KR100264989B1 - 대형지금 발생방지용 슬래그 분화재 - Google Patents
대형지금 발생방지용 슬래그 분화재 Download PDFInfo
- Publication number
- KR100264989B1 KR100264989B1 KR1019960067565A KR19960067565A KR100264989B1 KR 100264989 B1 KR100264989 B1 KR 100264989B1 KR 1019960067565 A KR1019960067565 A KR 1019960067565A KR 19960067565 A KR19960067565 A KR 19960067565A KR 100264989 B1 KR100264989 B1 KR 100264989B1
- Authority
- KR
- South Korea
- Prior art keywords
- slag
- ladle
- present
- eruption
- sio
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract 2
- 230000002265 prevention Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 230000004069 differentiation Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 238000009628 steelmaking Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- -1 scum Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- 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
- C21C2200/00—Recycling of waste material
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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Description
Claims (1)
- 래들에서 유출되어 발생되는 지금중 대형지금발생을 방지하기 위한 슬래그 분화재에 있어서, 중량%로, SiO2:65-70%, CaO:10-12%, Al2O3:9-10%, 전철(T.Fe):2-3%, MgO:2-2.5%, MnO:0.1-0.3% 및 나머지는 기타 불가피한 불순물로 조성됨을 특징으로 하는 대형지금발생방지용 슬래그 분화재.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960067565A KR100264989B1 (ko) | 1996-12-18 | 1996-12-18 | 대형지금 발생방지용 슬래그 분화재 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960067565A KR100264989B1 (ko) | 1996-12-18 | 1996-12-18 | 대형지금 발생방지용 슬래그 분화재 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980048915A KR19980048915A (ko) | 1998-09-15 |
KR100264989B1 true KR100264989B1 (ko) | 2000-09-01 |
Family
ID=19488933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960067565A KR100264989B1 (ko) | 1996-12-18 | 1996-12-18 | 대형지금 발생방지용 슬래그 분화재 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100264989B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100392421B1 (ko) * | 1996-12-24 | 2003-11-01 | 주식회사 포스코 | 전로 취련 방법 |
KR101295067B1 (ko) | 2011-09-05 | 2013-08-08 | 주식회사 포스코 | 저강도 강지금 제조방법 |
-
1996
- 1996-12-18 KR KR1019960067565A patent/KR100264989B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100392421B1 (ko) * | 1996-12-24 | 2003-11-01 | 주식회사 포스코 | 전로 취련 방법 |
KR101295067B1 (ko) | 2011-09-05 | 2013-08-08 | 주식회사 포스코 | 저강도 강지금 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR19980048915A (ko) | 1998-09-15 |
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