BR9704689A - Processo para produzir um escória espumante por cima de uma aço inoxidável em fusão em um forno elétrico - Google Patents

Processo para produzir um escória espumante por cima de uma aço inoxidável em fusão em um forno elétrico

Info

Publication number: BR9704689A
Authority: BR; Brazil
Prior art keywords: stainless steel; electric oven; foaming slag; slag over; producing foaming
Prior art date: 1996-09-12

Application number

BR9704689A

Other languages

English (en)

Inventor

Frederic Descaves

Yves Guillot

Luc Sollier

Olivier Bletton

Original Assignee

Usinor

Ugine Savoie Sa

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.)

1996-09-12

Filing date

1997-09-11

Publication date

1998-12-29

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9495675&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9704689(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1997-09-11 Application filed by Usinor, Ugine Savoie Sa filed Critical Usinor

1998-12-29 Publication of BR9704689A publication Critical patent/BR9704689A/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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/54—Processes yielding slags of special composition
- 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
- C21C5/36—Processes yielding slags of special composition
- C21C2005/366—Foam slags
- 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
- C21C2300/00—Process aspects
- C21C2300/02—Foam creation
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/961—Treating flue dust to obtain metal other than by consolidation

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Curing Cements, Concrete, And Artificial Stone (AREA)
Treatment Of Steel In Its Molten State (AREA)
Manufacture And Refinement Of Metals (AREA)
Powder Metallurgy (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Heat Treatment Of Steel (AREA)

BR9704689A 1996-09-12 1997-09-11 Processo para produzir um escória espumante por cima de uma aço inoxidável em fusão em um forno elétrico BR9704689A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9611120A FR2753205B1 (fr)	1996-09-12	1996-09-12	Procede pour realiser un laitier moussant au-dessus d'un acier inoxydable en fusion dans un four electrique

Publications (1)

Publication Number	Publication Date
BR9704689A true BR9704689A (pt)	1998-12-29

Family

ID=9495675

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9704689A BR9704689A (pt)	1996-09-12	1997-09-11	Processo para produzir um escória espumante por cima de uma aço inoxidável em fusão em um forno elétrico

Country Status (15)

