EP2860447A3 - Air injection systems for combustion chambers - Google Patents

Air injection systems for combustion chambers Download PDF

Info

Publication number
EP2860447A3
EP2860447A3 EP14188201.9A EP14188201A EP2860447A3 EP 2860447 A3 EP2860447 A3 EP 2860447A3 EP 14188201 A EP14188201 A EP 14188201A EP 2860447 A3 EP2860447 A3 EP 2860447A3
Authority
EP
European Patent Office
Prior art keywords
combustion
combustion chamber
base
duct
gas
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.)
Granted
Application number
EP14188201.9A
Other languages
German (de)
French (fr)
Other versions
EP2860447B1 (en
EP2860447A2 (en
Inventor
John Goldring
Stephen Billett
Lawrence Berg
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.)
RJM Corp (EC) Ltd
Original Assignee
RJM Corp (EC) Ltd
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 RJM Corp (EC) Ltd filed Critical RJM Corp (EC) Ltd
Priority to PL14188201T priority Critical patent/PL2860447T3/en
Priority to RS20181497A priority patent/RS58041B1/en
Publication of EP2860447A2 publication Critical patent/EP2860447A2/en
Publication of EP2860447A3 publication Critical patent/EP2860447A3/en
Application granted granted Critical
Publication of EP2860447B1 publication Critical patent/EP2860447B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08—Disposition of burners
    • F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
    • 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 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • 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
    • F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
    • 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
    • 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 
    • 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 
    • F23C2201/00—Staged combustion
    • F23C2201/10—Furnace staging
    • F23C2201/101—Furnace staging in vertical direction, e.g. alternating lean and rich zones
    • 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
    • F23C2900/06041—Staged supply of oxidant

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

A combustion system (10) comprises a combustion chamber (12) and a flue gas duct (14) located downstream of the combustion chamber to receive combustion products from the combustion chamber, the combustion chamber has a base and (16) an enclosing wall (18) connecting the base to the flue gas duct. The combustion chamber is provided with a plurality of combustion devices (20), the combustion devices being configured to deliver fuel and gas and/or air into the combustion chamber so as to generate a fireball within a combustion zone (22) in the combustion chamber, the combustion devices further being configured such that the generated fireball rotates about an axis extending between the base and the flue duct. A secondary gas and/or air nozzle is provided in the base of the combustion chamber, at a location upstream of the combustion zone, the nozzle being for delivering gas and/or air into the combustion zone in a direction towards the flue duct.
EP14188201.9A 2013-10-08 2014-10-08 Combustion chamber with air injection systems Active EP2860447B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL14188201T PL2860447T3 (en) 2013-10-08 2014-10-08 Combustion chamber with air injection systems
RS20181497A RS58041B1 (en) 2013-10-08 2014-10-08 Combustion chamber with air injection systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1317795.1A GB201317795D0 (en) 2013-10-08 2013-10-08 Air injection systems for combustion chambers

Publications (3)

Publication Number Publication Date
EP2860447A2 EP2860447A2 (en) 2015-04-15
EP2860447A3 true EP2860447A3 (en) 2015-07-08
EP2860447B1 EP2860447B1 (en) 2018-09-12

Family

ID=49630374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14188201.9A Active EP2860447B1 (en) 2013-10-08 2014-10-08 Combustion chamber with air injection systems

Country Status (5)

Country Link
US (1) US20150099233A1 (en)
EP (1) EP2860447B1 (en)
GB (1) GB201317795D0 (en)
PL (1) PL2860447T3 (en)
RS (1) RS58041B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2513389A (en) 2013-04-25 2014-10-29 Rjm Corp Ec Ltd Nozzle for power station burner and method for the use thereof

