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

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:: 2014-12-02

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

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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

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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         = {2014},

  month        = {12}

}

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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

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

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