WO2011056069A3 - Method for improving the combustion efficiency of a burner of a hot blast stove, and such a hot blast stove comprising a gas burner - Google Patents

Method for improving the combustion efficiency of a burner of a hot blast stove, and such a hot blast stove comprising a gas burner Download PDF

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Publication number
WO2011056069A3
WO2011056069A3 PCT/NL2010/050732 NL2010050732W WO2011056069A3 WO 2011056069 A3 WO2011056069 A3 WO 2011056069A3 NL 2010050732 W NL2010050732 W NL 2010050732W WO 2011056069 A3 WO2011056069 A3 WO 2011056069A3
Authority
WO
WIPO (PCT)
Prior art keywords
burner
hot blast
blast stove
gas
improving
Prior art date
Application number
PCT/NL2010/050732
Other languages
French (fr)
Other versions
WO2011056069A2 (en
Inventor
Jacobus Van Laar
Jan Soonius
Original Assignee
Heatteq Refractory Holding B.V.
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 Heatteq Refractory Holding B.V. filed Critical Heatteq Refractory Holding B.V.
Publication of WO2011056069A2 publication Critical patent/WO2011056069A2/en
Publication of WO2011056069A3 publication Critical patent/WO2011056069A3/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 
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/10—Other details, e.g. blast mains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D91/00—Burners specially adapted for specific applications, not otherwise provided for
    • F23D91/02—Burners specially adapted for specific applications, not otherwise provided for for use in particular heating operations
    • 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 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/21—Burners specially adapted for a particular use
    • F23D2900/21001—Burners specially adapted for a particular use for use in blast furnaces

Abstract

Hot blast stove (1) comprising a gas burner (2), said burner(2) having a burner crown (3) at which gas and air ducts have discharge openings, provided with a central gas duct ( 4 ) and side air ducts ( 5 ) for primary combustion air, which si air ducts ( 5 ) have their discharge openings at opposite sides of the discharge opening of said gas duct ( 4 ), and provided with at least one auxiliary air duct (8) that has one or more outlets (9) for secondary combustion air, wherein the at least one auxiliary air duct (8) is provided above the burner crown (3).
PCT/NL2010/050732 2009-11-04 2010-11-02 Method for improving the combustion efficiency of a burner of a hot blast stove, and such a hot blast stove comprising a gas burner WO2011056069A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2003754 2009-11-04
NL2003754A NL2003754C2 (en) 2009-11-04 2009-11-04 Method for improving the combustion efficiency of a burner of a hot blast stove, and such a hot blast stove comprising a gas burner.

Publications (2)

Publication Number Publication Date
WO2011056069A2 WO2011056069A2 (en) 2011-05-12
WO2011056069A3 true WO2011056069A3 (en) 2011-06-30

Family

ID=42244962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2010/050732 WO2011056069A2 (en) 2009-11-04 2010-11-02 Method for improving the combustion efficiency of a burner of a hot blast stove, and such a hot blast stove comprising a gas burner

Country Status (2)

Country Link
NL (1) NL2003754C2 (en)
WO (1) WO2011056069A2 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR394292A (en) * 1908-09-15 1909-01-19 Fitz Charles Mason Mc Carty William Metallurgical furnace
US3297310A (en) * 1964-02-03 1967-01-10 Licencia Talalmanyokat Hot blast stoves for combusting quality fuels
DE1451460A1 (en) * 1963-08-27 1969-01-23 Koppers Gmbh Heinrich Combustion device for one-room tower-like gas or wind heaters
DE2532437A1 (en) * 1975-07-19 1977-02-03 Krupp Koppers Gmbh Preheating cowper stoves to avoid damaging silica refractories - using one hot gas generator connected to main hot wind duct
US4054409A (en) * 1975-05-15 1977-10-18 Nippon Kokan Kabushiki Kaisha Swirling burners for use in hot blast stoves
US4883003A (en) * 1988-09-26 1989-11-28 Hoskinson Gordon H Secondary combustion chamber for an incinerator
WO1993025850A1 (en) * 1992-06-05 1993-12-23 Hagstroem Ulf A method of minimizing disruption caused by depositions on a supply means for a combustion or gasification plant and such a supply means
WO2004044493A2 (en) * 2002-11-14 2004-05-27 Forschungszentrum Karlsruhe Gmbh Device for gas incorporation in a jet flow on a single plane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8702036A (en) 1987-08-31 1989-03-16 Hoogovens Groep Bv CERAMIC BURNER FOR GAS FOR A FIRE SHAFT FROM A WIND HEATER OF A MAIN OVEN.
NL9200486A (en) 1992-03-16 1993-10-18 Hoogovens Groep Bv CERAMIC BURNER FOR A FIRE SHAFT FROM A WIND HEATER OF A MAIN OVEN.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR394292A (en) * 1908-09-15 1909-01-19 Fitz Charles Mason Mc Carty William Metallurgical furnace
DE1451460A1 (en) * 1963-08-27 1969-01-23 Koppers Gmbh Heinrich Combustion device for one-room tower-like gas or wind heaters
US3297310A (en) * 1964-02-03 1967-01-10 Licencia Talalmanyokat Hot blast stoves for combusting quality fuels
US4054409A (en) * 1975-05-15 1977-10-18 Nippon Kokan Kabushiki Kaisha Swirling burners for use in hot blast stoves
DE2532437A1 (en) * 1975-07-19 1977-02-03 Krupp Koppers Gmbh Preheating cowper stoves to avoid damaging silica refractories - using one hot gas generator connected to main hot wind duct
US4883003A (en) * 1988-09-26 1989-11-28 Hoskinson Gordon H Secondary combustion chamber for an incinerator
WO1993025850A1 (en) * 1992-06-05 1993-12-23 Hagstroem Ulf A method of minimizing disruption caused by depositions on a supply means for a combustion or gasification plant and such a supply means
WO2004044493A2 (en) * 2002-11-14 2004-05-27 Forschungszentrum Karlsruhe Gmbh Device for gas incorporation in a jet flow on a single plane

Also Published As

Publication number Publication date
WO2011056069A2 (en) 2011-05-12
NL2003754C2 (en) 2011-05-10

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