SE444818B - Forfarande for styrning av en stalframstellningsprocess - Google Patents

Forfarande for styrning av en stalframstellningsprocess

Info

Publication number
SE444818B
SE444818B SE7809501A SE7809501A SE444818B SE 444818 B SE444818 B SE 444818B SE 7809501 A SE7809501 A SE 7809501A SE 7809501 A SE7809501 A SE 7809501A SE 444818 B SE444818 B SE 444818B
Authority
SE
Sweden
Prior art keywords
qco
gas
decarburization
reference gas
exhaust gas
Prior art date
Application number
SE7809501A
Other languages
English (en)
Swedish (sv)
Other versions
SE7809501L (sv
Inventor
F Hoshi
Y Saita
A Fujisawa
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.)
Filing date
Publication date
Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Publication of SE7809501L publication Critical patent/SE7809501L/xx
Publication of SE444818B publication Critical patent/SE444818B/sv

Links

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)
SE7809501A 1977-09-10 1978-09-08 Forfarande for styrning av en stalframstellningsprocess SE444818B (sv)

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 (2)

Publication Number Publication Date
SE7809501L SE7809501L (sv) 1979-03-11
SE444818B true SE444818B (sv) 1986-05-12

Family

ID=14505334

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7809501A SE444818B (sv) 1977-09-10 1978-09-08 Forfarande for styrning av en stalframstellningsprocess

Country Status (9)

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

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 (de) * 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 (de) * 1970-07-24 1971-11-16
US3920447A (en) * 1972-02-28 1975-11-18 Pennsylvania Engineering Corp Steel production method
LU70847A1 (de) * 1973-09-25 1975-01-02

Also Published As

Publication number Publication date
FR2402709B1 (de) 1984-05-18
SE7809501L (sv) 1979-03-11
ZA784998B (en) 1979-08-29
GB2005726B (en) 1982-05-26
US4251269A (en) 1981-02-17
GB2005726A (en) 1979-04-25
ES473216A1 (es) 1979-03-16
FR2402709A1 (fr) 1979-04-06
JPS6232248B2 (de) 1987-07-14
DE2839315C2 (de) 1985-08-01
DE2839315A1 (de) 1979-03-22
JPS5442324A (en) 1979-04-04
BR7805883A (pt) 1979-05-02

Similar Documents

Publication Publication Date Title
SE444818B (sv) Forfarande for styrning av en stalframstellningsprocess
EP1106985B1 (de) Verfahren und Vorrichtung zur Analyse von Teilchenmaterial in Gas.
EP0132300B1 (de) Verfahren zur spektrometrischen Analyse einer organometallischen Zusammensetzung
US5522915A (en) Method and apparatus for sequentially and continuously determining concentrations of carbon, hydrogen, and nitrogen in molten steel, and method and apparatus for rapidly determining trace amounts of carbon in molten steel
EP0029690B1 (de) Verfahren und Apparat zur Linearisierung eines Gasanalysators und Mehrfachventilanordnung für die Gasdosierung
EP0475636A2 (de) Verfahren und Vorrichtung zur Gasanalyse mittels eines Plasmas
US20040247483A1 (en) Combustion furnace system for analyzing elements in a sample
US4251270A (en) Method of controlling steel making process under atmospheric pressure
JP5210854B2 (ja) 水銀分析装置および水銀分析方法
KR820001717B1 (ko) 감압하에서의 제강공정 제어법
JP2789432B2 (ja) 分析用ガスの採取方法及び装置
JP2001174448A (ja) 窒素濃度測定装置
JP2000028580A (ja) 金属試料中の元素分析装置
JP2001234230A (ja) 脱炭精錬の終点判定方法
JPH0639615B2 (ja) 質量分析計を用いた真空脱炭推定方法
JPH0221547B2 (de)
JP3439974B2 (ja) 分析試料中の酸化物の種類別酸素又は酸化物の分析方法及び分析装置
JPH10195525A (ja) クロム含有鋼の精錬方法および装置
JP3198841B2 (ja) 気体中浮遊粒子の原子吸光分析方法及び装置
JPH06317576A (ja) 金属試料中の微量炭素分析方法
SU968764A1 (ru) Устройство дл контрол состава газа
JPH06265475A (ja) 酸素気流中燃焼ガス分析装置
JPH0291569A (ja) 炭素量測定装置
KR820001936B1 (ko) 대기압하에서의 제강공정 제어법
JP2002363635A (ja) 真空脱ガス装置における脱炭終点判断方法

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7809501-5

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7809501-5

Format of ref document f/p: F