US3904349A - Fuel burner - Google Patents

Fuel burner Download PDF

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Publication number
US3904349A
US3904349A US472583A US47258374A US3904349A US 3904349 A US3904349 A US 3904349A US 472583 A US472583 A US 472583A US 47258374 A US47258374 A US 47258374A US 3904349 A US3904349 A US 3904349A
Authority
US
United States
Prior art keywords
port
fuel
combustion air
windbox
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
US472583A
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English (en)
Inventor
Morris W Peterson
Brett C Krippene
David M Marshall
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Priority to US472583A priority Critical patent/US3904349A/en
Priority to JP50057498A priority patent/JPS50156728A/ja
Priority to DE2521840A priority patent/DE2521840C2/de
Priority to AU81318/75A priority patent/AU484108B2/en
Priority to FR7515747A priority patent/FR2272337B1/fr
Priority to CA227,507A priority patent/CA1020078A/en
Priority to GB22052/75A priority patent/GB1505278A/en
Priority to ZA3312A priority patent/ZA753312B/xx
Application granted granted Critical
Publication of US3904349A publication Critical patent/US3904349A/en
Priority to JP1983052766U priority patent/JPS58181108U/ja
Priority to JP61158111A priority patent/JPS6217507A/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/002Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space spraying nozzle arranged within furnace openings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00Combustion apparatus characterised by arrangements for air supply
    • F23C7/002Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F23C7/004Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion using vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00Combustion apparatus characterised by arrangements for air supply
    • F23C7/008Flow control devices

