IN2014KN01258A - - Google Patents

Info

Publication number
IN2014KN01258A
IN2014KN01258A IN1258KON2014A IN2014KN01258A IN 2014KN01258 A IN2014KN01258 A IN 2014KN01258A IN 1258KON2014 A IN1258KON2014 A IN 1258KON2014A IN 2014KN01258 A IN2014KN01258 A IN 2014KN01258A
Authority
IN
India
Prior art keywords
molten iron
dephosphorization refining
refining agent
dephosphorization
converter
Prior art date
Application number
Other languages
English (en)
Inventor
Yuichi Uchida
Yuma Igarashi
Hidemitsu Negishi
Naotaka Sasaki
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
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of IN2014KN01258A publication Critical patent/IN2014KN01258A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00Refining of pig-iron; Cast iron
    • C21C1/02Dephosphorising or desulfurising
    • C21C1/025Agents used for dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/32Blowing from above
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • C21C7/0645Agents used for dephosphorising or desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/072Treatment with gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
IN1258KON2014 2011-12-20 2012-12-19 IN2014KN01258A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011278224 2011-12-20
PCT/JP2012/082905 WO2013094634A1 (ja) 2011-12-20 2012-12-19 転炉製鋼方法

Publications (1)

Publication Number Publication Date
IN2014KN01258A true IN2014KN01258A (enExample) 2015-10-16

Family

ID=48668518

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1258KON2014 IN2014KN01258A (enExample) 2011-12-20 2012-12-19

Country Status (8)

Country Link
US (1) US9493854B2 (enExample)
EP (1) EP2796569B1 (enExample)
JP (1) JP5574060B2 (enExample)
KR (1) KR101529843B1 (enExample)
CN (1) CN104126019B (enExample)
IN (1) IN2014KN01258A (enExample)
TW (1) TWI473883B (enExample)
WO (1) WO2013094634A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6180337B2 (ja) * 2014-01-29 2017-08-16 株式会社神戸製鋼所 転炉型容器における上吹き条件を変更する脱りん処理方法
JP6421731B2 (ja) * 2015-09-17 2018-11-14 Jfeスチール株式会社 転炉の操業方法
JP6421732B2 (ja) * 2015-09-17 2018-11-14 Jfeスチール株式会社 転炉の操業方法
RU2697113C1 (ru) * 2016-02-24 2019-08-12 ДжФЕ СТИЛ КОРПОРЕЙШН Способ рафинирования расплавленной стали в оборудовании для вакуумной дегазации
US11542566B2 (en) * 2016-12-27 2023-01-03 Jfe Steel Corporation Method for dephosphorization of hot metal, and refining agent
WO2018135351A1 (ja) * 2017-01-18 2018-07-26 Jfeスチール株式会社 溶銑の脱燐方法
CN107213723A (zh) * 2017-06-15 2017-09-29 石嘴山市荣华缘冶金有限责任公司 用于炼钢的压缩空气除油除水装置
KR20200003114A (ko) * 2017-08-21 2020-01-08 닛폰세이테츠 가부시키가이샤 전로 취련용 상취 랜스 및 용선의 정련 방법
JP6926928B2 (ja) * 2017-10-18 2021-08-25 日本製鉄株式会社 溶鋼の精錬方法
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
CN110218842A (zh) * 2019-07-02 2019-09-10 马鞍山钢铁股份有限公司 一种铁水脱磷装置及方法
JP7380444B2 (ja) * 2020-06-24 2023-11-15 Jfeスチール株式会社 転炉脱りん処理用上吹きランスおよび転炉吹錬方法
CN116377172B (zh) * 2023-03-19 2024-07-19 新疆八一钢铁股份有限公司 一种转炉高效脱磷的操作方法
CN116334342B (zh) * 2023-04-06 2024-06-14 广东中南钢铁股份有限公司 一种减少转炉高架水槽积渣的方法
CN118345214B (zh) * 2024-05-20 2025-11-21 马鞍山钢铁有限公司 转炉顶枪多功能组合式喷射设备及喷射工艺

