IN2014MN00581A - - Google Patents

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Publication number
IN2014MN00581A
IN2014MN00581A IN581MUN2014A IN2014MN00581A IN 2014MN00581 A IN2014MN00581 A IN 2014MN00581A IN 581MUN2014 A IN581MUN2014 A IN 581MUN2014A IN 2014MN00581 A IN2014MN00581 A IN 2014MN00581A
Authority
IN
India
Prior art keywords
oxygen gas
nozzle
gas injection
ejection opening
refining oxygen
Prior art date
Application number
Other languages
English (en)
Inventor
Goro Okuyama
Naoki Kikuchi
Yuichi Uchida
Yukio Takahashi
Shingo Sato
Kenji Nakase
Yasutaka Ta
Yuji Miki
Original Assignee
Jfe Steel Corp
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
Priority claimed from JP2011227627A external-priority patent/JP5365678B2/ja
Priority claimed from JP2012080174A external-priority patent/JP5928095B2/ja
Priority claimed from JP2012080173A external-priority patent/JP5928094B2/ja
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of IN2014MN00581A publication Critical patent/IN2014MN00581A/en

Links

Classifications

    • 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
    • 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
    • C21C5/35—Blowing from above and through the bath
    • 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
    • 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
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0075—Regulation of the charge quantity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (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)
  • Treatment Of Steel In Its Molten State (AREA)
IN581MUN2014 2011-10-17 2012-10-16 IN2014MN00581A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011227627A JP5365678B2 (ja) 2011-10-17 2011-10-17 バーナー機能を付与した粉体吹込みランス、その粉体吹込みランスを用いた溶鉄の精錬方法および金属溶湯の溶融還元方法
JP2012080174A JP5928095B2 (ja) 2012-03-30 2012-03-30 溶融鉄の精錬方法
JP2012080173A JP5928094B2 (ja) 2012-03-30 2012-03-30 溶融鉄の精錬方法
PCT/JP2012/006610 WO2013057927A1 (ja) 2011-10-17 2012-10-16 粉体吹込みランスおよびその粉体吹込みランスを用いた溶融鉄の精錬方法

Publications (1)

Publication Number Publication Date
IN2014MN00581A true IN2014MN00581A (ko) 2015-07-03

Family

ID=48140593

Family Applications (1)

Application Number Title Priority Date Filing Date
IN581MUN2014 IN2014MN00581A (ko) 2011-10-17 2012-10-16

Country Status (7)

Country Link
US (1) US9580764B2 (ko)
EP (1) EP2752497B1 (ko)
KR (1) KR101623285B1 (ko)
CN (1) CN103890199B (ko)
IN (1) IN2014MN00581A (ko)
TW (1) TWI535853B (ko)
WO (1) WO2013057927A1 (ko)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016120943A1 (ja) * 2015-01-27 2016-08-04 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
BR102015003522A2 (pt) * 2015-02-19 2016-08-23 Lumar Metals Ltda conjunto de lança de sopro para fabricação e refino de metais
BR112017021087B1 (pt) * 2015-03-30 2021-08-31 Jfe Steel Corporation Método de operação de conversor de sopro superior e inferior
KR20160126190A (ko) 2015-04-23 2016-11-02 주식회사 포스코 진공조 랜스 윤활장치
US10240218B2 (en) 2015-06-17 2019-03-26 Larry J Epps Coaxial material-stirring lance and method of use
US10344343B2 (en) 2016-06-15 2019-07-09 Larry J Epps Multiple chamber material-stirring lance and method
KR101798844B1 (ko) * 2016-09-02 2017-11-17 주식회사 포스코 랜스 및 이를 이용한 조업 방법
WO2018207718A1 (ja) 2017-05-08 2018-11-15 Ｊｆｅスチール株式会社 転炉の操業方法
JP6721129B2 (ja) * 2017-08-21 2020-07-08 日本製鉄株式会社 転炉吹錬用上吹きランスおよび溶銑の精錬方法
EP3495514A1 (en) * 2017-12-06 2019-06-12 Linde Aktiengesellschaft Process for injecting particulate material into a liquid metal bath
JP6607333B2 (ja) * 2017-12-15 2019-11-20 Ｊｆｅスチール株式会社 溶鉄の精錬方法
CN108374070A (zh) * 2018-05-04 2018-08-07 北京京科名创工程技术有限公司 喷吹注剂搅拌装置
DE102018208433A1 (de) * 2018-05-29 2019-12-05 Sms Group Gmbh Sauerstoffinjektor für einen Konverter insbesondere zur Stahlherstellung
CN109182653A (zh) * 2018-10-16 2019-01-11 含山县林头宝兴铸造厂 一种生铁铸件的高效脱硫方法
JP7372546B2 (ja) * 2020-03-19 2023-11-01 日本製鉄株式会社 溶解炉の精錬方法
CN112094980B (zh) * 2020-08-18 2021-06-01 北京科技大学 一种转炉顶底复合喷粉高效冶炼的***及冶炼方法
DE102020215147A1 (de) * 2020-12-01 2022-06-02 Sms Group Gmbh Verfahren zum pyrometallurgischen Einschmelzen von metallhaltigen Rohstoffen, Reststoffen und/oder Sekundärreststoffen
WO2022163219A1 (ja) * 2021-01-26 2022-08-04 Ｊｆｅスチール株式会社 溶鉄の精錬方法
EP4257708A4 (en) * 2021-02-01 2024-05-01 JFE Steel Corporation TOP BLOWING LANCE FOR CONVERTER, METHOD FOR ADDING AUXILIARY RAW MATERIAL, AND METHOD FOR REFINING MOLTEN IRON
CN115323101B (zh) * 2022-08-02 2023-12-15 鞍钢股份有限公司 一种转炉氧枪快速打火的方法
CN115681989A (zh) * 2022-10-31 2023-02-03 山西智博环化工程有限公司 熔融炉内热流场的控制方法、熔融炉及其应用

