a wall directed transversely to the longitudinal direction of the burner or a wall directed in parallel is used, which is used as a heat resistance means. It is also conceivable that both a transverse and a parallel wall is provided for the thermal resistance means.
  • the thermal resistance agent is present as an additional component to the burner chamber. This additional component can, for example, via a form-fitting Connection can be arranged at the outlet opening of the burner chamber. Consequently, due to the special geometric configuration, the thermal resistance means formed as a collar can reduce the heat flow between the combustion chamber and the recuperator head.
  • a resistance means may be arranged as an L-shaped extension on an outlet opening of the combustion chamber.
  • This L-shaped extension resembles a stand-up collar and has the advantage that the hot pre-combusted mixture can not follow the abrupt extension of the outlet opening formed by the L-shaped extension of the thermal resistance means.
  • the longitudinally oriented, parallel wall of the thermal resistance means does not come into full contact with the pre-combusted mixture, whereby the transferred heat flow in this area can also be reduced.
  • the thermal resistance means forms a double wall of the outlet opening, wherein on the one hand a transverse wall and a parallel wall are provided as a heat resistance means.
  • This U-shaped flange of the combustion chamber in the region of the outlet opening is similar to a turtle neck and has the additional advantage that the cavity between the two outer walls - the parallel legs of the U - the combustion chamber additionally with a filler material, such as ceramic insulating fiber or the like, can be completed. Thus, the heat flow from the combustion chamber to the recuperator head can be further reduced.
  • heat transfer surfaces may be disposed on the recuperator head to increase a heat flow between the hot exhaust gas of the combustor on an outside of the recuperator head and the additional secondary combustion air on an inside of the recuperator head.
  • the secondary combustion air can continue to heat up, so that overall the performance of the burner is increased.
  • the heat transfer surfaces can even streamlined as protruding Ribs protrude from the outside of the recuperator head. It is also conceivable to provide the inside of the recuperator head with heat transfer surfaces, so that here is a transfer of a larger amount of heat to be heated, secondary combustion air is possible. Care should be taken with the internal heat transfer surfaces that they do not lead to a pressure loss in the secondary combustion air.
  • the hot exhaust of the burner can be used to preheat the primary combustion air.
  • the thermal resistance agent is of the same material and configured in one piece with the combustion chamber.
  • this thermal resistance means forms a continuous continuation of the exhaust port of the combustion chamber.
  • additional component is used as a heat resistance means, which may also be configured of the same material to the combustion chamber.
  • it makes sense to design the thermal resistance material materialindifferent to the combustion chamber, wherein in particular the material of the thermal resistance means has a lower thermal conductivity than the material of the combustion chamber.
  • a positive connection can be provided.
  • a screw or bayonet connection is particularly suitable, as a result of which the heat resistance means can be arranged securely and releasably but detachably at the outlet opening of the combustion chamber.
  • a counter holding means may be provided on the combustion chamber, which cooperates with a holding means on the additional heat resistance means form fit.
  • the holding means on the heat resistance means may be provided as a projection, in particular an external thread, which cooperates with a recess as a counter-holding means, in particular in the form of an internal thread.
  • other mechanical connections between the designed as an additional component heat resistance means and the combustion chamber conceivable as well as a kinematic reversal between the described holding and counter holding means.
  • thermal resistance means designed as an additional component to be adaptable in shape and size to the passage of the recuperator head or to the outlet opening of the combustion chamber.
  • the heat resistance means may comprise a heat shield, which is arranged substantially transversely to the longitudinal direction of the burner.
  • breakthroughs may be provided in the heat shield, which serve to pass the additional, secondary combustion air.
  • the breakthroughs can enforce the heat shield even in the longitudinal direction of the burner.
  • the heat shield it is possible to ensure that the combustion chamber and the recuperator head in the area of the outlet opening or the passage are protected from excessive heat which results from the afterburning of the pre-combusted mixture with the secondary combustion air.
  • the heat shield can also reliably prevent the hot exhaust gases of the burner do not impinge on the burner in the region of the outlet opening or the passage.
  • the entire combustion chamber is arranged reversibly interchangeable by means of a hook closure on the burner, wherein the hook closure a holding means and a Containant means, and the holding means is provided on the combustion chamber.
  • the holding means may for example consist of a bore or a slot which cooperates positively with a counter-holding means.
