ATE363546T1 - Verfahren und vorrichtung zur entkohlung einer stahlschmelze - Google Patents
Verfahren und vorrichtung zur entkohlung einer stahlschmelzeInfo
- Publication number
- ATE363546T1 ATE363546T1 AT03792199T AT03792199T ATE363546T1 AT E363546 T1 ATE363546 T1 AT E363546T1 AT 03792199 T AT03792199 T AT 03792199T AT 03792199 T AT03792199 T AT 03792199T AT E363546 T1 ATE363546 T1 AT E363546T1
- Authority
- AT
- Austria
- Prior art keywords
- molten steel
- gas
- decarburizing
- melted steel
- decarburization
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel 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
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- 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
- C21C5/005—Manufacture of stainless steel
-
- 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
- C21C5/32—Blowing from above
-
- 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
- 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
- C21C5/4606—Lances or injectors
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0125002A AT411530B (de) | 2002-08-21 | 2002-08-21 | Verfahren und vorrichtung zur entkohlung einer stahlschmelze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE363546T1 true ATE363546T1 (de) | 2007-06-15 |
Family
ID=3687818
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0125002A AT411530B (de) | 2002-08-21 | 2002-08-21 | Verfahren und vorrichtung zur entkohlung einer stahlschmelze |
| AT03792199T ATE363546T1 (de) | 2002-08-21 | 2003-07-15 | Verfahren und vorrichtung zur entkohlung einer stahlschmelze |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0125002A AT411530B (de) | 2002-08-21 | 2002-08-21 | Verfahren und vorrichtung zur entkohlung einer stahlschmelze |
Country Status (8)
| Country | Link |
|---|---|
| EP (2) | EP1764421A3 (de) |
| CN (1) | CN100532581C (de) |
| AT (2) | AT411530B (de) |
| AU (1) | AU2003257462A1 (de) |
| DE (1) | DE50307383D1 (de) |
| ES (1) | ES2287557T3 (de) |
| RU (1) | RU2319750C2 (de) |
| WO (1) | WO2004018714A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009049896A1 (de) * | 2009-01-22 | 2010-08-05 | Sms Siemag Ag | Impulsspülung mit Inertgas beim BOF- und AOD-Konverterprozess |
| DE102014222727A1 (de) * | 2014-11-06 | 2016-05-12 | Sms Group Gmbh | Verfahren und Vorrichtung zur Erzeugung eines Rostfreistahls |
| WO2024100435A1 (en) * | 2022-11-10 | 2024-05-16 | Arcelormittal | Post combustion lance |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT216032B (de) * | 1959-02-20 | 1961-07-10 | Arbed | Vorrichtung zum Beblasen eines Metallbades von oben |
| NL6710354A (de) * | 1966-07-27 | 1968-01-29 | ||
| JPS5589395A (en) * | 1978-12-26 | 1980-07-05 | Sumitomo Metal Ind Ltd | Gasification of solid carbonaceous material and its device |
| JPS6040486B2 (ja) * | 1979-07-03 | 1985-09-11 | 住友金属工業株式会社 | 鋼の精錬法 |
| JPS6063307A (ja) * | 1983-09-14 | 1985-04-11 | Kawasaki Steel Corp | 極低炭素鋼の転炉製鋼法 |
| LU86322A1 (fr) * | 1986-02-25 | 1987-09-10 | Arbed | Lance de soufflage d'oxygene |
| SU1504262A1 (ru) * | 1987-03-24 | 1989-08-30 | Научно-исследовательский институт металлургии | Способ выплавки стали в конверторе |
| LU88023A1 (fr) * | 1991-10-30 | 1993-05-17 | Arbed | Lance de soufflage |
| JPH06158142A (ja) * | 1992-11-24 | 1994-06-07 | Sumitomo Metal Ind Ltd | 高クロム鋼の真空脱炭精錬装置 |
| KR0179394B1 (ko) * | 1994-06-06 | 1999-02-18 | 도자끼 시노부 | 함Cr용강의 탈탄 정련방법 |
| JP3410553B2 (ja) * | 1994-07-27 | 2003-05-26 | 新日本製鐵株式会社 | 含クロム溶鋼の脱炭精錬法 |
| JP3167888B2 (ja) * | 1995-07-27 | 2001-05-21 | 川崎製鉄株式会社 | 含クロム溶鋼の脱炭精錬方法及び精錬ガス用上吹ランス |
| RU2068001C1 (ru) * | 1995-09-29 | 1996-10-20 | Александр Леонидович Кузьмин | Способ продувки расплавов металлов и фурма для его осуществления |
