DE2149353A1 - Verfahren und Vorrichtung zur Desoxidation eines siliziumhaltigen Stahlbades - Google Patents
Verfahren und Vorrichtung zur Desoxidation eines siliziumhaltigen StahlbadesInfo
- Publication number
- DE2149353A1 DE2149353A1 DE19712149353 DE2149353A DE2149353A1 DE 2149353 A1 DE2149353 A1 DE 2149353A1 DE 19712149353 DE19712149353 DE 19712149353 DE 2149353 A DE2149353 A DE 2149353A DE 2149353 A1 DE2149353 A1 DE 2149353A1
- Authority
- DE
- Germany
- Prior art keywords
- slag
- outlet opening
- sieve
- gas
- steel bath
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 21
- 239000010959 steel Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 14
- 229910052710 silicon Inorganic materials 0.000 title claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 10
- 239000010703 silicon Substances 0.000 title claims description 10
- 239000002893 slag Substances 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 229910004028 SiCU Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 229910000658 steel phase Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 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
- C21C7/06—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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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 |
|---|---|---|---|
| SE1358870 | 1970-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2149353A1 true DE2149353A1 (de) | 1972-04-13 |
Family
ID=20297646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712149353 Pending DE2149353A1 (de) | 1970-10-07 | 1971-10-02 | Verfahren und Vorrichtung zur Desoxidation eines siliziumhaltigen Stahlbades |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU3430571A (https=) |
| BE (1) | BE773627A (https=) |
| DE (1) | DE2149353A1 (https=) |
| FR (1) | FR2110280A3 (https=) |
| IT (1) | IT938998B (https=) |
-
1971
- 1971-10-02 DE DE19712149353 patent/DE2149353A1/de active Pending
- 1971-10-07 AU AU34305/71A patent/AU3430571A/en not_active Expired
- 1971-10-07 BE BE773627A patent/BE773627A/xx unknown
- 1971-10-07 IT IT29614/71A patent/IT938998B/it active
- 1971-10-07 FR FR7136136A patent/FR2110280A3/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU3430571A (en) | 1973-04-12 |
| BE773627A (fr) | 1972-01-31 |
| FR2110280B3 (https=) | 1974-06-07 |
| FR2110280A3 (en) | 1972-06-02 |
| IT938998B (it) | 1973-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1408841A1 (de) | Verfahren und Vorrichtung zum Verhuetten von Metallen wie Stahl und Roheisen | |
| AT507365A2 (de) | Verbesserte legierungswiedergewinnung in stahlschmelzbädern unter verwendung von mit desoxidationsmitteln dotierten fülldrähten | |
| DE3211269A1 (de) | Verfahren zur herstellung von gebleitem automatenstahl durch ein kontinuierliches giessverfahren | |
| DE2326603A1 (de) | Verfahren und vorrichtung zur einfuehrung von feststoffen in eine metallschmelze | |
| DE2650750A1 (de) | Verfahren zum gewinnen von eisen aus schlacke | |
| DE2255977C3 (de) | Verfahren zum Raffinieren von metallischem Kupfer | |
| DE3049053A1 (de) | Verfahren und vorrichtung zur abtrennung von schlacke und zum ausgiessen einer stahlschmelze aus einem behaelter | |
| DE2245612A1 (de) | Verfahren zum zementieren von metallen | |
| DE1483587A1 (de) | Verfahren und Vorrichtung zum Einfuehren eines Zusatzstoffes in eine Metallschmelze | |
| DE2149353A1 (de) | Verfahren und Vorrichtung zur Desoxidation eines siliziumhaltigen Stahlbades | |
| DE2507961A1 (de) | Verfahren und vorrichtung zum herstellen von stahl aus roheisen | |
| EP1541699B1 (de) | Verfahren zum rühren von stahl | |
| DE3215419A1 (de) | Verfahren zum aufbereiten von pulverfoermigen metalloxyden als legierungszusaetze zu stahlschmelzen | |
| DE2014772A1 (de) | Verfahren zur Behandlung von unreinem Aluminiumchlorid | |
| DE2326174C2 (de) | Einschränkung der Oxydation des Einsatzes beim Einschmelzen von Schrott o.dgl | |
| DE4033182C2 (https=) | ||
| EP0565763B1 (de) | Mittel und Verfahren zur Calciumbehandlung von Stahl | |
| EP0316920A1 (de) | Stickstoffhaltiges Zusatzmittel für Stahlschmelzen | |
| DE2203455C3 (de) | Verfahren zur Erzeugung von flüssigem aufgekohltem Eisen | |
| DE2550620A1 (de) | Verfahren zum einverleiben eines hochreaktiven materials in geschmolzenen stahl | |
| DE1921885A1 (de) | Verfahren und Vorrichtung zur Aufbereitung von Stueckmetallgemischen | |
| DE3437684C1 (de) | Verfahren zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung | |
| EP0178526A2 (de) | Vorrichtung zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung | |
| DE1196683B (de) | Vorrichtung und Verfahren zum Aufgeben pulverfoermiger oder gekoernter Stoffe in Gusseisenschmelzbaeder | |
| DE1467347B2 (de) | Verfahren zur herstellung von bleiglaette |