KR100476812B1 - 용강중 실리콘 제거용 합성플럭스 제조방법 - Google Patents
용강중 실리콘 제거용 합성플럭스 제조방법 Download PDFInfo
- Publication number
- KR100476812B1 KR100476812B1 KR10-2000-0079580A KR20000079580A KR100476812B1 KR 100476812 B1 KR100476812 B1 KR 100476812B1 KR 20000079580 A KR20000079580 A KR 20000079580A KR 100476812 B1 KR100476812 B1 KR 100476812B1
- Authority
- KR
- South Korea
- Prior art keywords
- molten steel
- flux
- weight
- silicon
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- 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)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
CaO | MgO | SiO2 | Al2O3 | Fe2O3 | 강열감량(1050℃) |
45.1∼55.6 | 0.1∼3.8 | 0.2∼5.1 | 0.1∼5.1 | 0.1∼3.5 | 36.5∼45.5 |
0.1∼0.8 | 0.1∼1.2 | 94.9∼99.5 | 0.1∼1.5 | 0.1∼2.8 | 1.8이하 |
0.001 | 0.001 | 0.001 | 0.002 | 98.9∼99.9 | 0.25이하 |
용융온도(℃)에 따른 흡수율(%) | 1400 | 1425 | 1450 | 1475 |
(가) | 7.8 | 3.2 | 0.6 | 0.3 |
(나) | 10.5 | 4.3 | 0.8 | 0.5 |
구분 | 비교예 1 | 발명예 1 | 발명예 2 | 발명예 3 | 비교예 2 |
석회석슬러지(중량%) | 20 | 30 | 40 | 50 | 60 |
규석분말(중량%) | 80 | 70 | 60 | 50 | 40 |
개재물수(갯수/mm2) | 25 | 8 | 7 | 9 | 18 |
개재물평균크기(㎛) | 19 | 12 | 10 | 9 | 21 |
Claims (1)
- 용강중 실리콘 제거용 합성플럭스를 제조하는 방법에 있어서,석회석슬러지 30∼50중량% 및 규석분말 50∼70중량%를 배합하여 얻어진 배합원료를 1450℃이상의 온도에서 용융합성시킨 후, 배합원료의 총중량을 기준으로 산화철을 60%이상으로 첨가하고 통상의 방법으로 추출 및 냉각하는 것을 특징으로 하는 용강중 포함된 실리콘 제거용 합성플럭스 제조방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0079580A KR100476812B1 (ko) | 2000-12-21 | 2000-12-21 | 용강중 실리콘 제거용 합성플럭스 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0079580A KR100476812B1 (ko) | 2000-12-21 | 2000-12-21 | 용강중 실리콘 제거용 합성플럭스 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020050431A KR20020050431A (ko) | 2002-06-27 |
KR100476812B1 true KR100476812B1 (ko) | 2005-03-18 |
Family
ID=27684111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0079580A KR100476812B1 (ko) | 2000-12-21 | 2000-12-21 | 용강중 실리콘 제거용 합성플럭스 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100476812B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100603538B1 (ko) * | 2004-12-27 | 2006-07-20 | 주식회사 인텍 | 제강용 플럭스 및 그 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60245717A (ja) * | 1984-05-22 | 1985-12-05 | Nippon Steel Corp | 溶鋼精錬用フラツクス |
KR19980016388A (ko) * | 1996-08-26 | 1998-05-25 | 최순용 | 제강용 플럭스(flux) 제조방법 및 그 플럭스 |
KR100189297B1 (ko) * | 1996-12-24 | 1999-06-01 | 홍상복 | 용융 합성슬래그 제조방법 |
-
2000
- 2000-12-21 KR KR10-2000-0079580A patent/KR100476812B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60245717A (ja) * | 1984-05-22 | 1985-12-05 | Nippon Steel Corp | 溶鋼精錬用フラツクス |
KR19980016388A (ko) * | 1996-08-26 | 1998-05-25 | 최순용 | 제강용 플럭스(flux) 제조방법 및 그 플럭스 |
KR100189297B1 (ko) * | 1996-12-24 | 1999-06-01 | 홍상복 | 용융 합성슬래그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020050431A (ko) | 2002-06-27 |
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