FR2358464A1 - Procede pour ameliorer le degre de purete de coulees d'acier - Google Patents
Procede pour ameliorer le degre de purete de coulees d'acierInfo
- Publication number
- FR2358464A1 FR2358464A1 FR7717409A FR7717409A FR2358464A1 FR 2358464 A1 FR2358464 A1 FR 2358464A1 FR 7717409 A FR7717409 A FR 7717409A FR 7717409 A FR7717409 A FR 7717409A FR 2358464 A1 FR2358464 A1 FR 2358464A1
- Authority
- FR
- France
- Prior art keywords
- mixt
- molten steel
- pref
- steel
- sulphur
- 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.)
- Withdrawn
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 6
- 239000010959 steel Substances 0.000 title abstract 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title abstract 3
- 239000005864 Sulphur Substances 0.000 title abstract 3
- 239000003795 chemical substances by application Substances 0.000 title abstract 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title 2
- 229910052786 argon Inorganic materials 0.000 title 1
- 239000000843 powder Substances 0.000 title 1
- 239000002893 slag Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 2
- 239000011707 mineral Substances 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 abstract 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 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
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21C7/064—Dephosphorising; Desulfurising
-
- 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)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762631368 DE2631368B1 (de) | 1976-07-13 | 1976-07-13 | Verfahren zur verbesserung des sulfidischen und oxydischen reinheitsgrades von desoxydierten und/oder mit entschwefelungsmittel behandelten stahlschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2358464A1 true FR2358464A1 (fr) | 1978-02-10 |
Family
ID=5982844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7717409A Withdrawn FR2358464A1 (fr) | 1976-07-13 | 1977-06-07 | Procede pour ameliorer le degre de purete de coulees d'acier |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS539216A (cs) |
| AU (1) | AU2657977A (cs) |
| BE (1) | BE856734A (cs) |
| DE (1) | DE2631368B1 (cs) |
| FR (1) | FR2358464A1 (cs) |
| IT (1) | IT1076098B (cs) |
| LU (1) | LU77734A1 (cs) |
| NL (1) | NL7704992A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942405A1 (de) * | 1989-12-21 | 1991-06-27 | Krupp Polysius Ag | Verfahren und foerderanlage zum einblasen von pulverfoermigem behandlungsmittel in roheisen- und stahlschmelzen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405363A (en) * | 1982-04-12 | 1983-09-20 | Scandinavian Lancers Aktiebolag | Method for refining of steel melts |
| CN114890803A (zh) * | 2022-05-30 | 2022-08-12 | 武汉科技大学 | 一种含超氧自由基的高温氧化物熔体的制备方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1408685A (fr) * | 1964-09-24 | 1965-08-13 | Suedwestfalen Ag Stahlwerke | Procédé pour la fabrication de lingots d'acier |
| FR2217424A1 (cs) * | 1973-02-15 | 1974-09-06 | Uddeholms Ab | |
| DE2352514A1 (de) * | 1973-10-19 | 1975-04-30 | Hoesch Werke Ag | Verfahren zur herstellung von besonders reinem aluminiumberuhigtem stahl |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125479B2 (cs) * | 1971-09-08 | 1976-07-31 | ||
| BE791197A (fr) * | 1971-11-11 | 1973-03-01 | Steetley Mfg Ltd | Compositions de castine |
| JPS49328U (cs) * | 1972-04-04 | 1974-01-05 | ||
| JPS5085513A (cs) * | 1973-12-05 | 1975-07-10 |
-
1976
- 1976-07-13 DE DE19762631368 patent/DE2631368B1/de not_active Withdrawn
-
1977
- 1977-05-06 NL NL7704992A patent/NL7704992A/xx not_active Application Discontinuation
- 1977-06-07 FR FR7717409A patent/FR2358464A1/fr not_active Withdrawn
- 1977-06-29 AU AU26579/77A patent/AU2657977A/en active Pending
- 1977-07-11 LU LU77734A patent/LU77734A1/xx unknown
- 1977-07-12 BE BE179277A patent/BE856734A/xx unknown
- 1977-07-13 JP JP8401377A patent/JPS539216A/ja active Pending
- 1977-07-13 IT IT25661/77A patent/IT1076098B/it active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1408685A (fr) * | 1964-09-24 | 1965-08-13 | Suedwestfalen Ag Stahlwerke | Procédé pour la fabrication de lingots d'acier |
| FR2217424A1 (cs) * | 1973-02-15 | 1974-09-06 | Uddeholms Ab | |
| DE2352514A1 (de) * | 1973-10-19 | 1975-04-30 | Hoesch Werke Ag | Verfahren zur herstellung von besonders reinem aluminiumberuhigtem stahl |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942405A1 (de) * | 1989-12-21 | 1991-06-27 | Krupp Polysius Ag | Verfahren und foerderanlage zum einblasen von pulverfoermigem behandlungsmittel in roheisen- und stahlschmelzen |
Also Published As
| Publication number | Publication date |
|---|---|
| LU77734A1 (cs) | 1977-10-14 |
| BE856734A (fr) | 1977-10-31 |
| AU2657977A (en) | 1979-01-04 |
| NL7704992A (nl) | 1978-01-17 |
| IT1076098B (it) | 1985-04-22 |
| JPS539216A (en) | 1978-01-27 |
| DE2631368B1 (de) | 1977-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |