KR870000434A - CaC₂-CaCo₃계 용선탈황제 - Google Patents

CaC₂-CaCo₃계 용선탈황제 Download PDF

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Publication number
KR870000434A
KR870000434A KR1019850004472A KR850004472A KR870000434A KR 870000434 A KR870000434 A KR 870000434A KR 1019850004472 A KR1019850004472 A KR 1019850004472A KR 850004472 A KR850004472 A KR 850004472A KR 870000434 A KR870000434 A KR 870000434A
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KR
South Korea
Prior art keywords
cac
cac2
caco3
molten iron
desulfurization agent
Prior art date
Application number
KR1019850004472A
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English (en)
Other versions
KR890002896B1 (ko
Inventor
김기창
임성규
Original Assignee
김영환
한국전열화학공업 주식회사
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.)
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Publication date
Application filed by 김영환, 한국전열화학공업 주식회사 filed Critical 김영환
Priority to KR1019850004472A priority Critical patent/KR890002896B1/ko
Publication of KR870000434A publication Critical patent/KR870000434A/ko
Application granted granted Critical
Publication of KR890002896B1 publication Critical patent/KR890002896B1/ko

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/02General features in the manufacture of pig-iron by applying additives, e.g. fluxing agents
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

내용 없음

Description

CaC2-CaCo3계 용선탈황제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명 탈황제에 의한 탈황시 처리시관과 용선 중 황 함량의 관계도표.

Claims (2)

  1. CaC2: 70-98%, CaCo3(또는 Na2CO3) : 2-30%로 조성되고 입도가 0.5m/m 이하인 CaC2-CaCo3계 용선탈황제.
  2. 제1항에서 사용하는 CaC2에는 CaC2제조시의 미반응 성분인 산화칼슘, 수산화칼슘 및 산화알루미늄이 단독 또는 혼합적으로 40% 이하 함유함을 특징으로 하는 CaC2-CaCo3계 용선탈황제.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850004472A 1985-06-24 1985-06-24 CaC_2-CaCO_3계 용선 탈황제 KR890002896B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850004472A KR890002896B1 (ko) 1985-06-24 1985-06-24 CaC_2-CaCO_3계 용선 탈황제

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850004472A KR890002896B1 (ko) 1985-06-24 1985-06-24 CaC_2-CaCO_3계 용선 탈황제

Publications (2)

Publication Number Publication Date
KR870000434A true KR870000434A (ko) 1987-02-18
KR890002896B1 KR890002896B1 (ko) 1989-08-08

Family

ID=19241543

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850004472A KR890002896B1 (ko) 1985-06-24 1985-06-24 CaC_2-CaCO_3계 용선 탈황제

Country Status (1)

Country Link
KR (1) KR890002896B1 (ko)

Also Published As

Publication number Publication date
KR890002896B1 (ko) 1989-08-08

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E601 Decision to refuse application
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G160 Decision to publish patent application
O035 Opposition [patent]: request for opposition

Free format text: OPPOSITION NUMBER: 001989000680; OPPOSITION DATE: 19891010