KR101346726B1 - 용선의 정련 방법 - Google Patents

용선의 정련 방법 Download PDF

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Publication number
KR101346726B1
KR101346726B1 KR1020127010192A KR20127010192A KR101346726B1 KR 101346726 B1 KR101346726 B1 KR 101346726B1 KR 1020127010192 A KR1020127010192 A KR 1020127010192A KR 20127010192 A KR20127010192 A KR 20127010192A KR 101346726 B1 KR101346726 B1 KR 101346726B1
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KR
South Korea
Prior art keywords
gas
oxygen
supply path
nozzle
lance
Prior art date
Application number
KR1020127010192A
Other languages
English (en)
Korean (ko)
Other versions
KR20120064710A (ko
Inventor
유이치 우치다
후토시 오가사와라
노리야스 가토
마사유키 고게
유마 이가라시
Original Assignee
제이에프이 스틸 가부시키가이샤
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.)
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Application filed by 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20120064710A publication Critical patent/KR20120064710A/ko
Application granted granted Critical
Publication of KR101346726B1 publication Critical patent/KR101346726B1/ko

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    • 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
    • C21C5/4606—Lances or injectors
    • C21C5/4613—Refractory coated lances; Immersion lances
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • 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
    • 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
    • F27D3/18—Charging particulate material using a fluid carrier
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/305—Afterburning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
KR1020127010192A 2009-10-22 2010-10-21 용선의 정련 방법 KR101346726B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JPJP-P-2009-243268 2009-10-22
JP2009243268 2009-10-22
JPJP-P-2010-233357 2010-10-18
JP2010233357A JP5644355B2 (ja) 2009-10-22 2010-10-18 溶銑の精錬方法
PCT/JP2010/069118 WO2011049240A1 (ja) 2009-10-22 2010-10-21 精錬用上吹きランス及びそれを用いた溶銑の精錬方法

Publications (2)

Publication Number Publication Date
KR20120064710A KR20120064710A (ko) 2012-06-19
KR101346726B1 true KR101346726B1 (ko) 2014-01-02

Family

ID=43900460

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127010192A KR101346726B1 (ko) 2009-10-22 2010-10-21 용선의 정련 방법

Country Status (6)

Country Link
JP (1) JP5644355B2 (pt)
KR (1) KR101346726B1 (pt)
CN (1) CN102575306B (pt)
BR (1) BR112012009231B1 (pt)
TW (1) TWI448555B (pt)
WO (1) WO2011049240A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2014KN01258A (pt) * 2011-12-20 2015-10-16 Jfe Steel Corp
JP5915568B2 (ja) * 2012-03-01 2016-05-11 Ｊｆｅスチール株式会社 転炉型精錬炉における溶銑の精錬方法
JP2015522107A (ja) * 2012-07-10 2015-08-03 ルマール メタルズ エルティディエー． 金属製作用の吹き付けスピア、並びにローディング及び吹き付け操作条件のメンテナンス
JP2017002331A (ja) * 2015-06-04 2017-01-05 株式会社神戸製鋼所 溶銑の脱りん処理における固体酸素源の供給方法
CN106086289B (zh) * 2016-08-01 2018-05-29 朱荣 一种采用顶吹氧枪喷粉冶炼不锈钢母液的炼钢方法及装置
KR101798844B1 (ko) * 2016-09-02 2017-11-17 주식회사 포스코 랜스 및 이를 이용한 조업 방법
JP6702369B2 (ja) * 2017-09-15 2020-06-03 Ｊｆｅスチール株式会社 脱燐処理方法
KR102344147B1 (ko) 2017-12-22 2021-12-27 제이에프이 스틸 가부시키가이샤 용철의 송산 정련 방법 및 상취 랜스
CN113661258A (zh) * 2019-04-05 2021-11-16 杰富意钢铁株式会社 高温熔融物的精炼容器
WO2021229263A1 (en) * 2020-05-11 2021-11-18 Arcelormittal Stirring method of liquid metal and associated device
CN114369728B (zh) * 2021-12-07 2023-09-01 广西金川有色金属有限公司 一种精炼炉顶吹氧化还原的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474122A (en) * 1981-10-16 1984-10-02 Toyo Engineering Corporation Method for protecting equipment auxiliary to fluidized incinerator from corrosion
US20050194120A1 (en) * 2004-03-04 2005-09-08 H2Gen Innovations, Inc. Heat exchanger having plural tubular arrays
JP2008208407A (ja) 2007-02-26 2008-09-11 Jfe Steel Kk 精錬用上吹きランス及び精錬用上吹きランスの破孔検知方法
JP2009174029A (ja) 2008-01-28 2009-08-06 Jfe Steel Corp 転炉操業方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474122A (en) * 1981-10-16 1984-10-02 Toyo Engineering Corporation Method for protecting equipment auxiliary to fluidized incinerator from corrosion
US20050194120A1 (en) * 2004-03-04 2005-09-08 H2Gen Innovations, Inc. Heat exchanger having plural tubular arrays
JP2008208407A (ja) 2007-02-26 2008-09-11 Jfe Steel Kk 精錬用上吹きランス及び精錬用上吹きランスの破孔検知方法
JP2009174029A (ja) 2008-01-28 2009-08-06 Jfe Steel Corp 転炉操業方法

Also Published As

Publication number Publication date
JP2011106028A (ja) 2011-06-02
BR112012009231B1 (pt) 2021-06-01
TW201130989A (en) 2011-09-16
KR20120064710A (ko) 2012-06-19
JP5644355B2 (ja) 2014-12-24
CN102575306B (zh) 2014-10-01
WO2011049240A1 (ja) 2011-04-28
BR112012009231A2 (pt) 2016-08-23
CN102575306A (zh) 2012-07-11
TWI448555B (zh) 2014-08-11

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