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NO20015183D0 - Forbedret fremgangsmåte og anordning for avgassing og separering av innleiringer i et flytende metallbad vedinnspröytning av gassbobler - Google Patents

Forbedret fremgangsmåte og anordning for avgassing og separering av innleiringer i et flytende metallbad vedinnspröytning av gassbobler

Info

Publication number
NO20015183D0
NO20015183D0 NO20015183A NO20015183A NO20015183D0 NO 20015183 D0 NO20015183 D0 NO 20015183D0 NO 20015183 A NO20015183 A NO 20015183A NO 20015183 A NO20015183 A NO 20015183A NO 20015183 D0 NO20015183 D0 NO 20015183D0
Authority
NO
Norway
Prior art keywords
embeds
degassing
separating
injection
liquid metal
Prior art date
Application number
NO20015183A
Other languages
English (en)
Other versions
NO20015183L (no
Inventor
Pierre Le Brun
Herve Lescuyer
Marc Bertherat
Michel Allibert
Original Assignee
Pechiney Aluminium
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of NO20015183L publication Critical patent/NO20015183L/no
Publication of NO20015183D0 publication Critical patent/NO20015183D0/no

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
    • 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)
NO20015183A 1999-04-27 2001-10-23 Forbedret fremgangsmåte og anordning for avgassing og separering av innleiringer i et flytende metallbad vedinnspröytning av gassbobler NO20015183D0 (no)

Applications Claiming Priority (2)

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
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

Publications (2)

Publication Number Publication Date
NO20015183L NO20015183L (no) 2001-10-23
NO20015183D0 true NO20015183D0 (no) 2001-10-23

Family

ID=9545060

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20015183A NO20015183D0 (no) 1999-04-27 2001-10-23 Forbedret fremgangsmåte og anordning for avgassing og separering av innleiringer i et flytende metallbad vedinnspröytning av gassbobler

Country Status (7)

Country Link
EP (1) EP1192289A1 (no)
JP (1) JP2002543277A (no)
AU (1) AU765961B2 (no)
CA (1) CA2372065A1 (no)
FR (1) FR2792948B1 (no)
NO (1) NO20015183D0 (no)
WO (1) WO2000065109A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
US8276645B2 (en) 2008-03-17 2012-10-02 Southwire Company Porosity detection
WO2012054478A1 (en) * 2010-10-18 2012-04-26 Aloca Inc. Wettable injectors for degassing of molten metal
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR71466B (no) * 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

Also Published As

Publication number Publication date
NO20015183L (no) 2001-10-23
FR2792948B1 (fr) 2001-06-08
CA2372065A1 (fr) 2000-11-02
AU4305400A (en) 2000-11-10
FR2792948A1 (fr) 2000-11-03
JP2002543277A (ja) 2002-12-17
EP1192289A1 (fr) 2002-04-03
WO2000065109A1 (fr) 2000-11-02
AU765961B2 (en) 2003-10-09

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application