Definitions

  • the present invention relates to fuel burners and more particularly to an improved fluent fuel burner for reducing the formation of nitric oxides by lowering the combustion zone temperature and providing a reducing atmosphere in the ignition zone.
  • Nitric oxide is an invisible, relatively harmless gas.
  • nitrogen dioxide N or other oxides of nitrogen collectively referred to as nitric oxides.
  • Nitrogen dioxide is a yellow-brown gas which, in sufficient concentrations is toxic to animal and plant life. It is this gas which may create the visible haze at the stack discharge of a vapor generator.
  • Nitric oxide is formed as a result of the reaction of nitrogen and oxygen and may be thermal nitric oxide and/or fuel nitric oxide.
  • the former occurs from the reaction of the nitrogen and oxygen contained in the air supplied for the combustion of fossil fuel whereas the latter results from the reaction of the nitrogen contained in the fuel with the oxygen in the combustion air.
  • the rate at which thermal nitric oxide is formed is dependent upon any or a combination of the following variables; l flame temperature, (2) residence time of the combustion gases in the high temperature zone and (3) excess oxygen supply.
  • the rate of formation of nitric oxide increases as flame temperature increases. However. the reaction takes time and a mixture of nitrogen and oxygen at a given temperature for a very short time may produce less nitric oxide than the same mixture at a lower temperature, but for a longer period of time.
  • the rate at which fuel nitric oxide is formed is principally depcndent on the oxygen supply in the ignition zone and no appreciable nitric oxide is produced under a reducing atmosphere; that is, a condition where the level of oxygen in the ignition zone is below that required for a complete burning of the fuel.
  • thermal nitric oxide can be reduced by reducing flame temperatures in any degree and will be minimized with a flame temperature at or below 2,90()F and that the formation of fuel nitric oxide will be inhibited by providing a reducing atmosphere in the ignition zone.
  • U.S. Pat. No. 3,788,796 issued to Krippene et al. and assigned to the Assignee of the present invention discloses a technique used with relation to burning pulverized fuel and which achieves a reduction in the formation of nitric oxide and results in a more complete burning of the fuel.
  • the present invention provides an apparatus for reducing the formation of nitric oxide while achieving a more complete burning of fluent fuel than has heretofore been possible.
  • an apparatus for the burning of fluent fuels wherein at least a part of the apparatus is disposed within a windbox to which combustion air is supplied and which is formed between adjacent burner and furnace walls of a vapor generating unit.
  • the burner wall is formed with an access opening for admitting that portion of the apparatus which normally resides in the windbox whereas the furnace wall is formed with a burner port which accommodates the combining of fuel and air into a combustible mixture and the ignition thereof.
  • the apparatus includes an open ended member disposed within the windbox and forming a central passageway of circular cross-section coaxially arranged with and having its discharge end opening to the burner port.
  • a conduit having a portion thereof concentrically spaced about the open ended member forms therebetween a first annular passageway discharging into the burner port.
  • a register concentrically spaced about a portion of the conduit defines therewith a second annular passageway discharging into the burner port.
  • Means are provided within the windbox to apportion the combustion air between the aforementioned passageways.
  • Nozzle means extend through the windbox to introduce a fluent fuel into the burner port in a pattern substantially symmetrical with the axis of the port.
  • An object of the invention is to provide a fluent fuel burning apparatus wherein initial burning is conducted in a fuel rich climate to cause a reducing zone which inhibits the formation of fuel nitric oxide and provides the lower peak flame temperatures required to minimize the formation of thermal nitric oxide.
  • Another object of the invention is to limit the initial mixing of the fluent fuel and air to cause a recirculating zone which creates a flame stabilizing effect.
  • a further object of the invention is to admit the remaining air required for complete combustion along a flow pattern which surrounds the reducing and stabilizing zones and eventually mixes with the fluent fuel to complete its combustion.
  • FIG. I is a segmental side view incorporating fluent fuel burning apparatus embodying the invention.
  • FIG. 2 is an end view of a segment of the apparatus depicted in FIG. 1.
  • reference numeral identifies a fuel burning apparatus which is arranged to tire through a circular burner port 12, the latter being lined by refractory and formed as a frusto-conical throat diverging toward the furnace side of the front wall 14 and being fluid cooled by the tubes 16.
  • a burner or outer wall 18 is spaced from the furnace front wall 14 to form a windbox 20 therebetween.
  • the burner wall 18 includes an access opening 22 which admits that portion of the fuel burning apparatus normally residing within the windbox 20.
  • a liquid fuel burner 24 of the type disclosed in US. Pat. No. 2,414.459 issued to J. Fletcher and assigned to the Assignees of the present invention, and including a guide tube 26 extending through the windbox 20 in coaxial relation with the burner port 12.
  • the guide tube 26 has its inlet end threadably engaged to a yoke assembly 28, the latter being connected to liquid fuel and atomizing fluid supply lines (not shown).
