EP2216110A3 - Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD - Google Patents
Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD Download PDFInfo
- Publication number
- EP2216110A3 EP2216110A3 EP10000617.0A EP10000617A EP2216110A3 EP 2216110 A3 EP2216110 A3 EP 2216110A3 EP 10000617 A EP10000617 A EP 10000617A EP 2216110 A3 EP2216110 A3 EP 2216110A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- inert gas
- side nozzles
- bof
- period
- coiling
- 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
- 239000011261 inert gas Substances 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 238000007664 blowing Methods 0.000 abstract 4
- 239000012530 fluid Substances 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000010926 purge Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
-
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009005795 | 2009-01-22 | ||
DE102009049896A DE102009049896A1 (de) | 2009-01-22 | 2009-10-20 | Impulsspülung mit Inertgas beim BOF- und AOD-Konverterprozess |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2216110A2 EP2216110A2 (fr) | 2010-08-11 |
EP2216110A3 true EP2216110A3 (fr) | 2017-02-08 |
EP2216110B1 EP2216110B1 (fr) | 2021-06-23 |
Family
ID=42309065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10000617.0A Active EP2216110B1 (fr) | 2009-01-22 | 2010-01-22 | Rinçage à impulsion doté de gaz inerte lors du processus de conversion BOF et AOD |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2216110B1 (fr) |
DE (1) | DE102009049896A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2511862A1 (de) * | 1974-04-11 | 1975-10-23 | Creusot Loire | Verfahren und vorrichtung zum einblasen von strahlen unterschiedlicher impulse in metallschmelzen |
US4334921A (en) * | 1979-04-16 | 1982-06-15 | Nippon Steel Corporation | Converter steelmaking process |
US4382817A (en) * | 1980-01-02 | 1983-05-10 | Institute De Recherches De La Siderurgie Francaise | Process for periodically and pneumatically stirring a bath of molten metal |
EP1764421A2 (fr) * | 2002-08-21 | 2007-03-21 | Voest-Alpine Industrieanlagenbau GmbH & Co. | Dispositif de décarburation d'une fonte d'acier |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05105925A (ja) * | 1991-10-17 | 1993-04-27 | Nippon Steel Corp | 金属浴式の溶融還元法 |
-
2009
- 2009-10-20 DE DE102009049896A patent/DE102009049896A1/de not_active Withdrawn
-
2010
- 2010-01-22 EP EP10000617.0A patent/EP2216110B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2511862A1 (de) * | 1974-04-11 | 1975-10-23 | Creusot Loire | Verfahren und vorrichtung zum einblasen von strahlen unterschiedlicher impulse in metallschmelzen |
US4334921A (en) * | 1979-04-16 | 1982-06-15 | Nippon Steel Corporation | Converter steelmaking process |
US4382817A (en) * | 1980-01-02 | 1983-05-10 | Institute De Recherches De La Siderurgie Francaise | Process for periodically and pneumatically stirring a bath of molten metal |
EP1764421A2 (fr) * | 2002-08-21 | 2007-03-21 | Voest-Alpine Industrieanlagenbau GmbH & Co. | Dispositif de décarburation d'une fonte d'acier |
Also Published As
Publication number | Publication date |
---|---|
EP2216110B1 (fr) | 2021-06-23 |
DE102009049896A1 (de) | 2010-08-05 |
EP2216110A2 (fr) | 2010-08-11 |
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