EP0714989A4 - Procede de production et d'acier au moyen d'un convertisseur - Google Patents
Procede de production et d'acier au moyen d'un convertisseurInfo
- Publication number
- EP0714989A4 EP0714989A4 EP94919835A EP94919835A EP0714989A4 EP 0714989 A4 EP0714989 A4 EP 0714989A4 EP 94919835 A EP94919835 A EP 94919835A EP 94919835 A EP94919835 A EP 94919835A EP 0714989 A4 EP0714989 A4 EP 0714989A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- converter
- steel manufacturing
- steel
- manufacturing
- 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.)
- Granted
Links
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
- C21C5/34—Blowing through the bath
-
- 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
- C21C5/35—Blowing from above and through the bath
-
- 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
-
- 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
- C21C5/56—Manufacture of steel by other methods
- C21C5/567—Manufacture of steel by other methods operating in a continuous way
-
- 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
- C21C7/068—Decarburising
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0075—Regulation of the charge quantity
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0078—Regulation of the speed of the gas through the charge
-
- 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
- F27D2027/002—Gas stirring
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (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)
Applications Claiming Priority (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16256493A JP2958842B2 (ja) | 1993-06-30 | 1993-06-30 | 転炉精錬方法 |
JP16256493 | 1993-06-30 | ||
JP162564/93 | 1993-06-30 | ||
JP165790/93 | 1993-07-05 | ||
JP16579093 | 1993-07-05 | ||
JP16579093 | 1993-07-05 | ||
JP329086/93 | 1993-12-24 | ||
JP329088/93 | 1993-12-24 | ||
JP32908693A JP2896838B2 (ja) | 1993-12-24 | 1993-12-24 | 溶鋼製造法 |
JP32908893 | 1993-12-24 | ||
JP32908693 | 1993-12-24 | ||
JP32908893A JP2958848B2 (ja) | 1993-12-24 | 1993-12-24 | 溶銑の脱りん方法 |
JP1102794 | 1994-02-02 | ||
JP11027/94 | 1994-02-02 | ||
JP01102794A JP3239197B2 (ja) | 1993-07-05 | 1994-02-02 | 転炉製鋼法 |
PCT/JP1994/001070 WO1995001458A1 (fr) | 1993-06-30 | 1994-06-30 | Procede de production et d'acier au moyen d'un convertisseur |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0714989A1 EP0714989A1 (fr) | 1996-06-05 |
EP0714989A4 true EP0714989A4 (fr) | 1997-06-25 |
EP0714989B1 EP0714989B1 (fr) | 2000-03-22 |
Family
ID=27519242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94919835A Revoked EP0714989B1 (fr) | 1993-06-30 | 1994-06-30 | Procede de production d'acier dephosphore au moyen d'un convertisseur |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0714989B1 (fr) |
KR (1) | KR0159180B1 (fr) |
CN (1) | CN1041843C (fr) |
AU (1) | AU680268B2 (fr) |
BR (1) | BR9406985A (fr) |
CA (1) | CA2166097C (fr) |
DE (1) | DE69423630T2 (fr) |
ES (1) | ES2143547T3 (fr) |
WO (1) | WO1995001458A1 (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3854482B2 (ja) * | 2001-09-27 | 2006-12-06 | 新日本製鐵株式会社 | 溶銑の予備処理方法及び精錬方法 |
JP3940280B2 (ja) * | 2001-09-27 | 2007-07-04 | 新日本製鐵株式会社 | 溶銑の脱りん方法 |
DE10215839A1 (de) * | 2002-04-10 | 2003-11-06 | Sms Demag Ag | Verfahren und Einrichtung zum Erzeugen von C-Stählen oder nichtrostenden Stählen durch Frischen von phosphorreichem Roheisen im Elektrolichtbogen-Ofen oder im Konverter-Gefäß |
DE10215828B4 (de) * | 2002-04-10 | 2007-08-02 | Sms Demag Ag | Verfahren und Einrichtung zum Erzeugen von nichtrostendem Stahl, insbesondere von chrom- oder chromnickelhaltigem Edelstahl |
US20070179161A1 (en) * | 2003-03-31 | 2007-08-02 | Vernalis (Cambridge) Limited. | Pyrazolopyrimidine compounds and their use in medicine |
EP1524322A3 (fr) * | 2003-10-15 | 2006-08-02 | Milan Adelt | Procédé de production d'acier liquide en recyclage de laitiers dans le convertisseur, et equipement pour mettre en oeuvre ce procédé |
KR100749023B1 (ko) * | 2006-05-26 | 2007-08-14 | 주식회사 포스코 | 극저린강의 전로 정련 방법 |