  • the counter-holding means can then itself consist of a projection which engages in the holding means.
  • FIG. 1 a shows a side view of the components of the recuperator burner which are essential to the invention with a U-shaped heat-resistant means
  • Figure 1 c enlarged detail of a lower edge of the outlet opening
  • FIG. 1 b
  • FIG. 2a shows a side view of a further exemplary embodiment of the combustion chamber and the recuperator head with an L-shaped heat resistance means
  • FIG. 2b is a longitudinal section IIb-IIb through FIG. 2a,
  • FIG. 3a shows a side view of a further exemplary embodiment of a combustion chamber and a recuperator head with a heat resistance means designed as an additional component
  • FIG. 3b shows a longitudinal section IIIb-IIIb through FIG. 3a
  • FIG. 4 a side view of a further exemplary embodiment of a combustion chamber and a recuperator head with a heat resistance means and a heat shield,
  • Figure 5 is a schematic front view of another embodiment with a specially designed gap between a combustion chamber and a recuperator head.
  • FIG. 1 a shows a side view of a combustion chamber 11 and of a recuperator head 12 of a recuperator burner 10.
  • the combustion chamber 1 1 with its front end 1 1.1 partially disposed in the recuperator 12.
  • a fuel line 18 with a flame holder 19 arranged thereon has been shown with broken lines.
  • the fuel Ia nze 18 of the gaseous or liquid fuel Il is introduced into the combustion chamber 1 1.
  • primary combustion air I which flows in parallel to the fuel web Ia 18 and surrounds it. After the fuel Il from the fuel lance 18 enters the combustion chamber n, this mixes with the primary combustion air I and is precombusted within the combustion chamber n.
  • This pre-combusted mixture III exits through an outlet opening 1 1.2 of the combustion chamber n and is mixed with an additional secondary combustion air IV and further burned.
  • the exhaust gas V of the burner 10 is formed.
  • This exhaust gas V can be introduced into a flame tube 22, which is arranged within a jacket radiant heat pipe, or directly into an interior of the industrial furnace.
  • FIG. 1b shows a longitudinal section Ib from FIG. 1a.
  • the operation of the recuperator burner 10 from FIG. 1 b also becomes clear, since here the individual streams of the combustion air I, the fuel II, the pre-combusted mixture III and the additional combustion air IV and the exhaust gas of the burner V are shown schematically as arrows.
  • a flame tube 22, as shown in Figure 1 a shown in dashed lines in Figure 1 b.
  • a tube element 20 and an outer tube element 21 are shown by dashed lines, whereby the supply of the combustion air I, IV is made possible, both of which can be preheated by the exhaust gas V.
  • the primary combustion air I passes through the tubular element 20 z. B. parallel to the fuel Ia nze 18 in the combustion chamber n.
  • the additional secondary combustion air IV is conveyed through the outer tubular element 21 into the recuperator head 12, wherein the secondary combustion air IV is preheated by a first heat flow 50 to approximately 700 ° C. in the recuperator head 12.
  • the recuperator head 12 is heated on its outer side 12.4 by the recirculated exhaust gas V of the burner 10.
  • the existing amount of heat is transferred via the wall of the recuperator 12 to the secondary combustion air IV.
  • the secondary combustion air IV is carried out between an inner side 12.3 of the recuperator head 12 and an outer side 1.4 of the combustion chamber 11 and thus reaches a passage 12.1 which consists of a preferably annular gap 13 between the combustion chamber Combustion chamber 1 1 and the recuperator 12 in the region of the outlet opening 1 1 .2 consists.
  • a passage 12.1 which consists of a preferably annular gap 13 between the combustion chamber Combustion chamber 1 1 and the recuperator 12 in the region of the outlet opening 1 1 .2 consists.
  • Another exemplary embodiment for the gap 13 is shown in FIG.
  • the invention relevant to heat resistance means 15 is arranged.
  • the heat resistance means 15 is in one piece and of the same material to the combustion chamber 1 1 available.
  • the thermal resistance means 15 surrounds the outlet opening 1 1.2 as a U-shaped flanging and is similar to a turtle neck 1 1 .5. It includes the Thermal resistance means 15 on the one hand a transverse to the longitudinal direction 14 directed wall 15.1 and on the other hand, a parallel wall 15.2.
  • FIG. 1 c an enlargement of the lower cut edge of the outlet opening 1 1 .2 of Figure 1 b is shown. Furthermore, an arrow for the second heat flow 51 in the region of the outlet opening 1 1 .2 is also shown schematically in FIG. 1 c. It becomes clear that the amount of heat transferred not only has to overcome the combustion chamber wall in order to reach the recuperator head 12 at this point, but the heat flow must now also overcome the heat resistance means 15, one part flowing directly through the heat resistance means 15 and another part through a clearance must.
  • the aforementioned clearance is formed by the U-shaped flanging of the combustion chamber wall and the parallel wall 15.2 of the thermal resistance means 15.
  • a filling of ceramic insulating fiber can be used to further reduce the heat flow in the region of the outlet opening 1 1.2 between the combustion chamber 1 1 and the recuperator 12.
  • the filling of ceramic insulating fiber can completely fill the annular space, wherein it does not affect the flow of the secondary combustion air IV.
  • FIG. 2 a shows a further exemplary embodiment of the combustion chamber 1 1 and the recuperator head 12 in a side view.
  • an L-shaped thermal resistance means 15 is used as an extension of the outlet opening 1 1 .2, which is similar to a stand-up collar 1 1 .5.
  • the design of the thermal resistance means 15 is clearly visible in the longitudinal section IIb.
  • the combustion chamber 1 1 tapers forward in its cross section and forms a front end 1 1 .1, on which the outlet opening 1 1 .2 is arranged.
  • This front end 1 1.1 is designed nozzle-shaped in order to influence the flow of the pre-combusted mixture III accordingly.
  • the heat resistance means 15 of the same material and in one piece to the combustion chamber 1 1 designed.
  • the thermal resistance means 15 essentially a sudden expansion of Outlet opening 1 1.2, which includes a transverse wall 15.1 and a parallel wall 15.2. Due to the sudden expansion of the outlet opening 1 1 .2, which is formed by the heat resistance means 15, the main stream of the pre-combusted mixture III is discharged from the combustion chamber n without direct contact to the heat resistance means 15, in particular to the parallel wall 15.2.
  • the transmission of the heat flow 51 through the transverse wall 15.1 of the thermal resistance means 15 is additionally made more difficult.
  • FIGS. 3a and 3b show the second basic variant of the thermal resistance means 15.
  • an additional component is used as a thermal resistance means 15, which is arranged from the outside on the outlet opening 1 1.2. It is also conceivable that thermal resistance means 15 also to be arranged inside the outlet opening 1 1 .2, so that the heat resistance means 15 is surrounded by the outlet opening 1 1.2 from the outside.
  • FIG. 3b shows a longitudinal section IMb through FIG. 3a.
  • the thermal resistance means 15 designed as an additional component 15.3 is held reversibly releasably on the outside at the outlet opening 1 1.2 by means of a positive connection 17.
  • the positive connection 17 serves to ensure that the combustion chamber 1 1 and the heat resistance means 15 form a unit which can be pulled together during assembly or disassembly out of the burner 10 or pushed into it.
  • the mentioned positive connection 17 can be formed by a screw or bayonet connection 17.
  • a holding means 17.1 is arranged on the nut-shaped heat resistance means 15.
  • This holding means 17.1 is formed by a projection.
  • the projection cooperates positively with a recess which forms the counter-holding means 17.2 on the outer side 1.4 of the combustion chamber n.
  • the holding means 17.1 may be configured as an external thread, whereas the counter-holding means 17.2 is to be provided as an internal thread.
  • a kinematic reversal between holding means 17.1 and counter-holding means 17.2 take place.
  • the combustion chamber 1 1 has a further holding means 16. 1 which serves for a hook closure 16.
  • This hook closure 16 for example, connects the combustion chamber 1 1 with the tubular element 20 in a form-fitting manner.
  • the holding means 16.1 can be arranged as a hole or hole at the rear end of the combustion chamber 1 1.
  • FIGS. 4a and 4b show an additional embodiment of the invention.
  • the thermal resistance means 15 is provided with an additional heat shield 15.4.
  • the heat resistance means 15 itself forms an additional component 15.3, on which the heat shield 15.4 is arranged in the same material and in one piece.
  • the heat shield 15.4 is itself arranged substantially transversely to the longitudinal direction 14 of the burner 10, wherein in the heat shield 15.4 openings are provided in the longitudinal direction 14 of the burner, which serve for the passage of the secondary combustion air IV.
  • the heat shield 15.4 shields a front side of the recuperator head 12 so that exhaust gases V flowing back do not lead to additional heating of the recuperator head 12 in the region of the passage 12.1.
  • the thermal resistance means 15 with the heat shield 15.4 disposed thereon is likewise connected to the combustion chamber n via a form-locking connection 17.
  • the recuperator head 12 must first be pushed over the front end 1 1.1 of the combustion chamber n, in order to then be able to mount the heat resistance means 15 with the heat shield 15.4.
  • the gap 13 is shown in an exemplary embodiment with a total of four arcuate or semicircular widenings.
  • the gap 13 on the one hand a continuous gap width 13.1 between the combustion chamber 1 1, in particular the front end 1 1 .1, and the recuperator 12 on.
  • This continuous gap width 13.1 may be a few millimeters or micrometers.
  • 13 expansions are provided in the gap. In the present case, exactly four arcuate extensions are provided which have a varying gap width 13.2 between the combustion chamber 11 and the recuperator head 12. As a result of these expansions, the additional combustion air IV can radiate out of the gap 13 in order to subsequently be post-combusted with the pre-combusted mixture III.
  • the pre-combusted mixture II I occurs from the non-circular outlet opening 1 1 .2 of the combustion chamber 1 1 from.
  • a differently configured shape of the gap 13 is conceivable in the z. B. occur more extensions or other such, for example, rectangular extensions are arranged. It is also conceivable that the outlet opening 1 1.2 z. B. rectangular or elliptical, which results in a corresponding gap 13 between the combustion chamber n and the recuperator 12.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)

