FR2632971B1 - Procede de traitement des aciers liquides par injection de gaz a travers le fond de poche - Google Patents
Procede de traitement des aciers liquides par injection de gaz a travers le fond de pocheInfo
- Publication number
- FR2632971B1 FR2632971B1 FR8808479A FR8808479A FR2632971B1 FR 2632971 B1 FR2632971 B1 FR 2632971B1 FR 8808479 A FR8808479 A FR 8808479A FR 8808479 A FR8808479 A FR 8808479A FR 2632971 B1 FR2632971 B1 FR 2632971B1
- Authority
- FR
- France
- Prior art keywords
- ladle
- liquid steel
- gas injection
- treating liquid
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808479A FR2632971B1 (fr) | 1988-06-17 | 1988-06-17 | Procede de traitement des aciers liquides par injection de gaz a travers le fond de poche |
ES198989420220T ES2034727T3 (es) | 1988-06-17 | 1989-06-15 | Procedimiento de tratamiento de aceros liquidos por inyeccion de gas a traves del fondo de la cuchara. |
JP1153544A JPH0285315A (ja) | 1988-06-17 | 1989-06-15 | 取鍋底部からのガス噴射による溶鋼処理法 |
EP89420220A EP0347351B1 (fr) | 1988-06-17 | 1989-06-15 | Procédé de traitement des aciers liquides par injection de gaz à travers le fond de poche |
DE8989420220T DE68902283T2 (de) | 1988-06-17 | 1989-06-15 | Verfahren zur behandlung von fluessigen staehlen durch einblasen von gas durch den pfannenboden. |
AT89420220T ATE78876T1 (de) | 1988-06-17 | 1989-06-15 | Verfahren zur behandlung von fluessigen staehlen durch einblasen von gas durch den pfannenboden. |
US07/366,501 US4957542A (en) | 1988-06-17 | 1989-06-15 | Process for treating liquid steels by injecting gas through the ladle bottom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8808479A FR2632971B1 (fr) | 1988-06-17 | 1988-06-17 | Procede de traitement des aciers liquides par injection de gaz a travers le fond de poche |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2632971A1 FR2632971A1 (fr) | 1989-12-22 |
FR2632971B1 true FR2632971B1 (fr) | 1993-09-03 |
Family
ID=9367654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8808479A Expired - Fee Related FR2632971B1 (fr) | 1988-06-17 | 1988-06-17 | Procede de traitement des aciers liquides par injection de gaz a travers le fond de poche |
Country Status (7)
Country | Link |
---|---|
US (1) | US4957542A (fr) |
EP (1) | EP0347351B1 (fr) |
JP (1) | JPH0285315A (fr) |
AT (1) | ATE78876T1 (fr) |
DE (1) | DE68902283T2 (fr) |
ES (1) | ES2034727T3 (fr) |
FR (1) | FR2632971B1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT398632B (de) * | 1991-07-08 | 1995-01-25 | Veitsch Radex Ag | Metallurgisches gefäss |
DE19604413C1 (de) * | 1996-02-07 | 1997-05-28 | Veitsch Radex Ag | Gasspüleinrichtung für metallurgische Gefäße |
JP5453751B2 (ja) * | 2008-09-19 | 2014-03-26 | Jfeスチール株式会社 | 溶鋼精錬用取鍋及び溶鋼の精錬方法 |
JP6822304B2 (ja) * | 2017-04-28 | 2021-01-27 | 日本製鉄株式会社 | 溶鋼の取鍋精錬方法 |
JP7118599B2 (ja) * | 2017-04-28 | 2022-08-16 | 日本製鉄株式会社 | 溶鋼の取鍋精錬方法 |
US11475180B2 (en) * | 2018-03-09 | 2022-10-18 | Tata Consultancy Services Limited | System and method for determination of air entrapment in ladles |
CN110523966A (zh) * | 2019-09-25 | 2019-12-03 | 张家港广大特材股份有限公司 | 一种钢包双透气芯 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU34995A1 (fr) * | ||||
US2826494A (en) * | 1955-12-27 | 1958-03-11 | Ohio Commw Eng Co | Process for making alloys |
BE735159A (fr) * | 1969-06-25 | 1969-12-29 | ||
FR2223467A1 (en) * | 1973-03-29 | 1974-10-25 | Beatrice Foods Co | Molten metal bath stirring appts - using gas introduced at the bottom of the vessel |
FR2473064A1 (fr) * | 1980-01-02 | 1981-07-10 | Siderurgie Fse Inst Rech | Procede de brassage pneumatique d'un bain de metal en fusion |
LU82069A1 (fr) * | 1980-01-09 | 1981-09-10 | Arbed | Procede d'affinage d'un bain de metal |
DE3426736A1 (de) * | 1984-07-20 | 1986-01-30 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur spuelgasbehandlung von metallschmelzen |
EP0188891B1 (fr) * | 1984-12-28 | 1989-05-31 | United Engineering Steels Limited | Procédé de traitement des métaux liquides |
-
1988
- 1988-06-17 FR FR8808479A patent/FR2632971B1/fr not_active Expired - Fee Related
-
1989
- 1989-06-15 US US07/366,501 patent/US4957542A/en not_active Expired - Fee Related
- 1989-06-15 ES ES198989420220T patent/ES2034727T3/es not_active Expired - Lifetime
- 1989-06-15 JP JP1153544A patent/JPH0285315A/ja active Granted
- 1989-06-15 DE DE8989420220T patent/DE68902283T2/de not_active Expired - Fee Related
- 1989-06-15 EP EP89420220A patent/EP0347351B1/fr not_active Expired - Lifetime
- 1989-06-15 AT AT89420220T patent/ATE78876T1/de active
Also Published As
Publication number | Publication date |
---|---|
DE68902283T2 (de) | 1993-03-11 |
EP0347351A1 (fr) | 1989-12-20 |
ATE78876T1 (de) | 1992-08-15 |
DE68902283D1 (de) | 1992-09-03 |
JPH0285315A (ja) | 1990-03-26 |
US4957542A (en) | 1990-09-18 |
ES2034727T3 (es) | 1993-04-01 |
FR2632971A1 (fr) | 1989-12-22 |
EP0347351B1 (fr) | 1992-07-29 |
JPH0420965B2 (fr) | 1992-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
ST | Notification of lapse |