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 PDFInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
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).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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. |
NL2003754 | 2009-11-04 |
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)
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)
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. |
-
2009
- 2009-11-04 NL NL2003754A patent/NL2003754C2/en not_active IP Right Cessation
-
2010
- 2010-11-02 WO PCT/NL2010/050732 patent/WO2011056069A2/en active Application Filing
Patent Citations (8)
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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