Country	Link
US (1)	US6228137B1 (pt)
EP (1)	EP0829545B1 (pt)
JP (1)	JPH1088223A (pt)
KR (1)	KR100262876B1 (pt)
CN (1)	CN1067110C (pt)
AT (1)	ATE203280T1 (pt)
AU (1)	AU719924B2 (pt)
BR (1)	BR9704689A (pt)
CA (1)	CA2210505A1 (pt)
DE (1)	DE69705685T2 (pt)
ES (1)	ES2158468T3 (pt)
FR (1)	FR2753205B1 (pt)
ID (1)	ID19645A (pt)
TW (1)	TW357195B (pt)
ZA (1)	ZA978124B (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2780070B1 (fr) *	1998-06-22	2001-06-08	Elf Antar France	Procede de moussage d'un laitier recouvrant un bain d'acier en fusion
SE512757C2 (sv)	1998-09-03	2000-05-08	Uddeholm Technology Ab	Tillsats av dopingmedel vid tillverkning av stål i ljusbågsugn, dopingmedlet samt användning av detta
KR100382311B1 (ko) *	1998-09-28	2003-07-22	주식회사 포스코	분체탄소취입에의한스테인레스강슬래그중의유가금속회수방법
KR100404281B1 (ko) *	1999-08-12	2003-11-03	주식회사 포스코	스테인레스 제강 슬래그의 포밍방법
NO311226B1 (no) *	1999-10-18	2001-10-29	Norsk Hydro As	Skumming av slagg
SE517296C2 (sv) *	2000-02-17	2002-05-21	Uddeholm Technology Ab	Sätt vid tillverkning av stål i ljusbågsugn under användande av granulerat tackjärn
SE0201453D0 (sv) *	2002-05-10	2002-05-10	Luossavaara Kiirunavaara Ab	Method to improve iron production rate in a blast furnace
DE10323505A1 (de) *	2003-05-24	2004-12-09	Sms Demag Ag	Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen
CN103602877A (zh) *	2004-09-03	2014-02-26	纽索思创新有限公司	铁合金的生产
DE102006004532B4 (de) *	2006-02-01	2014-10-09	Sms Siemag Aktiengesellschaft	Verfahren zur Erzeugung einer Schaumschlacke in einer metallischen Schmelze
DE102007006529A1 (de) *	2007-02-09	2008-08-14	Sms Demag Ag	Verfahren und Reduktion einer hochchromhaltigen Schlacke in einem Elektrolichtbogenofen
DE102007050478A1 (de)	2007-10-23	2009-04-30	Sms Demag Ag	Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters
DE102008028011A1 (de)	2008-06-09	2009-12-10	Sms Siemag Aktiengesellschaft	Verfahren zur Erzeugung einer Schaumschlacke auf austenitischen Rostfreischmelzen in einem Elektrolichtbogenofen
DE102008032975A1 (de) *	2008-07-07	2010-01-14	Sms Siemag Aktiengesellschaft	Verfahren zur Erzeugung von Schaumschlacke
DE102009020494A1 (de)	2009-05-08	2010-11-11	Sms Siemag Ag	Verfahren zum Schlackeschäumen einer Nichtrostfrei-Stahlschmelze in einem Elektrolichtbogenofen
DE102010004983A1 (de) *	2010-01-19	2011-07-21	SMS Siemag Aktiengesellschaft, 40237	Verfahren zur Schaumschlackenerzeugung einer Rostfreischmelze in einem Konverter
CN102162020B (zh) *	2010-02-23	2013-05-15	宝山钢铁股份有限公司	一种电炉冶炼不锈钢用发泡剂及其使用方法
DE102010022692A1 (de)	2010-03-17	2011-09-22	Sms Siemag Ag	Brikett zur Erzeugung eines Schaumschlacke-Effekts bei der EAF-Technologie der Edelstahlherstellung
JP5761335B2 (ja) *	2011-03-31	2015-08-12	日立金属株式会社	溶鋼への亜鉛添加方法および亜鉛添加鋼の製造方法
JP6322065B2 (ja) *	2014-06-23	2018-05-09	日本冶金工業株式会社	ステンレス鋼の製造方法
JP6620781B2 (ja) *	2017-05-15	2019-12-18	Ｊｆｅスチール株式会社	ダストの溶融還元方法及び再利用方法
KR102249920B1 (ko)	2018-09-27	2021-05-07	주식회사 포스코	방향성 전기강판 및 그의 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US655508A (en) *	1898-06-30	1900-08-07	Micheal Mcnalley	Bit.
JPS531618A (en) *	1976-06-28	1978-01-09	Nisshin Steel Co Ltd	Sedative for slag bubbling and converter process using same
US4528035A (en) *	1984-05-21	1985-07-09	Metro Materials Corporation	Composition and process to create foaming slag cover for molten steel
US4913732A (en) *	1988-05-19	1990-04-03	Nkk Corporation	Method for smelting reduction in electric furnace
DE3931392A1 (de) *	1989-09-20	1991-03-28	Fuchs Systemtechnik Gmbh	Verfahren und vorrichtung zum zumindest zeitweise gleichzeitigen beaufschlagen einer metallschmelze mit einem gas und feinkoernigen feststoffen
DE4211164C2 (de) *	1992-03-31	1995-02-16	Mannesmann Ag	Verfahren und Vorrichtung zum Behandeln von riesel- oder fließfähigem Material
DE4303751C1 (de) *	1993-02-09	1994-09-08	Intracon Sarl	Verfahren zur Wiederverwertung von Filterstäuben
EP0655508B1 (en) *	1993-11-30	1998-08-19	ACCIAI SPECIALI TERNI S.p.a.	Process for using foamed slag in stainless steel production in the electric arc furnace
BE1007960A6 (fr) *	1994-01-13	1995-11-28	Centre Rech Metallurgique	Procede d'elaboration d'acier dans un four a arc.

