FR2010560A1 - Regulation of refining with respect to oxygen - Google Patents

Regulation of refining with respect to oxygen

Info

Publication number
FR2010560A1
FR2010560A1 FR6918870A FR6918870A FR2010560A1 FR 2010560 A1 FR2010560 A1 FR 2010560A1 FR 6918870 A FR6918870 A FR 6918870A FR 6918870 A FR6918870 A FR 6918870A FR 2010560 A1 FR2010560 A1 FR 2010560A1
Authority
FR
France
Prior art keywords
temperature
dross
feo
oxygen
metallic bath
Prior art date
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.)
Withdrawn
Application number
FR6918870A
Other languages
French (fr)
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2010560A1 publication Critical patent/FR2010560A1/en
Withdrawn legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

Speed of decarburation of the metallic bath is calculated according to a known method from information given by planned vessel size and blowing conditions. Quantity of oxygen in the dross is then calculate. Probable analysis of the dross is calculated based on physicochemical theories, the FeO activity is deducted therefrom and due to the thermodynamic relation Fe + 0 = (FeO), the oxygen content of the metallic bath in equilibrium with the dross. Relation between the temperature and the invariable equilbrium of one or the other of the two reactions is established:- CO + O = CO2, CO + (FeO) = CO2 + Fe By means of a gas analyser the ratio CO2/CO is calculated, quantities of CO2 and CO being inside the converter, it is thus possible to know the temperature in the converter at all times, it being possible to convert this temperature into a metallic bath temperature by conversion according to a prior gauging.
FR6918870A 1968-06-10 1969-06-06 Regulation of refining with respect to oxygen Withdrawn FR2010560A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU56237 1968-06-10

Publications (1)

Publication Number Publication Date
FR2010560A1 true FR2010560A1 (en) 1970-02-20

Family

ID=19725634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6918870A Withdrawn FR2010560A1 (en) 1968-06-10 1969-06-06 Regulation of refining with respect to oxygen

Country Status (3)

Country Link
BE (1) BE731623A (en)
FR (1) FR2010560A1 (en)
LU (1) LU56237A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402856A (en) * 1963-12-03 1965-06-18 Siderurgie Fse Inst Rech Method and device for monitoring oxidation reactions during refining of a metal bath
BE662786A (en) * 1965-04-20 1965-09-17
LU47933A1 (en) * 1965-02-08 1966-08-08

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402856A (en) * 1963-12-03 1965-06-18 Siderurgie Fse Inst Rech Method and device for monitoring oxidation reactions during refining of a metal bath
LU47933A1 (en) * 1965-02-08 1966-08-08
BE662786A (en) * 1965-04-20 1965-09-17

Also Published As

Publication number Publication date
BE731623A (en) 1969-10-16
LU56237A1 (en) 1970-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse