CA2087179A1 - Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en oeuvre du procede - Google Patents
Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en oeuvre du procedeInfo
- Publication number
- CA2087179A1 CA2087179A1 CA002087179A CA2087179A CA2087179A1 CA 2087179 A1 CA2087179 A1 CA 2087179A1 CA 002087179 A CA002087179 A CA 002087179A CA 2087179 A CA2087179 A CA 2087179A CA 2087179 A1 CA2087179 A1 CA 2087179A1
- Authority
- CA
- Canada
- Prior art keywords
- vacuum chamber
- steel
- implementing
- treated
- intermediate ring
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 4
- 239000010959 steel Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 238000009489 vacuum treatment Methods 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Classifications
-
- 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
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/008—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag using fluids or gases, e.g. blowers, suction units
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Details (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Control Of Heat Treatment Processes (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
2087179 9220986 PCTABS00160 Procédé de décarburation d'acier dans une enceinte de traitement sous vide constituée d'une partie supérieure (4) en forme de cloche, d'un anneau intermédiaire (5) et d'une partie inférieure (6) dans laquelle se trouve le bain de métal à traiter (2) et qui est munie de deux plongeurs (7, 8) qui plongent dans la poche à acier (9) contenant la totalité du métal à traiter (10), caractérisé en ce qu'on souffle de l'oxygène horizontalement au-dessus du bain de métal à traiter (2), au niveau de l'anneau intermédiaire (5) sensiblement en son milieu. Enceinte de traitement d'acier sous vide dans laquelle au moins deux tuyères horizontales (11, 12) sont ménagées dans l'anneau intermédiaire (5) de ladite enceinte, sensiblement en son milieu.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR91/05753 | 1991-05-13 | ||
| FR919105753A FR2676458B1 (fr) | 1991-05-13 | 1991-05-13 | Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en óoeuvre du procede. |
| PCT/FR1992/000416 WO1992020986A1 (fr) | 1991-05-13 | 1992-05-07 | Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en ×uvre du procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2087179A1 true CA2087179A1 (fr) | 1992-11-14 |
| CA2087179C CA2087179C (fr) | 2002-07-02 |
Family
ID=9412712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002087179A Expired - Fee Related CA2087179C (fr) | 1991-05-13 | 1992-05-07 | Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en oeuvre du procede |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5332417A (fr) |
| EP (1) | EP0514246B1 (fr) |
| KR (1) | KR100232912B1 (fr) |
| AT (1) | ATE125933T1 (fr) |
| CA (1) | CA2087179C (fr) |
| DE (1) | DE69203788T2 (fr) |
| ES (1) | ES2076705T3 (fr) |
| FR (1) | FR2676458B1 (fr) |
| TW (1) | TW202482B (fr) |
| WO (1) | WO1992020986A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5603749A (en) * | 1995-03-07 | 1997-02-18 | Bethlehem Steel Corporation | Apparatus and method for vacuum treating molten steel |
| CN111518992B (zh) * | 2020-05-08 | 2022-02-08 | 赵元庆 | 一种罐式单嘴精炼炉及真空精炼方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104057A (en) * | 1972-06-10 | 1978-08-01 | Hermann Maas | Method for making low carbon high chromium alloyed steels |
| US4071356A (en) * | 1976-11-24 | 1978-01-31 | Nippon Steel Corporation | Method for refining a molten steel in vacuum |
| US4105057A (en) * | 1977-09-23 | 1978-08-08 | Amity Leather Products Company | Flexible receptacle with credit card holder |
| FR2542014B1 (fr) * | 1983-03-02 | 1985-06-21 | Solmer | Dispositif pour le decrassage des becs de convertisseur d'acierie |
| EP0328851A1 (fr) * | 1988-02-16 | 1989-08-23 | Acciaierie E Ferriere Lombarde Falck S.P.A. | Appareillage pour la décarburation des aciers directement dans une poche |
| JPH01283316A (ja) * | 1988-05-11 | 1989-11-14 | Nkk Corp | 脱ガス槽の保守方法 |
-
1991
- 1991-05-13 FR FR919105753A patent/FR2676458B1/fr not_active Expired - Fee Related
-
1992
- 1992-05-07 ES ES92401278T patent/ES2076705T3/es not_active Expired - Lifetime
- 1992-05-07 KR KR1019930700079A patent/KR100232912B1/ko not_active IP Right Cessation
- 1992-05-07 EP EP92401278A patent/EP0514246B1/fr not_active Expired - Lifetime
- 1992-05-07 AT AT92401278T patent/ATE125933T1/de not_active IP Right Cessation
- 1992-05-07 WO PCT/FR1992/000416 patent/WO1992020986A1/fr active Application Filing
- 1992-05-07 DE DE69203788T patent/DE69203788T2/de not_active Expired - Fee Related
- 1992-05-07 CA CA002087179A patent/CA2087179C/fr not_active Expired - Fee Related
- 1992-05-07 US US07/966,060 patent/US5332417A/en not_active Expired - Fee Related
- 1992-05-09 TW TW081103610A patent/TW202482B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992020986A1 (fr) | 1992-11-26 |
| US5332417A (en) | 1994-07-26 |
| CA2087179C (fr) | 2002-07-02 |
| EP0514246A1 (fr) | 1992-11-19 |
| EP0514246B1 (fr) | 1995-08-02 |
| ATE125933T1 (de) | 1995-08-15 |
| ES2076705T3 (es) | 1995-11-01 |
| KR930701721A (ko) | 1993-06-12 |
| FR2676458A1 (fr) | 1992-11-20 |
| DE69203788T2 (de) | 1996-01-11 |
| TW202482B (fr) | 1993-03-21 |
| KR100232912B1 (ko) | 1999-12-01 |
| FR2676458B1 (fr) | 1994-03-04 |
| DE69203788D1 (de) | 1995-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3272619A (en) | Apparatus and process for adding solids to a liquid | |
| CA2087179A1 (fr) | Procede de decarburation d'acier dans une enceinte de traitement sous vide et enceinte de traitement sous vide pour la mise en oeuvre du procede | |
| JPH0754034A (ja) | 極低炭素鋼の溶製方法 | |
| Bauvois | Process for decarburizing steel in an enclosed vacuum chamber and an enclosed vacuum chamber for this process | |
| JP2773883B2 (ja) | 真空脱ガス処理による極低炭素鋼の溶製方法 | |
| SU380136A1 (ru) | Способ электрошлакового переплава | |
| CA2404633A1 (fr) | Traitement sous vide d'un metal fondu avec brassage simultane par injection d'helium | |
| FR2378862A1 (fr) | Procede de fabrication d'aciers allies a teneur en carbone extremement faible | |
| JPH01275715A (ja) | Ｒｈ式脱ガス装置による溶鋼の真空脱ガス処理方法 | |
| SU1135773A1 (ru) | Способ порционного вакуумировани стали | |
| RU2092275C1 (ru) | Способ обработки стали в процессе непрерывной разливки | |
| GB833925A (en) | A process and apparatus for the vacuum treatment of steel or steel alloy | |
| SU1650717A1 (ru) | Устройство дл вакуумировани металла с одновременной обработкой в столбе шлака | |
| RU93038245A (ru) | Способ обработки металла в процессе непрерывной разливки | |
| RU93038362A (ru) | Способ обработки металла в процессе непрерывной разливки | |
| JPH03100116A (ja) | 溶融金属の真空脱ガス装置 | |
| KR920006578B1 (ko) | 용융금속을 정선하기 위한 방법 | |
| ES2008814A6 (es) | Procedimiento y dispositivo para el tratamiento oxidante de acero. | |
| RU2089620C1 (ru) | Устройство для продувки металла в ковше нейтральным газом | |
| RU2026367C1 (ru) | Способ ввода инертного газа в струю металла через пористую огнеупорную вставку при вакуумировании | |
| JPH02200720A (ja) | 溶融金属の真空脱ガス法 | |
| SU431242A1 (ru) | Способ рафинирования жидкого металла | |
| Gurov et al. | The Kinetics of Dephosphorisation of High Quality Steel | |
| JPH02267213A (ja) | 溶鋼の真空脱炭方法 | |
| RU93021135A (ru) | Способ обработки металла в процессе непрерывной разливки |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |