IT1314878B1 - SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION - Google Patents

SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION

Info

Publication number
IT1314878B1
IT1314878B1 IT2000FI000239A ITFI20000239A IT1314878B1 IT 1314878 B1 IT1314878 B1 IT 1314878B1 IT 2000FI000239 A IT2000FI000239 A IT 2000FI000239A IT FI20000239 A ITFI20000239 A IT FI20000239A IT 1314878 B1 IT1314878 B1 IT 1314878B1
Authority
IT
Italy
Prior art keywords
boiler
air supply
supply system
combustion air
nitrogen oxide
Prior art date
Application number
IT2000FI000239A
Other languages
Italian (it)
Inventor
Alessandro Birindelli
Sergio Ligasacchi
Enrico Tosi
Original Assignee
Enel Produzione S P A Ricerca
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 Enel Produzione S P A Ricerca filed Critical Enel Produzione S P A Ricerca
Priority to IT2000FI000239A priority Critical patent/IT1314878B1/en
Priority to EP01830704A priority patent/EP1209413A1/en
Priority to US09/999,813 priority patent/US20020064742A1/en
Publication of ITFI20000239A1 publication Critical patent/ITFI20000239A1/en
Application granted granted Critical
Publication of IT1314878B1 publication Critical patent/IT1314878B1/en

Links

Classifications

    • 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 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • 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 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air beyond the fire, i.e. nearer the smoke outlet
    • 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 
    • F23C2202/00—Fluegas recirculation
    • F23C2202/30—Premixing fluegas with combustion air

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
IT2000FI000239A 2000-11-24 2000-11-24 SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION IT1314878B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2000FI000239A IT1314878B1 (en) 2000-11-24 2000-11-24 SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION
EP01830704A EP1209413A1 (en) 2000-11-24 2001-11-15 Over-fire air feeding system
US09/999,813 US20020064742A1 (en) 2000-11-24 2001-11-23 Simplified system for feeding over-fire air to a heater for a low NOx emission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000FI000239A IT1314878B1 (en) 2000-11-24 2000-11-24 SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION

Publications (2)

Publication Number Publication Date
ITFI20000239A1 ITFI20000239A1 (en) 2002-05-24
IT1314878B1 true IT1314878B1 (en) 2003-01-16

Family

ID=11442000

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000FI000239A IT1314878B1 (en) 2000-11-24 2000-11-24 SIMPLIFIED POST-COMBUSTION AIR SUPPLY SYSTEM (O.F.A.) IN BOILER FOR LOW NITROGEN OXIDE PRODUCTION

Country Status (3)

Country Link
US (1) US20020064742A1 (en)
EP (1) EP1209413A1 (en)
IT (1) IT1314878B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4174311B2 (en) * 2002-12-12 2008-10-29 バブコック日立株式会社 Combustion device and wind box
ATE383546T1 (en) 2003-10-24 2008-01-15 Esmart Group Pty Ltd BURNER FOR A HEATING DEVICE
US7775791B2 (en) * 2008-02-25 2010-08-17 General Electric Company Method and apparatus for staged combustion of air and fuel
CN108591996A (en) * 2018-07-06 2018-09-28 上海华之邦科技股份有限公司 Burnout degree setting method and the boiler using burnout degree technology in a kind of stove

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH137419A (en) * 1931-01-15 1930-01-15 Wegmann Eduard Additional air supply device on combustion systems.
US2212311A (en) * 1938-11-29 1940-08-20 Alfisi Giuseppe Air heater for furnaces
US3799076A (en) * 1972-05-04 1974-03-26 W Graves Smogless combustion apparatus
JPS6138309A (en) * 1984-07-31 1986-02-24 Obara Yasunori Combustion equipment
DE3803134C2 (en) * 1988-02-03 1997-03-06 Erk Eckrohrkessel Primary measures to reduce pollutants during combustion
GB8900975D0 (en) * 1989-01-17 1989-03-08 Cbr Fabrications Limited Wood waste burners
SE502188C2 (en) * 1992-06-05 1995-09-11 Ulf Hagstroem Methods and apparatus for avoiding disturbances caused by coatings on feeders for combustion or gasification plants
DE4302847A1 (en) * 1993-02-02 1994-08-04 Abb Research Ltd Two-stage non-polluting fuel combustion system
DE19505753A1 (en) * 1995-02-20 1996-08-22 Abb Research Ltd Pollution-free liquid-fuel combustion system in boiler
DE19705938A1 (en) * 1997-02-17 1998-08-20 Abb Research Ltd Method of injecting secondary and/or tertiary air with recirculating flue gases into a boiler
FI973932A (en) * 1997-10-10 1999-04-11 Kvaerner Pulping Oy Method and Arrangement for Optimizing Oxidation in Combustion of Gaseous and Liquid Fuels

Also Published As

Publication number Publication date
US20020064742A1 (en) 2002-05-30
EP1209413A1 (en) 2002-05-29
ITFI20000239A1 (en) 2002-05-24

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