EP2986743A1 - Verfahren und anlage zur hersteilung von ferrolegierungen mit niedrigem kohlenstoffgehalt in einem vakuum-konverter - Google Patents
Verfahren und anlage zur hersteilung von ferrolegierungen mit niedrigem kohlenstoffgehalt in einem vakuum-konverterInfo
- Publication number
- EP2986743A1 EP2986743A1 EP14724289.5A EP14724289A EP2986743A1 EP 2986743 A1 EP2986743 A1 EP 2986743A1 EP 14724289 A EP14724289 A EP 14724289A EP 2986743 A1 EP2986743 A1 EP 2986743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- converter
- vacuum
- nozzles
- injected
- oxygen
- 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
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
- 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
- C21C5/35—Blowing from above and 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
- 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
- C21C7/068—Decarburising
-
- 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
- C21C7/10—Handling in a vacuum
Definitions
- the vacuum converter is equipped with a valve station that allows mixing of the process and inert gases used for the top lance and bottom bath nozzles.
- the gases are mixed as follows, especially in the case of the underbath nozzles on the process and inert gas sides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013006986 | 2013-04-15 | ||
| DE201310014856 DE102013014856A1 (de) | 2013-04-15 | 2013-09-02 | Verfahren und Anlage zur Herstellung von Ferrolegierungen mit niedrigem Kohlenstoffgehalt in einem Vakuum-Konverter |
| PCT/DE2014/000164 WO2014169888A1 (de) | 2013-04-15 | 2014-03-25 | Verfahren und anlage zur hersteilung von ferrolegierungen mit niedrigem kohlenstoffgehalt in einem vakuum-konverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2986743A1 true EP2986743A1 (de) | 2016-02-24 |
| EP2986743B1 EP2986743B1 (de) | 2017-02-01 |
Family
ID=51618168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14724289.5A Active EP2986743B1 (de) | 2013-04-15 | 2014-03-25 | Verfahren zur hersteilung von ferrolegierungen mit niedrigem kohlenstoffgehalt in einem vakuum-konverter |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2986743B1 (de) |
| DE (1) | DE102013014856A1 (de) |
| WO (1) | WO2014169888A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424136A (zh) * | 2019-01-10 | 2020-07-17 | 宝山钢铁股份有限公司 | 一种rh柔性自补偿密封通道及其柔性补偿方法 |
| EP4056721A1 (de) | 2021-03-08 | 2022-09-14 | SMS Group GmbH | Verfahren zum herstellen einer ferrolegierung mit niedrigem kohlenstoffgehalt |
| DE102021214218A1 (de) | 2021-03-08 | 2022-09-08 | Sms Group Gmbh | Verfahren zum Herstellen einer Ferrolegierung mit niedrigem Kohlenstoffgehalt |
| DE102021214220A1 (de) | 2021-03-08 | 2022-09-08 | Sms Group Gmbh | Verfahren zum Herstellen einer Ferrolegierung mit niedrigem Kohlenstoffgehalt |
| EP4056720A1 (de) | 2021-03-08 | 2022-09-14 | SMS Group GmbH | Verfahren zum herstellen einer ferrolegierung mit niedrigem kohlenstoffgehalt |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2123212A1 (en) * | 1971-01-29 | 1972-09-08 | Creusot Loire | Refinement and alloying of steel - in one furnace as one sequence of operations esp for stainless steel |
| DE4401244C2 (de) * | 1994-01-18 | 2002-11-07 | Ald Vacuum Techn Ag | Verfahren zur Entkohlung von Stahlschmelzen |
| JP3531218B2 (ja) * | 1994-06-20 | 2004-05-24 | 大同特殊鋼株式会社 | 低炭素含クロム鋼の製造方法 |
| BRPI0216050B1 (pt) * | 2001-09-20 | 2015-12-29 | Nippon Steel & Sumitomo Metal Corp | aparelho de refino para aços ao cromo fundidos |
-
2013
- 2013-09-02 DE DE201310014856 patent/DE102013014856A1/de not_active Withdrawn
-
2014
- 2014-03-25 EP EP14724289.5A patent/EP2986743B1/de active Active
- 2014-03-25 WO PCT/DE2014/000164 patent/WO2014169888A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014169888A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2986743B1 (de) | 2017-02-01 |
| WO2014169888A1 (de) | 2014-10-23 |
| DE102013014856A1 (de) | 2014-10-16 |
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