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185707A (ja) * 1982-04-23 1983-10-29 Sumitomo Metal Ind Ltd 鋼の精錬法
JP3402133B2 (ja) * 1997-07-17 2003-04-28 住友金属工業株式会社 精錬用上吹きランスおよび精錬方法
JPH1192815A (ja) * 1997-09-22 1999-04-06 Nkk Corp ダスト発生を抑制する転炉吹錬法
JPH1192814A (ja) * 1997-09-22 1999-04-06 Nkk Corp ダスト発生を抑制する転炉吹錬方法
JP2002105526A (ja) * 2000-09-28 2002-04-10 Nippon Steel Corp 未滓化石灰が少ない溶銑脱燐方法
JP4273688B2 (ja) * 2000-11-16 2009-06-03 Jfeスチール株式会社 転炉吹錬方法
JP4686873B2 (ja) * 2001-02-28 2011-05-25 Jfeスチール株式会社 溶銑の脱燐方法
JP3854482B2 (ja) * 2001-09-27 2006-12-06 新日本製鐵株式会社 溶銑の予備処理方法及び精錬方法
JP2006274349A (ja) 2005-03-29 2006-10-12 Sumitomo Metal Ind Ltd 鋼の精錬方法
JP4901132B2 (ja) * 2005-05-31 2012-03-21 Jfeスチール株式会社 転炉吹錬方法及び転炉吹錬用上吹きランス
JP4363367B2 (ja) * 2005-06-07 2009-11-11 住友金属工業株式会社 転炉精錬方法
JP5343506B2 (ja) * 2008-10-20 2013-11-13 新日鐵住金株式会社 溶銑の脱燐方法
JP5644355B2 (ja) * 2009-10-22 2014-12-24 Jfeスチール株式会社 溶銑の精錬方法
JP2013133520A (ja) * 2011-12-27 2013-07-08 Jfe Steel Corp 溶銑の脱燐精錬方法

Also Published As

Publication number Publication date
EP2796569A1 (en) 2014-10-29
US20140311295A1 (en) 2014-10-23
CN104126019A (zh) 2014-10-29
TW201331376A (zh) 2013-08-01
US9493854B2 (en) 2016-11-15
JP5574060B2 (ja) 2014-08-20
JPWO2013094634A1 (ja) 2015-04-27
EP2796569B1 (en) 2017-08-02
WO2013094634A1 (ja) 2013-06-27
TWI473883B (zh) 2015-02-21
CN104126019B (zh) 2017-06-23
KR101529843B1 (ko) 2015-06-17
EP2796569A4 (en) 2015-03-18
KR20140090672A (ko) 2014-07-17

Similar Documents

Publication Publication Date Title
IN2014KN01258A (enExample)
CN103468857B (zh) 一种转炉冶炼控制钢水中氮含量的方法
CN103451350B (zh) 一种控制钢水中氮含量的方法
CN102212643A (zh) 一种转炉少渣冶炼工艺
CN104498662B (zh) 一种深拉拔用高碳钢盘条夹杂物的控制方法
CN102851435A (zh) 一种超低碳、低硅和低氧钢及其冶炼方法
CN107365886B (zh) 一种转炉高温脱磷的方法
CN105483501A (zh) 一种含磷超低碳钢的冶炼方法
CN103627842A (zh) 提高半钢冶炼中碳钢时终点碳含量的方法及半钢炼钢方法
CN102242239A (zh) 利用顶底复吹转炉的铁水预脱磷方法
WO2006050963A8 (de) HERSTELLUNG VON ROSTFREISTAHL DER FERRITISCHEN STAHLGRUPPE AISI 4xx IN EINEM AOD-KONVERTER
IN2015KN00602A (enExample)
ATE437973T1 (de) Verfahren zum herstellen von stahl mit hohem mangan- und niedrigem kohlenstoffgehalt
CN105296703B (zh) 顶底复吹转炉含磷钢冶炼方法
CN103627839A (zh) 半钢炼钢碳含量控制方法及半钢炼钢方法
CN103642966B (zh) 提高冶炼高碳高锰钢转炉终点碳含量的方法及炼钢方法
CN107365884A (zh) 一种超低碳钢碳成分窄范围控制的方法
MY190117A (en) Medium- or low-carbon ferromanganese production method and medium- or low-carbon ferromanganese
JP5111514B2 (ja) Ddd装置で前処理された銑鉄に基づいて、電気エネルギーの供給を用いることなく、ステンレス鋼を製造するための方法及び装置
CN100354433C (zh) 转炉冶炼方法
CN103540712B (zh) 一种低碳高氮不锈钢钢包增氮的方法
JP5415275B2 (ja) 銑鉄に基づいて、電気エネルギーの供給を用いることなく、ステンレス鋼を製造するための方法及び装置
CN110592309A (zh) 一种低磷钢的冶炼方法
CN201209147Y (zh) 转炉双联炼钢装置
UA85217C2 (ru) Способ и устройство для производства железосодержащих продуктов