| RU2185447C2 (ru) * | 2000-07-03 | 2002-07-20 | Открытое акционерное общество "Северсталь" | Способ продувки металла в конвертере и фурма для его осуществления |
-
2002
- 2002-08-21 AT AT0125002A patent/AT411530B/de not_active IP Right Cessation
-
2003
- 2003-07-15 RU RU2005107698/02A patent/RU2319750C2/ru not_active IP Right Cessation
- 2003-07-15 AT AT03792199T patent/ATE363546T1/de active
- 2003-07-15 DE DE50307383T patent/DE50307383D1/de not_active Expired - Lifetime
- 2003-07-15 AU AU2003257462A patent/AU2003257462A1/en not_active Abandoned
- 2003-07-15 ES ES03792199T patent/ES2287557T3/es not_active Expired - Lifetime
- 2003-07-15 WO PCT/EP2003/007634 patent/WO2004018714A1/de not_active Ceased
- 2003-07-15 EP EP06020935A patent/EP1764421A3/de not_active Withdrawn
- 2003-07-15 CN CNB038197626A patent/CN100532581C/zh not_active Expired - Fee Related
- 2003-07-15 EP EP03792199A patent/EP1530648B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1764421A3 (de) | 2007-12-26 |
| DE50307383D1 (de) | 2007-07-12 |
| ES2287557T3 (es) | 2007-12-16 |
| EP1530648B1 (de) | 2007-05-30 |
| ATA12502002A (de) | 2003-07-15 |
| EP1530648A1 (de) | 2005-05-18 |
| CN100532581C (zh) | 2009-08-26 |
| CN1675383A (zh) | 2005-09-28 |
| AT411530B (de) | 2004-02-25 |
| WO2004018714A1 (de) | 2004-03-04 |
| AU2003257462A1 (en) | 2004-03-11 |
| RU2319750C2 (ru) | 2008-03-20 |
| EP1764421A2 (de) | 2007-03-21 |
| RU2005107698A (ru) | 2005-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200624563A (en) | Production of rust-free steel of ferritic steel group AISI 4xx in an aod converter | |
| ATE363546T1 (de) | Verfahren und vorrichtung zur entkohlung einer stahlschmelze | |
| BG105612A (en) | Method of denitriding molten steel during its production | |
| TR200103025T2 (tr) | Ergimiç metallerin karbonunu ve fosforunu giderme yntemi | |
| JPH11279624A (ja) | 高窒素ステンレス鋼の溶製方法 | |
| ATE262044T1 (de) | Verfahren und vorrichtung zur stahlerzeugung in einem ofengefäss | |
| Yamaguchi et al. | Development of hydrogen gas injection method for promoting decarburization of ultra-low carbon steel in RH degasser | |
| Bannenberg et al. | Operating Results of Vacuum Decarburization in Ladle Stand Degassing | |
| AU536836B2 (en) | Process for metal bath refining | |
| Yamaguchi et al. | Development of Hydrogen Gas Injection Method for Promoting Decarburization of Ultra-low Carbon Steel in RH Degasser | |
| Chakraborty et al. | Correlation of steel cleanliness with operating parameters through total oxygen studies | |
| Li et al. | Feature of steelmaking process of steel for pipe line | |
| Yu | Practice of denitrification process in 100 t vacuum ladle furnace | |
| SU443907A1 (ru) | Способ обезуглероживани высоколегированной стали | |
| Bergmann et al. | Melting and Casting of HIC Resistant Steel at the AG der Dillenger Huttenwerke | |
| Svyazin et al. | Secondary oxidation of low carbon steel during its out-of-furnace treatment | |
| Furtado et al. | Development of the new CST mathematical model to predict the ferroalloy additions during converter tapping | |
| Mustata et al. | The features of physico-chemical processes during the combined oxygen blow steelmaking | |
| Kumar et al. | Effect of Slag Composition and Vacuum on the Deoxidation Behavior of High Carbon Steel | |
| UA15785C2 (uk) | Спосіб виробhицтва сталі | |
| Fedotov et al. | Development of a Procedure for Investigating Decarburizing Annealing Schedules in Tower Drawing Furnaces | |
| Shieh et al. | Silicon Contained Ferroalloy Addition as a Weak Pre-Deoxidation Process in Steelmaking | |
| UA6857C2 (uk) | Спосіб виплавки киплячої сталі | |
| Gudim | Causes of metal contamination by complex oxide calcium-containing inclusions(COCI) and methods of pure steel production | |
| Okhotskij | Analysis of reaction process in ladle in case of steelmaking in basic oxygen converter |