JPS6362562B2 - - Google Patents

Info

Publication number
JPS6362562B2
JPS6362562B2 JP55034693A JP3469380A JPS6362562B2 JP S6362562 B2 JPS6362562 B2 JP S6362562B2 JP 55034693 A JP55034693 A JP 55034693A JP 3469380 A JP3469380 A JP 3469380A JP S6362562 B2 JPS6362562 B2 JP S6362562B2
Authority
JP
Japan
Prior art keywords
hot metal
mainly
desulfurization
treatment
iron oxide
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.)
Expired
Application number
JP55034693A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56133413A (en
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 filed Critical
Priority to JP3469380A priority Critical patent/JPS56133413A/ja
Priority to AU68239/81A priority patent/AU6823981A/en
Priority to US06/243,451 priority patent/US4388112A/en
Priority to BE0/204174A priority patent/BE888007A/fr
Priority to CA000373463A priority patent/CA1166018A/en
Priority to DE3110787A priority patent/DE3110787C2/de
Priority to FR8105574A priority patent/FR2478671B1/fr
Priority to GB8108981A priority patent/GB2072221B/en
Priority to BR8101709A priority patent/BR8101709A/pt
Publication of JPS56133413A publication Critical patent/JPS56133413A/ja
Priority to US06/362,839 priority patent/US4411696A/en
Priority to US06/504,285 priority patent/US4457778A/en
Priority to AU22238/83A priority patent/AU549698B2/en
Publication of JPS6362562B2 publication Critical patent/JPS6362562B2/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
    • 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
    • C21C7/072—Treatment with gases
    • 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
    • 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
    • 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
    • C21C5/285—Plants therefor
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
JP3469380A 1980-03-21 1980-03-21 Steel making method by divided refining Granted JPS56133413A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP3469380A JPS56133413A (en) 1980-03-21 1980-03-21 Steel making method by divided refining
AU68239/81A AU6823981A (en) 1980-03-21 1981-03-10 Multi-stage steel making
US06/243,451 US4388112A (en) 1980-03-21 1981-03-13 Steelmaking process with separate refining steps
BE0/204174A BE888007A (fr) 1980-03-21 1981-03-18 Procede de preparation d'acier a etapes d'affinage separees
CA000373463A CA1166018A (en) 1980-03-21 1981-03-19 Steelmaking process with separate refining steps
DE3110787A DE3110787C2 (de) 1980-03-21 1981-03-19 Stahl-Herstellungsverfahren
FR8105574A FR2478671B1 (fr) 1980-03-21 1981-03-20 Procede d'elaboration de l'acier par etapes distinctes d'affinage
GB8108981A GB2072221B (en) 1980-03-21 1981-03-23 Steelmaking process with separate refining steps
BR8101709A BR8101709A (pt) 1980-03-21 1981-03-23 Processo para a fabricacao de aco com estagios de refinacao separados
US06/362,839 US4411696A (en) 1980-03-21 1982-03-29 Steelmaking process with separate refining steps
US06/504,285 US4457778A (en) 1980-03-21 1983-06-14 Steelmaking process with separate refining steps
AU22238/83A AU549698B2 (en) 1980-03-21 1983-12-08 Steel making process with separate steps in sequence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3469380A JPS56133413A (en) 1980-03-21 1980-03-21 Steel making method by divided refining

Publications (2)

Publication Number Publication Date
JPS56133413A JPS56133413A (en) 1981-10-19
JPS6362562B2 true JPS6362562B2 (enrdf_load_stackoverflow) 1988-12-02

Family

ID=12421453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3469380A Granted JPS56133413A (en) 1980-03-21 1980-03-21 Steel making method by divided refining

Country Status (2)

Country Link
JP (1) JPS56133413A (enrdf_load_stackoverflow)
BE (1) BE888007A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831012A (ja) * 1981-08-19 1983-02-23 Nippon Steel Corp 気体酸素吹込みによる溶銑の優先脱Ｓｉ方法
JPS591609A (ja) * 1982-06-28 1984-01-07 Nippon Steel Corp 溶銑の精錬方法
GB2127436B (en) * 1982-09-23 1986-03-19 Nat Res Dev Removing phosphorus from iron or iron alloys
JP2542137Y2 (ja) * 1990-05-24 1997-07-23 新技術工営株式会社 コンクリート型枠
JP6223249B2 (ja) * 2014-03-19 2017-11-01 株式会社神戸製鋼所 脱珪スラグを再利用する脱珪、脱りん、脱炭方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237510A (en) * 1975-09-19 1977-03-23 Nippon Steel Corp Dephosphorization method of molten cast iron
JPS5445611A (en) * 1977-09-16 1979-04-11 Kobe Steel Ltd Treating molten metal

Also Published As

Publication number Publication date
JPS56133413A (en) 1981-10-19
BE888007A (fr) 1981-07-16

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