  • the discharge end of yoke 28 is connected to a transition member 30 for the through flow of fuel and atomizing fluid.
  • a leakproof fit between the yoke 28 and the member 30 is achieved by introducing a gasket (not shown) between the mating surfaces and applying pressure with a locking device 32.
  • a fuel tube or nozzle 34 extends through the guide tube 26 and out of the distal end thereof.
  • the nozzle 34 is connected at its inlet end to the transition member 30 and is provided at its outlet end with an atomizing assembly including a sprayer plate 36 which introduces the atomized fuel into the burner port 12 in a pattern substantially symmetrical with the axis of the port.
  • the distal end of the guide tube 26 includes a support ring 38 and an air deflecting device 40 attached thereto.
  • the deflector 40 is in the form of a truncated cone and is concentrically disposed about the central axis of the burner throat l2 and includes an opening to accommodate the passage therethrough of the sprayer plate 36.
  • an open ended member 42 disposed in spaced surrounding relation with a portion of the liquid fuel burner guide tube 26 and forming a central passageway 44 of circular cross-section coaxially arranged with and having its discharge end opening to the burner port 12.
  • a conduit 46 extends through the windbox 20 and has an outlet end portion thereof concentrically spaced about the open ended member 42 to form therebetween a first annular passageway 48 discharging into the burner port 12.
  • the conduit 46 has its inlet end projecting through the closure member 50 which covers the burner access opening 18; the inlet end is in turn covered by a circular plate member 52.
  • the burner wall 18, the closure and plate members 50 and 52 are covered with insulating material 54 so as to inhibit conductive heat loss there-across.
  • Combustion air is admitted to the conduit 46 through one or more circumferentially spaced slots 56 preferably located in near proximity to the burner wall 18.
  • the slots 56 are preferably of arcuate rectangular configuration and are separated by ribs 58 formed by the conduit wall.
  • a sleeve like member 60 is located within the conduit 46 and is equipped with wheels 62 partially recessed in the sleeve wall and contacting the ribs 58 thus facilitating the movement of the sleeve member 60 across the slots 56 so as to cover a part or all of the area of the slots 56 thereby providing the means for regulating the quantity of combustion air admitted to the conduit 46.
  • the sleeve member 60 has an external diameter slightly smaller than the internal diameter of the conduit 46 and an axial length slightly greater than the axial length of the slots 56.
  • a pair of positioning rods 64 horizontally spaced from one another, have their respective distal end weldably connected to the sleeve member 60 and the opposite end terminating outside of the windbox 20 and are fitted with handle portions 66 to allow adjustment of the position of the sleeve 60 from without the windbox
  • the po sitioning rods 64 are supportingly guided by a respective tube member 68, the latter extends through the plate 52 and its insulation cover and is provided with a locking device 70 to fixedly hold the positioning rod 64 so as to maintain the selected position of sleeve 60 with respect to the slots 56.
  • the distance between the trailing edge of the slots 56 and the windbox end of the tube members 68 is substantially equal to the axial length of the sleeve member so that the slots 58 will be fully exposed when the sleeve 60 abuts on the windbox end of the tubes 68 thereby allowing maximum flow of combustion air into conduit 46.
  • Stops 71 in the form of collars are provided on the positioning rods 64 and are fixedly located so as to abut the outside end face of the tube members 68 when the sleeve member 60 com pletely covers the slots 56, shutting off substantially all of the combustion air flow into the conduit 46.
  • a plurality of vanes 72 are arranged in surrounding relationship to the open ended member 42 and are located within the first annular passageway 48, the vanes 72 are equidistantly spaced and preferably linked to one another so as to be collectively and simultaneously adjustable through a shaft member 74 operatively connected thereto and terminating outside of the windbox 20 and connected to a manually operated handle 76.
  • the vanes 72 have the principal function of imparting a rotational component to the combustion air flowing through the first annular passageway 48.
  • a tubular member 78 has one end thereof rigidly connected to the plate 52 and extends through the conduit 46 in spaced coaxial relation therewith and in spaced surrounding relation with the burner nozzle guide tube 26 and axially spaced from the inlet end of the open ended member 42.
  • a plurality of circumferentially spaced struts 80 are located midway along the axial length of the tubular member 78 and provide sup port for the conduit 46 through the member 78, the latter is also used to support the guide tube 26 through a plurality of struts 81 which are collared around the guide tube 26 and abut against the inside wall of the tubular member 78.
  • a sleeve like member 82 is slidably fitted over the forward end portion of member 78 and is movable to change the spacing 83 between its forward end flange 85 and the inlet end face 87 of the member 42 so as to provide the means for regulating the quantity of combustion air flowing through the central passageway 44.
  • the sleeve member 82 is shown in its fully retracted position and the spacing 83 is wide open thereby allowing a maximum quantity of combustion air to pass from the conduit 46 to the central passageway 44.
