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NO20003271L - Injektor for gassbehandling av smeltede metaller - Google Patents

Injektor for gassbehandling av smeltede metaller

Info

Publication number
NO20003271L
NO20003271L NO20003271A NO20003271A NO20003271L NO 20003271 L NO20003271 L NO 20003271L NO 20003271 A NO20003271 A NO 20003271A NO 20003271 A NO20003271 A NO 20003271A NO 20003271 L NO20003271 L NO 20003271L
Authority
NO
Norway
Prior art keywords
rotor
molten metal
cavity
gas
injector
Prior art date
Application number
NO20003271A
Other languages
English (en)
Norwegian (no)
Other versions
NO20003271D0 (no
Inventor
Peter D Waite
Original Assignee
Alcan Int Ltd
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 Alcan Int Ltd filed Critical Alcan Int Ltd
Publication of NO20003271D0 publication Critical patent/NO20003271D0/no
Publication of NO20003271L publication Critical patent/NO20003271L/no

Links

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
    • F27D27/00—Stirring devices for molten material
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23364—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
    • B01F27/811—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow with the inflow from one side only, e.g. stirrers placed on the bottom of the receptacle, or used as a bottom discharge pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/94—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones
    • B01F27/941—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones being hollow, perforated or having special stirring elements thereon
    • 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
    • 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
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F23/23352—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving perpendicular to the axis of rotation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
NO20003271A 1997-12-24 2000-06-22 Injektor for gassbehandling av smeltede metaller NO20003271L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/997,899 US6056803A (en) 1997-12-24 1997-12-24 Injector for gas treatment of molten metals
PCT/CA1998/001152 WO1999034024A1 (fr) 1997-12-24 1998-12-11 Injecteur pour le traitement de metaux fondus par des gaz

Publications (2)

Publication Number Publication Date
NO20003271D0 NO20003271D0 (no) 2000-06-22
NO20003271L true NO20003271L (no) 2000-08-23

Family

ID=25544529

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003271A NO20003271L (no) 1997-12-24 2000-06-22 Injektor for gassbehandling av smeltede metaller

Country Status (10)

Country Link
US (1) US6056803A (fr)
EP (1) EP1042519B1 (fr)
JP (1) JP2002500273A (fr)
AU (1) AU747623B2 (fr)
CA (1) CA2315045C (fr)
DE (2) DE69813022T2 (fr)
ES (1) ES2192800T3 (fr)
NO (1) NO20003271L (fr)
WO (1) WO1999034024A1 (fr)
ZA (1) ZA9811782B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815642B1 (fr) * 2000-10-20 2003-07-11 Pechiney Rhenalu Dispositif rotatif de dispersion de gaz pour le traitement d'un bain de metal liquide
FR2816706B1 (fr) * 2000-11-13 2003-01-10 Cogema Canne de mesure de niveau d'un bain en fusion
AU2002301811B2 (en) * 2001-11-07 2007-08-23 Sumitomo Chemical Company, Limited Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder
GB2396310A (en) 2002-12-21 2004-06-23 Foseco Int Rotary device with vanes for dispersing a gas in a molten metal
JP5318326B2 (ja) * 2006-02-06 2013-10-16 株式会社神戸製鋼所 ガス吹込みノズル装置およびそれを備えたガス吹込み設備
CN102212703B (zh) * 2006-07-13 2013-01-02 派瑞泰克有限公司 用于使气体散布到熔融金属中的推进器
CA2675273C (fr) * 2007-02-23 2016-03-29 Alcoa Inc. Installation et procede pour traitement en ligne de metal en fusion au moyen de reactif de sel solide dans un degazeur a cuve profonde
DK2017560T3 (da) * 2007-07-05 2010-04-12 Foseco Int Roterende røreanordning til behandling af smeltet metal
USD612331S1 (en) 2007-08-30 2010-03-23 Foseco International Limited Rotor
USD612332S1 (en) 2007-08-30 2010-03-23 Foseco International Limited Rotor
USD612804S1 (en) 2007-08-30 2010-03-30 Foseco International Limited Rotor
US9127332B2 (en) * 2008-03-11 2015-09-08 Pyrotek, Inc. Molten aluminum refining and gas dispersion system
JP5702598B2 (ja) * 2010-12-28 2015-04-15 株式会社エディプラス 攪拌用回転体および攪拌装置
CZ2012446A3 (cs) 2012-07-02 2013-08-28 Jap Trading, S. R. O. Rotacní zarízení k rafinaci kovové taveniny
WO2017098446A1 (fr) 2015-12-09 2017-06-15 Tenova South Africa (Pty) Ltd Procédé de commande d'un four à lance immergée par le haut
FR3096987B1 (fr) 2019-06-07 2021-08-27 Constellium Issoire Dispositif pour piéger l’hydrogène
FI130400B (en) * 2019-10-28 2023-08-14 Smidth As F L ROTORS FOR SELF-SUPPLING FLOTATION CELLS
DE102020215085A1 (de) * 2020-05-14 2021-11-18 Sms Group Gmbh Gasinjektionsvorrichtung
CN117980061A (zh) 2021-09-15 2024-05-03 萨尼舒尔股份有限公司 小容量磁力混合系统

