Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels

Gard, Vincent; Chojnacki, Dennis A; Rabovitser, Ioseph K

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
A41 - wearing apparel
A42 - headwear
A43 - footwear
A44 - haberdashery
A45 - hand or travelling articles
A46 - brushware
A47 - furniture
A61 - medical or veterinary science
A62 - life-saving
A63 - sports
A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
B02 - crushing, pulverising, or disintegrating
B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
B05 - spraying or atomising in general
B06 - generating or transmitting mechanical vibrations in general
B07 - separating solids from solids
B08 - cleaning
B09 - disposal of solid waste
B21 - mechanical metal-working without essentially removing material
B22 - casting
B23 - machine tools
B24 - grinding
B25 - hand tools
B26 - hand cutting tools
B27 - working or preserving wood or similar material
B28 - working cement, clay, or stone
B29 - working of plastics
B30 - presses
B31 - making articles of paper, cardboard or material worked in a manner analogous to paper
B32 - layered products
B33 - additive manufacturing technology
B41 - printing
B42 - bookbinding
B43 - writing or drawing implements
B44 - decorative arts
B60 - vehicles in general
B61 - railways
B62 - land vehicles for travelling otherwise than on rails
B63 - ships or other waterborne vessels
B64 - aircraft
B65 - conveying
B66 - hoisting
B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
B81 - microstructural technology
B82 - nanotechnology
B99 - subject matter not otherwise provided for in this section
C - chemistry
C01 - inorganic chemistry
C02 - treatment of water, waste water, sewage, or sludge
C03 - glass
C04 - cements
C05 - fertilisers
C06 - explosives
C07 - organic chemistry
C08 - organic macromolecular compounds
C09 - dyes
C10 - petroleum, gas or coke industries
C11 - animal or vegetable oils, fats, fatty substances or waxes
C12 - biochemistry
C13 - sugar industry
C14 - skins
C21 - metallurgy of iron
C22 - metallurgy
C23 - coating metallic material
C25 - electrolytic or electrophoretic processes
C30 - crystal growth
C40 - combinatorial technology
C99 - subject matter not otherwise provided for in this section
D - textiles
D01 - natural or man-made threads or fibres
D02 - yarns
D03 - weaving
D04 - braiding
D05 - sewing
D06 - treatment of textiles or the like
D07 - ropes
D10 - indexing scheme associated with sublasses of section d, relating to textiles
D21 - paper-making
D99 - subject matter not otherwise provided for in this section
E - fixed constructions
E01 - construction of roads, railways, or bridges
E02 - hydraulic engineering
E03 - water supply
E04 - building
E05 - locks
E06 - doors, windows, shutters, or roller blinds in general
E21 - earth drilling
E99 - subject matter not otherwise provided for in this section
F - mechanical engineering
F01 - machines or engines in general
F02 - combustion engines
F03 - machines or engines for liquids
F04 - positive - displacement machines for liquids
F05 - indexing schemes relating to engines or pumps in various subclasses of classes f01-f04
F15 - fluid-pressure actuators
F16 - engineering elements and units
F17 - storing or distributing gases or liquids
F21 - lighting
F22 - steam generation
F23 - combustion apparatus
F24 - heating
F25 - refrigeration or cooling
F26 - drying
F27 - furnaces
F28 - heat exchange in general
F41 - weapons
F42 - ammunition
F99 - subject matter not otherwise provided for in this section
G - physics
G01 - measuring
G02 - optics
G03 - photography
G04 - horology
G05 - controlling
G06 - computing
G07 - checking-devices
G08 - signalling
G09 - education
G10 - musical instruments
G11 - information storage
G12 - instrument details
G16 - information and communication technology [ict] specially adapted for specific application fields
G21 - nuclear physics
G99 - subject matter not otherwise provided for in this section
H - electricity
H01 - basic electric elements
H02 - generation
H03 - basic electronic circuitry
H04 - electric communication technique
H05 - electric techniques not otherwise provided for
H99 - subject matter not otherwise provided for in this section
Y - new / cross sectional technologies
Y02 - technologies or applications for mitigation or adaptation against climate change
Y04 - information or communication technologies having an impact on other technology areas
Y10 - technical subjects covered by former uspc

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Title: Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels

Abstract

A method and apparatus for combustion in which a pressurized preheated liquid fuel is atomized and a portion thereof flash vaporized, creating a mixture of fuel vapor and liquid droplets. The mixture is mixed with primary combustion oxidant, producing a fuel/primary oxidant mixture which is then injected into a primary combustion chamber in which the fuel/primary oxidant mixture is partially combusted, producing a secondary gaseous fuel containing hydrogen and carbon oxides. The secondary gaseous fuel is mixed with a secondary combustion oxidant and injected into the second combustion chamber wherein complete combustion of the secondary gaseous fuel is carried out. The resulting second stage flue gas containing very low amounts of NO.sub.x is then vented from the second combustion chamber.

