ZA201001047B - Tuyere for manufacturing molten iron and method for injecting gas using the same - Google Patents

Tuyere for manufacturing molten iron and method for injecting gas using the same

Info

Publication number
ZA201001047B
ZA201001047B ZA2010/01047A ZA201001047A ZA201001047B ZA 201001047 B ZA201001047 B ZA 201001047B ZA 2010/01047 A ZA2010/01047 A ZA 2010/01047A ZA 201001047 A ZA201001047 A ZA 201001047A ZA 201001047 B ZA201001047 B ZA 201001047B
Authority
ZA
South Africa
Prior art keywords
tuyere
same
molten iron
injecting gas
manufacturing molten
Prior art date
Application number
ZA2010/01047A
Other languages
English (en)
Inventor
Il-Hyun Cho
Kim Do-Seung
Jin-Chan Bae
Original Assignee
Posco
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 Posco filed Critical Posco
Publication of ZA201001047B publication Critical patent/ZA201001047B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • C21B7/163—Blowpipe assembly
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/16—Arrangements of tuyeres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Manufacture Of Iron (AREA)
ZA2010/01047A 2007-08-29 2010-02-12 Tuyere for manufacturing molten iron and method for injecting gas using the same ZA201001047B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20070087315 2007-08-29
KR1020070136401A KR100948927B1 (ko) 2007-08-29 2007-12-24 용철 제조용 풍구 및 이를 이용한 가스 취입 방법
PCT/KR2008/005097 WO2009028909A2 (en) 2007-08-29 2008-08-29 Tuyere for manufacturing molten iron and method for injecting gas using the same

Publications (1)

Publication Number Publication Date
ZA201001047B true ZA201001047B (en) 2011-04-28

Family

ID=40692777

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2010/01047A ZA201001047B (en) 2007-08-29 2010-02-12 Tuyere for manufacturing molten iron and method for injecting gas using the same

Country Status (12)

Country Link
US (1) US20110101576A1 (ko)
EP (1) EP2193212B1 (ko)
JP (1) JP5470251B2 (ko)
KR (1) KR100948927B1 (ko)
CN (1) CN101790589A (ko)
AU (1) AU2008293166B2 (ko)
BR (1) BRPI0815742B1 (ko)
CA (1) CA2696872C (ko)
RU (1) RU2478121C2 (ko)
UA (1) UA93635C2 (ko)
WO (1) WO2009028909A2 (ko)
ZA (1) ZA201001047B (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008050599B3 (de) * 2008-10-09 2010-07-29 Uhde Gmbh Vorrichtung und Verfahren zur Verteilung von Primärluft in Koksöfen
KR20130072684A (ko) * 2011-12-22 2013-07-02 주식회사 포스코 풍구 조립체 및 이를 이용한 용철제조장치
US9309578B2 (en) * 2012-07-13 2016-04-12 Jfe Steel Corporation Blast furnace operating method and tube bundle-type lance
RU2674454C2 (ru) * 2013-04-03 2018-12-10 ДжФЕ СТИЛ КОРПОРЕЙШН Способ работы доменной печи и копье
KR101693136B1 (ko) 2013-04-03 2017-01-04 제이에프이 스틸 가부시키가이샤 고로 조업 방법
CN104697320B (zh) * 2015-02-15 2016-12-07 德清县众合保温材料厂（普通合伙） 冲天炉
JP6493744B2 (ja) * 2015-03-24 2019-04-03 Ｊｆｅエンジニアリング株式会社 廃棄物ガス化溶融装置及び廃棄物ガス化溶融方法
JP7396319B2 (ja) 2021-03-23 2023-12-12 Ｊｆｅスチール株式会社 気体還元材の吹込み方法
CN114807480B (zh) * 2022-05-31 2023-07-07 昌黎县兴国精密机件有限公司 喷氢风口小套装置

