CN104169442B - 钢液的真空精炼方法 - Google Patents

钢液的真空精炼方法 Download PDF

Info

Publication number
CN104169442B
CN104169442B CN201380012488.3A CN201380012488A CN104169442B CN 104169442 B CN104169442 B CN 104169442B CN 201380012488 A CN201380012488 A CN 201380012488A CN 104169442 B CN104169442 B CN 104169442B
Authority
CN
China
Prior art keywords
molten steel
fuel
ore
spray gun
burner
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
CN201380012488.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN104169442A (zh
Inventor
中井由枝
奥山悟郎
藤井勇辅
菊池直树
小笠原泰志
三木祐司
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.)
JFE Engineering Corp
Original Assignee
NKK 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 NKK Corp filed Critical NKK Corp
Publication of CN104169442A publication Critical patent/CN104169442A/zh
Application granted granted Critical
Publication of CN104169442B publication Critical patent/CN104169442B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21C7/10Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CN201380012488.3A 2012-03-15 2013-03-13 钢液的真空精炼方法 Active CN104169442B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-058102 2012-03-15
JP2012058102 2012-03-15
PCT/JP2013/056932 WO2013137292A1 (ja) 2012-03-15 2013-03-13 溶鋼の真空精錬方法

Publications (2)

Publication Number Publication Date
CN104169442A CN104169442A (zh) 2014-11-26
CN104169442B true CN104169442B (zh) 2015-12-30

Family

ID=49161197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380012488.3A Active CN104169442B (zh) 2012-03-15 2013-03-13 钢液的真空精炼方法

Country Status (5)

Country Link
JP (1) JP5382275B1 (ko)
KR (1) KR101529454B1 (ko)
CN (1) CN104169442B (ko)
TW (1) TWI490340B (ko)
WO (1) WO2013137292A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6028750B2 (ja) * 2014-02-21 2016-11-16 Jfeスチール株式会社 マンガン含有低炭素鋼の溶製方法
JP6124022B2 (ja) * 2014-09-24 2017-05-10 Jfeスチール株式会社 低炭素高マンガン鋼の溶製方法
JP6269550B2 (ja) * 2015-03-30 2018-01-31 Jfeスチール株式会社 高マンガン鋼の溶製方法
RU2697113C1 (ru) * 2016-02-24 2019-08-12 ДжФЕ СТИЛ КОРПОРЕЙШН Способ рафинирования расплавленной стали в оборудовании для вакуумной дегазации
CN108220532A (zh) * 2016-12-13 2018-06-29 鞍钢股份有限公司 一种提高钢水洁净度的二次精炼方法
CN108611465A (zh) * 2016-12-13 2018-10-02 鞍钢股份有限公司 一种提高rh脱碳速率的钢水精炼方法
JP6648711B2 (ja) * 2017-02-07 2020-02-14 Jfeスチール株式会社 溶銑の脱硫方法
TWI698532B (zh) * 2018-04-17 2020-07-11 日商日本製鐵股份有限公司 鋼液的製造方法
JP6939733B2 (ja) * 2018-07-31 2021-09-22 Jfeスチール株式会社 減圧下での溶鋼の精錬方法
JP6966029B1 (ja) * 2020-04-01 2021-11-10 Jfeスチール株式会社 減圧下における溶鋼の脱炭精錬方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1164873A (zh) * 1995-08-28 1997-11-12 新日本制铁株式会社 真空精炼钢水的方法及其所用的设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2722998B2 (ja) * 1992-07-16 1998-03-09 住友金属工業株式会社 真空脱ガス槽内加熱・精錬方法
TW577929B (en) * 2001-07-02 2004-03-01 Nippon Steel Corp Decarburization refining method of chromium containing molten steel
JP5476815B2 (ja) * 2008-10-08 2014-04-23 Jfeスチール株式会社 真空脱ガス装置における複合ランスを用いた加熱・精錬方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1164873A (zh) * 1995-08-28 1997-11-12 新日本制铁株式会社 真空精炼钢水的方法及其所用的设备

Also Published As

Publication number Publication date
TW201404889A (zh) 2014-02-01
KR101529454B1 (ko) 2015-06-16
JPWO2013137292A1 (ja) 2015-08-03
KR20140111710A (ko) 2014-09-19
TWI490340B (zh) 2015-07-01
WO2013137292A1 (ja) 2013-09-19
CN104169442A (zh) 2014-11-26
JP5382275B1 (ja) 2014-01-08

Similar Documents

Publication Publication Date Title
CN104169442B (zh) 钢液的真空精炼方法
JP6343844B2 (ja) 真空脱ガス設備における溶鋼の精錬方法
WO2013057927A1 (ja) 粉体吹込みランスおよびその粉体吹込みランスを用いた溶融鉄の精錬方法
CN102443675A (zh) 一种低硫钢的生产方法
KR102315999B1 (ko) 고망간강의 용제 방법 및 고망간강의 제조 방법
EP2663662B1 (en) Method of desulfurizing steel
JP6269550B2 (ja) 高マンガン鋼の溶製方法
JP6124022B2 (ja) 低炭素高マンガン鋼の溶製方法
JP5614306B2 (ja) マンガン含有低炭素鋼の溶製方法
JP5928094B2 (ja) 溶融鉄の精錬方法
JP2018100427A (ja) 低硫鋼の製造方法
RU2051180C1 (ru) Способ получения стали в жидкой ванне
JPH06228626A (ja) 脱硫前処理としてのスラグ改質方法
JP5928095B2 (ja) 溶融鉄の精錬方法
JP5621618B2 (ja) マンガン含有低炭素鋼の溶製方法
JP6939733B2 (ja) 減圧下での溶鋼の精錬方法
JP6028750B2 (ja) マンガン含有低炭素鋼の溶製方法
JP2024516544A (ja) 溶鋼のガスアトマイズ法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant