JPS51115218A - Dephosphorization of molten iron - Google Patents

Dephosphorization of molten iron

Info

Publication number
JPS51115218A
JPS51115218A JP4010975A JP4010975A JPS51115218A JP S51115218 A JPS51115218 A JP S51115218A JP 4010975 A JP4010975 A JP 4010975A JP 4010975 A JP4010975 A JP 4010975A JP S51115218 A JPS51115218 A JP S51115218A
Authority
JP
Japan
Prior art keywords
molten iron
dephosphorization
loss
phosphor
laddles
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.)
Granted
Application number
JP4010975A
Other languages
Japanese (ja)
Other versions
JPS5743606B2 (en
Inventor
Yukiyoshi Ito
Tadaharu Okajima
Yuji Kawachi
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.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP4010975A priority Critical patent/JPS51115218A/en
Publication of JPS51115218A publication Critical patent/JPS51115218A/en
Publication of JPS5743606B2 publication Critical patent/JPS5743606B2/ja
Granted 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (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)

Abstract

PURPOSE:A process for preparing low-phosphor molten iron whereby the combustion-loss of carbon can be reduced; an extremely low level of phosphor content can be obtained; the problems of slag forming can be relieved; and the melting-loss of laddles can be minimized.
JP4010975A 1975-04-02 1975-04-02 Dephosphorization of molten iron Granted JPS51115218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4010975A JPS51115218A (en) 1975-04-02 1975-04-02 Dephosphorization of molten iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4010975A JPS51115218A (en) 1975-04-02 1975-04-02 Dephosphorization of molten iron

Publications (2)

Publication Number Publication Date
JPS51115218A true JPS51115218A (en) 1976-10-09
JPS5743606B2 JPS5743606B2 (en) 1982-09-16

Family

ID=12571682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4010975A Granted JPS51115218A (en) 1975-04-02 1975-04-02 Dephosphorization of molten iron

Country Status (1)

Country Link
JP (1) JPS51115218A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497518A (en) * 1978-01-18 1979-08-01 Sumitomo Metal Ind Ltd Dephosphorization of molten pig iron
JPS5690915A (en) * 1979-12-24 1981-07-23 Kawasaki Steel Corp Desiliconization treatment of molten iron
JPS5816006A (en) * 1981-06-17 1983-01-29 Kobe Steel Ltd Dephosphorizing method for molten iron
JPS63180345A (en) * 1987-01-22 1988-07-25 Kawasaki Steel Corp Dephosphorization method for molten iron
JP2013136831A (en) * 2011-11-29 2013-07-11 Jfe Steel Corp Method of preliminary treatment for molten iron in converter
JP2014221932A (en) * 2013-05-13 2014-11-27 株式会社神戸製鋼所 Dephosphorization method for hot pig iron having high iron yield
JP2015140462A (en) * 2014-01-29 2015-08-03 株式会社神戸製鋼所 Dephosphorization processing method for changing top-blown condition in converter type vessel

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497518A (en) * 1978-01-18 1979-08-01 Sumitomo Metal Ind Ltd Dephosphorization of molten pig iron
JPS5852529B2 (en) * 1978-01-18 1983-11-24 住友金属工業株式会社 Method for dephosphorizing hot metal
JPS5690915A (en) * 1979-12-24 1981-07-23 Kawasaki Steel Corp Desiliconization treatment of molten iron
JPS5827322B2 (en) * 1979-12-24 1983-06-08 川崎製鉄株式会社 Hot metal pretreatment method for steelmaking
JPS5816006A (en) * 1981-06-17 1983-01-29 Kobe Steel Ltd Dephosphorizing method for molten iron
JPS6123243B2 (en) * 1981-06-17 1986-06-05 Kobe Steel Ltd
JPS63180345A (en) * 1987-01-22 1988-07-25 Kawasaki Steel Corp Dephosphorization method for molten iron
JP2013136831A (en) * 2011-11-29 2013-07-11 Jfe Steel Corp Method of preliminary treatment for molten iron in converter
JP2014221932A (en) * 2013-05-13 2014-11-27 株式会社神戸製鋼所 Dephosphorization method for hot pig iron having high iron yield
JP2015140462A (en) * 2014-01-29 2015-08-03 株式会社神戸製鋼所 Dephosphorization processing method for changing top-blown condition in converter type vessel

Also Published As

Publication number Publication date
JPS5743606B2 (en) 1982-09-16

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