ES2143547T3 - Metodo de fabricacion de acero que emplea desfosforizacion en convertidor. - Google Patents

Metodo de fabricacion de acero que emplea desfosforizacion en convertidor.

Info

Publication number: ES2143547T3
Authority: ES; Spain
Prior art keywords: dephosphorization; blows; speed; converter; gas
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.): Expired - Lifetime

Application number

ES94919835T

Other languages

English (en)

Spanish (es)

Inventor

Masataka Yano

Yuji Ogawa

Masayuki Arai

Fumio Koizumi

Noriyuki Masumitsu

Hideaki Sasaki

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

2000-05-16

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=ES2143547(T3) "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 JP32908893A external-priority patent/JP2958848B2/ja

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

2000-05-16 Application granted granted Critical

2000-05-16 Publication of ES2143547T3 publication Critical patent/ES2143547T3/es

2014-06-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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)

ES94919835T 1993-06-30 1994-06-30 Metodo de fabricacion de acero que emplea desfosforizacion en convertidor. Expired - Lifetime ES2143547T3 (es)

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
JP32908893A JP2958848B2 (ja)	1993-12-24	1993-12-24	溶銑の脱りん方法
JP32908693A JP2896838B2 (ja)	1993-12-24	1993-12-24	溶鋼製造法
JP01102794A JP3239197B2 (ja)	1993-07-05	1994-02-02	転炉製鋼法
PCT/JP1994/001070 WO1995001458A1 (en)	1993-06-30	1994-06-30	Steel manufacturing method using converter

Publications (1)

Publication Number	Publication Date
ES2143547T3 true ES2143547T3 (es)	2000-05-16

Family

ID=27519242

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES94919835T Expired - Lifetime ES2143547T3 (es)	1993-06-30	1994-06-30	Metodo de fabricacion de acero que emplea desfosforizacion en convertidor.

Country Status (9)

Country	Link
EP (1)	EP0714989B1 (ja)
KR (1)	KR0159180B1 (ja)
CN (1)	CN1041843C (ja)
AU (1)	AU680268B2 (ja)
BR (1)	BR9406985A (ja)
CA (1)	CA2166097C (ja)
DE (1)	DE69423630T2 (ja)
ES (1)	ES2143547T3 (ja)
WO (1)	WO1995001458A1 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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
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 (en) *	2003-10-15	2006-08-02	Milan Adelt	Method of liquid steel production with slag recycling in a converter, equipment to employ the method
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
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
WO2018012257A1 (ja) *	2016-07-14	2018-01-18	新日鐵住金株式会社	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
WO2022054555A1 (ja) *	2020-09-10	2022-03-17	Ｊｆｅスチール株式会社	低リン溶鉄の製造方法
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
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 WO PCT/JP1994/001070 patent/WO1995001458A1/ja not_active Ceased
- 1994-06-30 EP EP94919835A patent/EP0714989B1/en not_active Revoked
- 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 CN CN94192953A patent/CN1041843C/zh not_active Expired - Lifetime
- 1994-06-30 DE DE69423630T patent/DE69423630T2/de not_active Revoked
- 1994-06-30 CA CA002166097A patent/CA2166097C/en not_active Expired - Lifetime
- 1994-06-30 ES ES94919835T patent/ES2143547T3/es not_active Expired - Lifetime
- 1994-06-30 AU AU70831/94A patent/AU680268B2/en not_active Expired

Also Published As

Publication number	Publication date
CN1041843C (zh)	1999-01-27
DE69423630T2 (de)	2000-11-09
BR9406985A (pt)	1996-03-05
AU7083194A (en)	1995-01-24
KR960703440A (ko)	1996-08-17
CA2166097A1 (en)	1995-01-12
DE69423630D1 (de)	2000-04-27
CN1128050A (zh)	1996-07-31
KR0159180B1 (ko)	1999-01-15
AU680268B2 (en)	1997-07-24
EP0714989A1 (en)	1996-06-05
EP0714989B1 (en)	2000-03-22
EP0714989A4 (en)	1997-06-25
WO1995001458A1 (en)	1995-01-12
CA2166097C (en)	2002-01-15

Publication	Publication Date	Title
ES2143547T3 (es)	2000-05-16	Metodo de fabricacion de acero que emplea desfosforizacion en convertidor.
HUP9801539A2 (hu)	1999-06-28	Eljárás füstgázból, különösen erőművi vagy szemétégetőből származó füstgázból kén-dioxid eltávolítására
CA2024466A1 (en)	1991-03-05	Method of operating in-bath smelting reduction furnace
JPS5687617A (en)	1981-07-16	Steel making method using arc furnace
JPS57145917A (en)	1982-09-09	Refining method for high chromium steel
GB2164576A (en)	1986-03-26	Gas injection apparatus
EP0012476A1 (en)	1980-06-25	A process and apparatus for anaerobic conversion of organic material in an aqueous medium
JPS54130422A (en)	1979-10-09	Method and apparatus for desulfurizing hot iron
JPS54130421A (en)	1979-10-09	Method and apparatus for desulfurizing hot iron
JPS5633098A (en)	1981-04-03	Biological treatment of organic waste water containing nitrogen
Oeters	1992	Fundamentals of In-Bath Smelting with Post-Combustion
JPS57206359A (en)	1982-12-17	Separation of dregs from heat-treated soy
Gupta et al.	1993	External desulphurisation of hot metal
Ruggiero et al.	1980	Study of the potential for water reuse in the steel industry
JPS52113399A (en)	1977-09-22	Production of lime for steel refining
Chernyatevich et al.	1995	Increase of efficiency of top bath blowing at 250 tons basic converters
Tumashov et al.	1995	Combined scheme of waste gases processing in copper melting production
AU1585292A (en)	1993-11-18	Turbo oxidation system (TOS) for "wet combustion" of COD-containing liquids and for COD-reduction by enzymes
JPS57140810A (en)	1982-08-31	Refining method for steel
JPS5520657A (en)	1980-02-14	Water treatment method by ozone
Astier	1985	Development of Electric Steelmaking Around the World
Pischik et al.	1986	Pitting of Iron and Carbon Steel in Methanol--Water Mixtures
Du et al.	1997	Electrochemical characteristics of the N, N-dipropynoxy methyl amine trimethyl prosphonate on pure iron in sulfuric acid solution
Druga	1985	Ways of Developing a Low Pressure Carburization Process
Brian	1993	The Engineering Education Scheme

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2000-05-16	FG2A	Definitive protection	Ref document number: 714989 Country of ref document: ES

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