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397878A (en) * 1965-11-19 1968-08-20 Union Carbide Corp Under-bath tuyere
US3724830A (en) * 1969-08-15 1973-04-03 Joslyn Mfg & Supply Co Molten metal reactor vessel
BE781241A (fr) * 1971-05-28 1972-07-17 Creusot Loire Procede d'affinage des aciers allies contenant du chrome et plus specialement des aciers inoxydables
SU544680A1 (ru) * 1973-07-05 1977-01-30 Фурма дл продувки металла
AR207871A1 (es) * 1974-08-08 1976-11-08 Maximilianshuette Eisenwerk Tobera de inyeccion de gas reactivo en recipientes de fusion o de afino para metales
SU513085A1 (ru) * 1975-01-03 1976-05-05 Институт черной металлургии Фурма дл продувки металла
US3985550A (en) * 1975-01-23 1976-10-12 United States Steel Corporation Method of producing low sulfur steel
DE2633061C3 (de) * 1975-08-14 1980-02-14 Creusot-Loire, Paris Blasverfahren für öfen mit Schmelzschacht, insbesondere Hochöfen und Blasform zur Durchführung des Verfahrens
GB1564738A (en) * 1976-11-25 1980-04-10 British Steel Corp Tuyeres
JPS574137Y2 (ko) * 1979-03-30 1982-01-26
SU854991A1 (ru) * 1979-12-07 1981-08-25 Институт черной металлургии Способ подачи реагентов в фурмы доменной печи
JPS6027723B2 (ja) * 1980-09-26 1985-07-01 新日本製鐵株式会社 溶融鉄中への酸素吹込み羽口の保護方法
JPS5871343A (ja) * 1981-10-22 1983-04-28 Kobe Steel Ltd 溶融金属容器に設けるガス吹込み用ノズル
JPS58113307A (ja) * 1981-12-28 1983-07-06 Sumitomo Metal Ind Ltd 銑鉄の製造方法
US4555266A (en) * 1981-10-05 1985-11-26 Korf Technologies, Inc. Method and apparatus for treating liquid metal in a vessel
JPS63171818A (ja) * 1987-01-09 1988-07-15 Nkk Corp 酸素高炉の羽口
US4754951A (en) * 1987-08-14 1988-07-05 Union Carbide Corporation Tuyere assembly and positioning method
JPH01116022A (ja) * 1987-10-29 1989-05-09 Nkk Corp 溶融炉の底吹きノズル
CA2035542C (en) * 1991-02-01 1996-02-20 David Eric Hall Tuyere injector
CA2119448C (en) * 1991-09-20 1999-09-14 John Millice Floyd Process for production of iron
DE4136274A1 (de) * 1991-11-04 1993-05-06 Kortec Ag, Zug, Ch Verfahren und vorrichtung zum schutz einer in einer heisswindleitung eines hochofens angeordneten einblasvorrichtung
US5263425A (en) * 1992-02-05 1993-11-23 Koenig Larry E Waste processing system door assembly
FR2702221B1 (fr) * 1993-03-03 1995-04-28 Air Liquide Procédé d'obtention de métal au haut-fourneau ou au cubilot.
JP3523716B2 (ja) * 1994-11-02 2004-04-26 Ｊｆｅスチール株式会社 スクラップ溶解法
KR970009084B1 (ko) * 1994-12-29 1997-06-05 김만제 탄소성분을 포함한 미분체 용융장치 및 이를 이용한 미분체 용융방법
JPH09272907A (ja) * 1996-04-05 1997-10-21 Nippon Steel Corp 溶融還元設備の炉体構造
JP4341131B2 (ja) * 2000-01-19 2009-10-07 Ｊｆｅスチール株式会社 微粉炭吹込みバーナー
JP3798322B2 (ja) * 2001-02-19 2006-07-19 新日本製鐵株式会社 高炉羽口からの含酸素粉体吹き込み方法
US20030090044A1 (en) * 2001-11-14 2003-05-15 Xueping Li Method and apparatus for melting metal in a shaft furnace
US20060223967A1 (en) * 2005-03-29 2006-10-05 Conner Mark D Novel polyurea isocyanates
CA2618411C (en) * 2007-01-16 2013-12-03 U.S. Steel Canada Inc. Apparatus and method for injection of fluid hydrocarbons into a blast furnace