Abstract

L'invention concerne un brûleur récupérateur (10) pour four industriel, servant directement ou indirectement à chauffer une pièce à usiner. Le brûleur (10) présente une chambre de combustion (11) et une tête de récupération (12), un combustible gazeux ou liquide (II) et l'air comburant primaire (I) pouvant être amenés dans la chambre de combustion (11), à l'intérieur de laquelle l'air et le combustible sont mélangés et une partie du mélange est brûlée au cours d'une précombustion. La chambre de combustion (11) présente une extrémité avant (11.1), dont la section transversale diminue et qui est pourvue d'un orifice de sortie (11.2) pour le mélange (III) combustible (II)-air comburant primaire (I) ayant fait l'objet d'une précombustion, et la tête de récupération (12) entoure au moins partiellement la chambre de combustion (11) au niveau de l'extrémité avant (11.1). Un espace (13), ménagé entre la chambre de combustion (11) et la tête de récupération (12), peut être parcouru par l'air comburant secondaire supplémentaire (IV) qui est préchauffé par un gaz brûlé chaud (V) du brûleur (10) passant le long d'une face extérieure (12.4) de la tête de récupération (12), l'air comburant supplémentaire (IV) sortant au niveau de l'extrémité avant (11.1) par un passage (12.1) formé à proximité de l'orifice de sortie (11.2) de la chambre de combustion (11) afin de réagir avec le mélange (III), contenu dans la chambre de combustion (11) et ayant fait l'objet d'une précombustion, pour permettre une postcombustion. Selon la présente invention, une résistance thermique (15) est placée au niveau de l'orifice de sortie (11.2) de la chambre de combustion (11), résistance par laquelle le flux de chaleur (51) entre la chambre de combustion (11) au niveau de l'orifice de sortie (11.2) et la tête de récupération (12) peut être réduit.
PCT/EP2008/063441 2007-10-09 2008-10-08 Brûleur pour four industriel WO2009047260A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007048487A DE102007048487B4 (de) 2007-10-09 2007-10-09 Brenner für einen Industrieofen
DE102007048487.0 2007-10-09

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WO2009047260A2 true WO2009047260A2 (fr) 2009-04-16
WO2009047260A3 WO2009047260A3 (fr) 2010-01-14

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ITMI20092116A1 (it) * 2009-12-01 2011-06-02 Danieli Off Mecc Bruciatore industriale e relativo processo di combustione per forni di trattamento termico
DE102012218254A1 (de) 2011-10-06 2013-04-11 Johnson Matthey Japan Godo Kaisha Oxidationskatalysator für eine Behandlung von Abgas eines Verbrennungsmotors
US9995481B2 (en) 2011-12-20 2018-06-12 Eclipse, Inc. Method and apparatus for a dual mode burner yielding low NOx emission

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Publication number Priority date Publication date Assignee Title
DE102013106786A1 (de) * 2013-06-28 2014-12-31 Jasper Gesellschaft für Energiewirtschaft und Kybernetik mbH Heizrohr für einen Rekuperatorbrenner
CN103471102A (zh) * 2013-08-19 2013-12-25 刁辉 一种使用醇基燃料的节能双用炉头

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EP0363834A1 (fr) * 1988-10-12 1990-04-18 Ruhrgas Aktiengesellschaft Brûleur, particulièrement brûleur à haute vitesse
DE3835381A1 (de) * 1988-10-18 1990-04-19 Ruhrgas Ag Brenner
DE4011190A1 (de) * 1988-10-12 1991-10-17 Ruhrgas Ag Rekuperatorbrenner
DE4026605A1 (de) * 1990-08-23 1992-02-27 Lbe Beheizungseinrichtungen Brenner
DE4138433A1 (de) * 1991-11-22 1993-05-27 Aichelin Gmbh Brenner fuer industrieoefen
DE10326951A1 (de) * 2003-06-12 2005-01-13 Aichelin Entwicklungszentrum Und Aggregatebau Gesellschaft Mbh Rekuperatorbrenner und Rekuperator hierzu

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US4586894A (en) * 1984-06-15 1986-05-06 Ws Warmeprozesstechnik Gmbh Industrial burner for gaseous or liquid fuels
EP0363834A1 (fr) * 1988-10-12 1990-04-18 Ruhrgas Aktiengesellschaft Brûleur, particulièrement brûleur à haute vitesse
DE4011190A1 (de) * 1988-10-12 1991-10-17 Ruhrgas Ag Rekuperatorbrenner
DE3835381A1 (de) * 1988-10-18 1990-04-19 Ruhrgas Ag Brenner
DE4026605A1 (de) * 1990-08-23 1992-02-27 Lbe Beheizungseinrichtungen Brenner
DE4138433A1 (de) * 1991-11-22 1993-05-27 Aichelin Gmbh Brenner fuer industrieoefen
DE10326951A1 (de) * 2003-06-12 2005-01-13 Aichelin Entwicklungszentrum Und Aggregatebau Gesellschaft Mbh Rekuperatorbrenner und Rekuperator hierzu

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20092116A1 (it) * 2009-12-01 2011-06-02 Danieli Off Mecc Bruciatore industriale e relativo processo di combustione per forni di trattamento termico
WO2011067722A3 (fr) * 2009-12-01 2011-09-29 Danieli & C. Officine Meccaniche S.P.A. Brûleur industriel et processus de combustion associé pour fours de traitement thermique
US8708693B2 (en) 2009-12-01 2014-04-29 Danieli & C. Officine Meccaniche S.P.A. Industrial burner and related combustion process for heat treatment furnaces
DE102012218254A1 (de) 2011-10-06 2013-04-11 Johnson Matthey Japan Godo Kaisha Oxidationskatalysator für eine Behandlung von Abgas eines Verbrennungsmotors
DE102012218254B4 (de) 2011-10-06 2022-11-17 Johnson Matthey Public Limited Company Abgassystem für einen verbrennungsmotor
US9995481B2 (en) 2011-12-20 2018-06-12 Eclipse, Inc. Method and apparatus for a dual mode burner yielding low NOx emission

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WO2009047260A3 (fr) 2010-01-14
DE102007048487A1 (de) 2009-05-14

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