KR880007752A - 용강탈린제 - Google Patents
용강탈린제 Download PDFInfo
- Publication number
- KR880007752A KR880007752A KR860010299A KR860010299A KR880007752A KR 880007752 A KR880007752 A KR 880007752A KR 860010299 A KR860010299 A KR 860010299A KR 860010299 A KR860010299 A KR 860010299A KR 880007752 A KR880007752 A KR 880007752A
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- molten iron
- agent
- quicklime
- iron oxide
- Prior art date
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
- C21C7/064—Dephosphorising; Desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 탄산나트륨의 첨가량에 대한 탈린율 및 내화물용손율변화를 나타낸 그래프.
Claims (2)
- 전로슬래그 25-45중량%, 생석회 20-30중량% 및 산화철 25-55중량%를 조성하여서 된 것을 특징으로 하는 용강탈린제.
- 전로슬래그 25-45중량%, 생석회 20-30중량% 및 산화철 25-55중량%로 구성된 용강탈린제의 100중량비에 대하여 10중량비 이하의 칼슘계 화합물 및 나트륨계 화합물 중 한 성분 또는 두 성분 이상의 혼합물을 첨가하여 된 것을 특징으로 하는 용강탈린제.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860010299A KR900004842B1 (ko) | 1986-12-03 | 1986-12-03 | 용강탈린제 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860010299A KR900004842B1 (ko) | 1986-12-03 | 1986-12-03 | 용강탈린제 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880007752A true KR880007752A (ko) | 1988-08-29 |
KR900004842B1 KR900004842B1 (ko) | 1990-07-08 |
Family
ID=19253784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860010299A KR900004842B1 (ko) | 1986-12-03 | 1986-12-03 | 용강탈린제 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900004842B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109852756A (zh) * | 2019-03-06 | 2019-06-07 | 安徽工业大学 | 一种少氟的高效含铬铁水预处理脱磷剂 |
-
1986
- 1986-12-03 KR KR1019860010299A patent/KR900004842B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109852756A (zh) * | 2019-03-06 | 2019-06-07 | 安徽工业大学 | 一种少氟的高效含铬铁水预处理脱磷剂 |
Also Published As
Publication number | Publication date |
---|---|
KR900004842B1 (ko) | 1990-07-08 |
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Legal Events
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---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19980709 Year of fee payment: 9 |
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LAPS | Lapse due to unpaid annual fee |