KR870002275A - 취입용 용선탈규제 - Google Patents
취입용 용선탈규제Info
- Publication number
- KR870002275A KR870002275A KR1019850006369A KR850006369A KR870002275A KR 870002275 A KR870002275 A KR 870002275A KR 1019850006369 A KR1019850006369 A KR 1019850006369A KR 850006369 A KR850006369 A KR 850006369A KR 870002275 A KR870002275 A KR 870002275A
- Authority
- KR
- South Korea
- Prior art keywords
- iron
- deregulation
- charter
- blowing
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
-
- 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
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)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명 용선탈규제에 의한 시간에 따른 탈규효과를 나타낸 그래프.
Claims (2)
- CaO : 10-45%, 할로겐화합물(CaF2 또는 Na3AlF6) : 2-20%, 산화철(T. Fe : 60%이상) : 40-90%로 조성되고 입도가 1.0m/m인 용선탈규제.
- 제1항에서 사용하는 산화철이 불순산화물(SiO2, Al203 동)을 40%이하 함유하고 있는 밀스케일 및 철광석(소결광, 사철포함)인 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019850006369A KR890002895B1 (ko) | 1985-08-31 | 1985-08-31 | 취입용 용선 탈규제 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019850006369A KR890002895B1 (ko) | 1985-08-31 | 1985-08-31 | 취입용 용선 탈규제 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870002275A true KR870002275A (ko) | 1987-03-30 |
KR890002895B1 KR890002895B1 (ko) | 1989-08-08 |
Family
ID=19242529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850006369A KR890002895B1 (ko) | 1985-08-31 | 1985-08-31 | 취입용 용선 탈규제 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890002895B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010100203A (ko) * | 2000-03-16 | 2001-11-14 | 이구택 | 용선용 탈규제 |
KR101038553B1 (ko) * | 2003-12-17 | 2011-06-02 | 주식회사 포스코 | 탈규효율이 향상된 용선의 탈규방법 |
-
1985
- 1985-08-31 KR KR1019850006369A patent/KR890002895B1/ko active Pre-grant Review Request
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010100203A (ko) * | 2000-03-16 | 2001-11-14 | 이구택 | 용선용 탈규제 |
KR101038553B1 (ko) * | 2003-12-17 | 2011-06-02 | 주식회사 포스코 | 탈규효율이 향상된 용선의 탈규방법 |
Also Published As
Publication number | Publication date |
---|---|
KR890002895B1 (ko) | 1989-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
O035 | Opposition [patent]: request for opposition |
Free format text: OPPOSITION NUMBER: 001989000372; OPPOSITION DATE: 19891010 |