Also Published As

Publication number Publication date
EP2193212B1 (en) 2019-04-17
EP2193212A4 (en) 2012-06-13
WO2009028909A2 (en) 2009-03-05
UA93635C2 (ru) 2011-02-25
JP5470251B2 (ja) 2014-04-16
EP2193212A2 (en) 2010-06-09
CA2696872A1 (en) 2009-03-05
BRPI0815742B1 (pt) 2019-10-08
JP2010537153A (ja) 2010-12-02
BRPI0815742A2 (pt) 2015-02-18
KR20090023002A (ko) 2009-03-04
WO2009028909A3 (en) 2009-05-07
CA2696872C (en) 2014-02-25
CN101790589A (zh) 2010-07-28
AU2008293166A1 (en) 2009-03-05
AU2008293166B2 (en) 2011-09-08
RU2010111234A (ru) 2011-10-10
US20110101576A1 (en) 2011-05-05
RU2478121C2 (ru) 2013-03-27
KR100948927B1 (ko) 2010-03-23

Similar Documents

Publication Publication Date Title
ZA201001047B (en) Tuyere for manufacturing molten iron and method for injecting gas using the same
ZA200809577B (en) Method and apparatus for producing direct reduced iron
EP2189547A4 (en) PROCESS FOR PREPARING PILLS WITH REDUCED IRON CONTENT AND METHOD FOR PRODUCING CRUDE IRON
ZA200901550B (en) Apparatus for manufacturing molten irons and method for manufacturing molten irons using the same
EP2039353A4 (en) COMPOSITION CONTAINING REDUCED COENZYME Q10 AND PRODUCTION METHOD THEREOF
EP2322691A4 (en) IRON ALLOY ARTICLE, IRON ALLOY MEMBER, AND METHOD FOR MANUFACTURING THE IRON ALLOY ARTICLE
EP2055797A4 (en) IRON ALLOY AND METHOD FOR MANUFACTURING THE SAME
EP1975258A4 (en) PROTECTED CARBON CONDUCTIVE BLOCK FOR HIGH OVEN AND METHOD FOR CONSTRUCTING A HIGH BOX WITH A CARBON-BASED BLOCK
EP2008771A4 (en) PROCESS FOR PRODUCING METALLIC ELEMENT AND STRUCTURAL ELEMENT
EP2123616A4 (en) GRAPHITE MATERIAL AND MANUFACTURING METHOD THEREFOR
EP2096181A4 (en) IRON BRIQUET OBTAINED BY HOT MOLDING AND METHOD FOR MANUFACTURING THE SAME
ZA200902092B (en) Method and devices for producing molten material
HK1137490A1 (en) Superhard tip and process for producing the same
HK1121004A1 (en) Sock and method for producing the same
EP2045553A4 (en) MELTING OVEN WITH STIRRER AND STIRRER FOR MELTING OVEN
ZA201001331B (en) Process for producing reduced iron pellets, and process for producing pig iron
EP2177745A4 (en) STEEL TUBE FOR FUEL INJECTION TUBE AND MANUFACTURING METHOD THEREFOR
PL2021526T3 (pl) Zabezpieczenie przed zużyciem oraz sposób jego wytwarzania
EP2098602A4 (en) IRON BASED POWDER MATERIAL, METHOD FOR THE PRODUCTION AND FORMING OF STEEL PRODUCTION MATERIAL
EP2018947A4 (en) FORMAT FOR A SEAL, METHOD FOR PRODUCING THE SEAL AND SEAL
TWI367821B (en) Mold and method for manufacturing the same
EP2198992A4 (en) CONTINUOUS CASTING NOZZLE AND METHOD FOR MANUFACTURING THE SAME
EP2093300A4 (en) METHOD FOR PRODUCING GREEK METALLIC IRON AND DEVICE THEREFOR
EP2210959A4 (en) METHOD FOR PRODUCING MELT-LIQUID IRON
ZA201003510B (en) Reducing furnace and apparatus for manufacturing molten iron comprising the same