KR870004151A - 석회계 용선탈린제 - Google Patents

석회계 용선탈린제 Download PDF

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Publication number
KR870004151A
KR870004151A KR1019850007862A KR850007862A KR870004151A KR 870004151 A KR870004151 A KR 870004151A KR 1019850007862 A KR1019850007862 A KR 1019850007862A KR 850007862 A KR850007862 A KR 850007862A KR 870004151 A KR870004151 A KR 870004151A
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KR
South Korea
Prior art keywords
iron
lime
oxide
calcium
calcium fluoride
Prior art date
Application number
KR1019850007862A
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English (en)
Other versions
KR890004042B1 (ko
Inventor
심재동
현도빈
김경식
Original Assignee
전학제
한국과학기술원
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 전학제, 한국과학기술원 filed Critical 전학제
Priority to KR1019850007862A priority Critical patent/KR890004042B1/ko
Publication of KR870004151A publication Critical patent/KR870004151A/ko
Application granted granted Critical
Publication of KR890004042B1 publication Critical patent/KR890004042B1/ko

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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

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  • 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)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

내용 없음

Description

석회계 용선탈린제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 기체수송 방식에 의한 분체취입법 또는 통상의 레이들 정령법으로 용선중의인을 제거하기 위하여 사용하는 산화칼슘(Ca0), 산화철(Fe2O3) 및 불화칼슘(CaF2)으로 조성된 선회계용선 탈린제.
  2. 특허청구 범위 제 1 항에 있어서, 산화칼슘 함량이 15중량%~50중량%, 불화칼슘 함량이 7중량%~30중량%이고 CaO/O의 중량비가 1.5~3.0이 되도록 산화철을 함유하는 석회계 용선 탈린제.
  3. 특허청구 범위 제 1 항에 있어서, 산화철 성분으로서 밀스케일 또는 소결광 또는 철광석을 사용하고, 불화칼슘 성분으로서는 품위 70%이상의 형석을 사용하는 석회계 용선 탈린제.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850007862A 1985-10-24 1985-10-24 석회계 용선탈린제 KR890004042B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850007862A KR890004042B1 (ko) 1985-10-24 1985-10-24 석회계 용선탈린제

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850007862A KR890004042B1 (ko) 1985-10-24 1985-10-24 석회계 용선탈린제

Publications (2)

Publication Number Publication Date
KR870004151A true KR870004151A (ko) 1987-05-07
KR890004042B1 KR890004042B1 (ko) 1989-10-18

Family

ID=19243319

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007862A KR890004042B1 (ko) 1985-10-24 1985-10-24 석회계 용선탈린제

Country Status (1)

Country Link
KR (1) KR890004042B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100909691B1 (ko) * 2002-12-18 2009-07-29 주식회사 포스코 진공탈가스설비에서 고순도 산화철을 이용한 용강탈린방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100909691B1 (ko) * 2002-12-18 2009-07-29 주식회사 포스코 진공탈가스설비에서 고순도 산화철을 이용한 용강탈린방법

Also Published As

Publication number Publication date
KR890004042B1 (ko) 1989-10-18

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