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1921377A (en) * 1932-09-17 1933-08-08 Dow Chemical Co Electrolytic apparatus
US2393685A (en) * 1942-12-14 1946-01-29 Mathieson Alkali Works Electrolytic cell
US2743914A (en) * 1950-09-27 1956-05-01 American Instr Co Inc Gas-liquid mixing apparatus
US2629688A (en) * 1950-10-28 1953-02-24 Dow Chemical Co Electrolytic apparatus for production of magnesium
US3227547A (en) * 1961-11-24 1966-01-04 Union Carbide Corp Degassing molten metals
SE307627B (fr) * 1967-02-09 1969-01-13 J Oestberg
US3849119A (en) * 1971-11-04 1974-11-19 Aluminum Co Of America Treatment of molten aluminum with an impeller
US3767382A (en) * 1971-11-04 1973-10-23 Aluminum Co Of America Treatment of molten aluminum with an impeller
FR2160720A1 (fr) * 1971-11-23 1973-07-06 Kocks Gmbh Friedrich
US3743263A (en) * 1971-12-27 1973-07-03 Union Carbide Corp Apparatus for refining molten aluminum
US3870511A (en) * 1971-12-27 1975-03-11 Union Carbide Corp Process for refining molten aluminum
US3839019A (en) * 1972-09-18 1974-10-01 Aluminum Co Of America Purification of aluminum with turbine blade agitation
CH583781A5 (fr) * 1972-12-07 1977-01-14 Feichtinger Heinrich Sen
US3917242A (en) * 1973-05-18 1975-11-04 Southwire Co Apparatus for fluxing and filtering of molten metal
US3871872A (en) * 1973-05-30 1975-03-18 Union Carbide Corp Method for promoting metallurgical reactions in molten metal
US3972709A (en) * 1973-06-04 1976-08-03 Southwire Company Method for dispersing gas into a molten metal
US3968022A (en) * 1974-10-17 1976-07-06 Hooker Chemicals & Plastics Corporation Electrolytic cell seal
US4067731A (en) * 1975-07-18 1978-01-10 Southwire Company Method of treating molten metal
US4058448A (en) * 1976-06-23 1977-11-15 Muzhzhavlev Konstantin Dmitrie Diaphragmless electrolyzer for producing magnesium and chlorine
US4040610A (en) * 1976-08-16 1977-08-09 Union Carbide Corporation Apparatus for refining molten metal
NO142830C (no) * 1978-02-28 1980-10-29 Trondhjems Mek Verksted As Anordning for fordeling av en gass i et vaeskemedium
GR71466B (fr) * 1978-03-06 1983-05-30 Alcan Res & Dev
US4203581A (en) * 1979-03-30 1980-05-20 Union Carbide Corporation Apparatus for refining molten aluminum
IL61062A (en) * 1979-09-27 1985-05-31 Ishizuka Hiroshi Apparatus for electrolytic production of magnesium metal from its chloride
JPS5938815B2 (ja) * 1980-08-05 1984-09-19 昭和アルミニウム株式会社 液中における気泡の微細化放出装置
FR2491954A1 (fr) * 1980-10-14 1982-04-16 Pechiney Aluminium Dispositif de traitement d'un bain de metal liquide par injection de gaz
US4401543A (en) * 1980-12-11 1983-08-30 Hiroshi Ishizuka Electrolytic cell for magnesium chloride
JPS581025A (ja) * 1981-05-27 1983-01-06 Sumitomo Light Metal Ind Ltd 溶融金属の処理装置
FR2512067B1 (fr) * 1981-08-28 1986-02-07 Pechiney Aluminium Dispositif rotatif de dispersion de gaz pour le traitement d'un bain de metal liquide
FR2514370B1 (fr) * 1981-10-14 1989-09-29 Pechiney Aluminium Dispositif pour le traitement, au passage, d'un courant de metal ou alliage liquide a base d'aluminium ou de magnesium
JPS58161788A (ja) * 1982-03-16 1983-09-26 Hiroshi Ishizuka ＭｇＣｌ↓２用電解装置
US4514269A (en) * 1982-08-06 1985-04-30 Alcan International Limited Metal production by electrolysis of a molten electrolyte
NO155447C (no) * 1984-01-25 1987-04-01 Ardal Og Sunndal Verk Anordning ved anlegg for behandling av en vaeske, f.eks. en aluminiumssmelte.
JPS60200923A (ja) * 1984-03-23 1985-10-11 Showa Alum Corp 気泡の微細化分散装置
US4930986A (en) * 1984-07-10 1990-06-05 The Carborundum Company Apparatus for immersing solids into fluids and moving fluids in a linear direction
