BR9406985A - Processo para produzir aço em conversor - Google Patents

Processo para produzir aço em conversor

Info

Publication number: BR9406985A
Authority: BR; Brazil
Prior art keywords: converter; produce steel; steel; produce
Prior art date: 1993-06-30

Application number

BR9406985-9A

Other languages

English (en)

Portuguese (pt)

Inventor

Masataka Yano

Yuji Ogawa

Masayuki Arai

Tumio Koizmi

Noriyuki Masumitsu

Hideaki Sasaki

Hiroshi Hirata

Yoshiaki Kusano

Hirobumi Maede

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

1996-03-05

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=BR9406985(A) "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

1996-03-05 Publication of BR9406985A publication Critical patent/BR9406985A/pt

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)

BR9406985-9A 1993-06-30 1994-06-30 Processo para produzir aço em conversor BR9406985A (pt)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP16256493A JP2958842B2 (ja)	1993-06-30	1993-06-30	転炉精錬方法
JP16579093		1993-07-05
JP32908693A JP2896838B2 (ja)	1993-12-24	1993-12-24	溶鋼製造法
JP32908893A JP2958848B2 (ja)	1993-12-24	1993-12-24	溶銑の脱りん方法
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 (1)

Publication Number	Publication Date
BR9406985A true BR9406985A (pt)	1996-03-05

Family

ID=27519242

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9406985-9A BR9406985A (pt)	1993-06-30	1994-06-30	Processo para produzir aço em conversor

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
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
BR112015016931B1 (pt) *	2013-01-18	2020-04-07	Jfe Steel Corp	método de pré-tratamento de ferro fundido
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
CN107849626B (zh) *	2016-01-28	2020-02-21	日本制铁株式会社	排渣方法、炉渣的制造方法及流下炉渣的能量衰减结构
KR102065455B1 (ko) *	2016-07-14	2020-01-13	닛폰세이테츠 가부시키가이샤	용강 중 인 농도 추정 방법 및 전로 취련 제어 장치
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
EP3633051B1 (fr) *	2017-05-25	2021-11-17	JFE Steel Corporation	Procédé de fabrication d'un lingot d'acier à haute teneur en manganèse
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU6823981A (en) *	1980-03-21	1981-10-15	Nippon Steel Corporation	Multi-stage steel making
JPS58207314A (ja) *	1982-05-28	1983-12-02	Sumitomo Metal Ind Ltd	鋼の精錬方法
DE3316367A1 (de) *	1983-05-05	1984-11-08	Mannesmann AG, 4000 Düsseldorf	Verfahren und einrichtung zum erzeugen von stahl
FR2558482B1 (fr) *	1984-01-25	1989-10-27	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
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
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

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

Also Published As

Publication number	Publication date
CN1041843C (zh)	1999-01-27
WO1995001458A1 (fr)	1995-01-12
KR960703440A (ko)	1996-08-17
CA2166097A1 (fr)	1995-01-12
DE69423630T2 (de)	2000-11-09
AU7083194A (en)	1995-01-24
EP0714989A1 (fr)	1996-06-05
DE69423630D1 (de)	2000-04-27
ES2143547T3 (es)	2000-05-16
EP0714989A4 (fr)	1997-06-25
CN1128050A (zh)	1996-07-31
AU680268B2 (en)	1997-07-24
EP0714989B1 (fr)	2000-03-22
KR0159180B1 (ko)	1999-01-15
CA2166097C (fr)	2002-01-15

Publication	Publication Date	Title
BR9406985A (pt)	1996-03-05	Processo para produzir aço em conversor
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BR9400695A (pt)	1995-01-10	Derivados e processo para produzir 1-B-metil-2tiólico carbapenem
BR9005399A (pt)	1991-09-17	Processo para purificacao de fluoreto de hidrogenio

Legal Events

Date	Code	Title	Description
2000-01-18	FF	Decision: intention to grant
2000-08-08	FG9A	Patent or certificate of addition granted
2006-01-10	B16C	Correction of notification of the grant	Free format text: REFERENTE A RPI 1544 DE 08/08/2000, QUANTO A DATA DE DEPOSITO
2013-12-31	B25D	Requested change of name of applicant approved	Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)
2015-07-07	B21A	Expiry acc. art. 78, item i of ipl- expiry of the term of protection	Free format text: PATENTE EXTINTA EM 30/06/2014