CN101864508B (zh) * | 2010-07-02 | 2012-10-24 | 张觉灵 | 小渣量转炉炼钢方法 |
CN102071277B (zh) * | 2010-12-23 | 2012-10-24 | 攀钢集团钢铁钒钛股份有限公司 | 一种转炉脱磷炼钢方法 |
CN102168160B (zh) * | 2011-03-08 | 2013-04-17 | 武汉钢铁(集团)公司 | 使锰矿直接还原合金化的转炉炼钢工艺 |
JP5979017B2 (ja) * | 2012-01-19 | 2016-08-24 | Jfeスチール株式会社 | 溶銑の精錬方法 |
WO2014112521A1 (fr) * | 2013-01-18 | 2014-07-24 | Jfeスチール株式会社 | Procédé de prétraitement de fer fondu |
CN104451022B (zh) * | 2014-12-19 | 2016-03-16 | 山东钢铁股份有限公司 | 一种降低脱磷炉终渣全铁含量的方法 |
KR101660774B1 (ko) | 2015-07-09 | 2016-09-28 | 주식회사 포스코 | 전로 조업 방법 |
WO2017130837A1 (fr) * | 2016-01-28 | 2017-08-03 | 新日鐵住金株式会社 | Procédé d'élimination de scories, procédé de production de scories, et structure d'amortissement d'énergie de chute de scorie |
CN108779506B (zh) * | 2016-07-14 | 2023-07-25 | 日本制铁株式会社 | 钢水中磷浓度估计方法和转炉吹炼控制装置 |
CN106282487B (zh) * | 2016-09-13 | 2019-03-29 | 北京北科中钢工程技术有限公司 | 一种铁水预脱磷方法 |
JP6551626B2 (ja) * | 2017-05-25 | 2019-07-31 | Jfeスチール株式会社 | 高マンガン鋼の溶製方法 |
CN109097523B (zh) * | 2018-08-31 | 2019-12-24 | 钢铁研究总院 | 一种双渣法冶炼工艺 |
CN114438276B (zh) * | 2022-02-11 | 2022-08-09 | 山东钢铁集团永锋临港有限公司 | 一种缩短转炉冶炼周期的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2072221A (en) * | 1980-03-21 | 1981-09-30 | Nippon Steel Corp | Steelmaking process with separate refining steps |
GB2122649A (en) * | 1982-05-28 | 1984-01-18 | Sumitomo Metal Ind | Production of ultra-low phosphorous steel |
EP0124890A1 (fr) * | 1983-05-05 | 1984-11-14 | MANNESMANN Aktiengesellschaft | Procédé et dispositif pour la fabrication d'acier |
FR2558482A1 (fr) * | 1984-01-25 | 1985-07-26 | Siderurgie Fse Inst Rech | Procede d'elaboration de l'acier par preaffinage de la fonte |
JPH0472007A (ja) * | 1990-07-10 | 1992-03-06 | Nippon Steel Corp | 溶鋼製造法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2607329B2 (ja) * | 1992-03-04 | 1997-05-07 | 新日本製鐵株式会社 | 溶銑の脱りん方法 |
JP2607328B2 (ja) * | 1992-03-04 | 1997-05-07 | 新日本製鐵株式会社 | 溶銑の脱りん方法 |
-
1994
- 1994-06-30 AU AU70831/94A patent/AU680268B2/en not_active Expired
- 1994-06-30 BR BR9406985-9A patent/BR9406985A/pt not_active IP Right Cessation
- 1994-06-30 CN CN94192953A patent/CN1041843C/zh not_active Expired - Lifetime
- 1994-06-30 ES ES94919835T patent/ES2143547T3/es not_active Expired - Lifetime
- 1994-06-30 EP EP94919835A patent/EP0714989B1/fr not_active Revoked
- 1994-06-30 WO PCT/JP1994/001070 patent/WO1995001458A1/fr not_active Application Discontinuation
- 1994-06-30 CA CA002166097A patent/CA2166097C/fr not_active Expired - Lifetime
- 1994-06-30 KR KR1019950705930A patent/KR0159180B1/ko not_active IP Right Cessation
- 1994-06-30 DE DE69423630T patent/DE69423630T2/de not_active Revoked
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2072221A (en) * | 1980-03-21 | 1981-09-30 | Nippon Steel Corp | Steelmaking process with separate refining steps |
GB2122649A (en) * | 1982-05-28 | 1984-01-18 | Sumitomo Metal Ind | Production of ultra-low phosphorous steel |
EP0124890A1 (fr) * | 1983-05-05 | 1984-11-14 | MANNESMANN Aktiengesellschaft | Procédé et dispositif pour la fabrication d'acier |
FR2558482A1 (fr) * | 1984-01-25 | 1985-07-26 | Siderurgie Fse Inst Rech | Procede d'elaboration de l'acier par preaffinage de la fonte |
JPH0472007A (ja) * | 1990-07-10 | 1992-03-06 | Nippon Steel Corp | 溶鋼製造法 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 016, no. 277 (C - 0954) 22 June 1992 (1992-06-22) * |
See also references of WO9501458A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU680268B2 (en) | 1997-07-24 |
CN1041843C (zh) | 1999-01-27 |
CA2166097C (fr) | 2002-01-15 |
KR0159180B1 (ko) | 1999-01-15 |
ES2143547T3 (es) | 2000-05-16 |
AU7083194A (en) | 1995-01-24 |
EP0714989B1 (fr) | 2000-03-22 |
DE69423630D1 (de) | 2000-04-27 |
KR960703440A (ko) | 1996-08-17 |
EP0714989A1 (fr) | 1996-06-05 |
CN1128050A (zh) | 1996-07-31 |
BR9406985A (pt) | 1996-03-05 |
WO1995001458A1 (fr) | 1995-01-12 |
DE69423630T2 (de) | 2000-11-09 |
CA2166097A1 (fr) | 1995-01-12 |
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