1996
- 1996-09-12 FR FR9611120A patent/FR2753205B1/fr not_active Expired - Fee Related
1997
- 1997-08-19 AU AU34247/97A patent/AU719924B2/en not_active Ceased
- 1997-08-20 TW TW086111897A patent/TW357195B/zh active
- 1997-08-21 DE DE69705685T patent/DE69705685T2/de not_active Expired - Fee Related
- 1997-08-21 EP EP97401961A patent/EP0829545B1/fr not_active Revoked
- 1997-08-21 AT AT97401961T patent/ATE203280T1/de not_active IP Right Cessation
- 1997-08-21 ES ES97401961T patent/ES2158468T3/es not_active Expired - Lifetime
- 1997-08-25 CA CA002210505A patent/CA2210505A1/fr not_active Abandoned
- 1997-08-29 KR KR1019970043184A patent/KR100262876B1/ko not_active Expired - Fee Related
- 1997-09-03 ID IDP973070A patent/ID19645A/id unknown
- 1997-09-09 JP JP9260899A patent/JPH1088223A/ja not_active Abandoned
- 1997-09-10 ZA ZA9708124A patent/ZA978124B/xx unknown
- 1997-09-11 CN CN97118425A patent/CN1067110C/zh not_active Expired - Fee Related
- 1997-09-11 BR BR9704689A patent/BR9704689A/pt not_active IP Right Cessation
- 1997-09-12 US US08/928,500 patent/US6228137B1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2210505A1 (fr)	1998-03-12
CN1180751A (zh)	1998-05-06
TW357195B (en)	1999-05-01
ES2158468T3 (es)	2001-09-01
MX9706898A (es)	1998-07-31
DE69705685D1 (de)	2001-08-23
FR2753205A1 (fr)	1998-03-13
EP0829545B1 (fr)	2001-07-18
ZA978124B (en)	1998-03-03
KR19980024214A (ko)	1998-07-06
EP0829545A1 (fr)	1998-03-18
ID19645A (id)	1998-07-23
ATE203280T1 (de)	2001-08-15
AU3424797A (en)	1998-03-19
DE69705685T2 (de)	2001-11-22
US6228137B1 (en)	2001-05-08
JPH1088223A (ja)	1998-04-07
FR2753205B1 (fr)	1998-12-04
AU719924B2 (en)	2000-05-18
CN1067110C (zh)	2001-06-13
KR100262876B1 (ko)	2000-08-01

Publication	Publication Date	Title
BR9704689A (pt)	1998-12-29	Processo para produzir um escória espumante por cima de uma aço inoxidável em fusão em um forno elétrico
HUP9902339A2 (hu)	1999-11-29	Eljárás és berendezés fém vas előállítására
AUPP554098A0 (en)	1998-09-17	A process and an apparatus for producing metals and metal alloys
MY104618A (en)	1994-04-30	Thermally efficient melting for glass making.
ATE217351T1 (de)	2002-05-15	Verfahren und vorrichtung zur herstellung von metallischem eisen
ATE54172T1 (de)	1990-07-15	Verfahren zur herstellung von roheisen aus feinerz.
DE3883030D1 (de)	1993-09-16	Hydrometallurgisches verfahren zur herstellung von feinem sphaerischem edelmetallpulver.
ATE441729T1 (de)	2009-09-15	Verfahren zur herstellung von einsatzgut für die produktion von schmelzflüssigem metall und verfahren zur herstellung von schmelzflüssigem metall
KR970074954A (ko)	1997-12-10	금속 산화물로부터 금속을 얻는 방법
DE3766317D1 (de)	1991-01-03	Verfahren zur herstellung von sphaerischem pulver.
DE3569574D1 (en)	1989-05-24	A method for producing metallic lead by direct lead-smelting
SE8602113L (sv)	1986-12-01	Forfarande for kontinuerlig reduktion av smelt metallurgisk slagg i en elektrougn
BR9911633A (pt)	2001-03-20	Processo de fusão direta
ES8300863A1 (es)	1982-11-01	Procedimiento para controlar un alto horno dotado de tres zonas para la produccion de gas reductor.
DE69129466D1 (de)	1998-06-25	Verfahren und vorrichtung zur herstellung von stahl in einem flüssigen bad
MY119291A (en)	2005-04-30	Metal reduction and melting process
GB2000193A (en)	1979-01-04	Reduction of metal oxides
CS365786A2 (en)	1990-09-12	Method of molten steel refining
KR920008199A (ko)	1992-05-27	황화아연정광(精鑛)의 용융탈황법
BR9906464A (pt)	2000-09-26	Forno para realizar a fusão de um material de alto ponto de fusão, tal como vidro, processos de fabricação do mesmo e de recuperação de metal presente em vidro de recuperação, e, utilização de um forno
DE50000942D1 (de)	2003-01-23	Verfahren zur herstellung von schaumschlacke
AU1975688A (en)	1989-03-02	Consumable lance
Lazcano-Navarro et al.	1985	Method for Obtaining High Purity Ductile Iron
WO1998003830A1 (en)	1998-01-29	A melting unit for voluminous manufacture
DE3071404D1 (en)	1986-03-20	Method of recycling steel scrap

Legal Events

Date	Code	Title	Description
2001-07-24	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2002-02-13	PC	Transfer	Free format text: UGINE-SAVOIE IMPHY (FR), UGINE S.A (FR)
2002-04-23	FF	Decision: intention to grant
2011-08-02	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 9A,10A,11A,12A,13A E 14A ANUIDADE(S).
2014-04-08	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-01	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A E 14A ANUIDADES.
2021-03-30	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.