  • a pair of positioning rods 64A vertically spaced from one another, have their respective distal end weldably connected to the rear end portion of the sleeve member 82 and their opposite end terminating outside of the windbox and are fitted with handle portions 66A to allow positioning of the sleeve member 82 from without the windbox.
  • the positioning rods 64A are supportingly guided by a respective tube member 68A, the latter extends through the plate 52 and its insulation cover and is provided with a locking device 70A to fixedly holdthe positioning rod 64A so as to maintain the selected position of sleeve member 82 with respect to the open ended member 42.
  • the struts 80 have the added function of serving as a backstop for the sleeve member 82 so that the spacing 83 is at its maximum dimension when the rear end face of sleeve member 82 abuts against the struts 80.
  • Stops 71A in the form of collars are provided on the positioning rods 64A and are fixedly located so as to abut the outside end of the tube member 68A when the forward end flange 85 rests against the inlet end 86 of the open ended member 42 thereby closing the spacing 83 and shutting off substantially all of the combustion air flow into the open ended member 42.
  • a register assembly 87 is spaced about the conduit 46 and has one end rigidly connected to the plate 52 and the opposite end opening into the burner port 12.
  • the register assembly 87 includes-a cylindrical housing 88 d sposed in adjacent surrounding relation to the con duit 46 and including a portion thereof fitted with slots 89 having substantially the same configuration as the slots 56 and being located in superposed fashion thereto so as to provide an unimpeded flow path into the conduit 46.
  • the distal end of the housing 88 is rigidly connected to the inner periphery of an annular plate member 90 which forms one of the walls defining the inlet to the register assembly 87, the other wall being formed by an annular plate member 91 fitted with a converging frusto-conical section 92.
  • the plate 91 and the section 92 cooperate with the conduit 46 to form an annular passageway 98 therebetween.
  • the members 93 supportingly connect the plate 91 and the section 92 to the front wall 14.
  • a plurality of dampers or register doors 94 are circumferentially spaced and pivotally mounted between the walls 90 and 91 and are adapted to pivot between open and closed positions thereby providing the means for regulating the quantity of combustion air being admitted to the annular passageway 98.
  • the positioning of the dampers 94 is simultaneously effected through a shaft 95 suitably linked thereto and terminating outside of the windbox 20 and fitted with an operating handle 96.
  • An ignitor assembly 97 of known type extends through the closure member 50 and the plate member 90 and terminates in the annular passageway 98.
  • the positioning rods 64 and 64A and the dampers 94 may be suitably geared, linked or otherwise connected so as to be responsive to automatically controlled actuating devices.
  • FIG. 2 of the illustrated embodiment is an end view of the plate member 52 and the elements situated thereabout such as the handles 66 and 66A and the locking devices 70 and 70A associated with the posi' tioning rods used to position the sleeve members which are a feature of the invention. There are also shown a pair of observation doors 99 straddling the liquid fuel burner 24 and the handle 76 associated with the shaft used to regulate the vanes located in the central passageway.
  • liquid fuel is supplied to and atomized within the fuel burner 24 and sprayed into the port 12 in a pattern substantially symmetrical with the axis of the port.
  • the total air required for combustion of the fuel is supplied from the windbox 20 and is distributed among three separate passageways for discharge into the port 12.
  • the aforementioned passageways being defined as the central passageway 44, the first annular passageway 48 and the second annular passageway 98.
  • the quantity of combustion air admitted to each passageway is controlled by separate flow regulating means, i.e., the sleeve member 82 which is adjustable to vary the spacing 83 providing access to the inlet of the central passageway 44; the sleeve member which is adjustable to vary the opening of the slots 56 providing access to the first annular passageway by way of conduit 46; and the dampers 94 which are simultaneously adjustable to vary the inlet opening to the register assembly 87 including the second annular passageway 98 formed thereby.
  • the apparatus herein disclosed provides the means whereby initial burning of the fuel is conducted in a reducing Zone by adjusting the sleeve member 82 so as to limit the quantity of combustion air being discharged through the central passageway 44.
  • Means are also provided whereby a flame stabilizing zone is created by adjusting the sleeve member 60 to regulate the quantity of air being admitted to the conduit 46 and discharged through the first annular passageway 48 so as to cause recirculation of air about the outer periphery of the reducing zone.
  • means are provided whereby the remaining air required for the complete combustion of fuel is regulated by adjusting the dampers 94 and is discharged through the second annular passageway 98 so as to envelop the reducing and stabilizing zones and eventually mix with the fuel to complete its combustion.
  • adjustable vane means disposed within said first passageway, a register concentrically spaced about said conduit means to define therewith a second annular passageway discharging into said port, means disposed within said windbox for apportioning the combustion air between said passageways, and nozzle means for introducing a fluent fuel into the port in a pattern substantially symmetrical with the axis of said port.

