FR2263308A1 - Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas - Google Patents

Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas

Info

Publication number
FR2263308A1
FR2263308A1 FR7408066A FR7408066A FR2263308A1 FR 2263308 A1 FR2263308 A1 FR 2263308A1 FR 7408066 A FR7408066 A FR 7408066A FR 7408066 A FR7408066 A FR 7408066A FR 2263308 A1 FR2263308 A1 FR 2263308A1
Authority
FR
France
Prior art keywords
melt
gas
fissures
blown
inert gas
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
Application number
FR7408066A
Other languages
English (en)
French (fr)
Other versions
FR2263308B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COMBUSTIBLE NUCLEAIRE
Original Assignee
COMBUSTIBLE NUCLEAIRE
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 COMBUSTIBLE NUCLEAIRE filed Critical COMBUSTIBLE NUCLEAIRE
Priority to FR7408066A priority Critical patent/FR2263308A1/fr
Publication of FR2263308A1 publication Critical patent/FR2263308A1/fr
Application granted granted Critical
Publication of FR2263308B1 publication Critical patent/FR2263308B1/fr
Granted legal-status Critical Current

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
    • 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
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0286—Obtaining thorium, uranium, or other actinides obtaining uranium refining, melting, remelting, working up uranium
    • 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
    • C22B9/04—Refining by applying a vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7408066A 1974-03-08 1974-03-08 Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas Granted FR2263308A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7408066A FR2263308A1 (en) 1974-03-08 1974-03-08 Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408066A FR2263308A1 (en) 1974-03-08 1974-03-08 Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas

Publications (2)

Publication Number Publication Date
FR2263308A1 true FR2263308A1 (en) 1975-10-03
FR2263308B1 FR2263308B1 (enExample) 1978-06-16

Family

ID=9136071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408066A Granted FR2263308A1 (en) 1974-03-08 1974-03-08 Purification of molten uranium to prevent axial fissures - occurring in continuous casting, by washing the melt with inert gas

Country Status (1)

Country Link
FR (1) FR2263308A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006453A1 (de) * 1978-06-22 1980-01-09 Messer Griesheim Gmbh Verfahren zur Erhöhung der Lebensdauer von Gasspüllanzen mit porösen Spülköpfen aus Grafit und Inertisierungskäfig zur Durchführung des Verfahrens
EP0245601A3 (en) * 1986-03-05 1988-08-31 Showa Aluminum Corporation Apparatus for treating molten metal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006453A1 (de) * 1978-06-22 1980-01-09 Messer Griesheim Gmbh Verfahren zur Erhöhung der Lebensdauer von Gasspüllanzen mit porösen Spülköpfen aus Grafit und Inertisierungskäfig zur Durchführung des Verfahrens
EP0245601A3 (en) * 1986-03-05 1988-08-31 Showa Aluminum Corporation Apparatus for treating molten metal

Also Published As

Publication number Publication date
FR2263308B1 (enExample) 1978-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse