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)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture Of Iron (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Feeding And Controlling Fuel (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 (de)
EP (1) EP2193212B1 (de)
JP (1) JP5470251B2 (de)
KR (1) KR100948927B1 (de)
CN (1) CN101790589A (de)
AU (1) AU2008293166B2 (de)
BR (1) BRPI0815742B1 (de)
CA (1) CA2696872C (de)
RU (1) RU2478121C2 (de)
UA (1) UA93635C2 (de)
WO (1) WO2009028909A2 (de)
ZA (1) ZA201001047B (de)

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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
AU2014250567C1 (en) * 2013-04-03 2017-06-29 Jfe Steel Corporation Blast furnace operation method
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

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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
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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
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CA2035542C (en) * 1991-02-01 1996-02-20 David Eric Hall Tuyere injector
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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
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Also Published As

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

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