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  • 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)
US472583A 1974-05-22 1974-05-22 Fuel burner Expired - Lifetime US3904349A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US472583A US3904349A (en) 1974-05-22 1974-05-22 Fuel burner
JP50057498A JPS50156728A (ja) 1974-05-22 1975-05-16
DE2521840A DE2521840C2 (de) 1974-05-22 1975-05-16 Brenner für flüssige Brennstoffe
AU81318/75A AU484108B2 (en) 1974-05-22 1975-05-20 Fuel burner
FR7515747A FR2272337B1 (ja) 1974-05-22 1975-05-21
CA227,507A CA1020078A (en) 1974-05-22 1975-05-22 Fuel burner
GB22052/75A GB1505278A (en) 1974-05-22 1975-05-22 Fluent fuel burners
ZA3312A ZA753312B (en) 1974-05-22 1975-05-22 Fuel burner
JP1983052766U JPS58181108U (ja) 1974-05-22 1983-04-11 燃料燃焼装置
JP61158111A JPS6217507A (ja) 1974-05-22 1986-07-07 燃料燃焼装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US472583A US3904349A (en) 1974-05-22 1974-05-22 Fuel burner

Publications (1)

Publication Number Publication Date
US3904349A true US3904349A (en) 1975-09-09

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ID=23876106

Family Applications (1)

Application Number Title Priority Date Filing Date
US472583A Expired - Lifetime US3904349A (en) 1974-05-22 1974-05-22 Fuel burner

Country Status (7)

Country Link
US (1) US3904349A (ja)
JP (3) JPS50156728A (ja)
CA (1) CA1020078A (ja)
DE (1) DE2521840C2 (ja)
FR (1) FR2272337B1 (ja)
GB (1) GB1505278A (ja)
ZA (1) ZA753312B (ja)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002815A2 (en) * 1978-01-03 1979-07-11 Coen Company, Inc. An apparatus for burning fuel
US4297093A (en) * 1978-09-06 1981-10-27 Kobe Steel, Ltd. Combustion method for reducing NOx and smoke emission
DE3205640A1 (de) * 1981-04-08 1983-02-24 Deutsche Babcock Werke AG, 4200 Oberhausen Brenner und verfahren fuer die verbrennung mehrerer brennstoffe
US4519322A (en) * 1984-06-21 1985-05-28 The Babcock & Wilcox Company Low pressure loss burner for coal-water slurry or fuel oil
US4748919A (en) * 1983-07-28 1988-06-07 The Babcock & Wilcox Company Low nox multi-fuel burner
US4836772A (en) * 1988-05-05 1989-06-06 The Babcock & Wilcox Company Burner for coal, oil or gas firing
EP0452608A2 (en) * 1990-04-20 1991-10-23 ENEL S.p.A. Improved burner for thermic generators
US5199355A (en) * 1991-08-23 1993-04-06 The Babcock & Wilcox Company Low nox short flame burner
WO1993009382A1 (en) * 1991-11-01 1993-05-13 Holman Boiler Works, Inc. Low nox burner
WO1994021357A1 (en) * 1993-03-22 1994-09-29 Holman Boiler Works, Inc. LOW NOx BURNER
US5460514A (en) * 1993-01-13 1995-10-24 Nippon Oil Company Ltd. Burner for burning liquid fuel
US5480298A (en) * 1992-05-05 1996-01-02 General Electric Company Combustion control for producing low NOx emissions through use of flame spectroscopy
US5525053A (en) * 1994-12-01 1996-06-11 Wartsila Diesel, Inc. Method of operating a combined cycle power plant
US5603906A (en) * 1991-11-01 1997-02-18 Holman Boiler Works, Inc. Low NOx burner
US5664944A (en) * 1994-12-05 1997-09-09 The Babcock & Wilcox Company Low pressure drop vanes for burners and NOX ports
US5697306A (en) * 1997-01-28 1997-12-16 The Babcock & Wilcox Company Low NOx short flame burner with control of primary air/fuel ratio for NOx reduction
WO1997048948A1 (en) * 1996-06-19 1997-12-24 Combustion Engineering, Inc. A method for effecting control over an rsfc burner
EP0836048A1 (en) 1996-10-08 1998-04-15 Ansaldo Energia S.P.A. Burner
US5755567A (en) * 1996-02-21 1998-05-26 The Babcock & Wilcox Company Low vortex spin vanes for burners and overfire air ports
WO1998011384A3 (en) * 1996-09-09 1998-07-30 Burmeister & Wein En As A windbox burner
US20040089810A1 (en) * 1999-02-08 2004-05-13 General Electric Compamy System and method for optical monitoring of a combustion flame
US6837702B1 (en) 1994-12-01 2005-01-04 Wartsila Diesel, Inc. Method of operating a combined cycle power plant
EP1746343A1 (fr) * 2005-07-21 2007-01-24 EGCI Pillard Brûleur comprenant plusieurs conduites annulaires
US10240784B2 (en) * 2013-06-17 2019-03-26 Schlumberger Technology Corporation Burner assembly for flaring low calorific gases

