KR101818031B1 - 용선의 탈황 방법 및 탈황제 - Google Patents

용선의 탈황 방법 및 탈황제 Download PDF

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Publication number
KR101818031B1
KR101818031B1 KR1020167023124A KR20167023124A KR101818031B1 KR 101818031 B1 KR101818031 B1 KR 101818031B1 KR 1020167023124 A KR1020167023124 A KR 1020167023124A KR 20167023124 A KR20167023124 A KR 20167023124A KR 101818031 B1 KR101818031 B1 KR 101818031B1
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KR
South Korea
Prior art keywords
desulfurizing agent
calcium aluminate
molten iron
desulfurization
desulfurizing
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Application number
KR1020167023124A
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English (en)
Korean (ko)
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KR20160113212A (ko
Inventor
아키라 이치카와
요시에 나카이
토루 이카가와
슈에이 다나카
마사노리 니시코리
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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Publication of KR20160113212A publication Critical patent/KR20160113212A/ko
Application granted granted Critical
Publication of KR101818031B1 publication Critical patent/KR101818031B1/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for 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
    • 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
    • C21C7/064—Dephosphorising; 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
    • 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
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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
    • Y02P10/242—

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
KR1020167023124A 2014-02-26 2015-02-06 용선의 탈황 방법 및 탈황제 KR101818031B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014035889 2014-02-26
JPJP-P-2014-035889 2014-02-26
PCT/JP2015/000561 WO2015129173A1 (fr) 2014-02-26 2015-02-06 Procédé de désulfuration de fonte brute en fusion et agent de désulfuration

Publications (2)

Publication Number Publication Date
KR20160113212A KR20160113212A (ko) 2016-09-28
KR101818031B1 true KR101818031B1 (ko) 2018-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167023124A KR101818031B1 (ko) 2014-02-26 2015-02-06 용선의 탈황 방법 및 탈황제

Country Status (6)

Country Link
JP (1) JP6061053B2 (fr)
KR (1) KR101818031B1 (fr)
CN (1) CN106062216A (fr)
BR (1) BR112015009513B1 (fr)
TW (1) TWI604060B (fr)
WO (1) WO2015129173A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6402762B2 (ja) * 2015-10-05 2018-10-10 Ｊｆｅスチール株式会社 脱硫剤、機械攪拌式溶銑脱硫方法及び脱硫溶銑の製造方法
CN108048615A (zh) * 2017-12-25 2018-05-18 上海盛宝冶金科技有限公司 一种铁水预处理用脱硫剂及其制备方法
CN108396092A (zh) * 2018-03-26 2018-08-14 首臣（上海）新能源科技有限公司 一种无氟kr脱硫剂,其制造方法及脱硫的方法
CN111137964A (zh) * 2020-01-14 2020-05-12 福建永荣科技有限公司 一种燃煤锅炉氨法脱硫浆液脱氯处理工艺
CN113388716B (zh) * 2021-05-24 2022-10-18 鞍钢股份有限公司 一种无氟复合型铁水脱硫剂及制备方法
CN113403451A (zh) * 2021-05-24 2021-09-17 鞍钢股份有限公司 一种无氟铁水脱硫用球形渣及制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001335820A (ja) * 2000-05-25 2001-12-04 Nippon Steel Corp 溶銑の脱硫剤及び脱硫方法
JP2002206109A (ja) * 2001-01-09 2002-07-26 Nisshin Steel Co Ltd 溶銑脱硫剤および溶銑脱硫方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05222425A (ja) * 1992-02-17 1993-08-31 Nippon Steel Corp カルシウム・アルミネートによる溶銑脱硫および脱硫滓の処理方法
JP3704180B2 (ja) * 1995-06-14 2005-10-05 新日本製鐵株式会社 低珪素濃度溶銑の脱硫方法
JP2003129122A (ja) * 2001-10-25 2003-05-08 Denki Kagaku Kogyo Kk 鉄鋼添加剤
JP2004263285A (ja) * 2003-03-04 2004-09-24 Nippon Steel Corp 溶鋼の脱硫剤および脱硫方法およびカルシウムアルミネート源の製造方法
CN1238532C (zh) * 2003-06-20 2006-01-25 盛富春 低氟复合高活性氧化钙脱硫剂及其制造方法
JP4234118B2 (ja) * 2005-08-08 2009-03-04 電気化学工業株式会社 鉄鋼添加剤
JP5066923B2 (ja) * 2007-01-31 2012-11-07 Ｊｆｅスチール株式会社 溶銑の脱硫処理方法
JP5074063B2 (ja) * 2007-03-20 2012-11-14 Ｊｆｅスチール株式会社 脱硫剤及び溶融鉄の脱硫処理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001335820A (ja) * 2000-05-25 2001-12-04 Nippon Steel Corp 溶銑の脱硫剤及び脱硫方法
JP2002206109A (ja) * 2001-01-09 2002-07-26 Nisshin Steel Co Ltd 溶銑脱硫剤および溶銑脱硫方法

Also Published As

Publication number Publication date
JPWO2015129173A1 (ja) 2017-03-30
KR20160113212A (ko) 2016-09-28
CN106062216A (zh) 2016-10-26
TWI604060B (zh) 2017-11-01
BR112015009513A2 (pt) 2017-07-04
WO2015129173A1 (fr) 2015-09-03
TW201536925A (zh) 2015-10-01
JP6061053B2 (ja) 2017-01-18
BR112015009513B1 (pt) 2021-01-05

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