EP0714989A4 - Procede de production et d'acier au moyen d'un convertisseur - Google Patents

Procede de production et d'acier au moyen d'un convertisseur

Info

Publication number: EP0714989A4
Authority: EP; European Patent Office
Prior art keywords: converter; production; steel process; steel
Prior art date: 1993-06-30
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

Application number

EP94919835A

Other languages

German (de)

English (en)

Other versions

EP0714989B1 (fr

EP0714989A1 (fr

Inventor

Masataka Yano

Yuji Ogawa

Masayuki Arai

Fumio Koizumi

Noriyuki Masumitsu

Hideaki Sasaki

Hiroshi Hirata

Yoshiaki Kusano

Hirobumi Maede

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 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.)

1993-06-30

Filing date

1994-06-30

Publication date

1997-06-25

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27519242&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0714989(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-06-30 Priority claimed from JP16256493A external-priority patent/JP2958842B2/ja

1993-12-24 Priority claimed from JP32908693A external-priority patent/JP2896838B2/ja

1993-12-24 Priority claimed from JP32908893A external-priority patent/JP2958848B2/ja

1994-02-02 Priority claimed from JP01102794A external-priority patent/JP3239197B2/ja

1994-06-30 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

1996-06-05 Publication of EP0714989A1 publication Critical patent/EP0714989A1/fr

1997-06-25 Publication of EP0714989A4 publication Critical patent/EP0714989A4/fr

2000-03-22 Application granted granted Critical

2000-03-22 Publication of EP0714989B1 publication Critical patent/EP0714989B1/fr

2014-06-30 Anticipated expiration legal-status Critical

Status Revoked legal-status Critical Current

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)

EP94919835A 1993-06-30 1994-06-30 Procede de production d'acier dephosphore au moyen d'un convertisseur Revoked EP0714989B1 (fr)

Applications Claiming Priority (16)

Application Number	Priority Date	Filing Date	Title
JP162564/93		1993-06-30
JP16256493		1993-06-30
JP16256493A JP2958842B2 (ja)	1993-06-30	1993-06-30	転炉精錬方法
JP165790/93		1993-07-05
JP16579093		1993-07-05
JP16579093		1993-07-05
JP329086/93		1993-12-24
JP32908693		1993-12-24
JP32908693A JP2896838B2 (ja)	1993-12-24	1993-12-24	溶鋼製造法
JP329088/93		1993-12-24
JP32908893A JP2958848B2 (ja)	1993-12-24	1993-12-24	溶銑の脱りん方法
JP32908893		1993-12-24
JP01102794A JP3239197B2 (ja)	1993-07-05	1994-02-02	転炉製鋼法
JP11027/94		1994-02-02
JP1102794		1994-02-02
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 (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
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
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
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
EP1608652A1 (fr) *	2003-03-31	2005-12-28	Vernalis (Cambridge) Limited	Composes pyrazolopyrimidines et leur utilisation en medecine
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
KR101701658B1 (ko) *	2013-01-18	2017-02-01	제이에프이 스틸 가부시키가이샤	용선의 예비 처리 방법
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
JP6573035B2 (ja) *	2016-07-14	2019-09-11	日本製鉄株式会社	溶鋼中りん濃度推定方法及び転炉吹錬制御装置
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
EP4212637A4 (fr) *	2020-09-10	2024-02-28	JFE Steel Corporation	Procédé permettant de fabriquer du fer fondu à faible teneur en phosphore
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
CN114647220A (zh) *	2022-03-15	2022-06-21	山东钢铁集团永锋临港有限公司	一种转炉冶炼自动控制的方法
CN119460521B (zh) *	2024-11-05	2025-11-25	北京首钢股份有限公司	一种倒罐站加料装置和加料方法

Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 CA CA002166097A patent/CA2166097C/fr not_active Expired - Lifetime
- 1994-06-30 BR BR9406985-9A patent/BR9406985A/pt not_active IP Right Cessation
- 1994-06-30 AU AU70831/94A patent/AU680268B2/en not_active Expired
- 1994-06-30 ES ES94919835T patent/ES2143547T3/es not_active Expired - Lifetime
- 1994-06-30 KR KR1019950705930A patent/KR0159180B1/ko not_active Expired - Lifetime
- 1994-06-30 EP EP94919835A patent/EP0714989B1/fr not_active Revoked
- 1994-06-30 DE DE69423630T patent/DE69423630T2/de not_active Revoked
- 1994-06-30 WO PCT/JP1994/001070 patent/WO1995001458A1/fr not_active Ceased
- 1994-06-30 CN CN94192953A patent/CN1041843C/zh not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
EP0714989B1 (fr)	2000-03-22
AU680268B2 (en)	1997-07-24
WO1995001458A1 (fr)	1995-01-12
DE69423630T2 (de)	2000-11-09
CN1041843C (zh)	1999-01-27
CN1128050A (zh)	1996-07-31
BR9406985A (pt)	1996-03-05
CA2166097C (fr)	2002-01-15
EP0714989A1 (fr)	1996-06-05
KR960703440A (ko)	1996-08-17
DE69423630D1 (de)	2000-04-27
AU7083194A (en)	1995-01-24
KR0159180B1 (ko)	1999-01-15
ES2143547T3 (es)	2000-05-16
CA2166097A1 (fr)	1995-01-12

Publication	Publication Date	Title
EP0714989A4 (fr)	1997-06-25	Procede de production et d'acier au moyen d'un convertisseur
FR2710541B1 (fr)	1998-12-04	Ensemble pour l'introduction d'un cathéter.
FR2675606B1 (fr)	1993-07-16	Procede de decompilation pour la realisation de graphes au moyen d'un ordinateur.
EP0658632A4 (fr)	1995-11-29	Acier tres resistant a la corrosion et acier tres resistant a la corrosion et tres apte au fa onnage.
FR2673882B1 (fr)	1994-02-25	Ensemble pour former un papillon, papillon forme a partir de cet ensemble, et procede d'etiquetage utilisant ce papillon.
EP0656693A3 (fr)	1996-04-24	Procédé et circuit pour le fonctionnement d'un radiotéléphone.
FR2696109B1 (fr)	1994-11-04	Catalyseur d'oxydation et procédé d'oxydation partielle du méthane.
FR2705842B3 (fr)	1995-04-14	Ensemble d'entraînement pour électromobile.
FR2714243B1 (fr)	2001-05-11	Procédé et récepteur pour démoduler au moins un signal AMRC à partir d'un signal reçu.
FR2621928B1 (fr)	1990-12-21	Alliages de coulee et procede de production d'un article coule au moyen desdits alliages
FR2693727B1 (fr)	1994-08-19	Polycondensat organo-minéral et procédé d'obtention.
DE69515023D1 (de)	2000-03-16	Hochwarmfester ferritischer stahl und verfahren zu dessen herstellung
OA09396A (fr)	1992-09-15	"Bogie à châssis déformable, et procédé et ensemble de pièces de rechange pour améliorer un tel bogie".
FR2652807B1 (fr)	1993-09-17	Procede de soudure ceramique et lance destinee a la mise en óoeuvre d'un tel procede.
GB2243318B (en)	1993-09-01	A multi-walled steel pipe
DE69322722D1 (de)	1999-02-04	Halb-flash A/D-Wandler und A/D-Wandlungsverfahren
FR2701408B1 (fr)	1995-04-21	Composition et procédé d'antimottage pour engrais.
FR2518577B1 (fr)	1987-01-02	Dispositif pour produire de l'acier, notamment convertisseur a soufflage par le haut
DZ2032A1 (fr)	2002-07-21	Un procédé pour la préparation de l'hydrochlorure de lercanidipine.
FR2601042B1 (fr)	1989-08-25	Acier resistant a la corrosion et a l'usure
DZ1612A1 (fr)	2002-02-17	Procédé pour l'activation d'un catalyseur fisher-tropsh.
FR2676466B1 (fr)	1995-05-12	Cable de pneumatique en acier et un pneumatique l'incorporant.
FR2713964B1 (fr)	1997-01-31	Procédé de fabrication d'un ensemble de conduit métallique soudé.
DE69123859D1 (de)	1997-02-13	Ferritischer hitzebeständiger Stahl mit hohem Stickstoffgehalt und Verfahren zu seiner Herstellung
FR2763557B1 (fr)	1999-08-06	Pedalier reducteur d'effort pour cycles, et cycle equipe d'un tel pedalier

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