FR2568267B1 (fr) * 1984-07-27 1987-01-23 Pechiney Aluminium Poche de chloruration d'alliages d'aluminium destinee a eliminer le magnesium
DE3564449D1 (en) * 1984-11-29 1988-09-22 Foseco Int Rotary device, apparatus and method for treating molten metal
EP0224499A1 (fr) * 1985-05-13 1987-06-10 MAYTAIN, Christian Procede de degazage d'une matiere en fusion et dispositif de mise en oeuvre du procede
DE3532956A1 (de) * 1985-09-14 1987-03-19 Metallgesellschaft Ag Verfahren und vorrichtung zur herstellung von lithiummetall hoher reinheit durch schmelzflusselektrolyse
JPS6274030A (ja) * 1985-09-27 1987-04-04 Showa Alum Corp アルミニウム溶湯の処理方法
US4673434A (en) * 1985-11-12 1987-06-16 Foseco International Limited Using a rotary device for treating molten metal
JPS62205235A (ja) * 1986-03-05 1987-09-09 Showa Alum Corp 溶融金属の処理装置
FR2604107B1 (fr) * 1986-09-22 1988-11-10 Pechiney Aluminium Dispositif rotatif de mise en solution d'elements d'alliage et de dispersion de gaz dans un bain d'aluminium
US4714494A (en) * 1986-12-08 1987-12-22 Aluminum Company Of America Trough shear diffusor apparatus for fluxing molten metal and method
GB8804267D0 (en) * 1988-02-24 1988-03-23 Foseco Int Treating molten metal
AU614590B2 (en) * 1988-03-30 1991-09-05 Toho Titanium Co., Ltd. Electrolytic cell for recovery of metal
JPH0233780B2 (ja) * 1988-04-08 1990-07-30 Nippon Pillar Packing Yojukinzokunofujunbutsujokyoyokaitennozuru
CA1305609C (fr) * 1988-06-14 1992-07-28 Peter D. Waite Traitement de metaux legers fondus
US4898367A (en) * 1988-07-22 1990-02-06 The Stemcor Corporation Dispersing gas into molten metal
US4954167A (en) * 1988-07-22 1990-09-04 Cooper Paul V Dispersing gas into molten metal
US5013490A (en) * 1988-10-21 1991-05-07 Showa Aluminum Corporation Device for releasing and diffusing bubbles into liquid
FR2652018B1 (fr) * 1989-09-20 1994-03-25 Pechiney Rhenalu Dispositif de traitement au moyen de gaz d'un bain liquide d'aluminium de grande surface maintenu a l'etat stationnaire dans un four.
FR2669041B1 (fr) * 1990-11-09 1994-02-04 Sfrm Procede pour le traitement d'un metal en fusion et son transfert dans un espace recepteur et systeme pour la mise en óoeuvre de ce procede.
US5143357A (en) * 1990-11-19 1992-09-01 The Carborundum Company Melting metal particles and dispersing gas with vaned impeller
US5198180A (en) * 1991-02-19 1993-03-30 Praxair Technology, Inc. Gas dispersion apparatus with rotor and stator for molten aluminum refining
US5158737A (en) * 1991-04-29 1992-10-27 Altec Engineering, Inc. Apparatus for refining molten aluminum
US5160693A (en) * 1991-09-26 1992-11-03 Eckert Charles E Impeller for treating molten metals
US5527381A (en) * 1994-02-04 1996-06-18 Alcan International Limited Gas treatment of molten metals
US5678807A (en) * 1995-06-13 1997-10-21 Cooper; Paul V. Rotary degasser
DE19703062C1 (de) * 1997-01-28 1998-03-26 Conradty Mechanical & Electric Vorrichtung zur Dispergierung von Gasen in einer Metallschmelze
GB0004688D0 (en) * 2000-02-28 2000-04-19 Radley Smith Philip J Bracelet

Also Published As

Publication number Publication date
ES2192800T3 (es) 2003-10-16
EP1042519B1 (fr) 2003-04-02
ZA9811782B (en) 2000-06-22
JP2002500273A (ja) 2002-01-08
CA2315045C (fr) 2005-02-15
DE69813022D1 (de) 2003-05-08
DE1042519T1 (de) 2001-06-07
DE69813022T2 (de) 2003-10-16
NO20003271D0 (no) 2000-06-22
EP1042519A1 (fr) 2000-10-11
WO1999034024A1 (fr) 1999-07-08
AU747623B2 (en) 2002-05-16
CA2315045A1 (fr) 1999-07-08
US6056803A (en) 2000-05-02
AU1656599A (en) 1999-07-19

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