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
JPS6067610A (ja) 1983-09-19 1985-04-18 Sumitomo Metal Ind Ltd 製鋼法
US4752330A (en) * 1986-11-21 1988-06-21 American Combustion, Inc. Method for melting and refining metals
JP3577365B2 (ja) 1995-06-30 2004-10-13 新日本製鐵株式会社 溶銑の予備処理方法
JPH1180825A (ja) 1997-09-09 1999-03-26 Nippon Steel Corp 転炉精錬用上吹きランスおよびそれによる転炉精錬方法
RU2219247C2 (ru) * 1998-08-28 2003-12-20 Фоест-Альпине Индустрианлагенбау ГмбХ Способ получения металлического расплава и многофункциональная фурма для получения металлического расплава (варианты)
JP2000345226A (ja) 1999-06-02 2000-12-12 Sumitomo Metal Ind Ltd 溶銑の脱りん方法
JP4019117B2 (ja) * 2001-09-28 2007-12-12 大陽日酸株式会社 粉体吹込み装置および精錬方法
JP2003268434A (ja) * 2002-03-13 2003-09-25 Jfe Steel Kk ガス上吹きランス及びそれを用いた溶鉄の精錬方法
JP2004000093A (ja) 2002-05-31 2004-01-08 Toshiba Lighting & Technology Corp 発光装置および照明装置
JP4050195B2 (ja) 2002-07-08 2008-02-20 大陽日酸株式会社 冷鉄源の溶解・精錬炉の操業方法および精錬方法
JP5031977B2 (ja) 2004-05-31 2012-09-26 Ｊｆｅスチール株式会社 溶銑の脱燐処理方法
JP4735169B2 (ja) 2005-09-30 2011-07-27 Ｊｆｅスチール株式会社 溶銑の脱燐処理方法
DE102008063796A1 (de) * 2008-12-17 2010-06-24 Sms Siemag Aktiengesellschaft Verfahren zum Erzeugen von Stahl mit niedrigem Phosphorgehalt in einem Sauerstoffkonverter
CN201476584U (zh) * 2009-08-31 2010-05-19 王景智 电炉炼钢用碳氧喷枪
JP5707702B2 (ja) 2010-01-29 2015-04-30 Ｊｆｅスチール株式会社 溶銑の脱燐処理方法

Also Published As

Publication number Publication date
EP2752497B1 (en) 2018-08-22
BR112014009106A2 (pt) 2017-04-18
CN103890199A (zh) 2014-06-25
EP2752497A1 (en) 2014-07-09
US20140298955A1 (en) 2014-10-09
US9580764B2 (en) 2017-02-28
KR20140084185A (ko) 2014-07-04
WO2013057927A1 (ja) 2013-04-25
TW201326408A (zh) 2013-07-01
TWI535853B (zh) 2016-06-01
CN103890199B (zh) 2016-01-20
KR101623285B1 (ko) 2016-05-20
EP2752497A4 (en) 2016-03-02

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