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483728A (en) * 1945-09-18 1949-10-04 Hercules Powder Co Ltd Method and apparatus for burning high moisture content fuel
US3387574A (en) * 1966-11-14 1968-06-11 Combustion Eng System for pneumatically transporting high-moisture fuels such as bagasse and bark and an included furnace for drying and burning those fuels in suspension under high turbulence
SU606035A1 (en) * 1976-04-21 1978-05-05 Предприятие П/Я А-3513 Combustion chamber
SU861845A1 (en) * 1979-10-04 1981-09-07 Дальневосточный Ордена Трудового Красного Знамени Политехнический Институт Им.В.В.Куйбышева Fire box
JPS5833019A (en) * 1981-08-21 1983-02-26 Mitsubishi Heavy Ind Ltd Method of reducing nitrogen oxides in combustion exhaust gas
DE3403981A1 (en) * 1984-02-04 1985-08-14 Deutsche Babcock Werke AG, 4200 Oberhausen Process and apparatus for the operation of a furnace with a reduced formation of nitrogen oxides
JPS6176815A (en) * 1985-09-13 1986-04-19 Babcock Hitachi Kk Combustion reducing nitrogen oxide
EP0428932A2 (en) * 1989-11-20 1991-05-29 Mitsubishi Jukogyo Kabushiki Kaisha Method of combustion
EP1435485A1 (en) * 2002-12-26 2004-07-07 Hitachi Ltd. Solid fuel boiler and method of operating combustion apparatus
US20120145052A1 (en) * 2010-11-16 2012-06-14 Alstom Technology Ltd. Apparatus and method of controlling the thermal performance of an oxygen-fired boiler
US20120152158A1 (en) * 2009-12-17 2012-06-21 Mitsubishi Heavy Industries, Ltd. Solid-fuel-fired burner and solid-fuel-fired boiler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8960107B2 (en) * 2005-06-17 2015-02-24 The SEFA Group Inc. Apparatus for turbulent combustion of fly ash

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483728A (en) * 1945-09-18 1949-10-04 Hercules Powder Co Ltd Method and apparatus for burning high moisture content fuel
US3387574A (en) * 1966-11-14 1968-06-11 Combustion Eng System for pneumatically transporting high-moisture fuels such as bagasse and bark and an included furnace for drying and burning those fuels in suspension under high turbulence
SU606035A1 (en) * 1976-04-21 1978-05-05 Предприятие П/Я А-3513 Combustion chamber
SU861845A1 (en) * 1979-10-04 1981-09-07 Дальневосточный Ордена Трудового Красного Знамени Политехнический Институт Им.В.В.Куйбышева Fire box
JPS5833019A (en) * 1981-08-21 1983-02-26 Mitsubishi Heavy Ind Ltd Method of reducing nitrogen oxides in combustion exhaust gas
DE3403981A1 (en) * 1984-02-04 1985-08-14 Deutsche Babcock Werke AG, 4200 Oberhausen Process and apparatus for the operation of a furnace with a reduced formation of nitrogen oxides
JPS6176815A (en) * 1985-09-13 1986-04-19 Babcock Hitachi Kk Combustion reducing nitrogen oxide
EP0428932A2 (en) * 1989-11-20 1991-05-29 Mitsubishi Jukogyo Kabushiki Kaisha Method of combustion
EP1435485A1 (en) * 2002-12-26 2004-07-07 Hitachi Ltd. Solid fuel boiler and method of operating combustion apparatus
US20120152158A1 (en) * 2009-12-17 2012-06-21 Mitsubishi Heavy Industries, Ltd. Solid-fuel-fired burner and solid-fuel-fired boiler
US20120145052A1 (en) * 2010-11-16 2012-06-14 Alstom Technology Ltd. Apparatus and method of controlling the thermal performance of an oxygen-fired boiler

Also Published As

Publication number Publication date
US20150099233A1 (en) 2015-04-09
PL2860447T3 (en) 2019-03-29
EP2860447B1 (en) 2018-09-12
RS58041B1 (en) 2019-02-28
EP2860447A2 (en) 2015-04-15
GB201317795D0 (en) 2013-11-20

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