JPS57143416A - Pretreatment for molten iron - Google Patents

Pretreatment for molten iron

Info

Publication number
JPS57143416A
JPS57143416A JP2963681A JP2963681A JPS57143416A JP S57143416 A JPS57143416 A JP S57143416A JP 2963681 A JP2963681 A JP 2963681A JP 2963681 A JP2963681 A JP 2963681A JP S57143416 A JPS57143416 A JP S57143416A
Authority
JP
Japan
Prior art keywords
molten iron
bottom blowing
refining
temp
pretreatment
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.)
Pending
Application number
JP2963681A
Other languages
English (en)
Inventor
Rinzo Tachibana
Takuma Shibayama
Toshiro Fujiyama
Takashi Omori
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP2963681A priority Critical patent/JPS57143416A/ja
Publication of JPS57143416A publication Critical patent/JPS57143416A/ja
Pending 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)
JP2963681A 1981-03-02 1981-03-02 Pretreatment for molten iron Pending JPS57143416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2963681A JPS57143416A (en) 1981-03-02 1981-03-02 Pretreatment for molten iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2963681A JPS57143416A (en) 1981-03-02 1981-03-02 Pretreatment for molten iron

Publications (1)

Publication Number Publication Date
JPS57143416A true JPS57143416A (en) 1982-09-04

Family

ID=12281563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2963681A Pending JPS57143416A (en) 1981-03-02 1981-03-02 Pretreatment for molten iron

Country Status (1)

Country Link
JP (1) JPS57143416A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018127671A (ja) * 2017-02-08 2018-08-16 新日鐵住金株式会社 溶銑の精錬方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018127671A (ja) * 2017-02-08 2018-08-16 新日鐵住金株式会社 溶銑の精錬方法

Similar Documents

Publication Publication Date Title
US4726839A (en) Process and an arrangement for the production of steel from sponge iron
US4113468A (en) Continuous smelting method
CA1234989A (en) Process for refining hot metal
GB1522864A (en) Method and apparatus for manufacturing steel from pig iro
JPS57143416A (en) Pretreatment for molten iron
JPS6425938A (en) Refining method for molten steel by arc furnace
GB1418488A (en) Method and apparatus for the refining of steel
US3192037A (en) Desulfurization method
US4529443A (en) System and method for producing steel in a top-blown vessel
JPS5565313A (en) Steel manufacture with top blown oxygen
JPS5760004A (en) Converter refining method
Trentini et al. “OLP”: Oxygen, lime-powder injection: A new steelmaking process
US4676825A (en) Hot metal desulphurizing and dephosphorizing process
JPS5757819A (en) Converter steel making method
JPS5594425A (en) Converter steel making method which reduces phosphorus content
JPS56130417A (en) Decarburizing method for stainless steel in arc furnace
JPS56130416A (en) Steel making method
JPH0364410A (ja) 溶銑予備処理法
US4130419A (en) Process for the purification, modification and heating of a cast-iron melt
GB1362637A (en) Treating steel in the ladle
JPS552759A (en) Manufacture of ultra-low-carbon stainless steel
JPS5594416A (en) Weighed tapping method
JPS5594415A (en) Steel making method of less slag producing amount
SU704996A1 (ru) Способ внепечной обработки стали
JPS5743920A (en) Method for blow refining in bottom-blown converter