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257763A (en) * 1978-06-19 1981-03-24 John Zink Company Low NOx burner

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US2485656A (en) * 1944-03-25 1949-10-25 Franz J M Raskin Hydroxylating fuel burner
US3133731A (en) * 1961-07-17 1964-05-19 Zink Co John Apparatus for heating gases
US3391981A (en) * 1966-06-13 1968-07-09 Coen Company Forced air draft burner construction for combustible gases
US3700376A (en) * 1970-12-28 1972-10-24 Babcock & Wilcox Ag Oil burner

Family Cites Families (4)

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US1817470A (en) * 1923-09-28 1931-08-04 Adams Henry Fuel burning apparatus and method
US2458541A (en) * 1944-11-16 1949-01-11 Comb Processes Company Low velocity oil burner
ES373703A1 (es) * 1968-11-27 1972-02-01 Sulzer Ag Mejoras introducidas en los mecheros de mufla, con chorro de remolino, con una alimentacion de aceite yno gas central.
JPS5069630A (ja) * 1973-10-22 1975-06-10

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485656A (en) * 1944-03-25 1949-10-25 Franz J M Raskin Hydroxylating fuel burner
US3133731A (en) * 1961-07-17 1964-05-19 Zink Co John Apparatus for heating gases
US3391981A (en) * 1966-06-13 1968-07-09 Coen Company Forced air draft burner construction for combustible gases
US3700376A (en) * 1970-12-28 1972-10-24 Babcock & Wilcox Ag Oil burner

