KR20060023079A - 제강슬래그의 에이징 방법 - Google Patents
제강슬래그의 에이징 방법 Download PDFInfo
- Publication number
- KR20060023079A KR20060023079A KR1020040071908A KR20040071908A KR20060023079A KR 20060023079 A KR20060023079 A KR 20060023079A KR 1020040071908 A KR1020040071908 A KR 1020040071908A KR 20040071908 A KR20040071908 A KR 20040071908A KR 20060023079 A KR20060023079 A KR 20060023079A
- Authority
- KR
- South Korea
- Prior art keywords
- slag
- aging
- water
- converter
- steelmaking
- 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
- 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
- C21C5/36—Processes yielding slags of special composition
-
- 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
- C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
-
- 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
- C21C2300/00—Process aspects
- C21C2300/04—Avoiding foam formation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Description
실시예 1 | 비교예 1 | |
전로슬래그 팽창율 | 0.1~0.3 | 0.2~0.7 |
Claims (3)
- 전로슬래그상부에 빗물 또는 인공수를 분사함과 동시에 배가스를 분사하여 배가스와 인공수 또는 빗물이 반응토록 하는 단계와,상기 배가스와 인공수 또는 빗물을 반응시켜 전로슬래그에 분사하는 단계와,상기 배가스와 반응한 인공수 또는 빗물을 전로슬래그와 반응시켜 슬래그 중의 free CaO를 안정화하는 제강슬래그의 에이징 방법.
- 제 1항에 있어서,상기 빗물 또는 인공수의 pH는 5.0~5.6 이 되도록 하는 것을 특징으로 하는 제강슬래그의 에이징 방법.
- 제 1항에 있어서,상기 배가스는 탄산가스와 아황산가스를 포함하는 것을 특징으로 하는 제강슬래그의 에이징 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040071908A KR100590994B1 (ko) | 2004-09-08 | 2004-09-08 | 제강슬래그의 에이징 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040071908A KR100590994B1 (ko) | 2004-09-08 | 2004-09-08 | 제강슬래그의 에이징 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060023079A true KR20060023079A (ko) | 2006-03-13 |
KR100590994B1 KR100590994B1 (ko) | 2006-06-19 |
Family
ID=37129407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040071908A KR100590994B1 (ko) | 2004-09-08 | 2004-09-08 | 제강슬래그의 에이징 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100590994B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008017724A3 (de) * | 2006-08-10 | 2008-04-17 | Sachtleben Chemie Gmbh | Aus schlacken gewonnener zuschlag- und füllstoff |
KR101220711B1 (ko) * | 2011-04-11 | 2013-01-09 | 임정빈 | 탄산가스를 이용한 철강슬래그의 유리석회(Free CaO)성분을 안정화 시키는 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6445718A (en) * | 1987-08-14 | 1989-02-20 | Nippon Steel Corp | Production of calcium carbonate fine powder |
KR20000041665A (ko) * | 1998-12-23 | 2000-07-15 | 이구택 | 탄산온수를 이용한 전로슬래그의 시효처리방법 |
-
2004
- 2004-09-08 KR KR1020040071908A patent/KR100590994B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008017724A3 (de) * | 2006-08-10 | 2008-04-17 | Sachtleben Chemie Gmbh | Aus schlacken gewonnener zuschlag- und füllstoff |
US8540816B2 (en) | 2006-08-10 | 2013-09-24 | Sachtleben Chemie Gmbh | Aggregate and filler extracted from slag |
KR101220711B1 (ko) * | 2011-04-11 | 2013-01-09 | 임정빈 | 탄산가스를 이용한 철강슬래그의 유리석회(Free CaO)성분을 안정화 시키는 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100590994B1 (ko) | 2006-06-19 |
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