UA93635C2 - tuyeres for manufacturing molten iron and method for oxygen injection through the mentioned tuyeres - Google Patents

tuyeres for manufacturing molten iron and method for oxygen injection through the mentioned tuyeres

Info

Publication number
UA93635C2
UA93635C2 UAA201003505A UAA201003505A UA93635C2 UA 93635 C2 UA93635 C2 UA 93635C2 UA A201003505 A UAA201003505 A UA A201003505A UA A201003505 A UAA201003505 A UA A201003505A UA 93635 C2 UA93635 C2 UA 93635C2
Authority
UA
Ukraine
Prior art keywords
tuyeres
molten iron
mentioned
oxygen injection
manufacturing molten
Prior art date
Application number
UAA201003505A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Іль-Хюн Чхо
До-Сеунг Кім
Цзінь-Чань Бае
Original Assignee
Поско
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 Поско filed Critical Поско
Publication of UA93635C2 publication Critical patent/UA93635C2/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)
  • Manufacture Of Iron (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

A tuyere for manufacturing molten iron is provided. The tuyere includes i) an oxygen injection opening that is configured to inject oxygen therethrough, and ii) a sealing gas injection opening that is located to be spaced apart from the oxygen injection opening and is configured to inject a sealing gas surrounding the oxygen.
UAA201003505A 2007-08-29 2008-08-29 tuyeres for manufacturing molten iron and method for oxygen injection through the mentioned tuyeres UA93635C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20070087315 2007-08-29

Publications (1)

Publication Number Publication Date
UA93635C2 true UA93635C2 (en) 2011-02-25

Family

ID=40692777

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201003505A UA93635C2 (en) 2007-08-29 2008-08-29 tuyeres for manufacturing molten iron and method for oxygen injection through the mentioned tuyeres

Country Status (12)

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

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DE102008050599B3 (en) * 2008-10-09 2010-07-29 Uhde Gmbh Apparatus and method for distributing primary air in coke ovens
KR20130072684A (en) * 2011-12-22 2013-07-02 주식회사 포스코 Tuyere assembly for injecting oxygen and pulverized coal into furnace and apparatus for manufacturing molten iron using the same
CN104471080B (en) * 2012-07-13 2018-09-18 杰富意钢铁株式会社 Method for operating blast furnace and bundled tube spray gun
AU2014250568B2 (en) * 2013-04-03 2016-09-15 Jfe Steel Corporation Blast furnace operation method and lance
CA2903955C (en) * 2013-04-03 2018-04-17 Jfe Steel Corporation Blast furnace operation method
CN104697320B (en) * 2015-02-15 2016-12-07 德清县众合保温材料厂（普通合伙） Furnace cupola
JP6493744B2 (en) * 2015-03-24 2019-04-03 Ｊｆｅエンジニアリング株式会社 Waste gasification and melting apparatus and waste gasification and melting method
JP7396319B2 (en) * 2021-03-23 2023-12-12 Ｊｆｅスチール株式会社 How to blow gaseous reducing agent
CN114807480B (en) * 2022-05-31 2023-07-07 昌黎县兴国精密机件有限公司 Small cover device for hydrogen spraying tuyere

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US3724830A (en) * 1969-08-15 1973-04-03 Joslyn Mfg & Supply Co Molten metal reactor vessel
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SU544680A1 (en) * 1973-07-05 1977-01-30 Lance for purging metal
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DE2633061C3 (en) * 1975-08-14 1980-02-14 Creusot-Loire, Paris Blowing process for furnaces with a melting shaft, in particular blast furnaces and blow molds for carrying out the process
GB1564738A (en) * 1976-11-25 1980-04-10 British Steel Corp Tuyeres
JPS574137Y2 (en) * 1979-03-30 1982-01-26
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JPS6027723B2 (en) * 1980-09-26 1985-07-01 新日本製鐵株式会社 How to protect tuyeres for blowing oxygen into molten iron
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CA2035542C (en) * 1991-02-01 1996-02-20 David Eric Hall Tuyere injector
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Also Published As

Publication number Publication date
KR100948927B1 (en) 2010-03-23
AU2008293166A1 (en) 2009-03-05
WO2009028909A3 (en) 2009-05-07
EP2193212A4 (en) 2012-06-13
JP5470251B2 (en) 2014-04-16
BRPI0815742A2 (en) 2015-02-18
EP2193212B1 (en) 2019-04-17
CA2696872C (en) 2014-02-25
ZA201001047B (en) 2011-04-28
AU2008293166B2 (en) 2011-09-08
KR20090023002A (en) 2009-03-04
RU2010111234A (en) 2011-10-10
BRPI0815742B1 (en) 2019-10-08
JP2010537153A (en) 2010-12-02
US20110101576A1 (en) 2011-05-05
WO2009028909A2 (en) 2009-03-05
EP2193212A2 (en) 2010-06-09
CN101790589A (en) 2010-07-28
CA2696872A1 (en) 2009-03-05
RU2478121C2 (en) 2013-03-27

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