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002815A3 (en) * 1978-01-03 1979-07-25 Coen Company, Inc. An apparatus for burning fuel
EP0002815A2 (en) * 1978-01-03 1979-07-11 Coen Company, Inc. An apparatus for burning fuel
US4297093A (en) * 1978-09-06 1981-10-27 Kobe Steel, Ltd. Combustion method for reducing NOx and smoke emission
DE3205640A1 (de) * 1981-04-08 1983-02-24 Deutsche Babcock Werke AG, 4200 Oberhausen Brenner und verfahren fuer die verbrennung mehrerer brennstoffe
US4748919A (en) * 1983-07-28 1988-06-07 The Babcock & Wilcox Company Low nox multi-fuel burner
AU578697B2 (en) * 1984-06-21 1988-11-03 Babcock & Wilcox Co., The Burner
EP0165725A3 (en) * 1984-06-21 1986-02-19 The Babcock & Wilcox Company Low pressure loss number for coal-water slurry or fuel oil
EP0165725A2 (en) * 1984-06-21 1985-12-27 The Babcock & Wilcox Company Low pressure loss burner for coal-water slurry or fuel oil
US4519322A (en) * 1984-06-21 1985-05-28 The Babcock & Wilcox Company Low pressure loss burner for coal-water slurry or fuel oil
US4836772A (en) * 1988-05-05 1989-06-06 The Babcock & Wilcox Company Burner for coal, oil or gas firing
EP0452608A2 (en) * 1990-04-20 1991-10-23 ENEL S.p.A. Improved burner for thermic generators
EP0452608A3 (en) * 1990-04-20 1992-01-22 Ente Nazionale Per L'energia Elettrica - (Enel) Improved burner for thermic generators
US5145359A (en) * 1990-04-20 1992-09-08 Ente Nazionale Per L'energia Elettrica Burner for thermic generators
US5199355A (en) * 1991-08-23 1993-04-06 The Babcock & Wilcox Company Low nox short flame burner
WO1993009382A1 (en) * 1991-11-01 1993-05-13 Holman Boiler Works, Inc. Low nox burner
US5257927A (en) * 1991-11-01 1993-11-02 Holman Boiler Works, Inc. Low NOx burner
US5603906A (en) * 1991-11-01 1997-02-18 Holman Boiler Works, Inc. Low NOx burner
US5480298A (en) * 1992-05-05 1996-01-02 General Electric Company Combustion control for producing low NOx emissions through use of flame spectroscopy
US5460514A (en) * 1993-01-13 1995-10-24 Nippon Oil Company Ltd. Burner for burning liquid fuel
WO1994021357A1 (en) * 1993-03-22 1994-09-29 Holman Boiler Works, Inc. LOW NOx BURNER
US6837702B1 (en) 1994-12-01 2005-01-04 Wartsila Diesel, Inc. Method of operating a combined cycle power plant
US5525053A (en) * 1994-12-01 1996-06-11 Wartsila Diesel, Inc. Method of operating a combined cycle power plant
US5823760A (en) * 1994-12-01 1998-10-20 Wartsila Diesel, Inc. Method of operating a combined cycle power plant
US5664944A (en) * 1994-12-05 1997-09-09 The Babcock & Wilcox Company Low pressure drop vanes for burners and NOX ports
US5755567A (en) * 1996-02-21 1998-05-26 The Babcock & Wilcox Company Low vortex spin vanes for burners and overfire air ports
WO1997048948A1 (en) * 1996-06-19 1997-12-24 Combustion Engineering, Inc. A method for effecting control over an rsfc burner
WO1998011384A3 (en) * 1996-09-09 1998-07-30 Burmeister & Wein En As A windbox burner
EP0836048A1 (en) 1996-10-08 1998-04-15 Ansaldo Energia S.P.A. Burner
US5823764A (en) * 1996-10-08 1998-10-20 Ansaldo Energia S.P.A. Three-stage low NOx burner for burning solid, liquid and gaseous fuels
US5964166A (en) * 1996-10-08 1999-10-12 Enel S.P.A. Pulverized coal injection nozzle
US5697306A (en) * 1997-01-28 1997-12-16 The Babcock & Wilcox Company Low NOx short flame burner with control of primary air/fuel ratio for NOx reduction
US20040089810A1 (en) * 1999-02-08 2004-05-13 General Electric Compamy System and method for optical monitoring of a combustion flame
US7112796B2 (en) 1999-02-08 2006-09-26 General Electric Company System and method for optical monitoring of a combustion flame
EP1746343A1 (fr) * 2005-07-21 2007-01-24 EGCI Pillard Brûleur comprenant plusieurs conduites annulaires
FR2888899A1 (fr) * 2005-07-21 2007-01-26 Egci Pillard Sa Ensemble de conduites annulaires et bruleur comprenant un tel ensemble
US10240784B2 (en) * 2013-06-17 2019-03-26 Schlumberger Technology Corporation Burner assembly for flaring low calorific gases

Also Published As

Publication number Publication date
FR2272337B1 (ja) 1980-02-15
JPS6217507A (ja) 1987-01-26
DE2521840C2 (de) 1982-03-11
JPS50156728A (ja) 1975-12-18
DE2521840A1 (de) 1975-12-04
CA1020078A (en) 1977-11-01
JPS58181108U (ja) 1983-12-03
GB1505278A (en) 1978-03-30
JPH028204B2 (ja) 1990-02-22
AU8131875A (en) 1976-11-25
FR2272337A1 (ja) 1975-12-19
ZA753312B (en) 1977-01-26

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