CN111712585B - 排出熔渣的起泡镇静方法及用于其的精炼设备 - Google Patents

排出熔渣的起泡镇静方法及用于其的精炼设备 Download PDF

Info

Publication number
CN111712585B
CN111712585B CN201980012874.XA CN201980012874A CN111712585B CN 111712585 B CN111712585 B CN 111712585B CN 201980012874 A CN201980012874 A CN 201980012874A CN 111712585 B CN111712585 B CN 111712585B
Authority
CN
China
Prior art keywords
slag
foaming
viscosity
substance
discharged
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201980012874.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN111712585A (zh
Inventor
内藤宪一郎
松泽玲洋
中切孝夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal 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 Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of CN111712585A publication Critical patent/CN111712585A/zh
Application granted granted Critical
Publication of CN111712585B publication Critical patent/CN111712585B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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

Landscapes

  • 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)
CN201980012874.XA 2018-04-24 2019-04-15 排出熔渣的起泡镇静方法及用于其的精炼设备 Active CN111712585B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-083208 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
CN111712585A CN111712585A (zh) 2020-09-25
CN111712585B true CN111712585B (zh) 2022-07-26

Family

ID=68294609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980012874.XA Active CN111712585B (zh) 2018-04-24 2019-04-15 排出熔渣的起泡镇静方法及用于其的精炼设备

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 (2)

* 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

Family Cites Families (17)

* 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
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
LU90509B1 (fr) * 2000-01-21 2001-07-23 Wurth Paul Sa Proc-d- de traitement de laitiers d'aci-eries electriques
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
WO2017130837A1 (ja) * 2016-01-28 2017-08-03 新日鐵住金株式会社 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

Also Published As

Publication number Publication date
CN111712585A (zh) 2020-09-25
TW201945550A (zh) 2019-12-01
JP6935845B2 (ja) 2021-09-15
WO2019208303A1 (ja) 2019-10-31
KR102444944B1 (ko) 2022-09-20
JPWO2019208303A1 (ja) 2020-12-10
KR20200105923A (ko) 2020-09-09

Similar Documents

Publication Publication Date Title
JP4580435B2 (ja) 排滓鍋スラグのフォーミング鎮静材及びその鎮静方法
CN111712585B (zh) 排出熔渣的起泡镇静方法及用于其的精炼设备
JP2016148061A (ja) 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
JP6477333B2 (ja) スラグのフォーミング抑制方法
JP6753476B2 (ja) スラグフォーミング鎮静材及びスラグフォーミング鎮静方法並びに転炉吹錬方法
CN110023517A (zh) 抑制炉渣发泡的方法以及转炉精炼方法
CN107849626B (zh) 排渣方法、炉渣的制造方法及流下炉渣的能量衰减结构
JP6835233B2 (ja) スラグのフォーミング抑制方法および転炉精錬方法
JP7464843B2 (ja) スラグのフォーミング鎮静方法および転炉精錬方法
JP6468084B2 (ja) 転炉排滓方法
JP7495615B2 (ja) フォーミング鎮静材
JPWO2020004501A1 (ja) 鋼の製造方法
JP2018109213A (ja) 溶鋼の脱硫方法および脱硫装置
JP2019094522A (ja) スラグの鎮静方法
WO2018146754A1 (ja) スラグのフォーミング抑制方法
TWI638895B (zh) Method for suppressing slag foaming
JP2002173707A (ja) 溶銑脱りん方法
JP6052436B2 (ja) 脱硫処理後の溶銑の復硫防止方法
JP2003147425A (ja) 溶銑の脱珪方法
JP2020105571A (ja) スラグのフォーミング抑制方法および転炉精錬方法
JP2012062571A (ja) 溶銑の脱硫方法
JP5341583B2 (ja) 脱りんスラグの流出防止方法
JP2671063B2 (ja) スラグフォーミング防止法
JP6221705B2 (ja) フォーミング鎮静方法
JP2006274430A (ja) スラグフォーミング抑止剤及び抑止方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant