KR102444944B1 - 배출 슬래그의 포밍 진정 방법 및 이것에 이용되는 정련 설비 - Google Patents

배출 슬래그의 포밍 진정 방법 및 이것에 이용되는 정련 설비 Download PDF

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KR102444944B1
KR102444944B1 KR1020207023014A KR20207023014A KR102444944B1 KR 102444944 B1 KR102444944 B1 KR 102444944B1 KR 1020207023014 A KR1020207023014 A KR 1020207023014A KR 20207023014 A KR20207023014 A KR 20207023014A KR 102444944 B1 KR102444944 B1 KR 102444944B1
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KR
South Korea
Prior art keywords
slag
foaming
discharged
viscosity reducing
height
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KR1020207023014A
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English (en)
Korean (ko)
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KR20200105923A (ko
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겐이치로 나이토
아키히로 마츠자와
다카오 나카기리
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닛폰세이테츠 가부시키가이샤
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Publication of KR20200105923A publication Critical patent/KR20200105923A/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
    • C21C5/30—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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (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)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
KR1020207023014A 2018-04-24 2019-04-15 배출 슬래그의 포밍 진정 방법 및 이것에 이용되는 정련 설비 KR102444944B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2018-083208 2018-04-24
JP2018083208 2018-04-24
PCT/JP2019/016140 WO2019208303A1 (ja) 2018-04-24 2019-04-15 排出スラグのフォーミング鎮静方法およびこれに用いる精錬設備

Publications (2)

Publication Number Publication Date
KR20200105923A KR20200105923A (ko) 2020-09-09
KR102444944B1 true KR102444944B1 (ko) 2022-09-20

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KR1020207023014A KR102444944B1 (ko) 2018-04-24 2019-04-15 배출 슬래그의 포밍 진정 방법 및 이것에 이용되는 정련 설비

Country Status (5)

Country Link
JP (1) JP6935845B2 (ja)
KR (1) KR102444944B1 (ja)
CN (1) CN111712585B (ja)
TW (1) TW201945550A (ja)
WO (1) WO2019208303A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7393634B2 (ja) * 2019-12-13 2023-12-07 日本製鉄株式会社 スラグのフォーミング鎮静方法
WO2022163156A1 (ja) * 2021-02-01 2022-08-04 Ｊｆｅスチール株式会社 溶鉄の精錬方法およびそれを用いた溶鋼の製造方法
JP2023066147A (ja) * 2021-10-28 2023-05-15 Ｊｆｅスチール株式会社 炉内スラグ量推定装置、炉内スラグ量推定方法及び溶鋼製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000160220A (ja) * 1998-11-24 2000-06-13 Kawasaki Steel Corp スラグ・フォーミングの抑制方法
US20030010060A1 (en) * 2000-01-21 2003-01-16 Jean-Luc Roth Method for treating steel plant slag

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62278213A (ja) 1986-05-23 1987-12-03 Nippon Kokan Kk <Nkk> 転炉スロツピング防止方法
JP2596470B2 (ja) 1990-11-14 1997-04-02 新日本製鐵株式会社 スロッピング抑制方法
JP2654587B2 (ja) 1992-04-10 1997-09-17 新日本製鐵株式会社 スラグフォーミング抑制のための炭材吹込み方法
JPH0849004A (ja) * 1994-08-03 1996-02-20 Nippon Steel Corp 溶銑予備処理法
JP3242300B2 (ja) 1995-09-26 2001-12-25 川崎製鉄株式会社 溶銑処理におけるスラグフォーミング抑止方法
JPH1150121A (ja) * 1997-07-29 1999-02-23 Kawasaki Steel Corp スラグフォーミングの抑止方法
JP2000034511A (ja) * 1998-07-15 2000-02-02 Kawasaki Steel Corp 溶銑予備処理方法
JP3750588B2 (ja) 2001-11-12 2006-03-01 住友金属工業株式会社 溶銑の脱珪方法
JP4907411B2 (ja) 2007-04-06 2012-03-28 新日本製鐵株式会社 スラグの鎮静方法
JP4580434B2 (ja) 2008-05-09 2010-11-10 新日本製鐵株式会社 スラグのフォーミング鎮静材及びその鎮静方法
JP4580435B2 (ja) * 2008-05-27 2010-11-10 新日本製鐵株式会社 排滓鍋スラグのフォーミング鎮静材及びその鎮静方法
JP5888445B1 (ja) * 2015-02-10 2016-03-22 Ｊｆｅスチール株式会社 溶融スラグのフォーミング鎮静方法及びスラグ製品の製造方法
JP6260559B2 (ja) * 2015-03-16 2018-01-17 Ｊｆｅスチール株式会社 スラグのフォーミング鎮静剤の投入方法および投入装置
JP6477333B2 (ja) * 2015-07-29 2019-03-06 新日鐵住金株式会社 スラグのフォーミング抑制方法
JP6589998B2 (ja) * 2016-01-28 2019-10-16 日本製鉄株式会社 排滓方法、スラグの製造方法及び流下スラグのエネルギー減衰構造

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000160220A (ja) * 1998-11-24 2000-06-13 Kawasaki Steel Corp スラグ・フォーミングの抑制方法
US20030010060A1 (en) * 2000-01-21 2003-01-16 Jean-Luc Roth Method for treating steel plant slag

Also Published As

Publication number Publication date
JPWO2019208303A1 (ja) 2020-12-10
JP6935845B2 (ja) 2021-09-15
CN111712585B (zh) 2022-07-26
CN111712585A (zh) 2020-09-25
KR20200105923A (ko) 2020-09-09
TW201945550A (zh) 2019-12-01
WO2019208303A1 (ja) 2019-10-31

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