Inventors:: Gard, Vincent; Chojnacki, Dennis A; Rabovitser, Ioseph K

Issue Date:: Tue Dec 02 00:00:00 EST 2014

Research Org.:: Gas Technology Institute, Des Plaines, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1164695

Patent Number(s):: 8899969

Application Number:: 13/156,396

Assignee:: Gas Technology Institute (Des Plaines, IL)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS

Show more

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR
F23C1/08 - liquid and gaseous fuel
F23C2201/401 - Cooling
F23C2900/06041 - Staged supply of oxidant
F23C6/04 - in series connection
F23C9/06 - for completing combustion

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23D - BURNERS
F23D11/10 - the spraying being induced by a gaseous medium, e.g. water vapour
F23D11/38 - Nozzles
F23D11/44 - Preheating devices
F23D14/58 - characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
F23D17/002 - {gaseous or liquid fuel}
F23D2204/10 - gaseous and liquid fuel

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23K - FEEDING FUEL TO COMBUSTION APPARATUS
F23K5/22 - Vaporising devices

F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23N - REGULATING OR CONTROLLING COMBUSTION
F23N1/02 - conjointly with air supply

Show less

DOE Contract Number:: FG36-05GO15189

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Jun 09

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

Citation Formats


                    Gard, Vincent, Chojnacki, Dennis A, and Rabovitser, Ioseph K. Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels.  United States: N. p., 2014. 
        Web.

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                    Gard, Vincent, Chojnacki, Dennis A, & Rabovitser, Ioseph K. Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels.  United States.

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                    Gard, Vincent, Chojnacki, Dennis A, and Rabovitser, Ioseph K. Tue .  
        "Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels".  United States.  https://www.osti.gov/servlets/purl/1164695.

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@article{osti_1164695,

  title        = {Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels},

  author       = {Gard, Vincent and Chojnacki, Dennis A and Rabovitser, Ioseph K},

  abstractNote = {A method and apparatus for combustion in which a pressurized preheated liquid fuel is atomized and a portion thereof flash vaporized, creating a mixture of fuel vapor and liquid droplets. The mixture is mixed with primary combustion oxidant, producing a fuel/primary oxidant mixture which is then injected into a primary combustion chamber in which the fuel/primary oxidant mixture is partially combusted, producing a secondary gaseous fuel containing hydrogen and carbon oxides. The secondary gaseous fuel is mixed with a secondary combustion oxidant and injected into the second combustion chamber wherein complete combustion of the secondary gaseous fuel is carried out. The resulting second stage flue gas containing very low amounts of NO.sub.x is then vented from the second combustion chamber.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Dec 02 00:00:00 EST 2014},

  month        = {Tue Dec 02 00:00:00 EST 2014}

}

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Similar Records

Title: Method and system for low-NO.sub.x dual-fuel combustion of liquid and/or gaseous fuels

Abstract

Citation Formats

Method for burning emulsion oils patent, January 1976

Fuel oil burning method patent, February 1976

Method of burning emulsion oils patent, May 1976

Fuel conditioning apparatus and method patent, February 1977

Boiler burners patent, December 1977

Combustion process patent, September 1978

Low NOx burner patent, March 1981

Low NOX burner patent, August 1982

Method and apparatus for burning high nitrogen-high sulfur fuels patent, December 1984

Oil fuel combustion patent, September 1987

Swirl combustion apparatus patent, November 1989

Method for enhanced atomization of liquids patent, June 1993

Hydro-oily emulsion burning process patent, April 1996

Method of combusting a water/fossil fuel mixed emulsion and combustion apparatus patent, January 2000

Method and arrangement for optimizing oxidation during burning of gaseous and liquid fuels patent, August 2000

Method and device for operating a premix burner patent, October 2000

Fuel injection method and device to increase combustion dynamics and efficiency in combustion equipment operating with fluid hydro carbon fuel patent, September 2001

Low NOx apparatus and methods for burning liquid and gaseous fuels patent, July 2002

Liquid atomization methods and devices patent, August 2003

Method and apparatus for advanced staged combustion utilizing forced internal recirculation patent, December 2003

Method and apparatus for transversely staged combustion utilizing forced internal recirculation patent, January 2004

Combustion burner patent, September 2004

Super low NOx, high efficiency, compact firetube boiler patent, December 2005

Apparatus and Method for Fuel Flow Rate, Fuel Temperature, Fuel Droplet Size, and Burner Firing Rate Modulation patent-application, January 2009

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Processing Fuel and Water patent-application, September 2011

Method for burning emulsion oils
patent, January 1976

Fuel oil burning method
patent, February 1976

Method of burning emulsion oils
patent, May 1976

Fuel conditioning apparatus and method
patent, February 1977

Boiler burners
patent, December 1977

Combustion process
patent, September 1978

Low NOx burner
patent, March 1981

Low NOX burner
patent, August 1982

Method and apparatus for burning high nitrogen-high sulfur fuels
patent, December 1984

Oil fuel combustion
patent, September 1987

Swirl combustion apparatus
patent, November 1989

Method for enhanced atomization of liquids
patent, June 1993

Hydro-oily emulsion burning process
patent, April 1996

Method of combusting a water/fossil fuel mixed emulsion and combustion apparatus
patent, January 2000

Method and arrangement for optimizing oxidation during burning of gaseous and liquid fuels
patent, August 2000

Method and device for operating a premix burner
patent, October 2000

Fuel injection method and device to increase combustion dynamics and efficiency in combustion equipment operating with fluid hydro carbon fuel
patent, September 2001

Low NOx apparatus and methods for burning liquid and gaseous fuels
patent, July 2002

Liquid atomization methods and devices
patent, August 2003

Method and apparatus for advanced staged combustion utilizing forced internal recirculation
patent, December 2003

Method and apparatus for transversely staged combustion utilizing forced internal recirculation
patent, January 2004

Combustion burner
patent, September 2004

Super low NOx, high efficiency, compact firetube boiler
patent, December 2005

Apparatus and Method for Fuel Flow Rate, Fuel Temperature, Fuel Droplet Size, and Burner Firing Rate Modulation
patent-application, January 2009

Multi-Mode Combustion Device and Method for Using the Device
patent-application, July 2010

Processing Fuel and Water
patent-application, September 2011