FR2792948B1 - Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz - Google Patents
Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gazInfo
- Publication number
- FR2792948B1 FR2792948B1 FR9905484A FR9905484A FR2792948B1 FR 2792948 B1 FR2792948 B1 FR 2792948B1 FR 9905484 A FR9905484 A FR 9905484A FR 9905484 A FR9905484 A FR 9905484A FR 2792948 B1 FR2792948 B1 FR 2792948B1
- Authority
- FR
- France
- Prior art keywords
- degassing
- liquid metal
- improved method
- gas bubbles
- metal bath
- 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
- 238000007872 degassing Methods 0.000 title 1
- 229910001338 liquidmetal Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
-
- 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
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/066—Treatment of circulating aluminium, e.g. by filtration
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9905484A FR2792948B1 (fr) | 1999-04-27 | 1999-04-27 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
CA002372065A CA2372065A1 (fr) | 1999-04-27 | 2000-04-26 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
EP00922761A EP1192289A1 (fr) | 1999-04-27 | 2000-04-26 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
PCT/FR2000/001112 WO2000065109A1 (fr) | 1999-04-27 | 2000-04-26 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
JP2000613842A JP2002543277A (ja) | 1999-04-27 | 2000-04-26 | 気泡注入による溶融金属槽のガス抜きと包有物分離のための改善された方法と装置 |
AU43054/00A AU765961B2 (en) | 1999-04-27 | 2000-04-26 | Improved method and device for degasing and separation of inclusions in a liquidmetal bath by injection of gas bubbles |
NO20015183A NO20015183L (no) | 1999-04-27 | 2001-10-23 | Forbedret fremgangsmåte og anordning for avgassing og separering av innleiringer i et flytende metallbad vedinnspröytning av gassbobler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9905484A FR2792948B1 (fr) | 1999-04-27 | 1999-04-27 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2792948A1 FR2792948A1 (fr) | 2000-11-03 |
FR2792948B1 true FR2792948B1 (fr) | 2001-06-08 |
Family
ID=9545060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9905484A Expired - Fee Related FR2792948B1 (fr) | 1999-04-27 | 1999-04-27 | Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1192289A1 (fr) |
JP (1) | JP2002543277A (fr) |
AU (1) | AU765961B2 (fr) |
CA (1) | CA2372065A1 (fr) |
FR (1) | FR2792948B1 (fr) |
NO (1) | NO20015183L (fr) |
WO (1) | WO2000065109A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ302631B6 (cs) * | 2001-06-15 | 2011-08-10 | Hütte Klein-Reichenbach Gesellschaft M. B. H. | Zarízení a zpusob k výrobe kovové peny |
WO2009117380A1 (fr) | 2008-03-17 | 2009-09-24 | Rundquist Victor F | Détection de porosité |
WO2012054478A1 (fr) * | 2010-10-18 | 2012-04-26 | Aloca Inc. | Injecteurs mouillables pour dégazage de métal fondu |
FR2971793B1 (fr) | 2011-02-18 | 2017-12-22 | Alcan Rhenalu | Demi-produit en alliage d'aluminium a microporosite amelioree et procede de fabrication |
CN111308574B (zh) * | 2020-02-12 | 2022-08-12 | 首钢集团有限公司 | 一种炼钢连铸过程中耐材堵塞的检测装置和方法 |
KR102462993B1 (ko) * | 2021-09-23 | 2022-11-03 | 한국지질자원연구원 | 입자 선별 능력이 향상된 부유선별 장치 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GR71466B (fr) * | 1978-03-06 | 1983-05-30 | Alcan Res & Dev | |
AU544858B2 (en) * | 1981-06-03 | 1985-06-13 | Nippon Kokan Kabushiki Kaisha | Gas blowing nozzle |
US5660614A (en) * | 1994-02-04 | 1997-08-26 | Alcan International Limited | Gas treatment of molten metals |
-
1999
- 1999-04-27 FR FR9905484A patent/FR2792948B1/fr not_active Expired - Fee Related
-
2000
- 2000-04-26 WO PCT/FR2000/001112 patent/WO2000065109A1/fr not_active Application Discontinuation
- 2000-04-26 EP EP00922761A patent/EP1192289A1/fr not_active Ceased
- 2000-04-26 JP JP2000613842A patent/JP2002543277A/ja active Pending
- 2000-04-26 AU AU43054/00A patent/AU765961B2/en not_active Ceased
- 2000-04-26 CA CA002372065A patent/CA2372065A1/fr not_active Abandoned
-
2001
- 2001-10-23 NO NO20015183A patent/NO20015183L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU4305400A (en) | 2000-11-10 |
AU765961B2 (en) | 2003-10-09 |
WO2000065109A1 (fr) | 2000-11-02 |
FR2792948A1 (fr) | 2000-11-03 |
EP1192289A1 (fr) | 2002-04-03 |
JP2002543277A (ja) | 2002-12-17 |
NO20015183D0 (no) | 2001-10-23 |
NO20015183L (no) | 2001-10-23 |
CA2372065A1 (fr) | 2000-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20051230 |