KR102142198B1 - 탈황제, 용선 탈황 방법 및 용선의 제조 방법 - Google Patents

탈황제, 용선 탈황 방법 및 용선의 제조 방법 Download PDF

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Publication number
KR102142198B1
KR102142198B1 KR1020187001100A KR20187001100A KR102142198B1 KR 102142198 B1 KR102142198 B1 KR 102142198B1 KR 1020187001100 A KR1020187001100 A KR 1020187001100A KR 20187001100 A KR20187001100 A KR 20187001100A KR 102142198 B1 KR102142198 B1 KR 102142198B1
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KR
South Korea
Prior art keywords
molten iron
desulfurization
desulfurizing agent
quicklime
desulfurizing
Prior art date
Application number
KR1020187001100A
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English (en)
Korean (ko)
Other versions
KR20180016593A (ko
Inventor
요시에 나카이
나오키 기쿠치
히데야 마사키
아키라 이치카와
히로하루 이도
유지 미키
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 date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57885668&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR102142198(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20180016593A publication Critical patent/KR20180016593A/ko
Application granted granted Critical
Publication of KR102142198B1 publication Critical patent/KR102142198B1/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
    • C21C7/0037—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
    • 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
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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
    • F27D27/00—Stirring devices for molten material
    • 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
    • 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
    • F27D2003/185—Conveying particles in a conduct using a fluid

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
KR1020187001100A 2015-07-24 2016-07-15 탈황제, 용선 탈황 방법 및 용선의 제조 방법 KR102142198B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2015-146930 2015-07-24
JP2015146930 2015-07-24
PCT/JP2016/071071 WO2017018263A1 (ja) 2015-07-24 2016-07-15 脱硫剤、溶銑脱硫方法および溶銑の製造方法

Publications (2)

Publication Number Publication Date
KR20180016593A KR20180016593A (ko) 2018-02-14
KR102142198B1 true KR102142198B1 (ko) 2020-08-06

Family

ID=57885668

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187001100A KR102142198B1 (ko) 2015-07-24 2016-07-15 탈황제, 용선 탈황 방법 및 용선의 제조 방법

Country Status (7)

Country Link
EP (1) EP3327150B1 (zh)
JP (1) JP6156598B2 (zh)
KR (1) KR102142198B1 (zh)
CN (1) CN107849623B (zh)
BR (1) BR112018001331B1 (zh)
TW (1) TWI616402B (zh)
WO (1) WO2017018263A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110177889B (zh) * 2017-01-19 2021-06-11 杰富意钢铁株式会社 钢水的脱硫处理方法及脱硫剂

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007327120A (ja) * 2006-06-09 2007-12-20 Jfe Steel Kk 溶融鉄の精錬方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511988B1 (zh) 1968-04-20 1976-01-22
JPS5045031Y2 (zh) 1971-10-29 1975-12-20
JPS59157209A (ja) * 1983-02-25 1984-09-06 Sumitomo Metal Ind Ltd 溶鉄の予備処理方法
JPS6256509A (ja) 1985-09-04 1987-03-12 Kawasaki Steel Corp 生石灰を用いる溶銑脱硫方法
JPH0645485B2 (ja) * 1986-05-29 1994-06-15 川崎製鉄株式会社 反応性に優れた精錬剤用の生石灰の製造方法
JPH08268717A (ja) 1995-03-30 1996-10-15 Ishikawajima Harima Heavy Ind Co Ltd 脱硫用石灰石の前処理方法
JPH11221432A (ja) * 1998-02-04 1999-08-17 Nittetsu Mining Co Ltd 石灰石系脱硫剤およびその製造方法
CN1368537A (zh) * 2001-02-09 2002-09-11 王铁钢 燃气高效脱硫剂
CN1249208C (zh) * 2002-10-11 2006-04-05 天津钢管还原铁厂 海绵铁高效脱硫剂
JP4961787B2 (ja) * 2006-03-20 2012-06-27 Ｊｆｅスチール株式会社 溶銑の脱硫方法
JP5101988B2 (ja) * 2007-10-26 2012-12-19 新日鐵住金株式会社 溶融金属の脱硫剤
JP5195737B2 (ja) 2009-12-24 2013-05-15 Ｊｆｅスチール株式会社 溶銑の脱硫方法
JP5177170B2 (ja) * 2010-05-07 2013-04-03 Ｊｆｅスチール株式会社 溶銑の脱硫方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007327120A (ja) * 2006-06-09 2007-12-20 Jfe Steel Kk 溶融鉄の精錬方法

Also Published As

Publication number Publication date
EP3327150A4 (en) 2018-05-30
EP3327150A1 (en) 2018-05-30
TWI616402B (zh) 2018-03-01
JPWO2017018263A1 (ja) 2017-07-27
CN107849623A (zh) 2018-03-27
WO2017018263A1 (ja) 2017-02-02
JP6156598B2 (ja) 2017-07-05
CN107849623B (zh) 2019-06-18
TW201714828A (zh) 2017-05-01
EP3327150B1 (en) 2019-12-25
BR112018001331B1 (pt) 2021-09-28
KR20180016593A (ko) 2018-02-14
BR112018001331A2 (pt) 2018-09-11

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