JPS62109911A - 溶銑の脱珪・脱燐方法 - Google Patents
溶銑の脱珪・脱燐方法Info
- Publication number
- JPS62109911A JPS62109911A JP60249667A JP24966785A JPS62109911A JP S62109911 A JPS62109911 A JP S62109911A JP 60249667 A JP60249667 A JP 60249667A JP 24966785 A JP24966785 A JP 24966785A JP S62109911 A JPS62109911 A JP S62109911A
- Authority
- JP
- Japan
- Prior art keywords
- desiliconization
- hot metal
- dephosphorization
- flux
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 14
- 229910052742 iron Inorganic materials 0.000 title abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- 230000004907 flux Effects 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 238000011282 treatment Methods 0.000 claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 238000007654 immersion Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 56
- 229910052751 metal Inorganic materials 0.000 claims description 56
- 230000001133 acceleration Effects 0.000 claims description 5
- 239000012159 carrier gas Substances 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 abstract description 11
- 230000007423 decrease Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 20
- 239000002893 slag Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 13
- 239000000292 calcium oxide Substances 0.000 description 10
- 235000012255 calcium oxide Nutrition 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 description 3
- 235000013980 iron oxide Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60249667A JPS62109911A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪・脱燐方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60249667A JPS62109911A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪・脱燐方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62109911A true JPS62109911A (ja) | 1987-05-21 |
| JPS6348921B2 JPS6348921B2 (enrdf_load_stackoverflow) | 1988-10-03 |
Family
ID=17196419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60249667A Granted JPS62109911A (ja) | 1985-11-06 | 1985-11-06 | 溶銑の脱珪・脱燐方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109911A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02200717A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱珪，脱りん処理方法 |
| JPH02200715A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱りん脱硫方法 |
| JPH02200716A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱珪，脱りん方法 |
| KR101257740B1 (ko) | 2011-04-28 | 2013-04-23 | 현대제철 주식회사 | 고실리콘 용선의 정련 방법 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5081965A (en) * | 1990-08-15 | 1992-01-21 | Warr Valves, Inc. | Intake valve for internal combustion engine |
-
1985
- 1985-11-06 JP JP60249667A patent/JPS62109911A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02200717A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱珪，脱りん処理方法 |
| JPH02200715A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱りん脱硫方法 |
| JPH02200716A (ja) * | 1989-01-30 | 1990-08-09 | Nippon Steel Corp | 溶銑の脱珪，脱りん方法 |
| KR101257740B1 (ko) | 2011-04-28 | 2013-04-23 | 현대제철 주식회사 | 고실리콘 용선의 정련 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6348921B2 (enrdf_load_stackoverflow) | 1988-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |