BR7805883A - Processo para controlar um processo de fabricacao de aco - Google Patents

Processo para controlar um processo de fabricacao de aco

Info

Publication number: BR7805883A
Authority: BR; Brazil
Prior art keywords: control; steel manufacturing; manufacturing process; steel; manufacturing
Prior art date: 1977-09-10

Application number

BR7805883A

Other languages

English (en)

Inventor

A Fujisawa

F Hoshi

Y Saita

Original Assignee

Nisshin Steel Co Ltd

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.)

1977-09-10

Filing date

1978-09-08

Publication date

1979-05-02

1978-09-08 Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd

1979-05-02 Publication of BR7805883A publication Critical patent/BR7805883A/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
- 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
- C21C7/0685—Decarburising of stainless steel
- 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
- 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
- C21C7/10—Handling in a vacuum

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Treatment Of Steel In Its Molten State (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

BR7805883A 1977-09-10 1978-09-08 Processo para controlar um processo de fabricacao de aco BR7805883A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP10924777A JPS5442324A (en)	1977-09-10	1977-09-10	Control procedure of steel making process using mass spectrometer

Publications (1)

Publication Number	Publication Date
BR7805883A true BR7805883A (pt)	1979-05-02

Family

ID=14505334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR7805883A BR7805883A (pt)	1977-09-10	1978-09-08	Processo para controlar um processo de fabricacao de aco

Country Status (9)

Country	Link
US (1)	US4251269A (pt)
JP (1)	JPS5442324A (pt)
BR (1)	BR7805883A (pt)
DE (1)	DE2839315C2 (pt)
ES (1)	ES473216A1 (pt)
FR (1)	FR2402709A1 (pt)
GB (1)	GB2005726B (pt)
SE (1)	SE444818B (pt)
ZA (1)	ZA784998B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS569319A (en) *	1979-07-05	1981-01-30	Nippon Steel Corp	Vacuum treatment controller for molten steel
HU189326B (en) *	1983-08-26	1986-06-30	Lenin Kohaszati Muevek,Hu	Process for production of steels with low or super-low carbon content with the regulation the end point of the carbon and blasting temperature
DE3706742A1 (de) *	1987-02-28	1988-09-08	Salzgitter Peine Stahlwerke	Verfahren und vorrichtung zur entgasungsbehandlung einer stahlschmelze in einer vakuumanlage
SE8800321D0 (sv) *	1987-08-20	1988-02-02	Scandinavian Emission Tech	Metallurgisk styrmetod
AT394395B (de) *	1989-01-13	1992-03-25	Veitscher Magnesitwerke Ag	Metallurgisches gefaess und anordnung desselben
DE4243687C1 (de) *	1992-12-18	1994-02-17	Mannesmann Ag	Vakuumanlage, insbesondere für die Sekundärmetallurgie
US5603749A (en) *	1995-03-07	1997-02-18	Bethlehem Steel Corporation	Apparatus and method for vacuum treating molten steel
DE19745808C1 (de) *	1997-10-16	1998-12-10	Kuske Gmbh	Vorrichtung zum Absaugen eines Meßgases aus einem unter Vakuum stehenden Prozessgasraumes
SE9800153D0 (sv) *	1998-01-21	1998-01-21	Hoeganaes Ab	Low pressure process
FR2807066B1 (fr) *	2000-03-29	2002-10-11	Usinor	Procede de brassage pneumatique du metal liquide en poche
DE102007044568A1 (de) *	2007-09-07	2009-03-12	Sms Demag Ag	Indirekte Bestimmung der Abgasrate bei metallurgischen Prozessen
CA2755110C (en) *	2010-10-13	2014-07-15	Unisearch Associates Inc.	Method and apparatus for improved process control and real-time determination of carbon content during vacuum degassing of molten metals
JP5760982B2 (ja) *	2011-11-25	2015-08-12	新日鐵住金株式会社	溶鋼の精錬方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3520657A (en) *	1965-12-27	1970-07-14	Dravo Corp	Method and apparatus for the analysis of off-gases in a refining process
LU55028A1 (pt) *	1967-12-05	1969-07-17
US3594155A (en) *	1968-10-30	1971-07-20	Allegheny Ludlum Steel	Method for dynamically controlling decarburization of steel
BE755456A (fr) *	1969-08-29	1971-03-01	Allegheny Ludlum Ind Inc	Decarburation de l'acier fondu
US3700429A (en) *	1970-01-05	1972-10-24	Allegheny Ludlum Steel	Method of controlling vacuum decarburization
US3666439A (en) *	1970-03-02	1972-05-30	Allegheny Ludlum Ind Inc	Method of decarburizing alloy steels
LU63512A1 (pt) *	1970-07-24	1971-11-16
US3920447A (en) *	1972-02-28	1975-11-18	Pennsylvania Engineering Corp	Steel production method
LU70847A1 (pt) *	1973-09-25	1975-01-02

1977
- 1977-09-10 JP JP10924777A patent/JPS5442324A/ja active Granted
1978
- 1978-08-23 GB GB7834363A patent/GB2005726B/en not_active Expired
- 1978-08-30 US US05/938,013 patent/US4251269A/en not_active Expired - Lifetime
- 1978-09-01 ZA ZA00784998A patent/ZA784998B/xx unknown
- 1978-09-08 FR FR7825923A patent/FR2402709A1/fr active Granted
- 1978-09-08 SE SE7809501A patent/SE444818B/sv not_active IP Right Cessation
- 1978-09-08 BR BR7805883A patent/BR7805883A/pt unknown
- 1978-09-08 ES ES473216A patent/ES473216A1/es not_active Expired
- 1978-09-09 DE DE2839315A patent/DE2839315C2/de not_active Expired

Also Published As

Publication number	Publication date
DE2839315C2 (de)	1985-08-01
JPS5442324A (en)	1979-04-04
ZA784998B (en)	1979-08-29
GB2005726A (en)	1979-04-25
FR2402709A1 (fr)	1979-04-06
JPS6232248B2 (pt)	1987-07-14
FR2402709B1 (pt)	1984-05-18
SE444818B (sv)	1986-05-12
DE2839315A1 (de)	1979-03-22
US4251269A (en)	1981-02-17
SE7809501L (sv)	1979-03-11
ES473216A1 (es)	1979-03-16
GB2005726B (en)	1982-05-26

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