DE642330C - Process for the production of chunky magnesium metal - Google Patents

Process for the production of chunky magnesium metal

Info

Publication number
DE642330C
DE642330C DEO19158D DEO0019158D DE642330C DE 642330 C DE642330 C DE 642330C DE O19158 D DEO19158 D DE O19158D DE O0019158 D DEO0019158 D DE O0019158D DE 642330 C DE642330 C DE 642330C
Authority
DE
Germany
Prior art keywords
magnesium
production
chunky
magnesium metal
dust
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
Application number
DEO19158D
Other languages
German (de)
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.)
Osterreichisch Amerikanische Magnesit AG
Original Assignee
Osterreichisch Amerikanische Magnesit AG
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 Osterreichisch Amerikanische Magnesit AG filed Critical Osterreichisch Amerikanische Magnesit AG
Application granted granted Critical
Publication of DE642330C publication Critical patent/DE642330C/en
Expired 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
    • C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/20—Obtaining alkaline earth metals or magnesium
    • C22B26/22—Obtaining magnesium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

Verfahren zur Herstellung von stückförmigem Magnesiummetall Den Gegenstand des Hauptpatents bildet ein Verfahren zur Herstellung von stückförmigem Magnesiummetall aus Magnesiumstaub, der durch elektrothermische Reduktion von Magnesiumverbindungen erhalten wurde. Nach diesem Verfahren wird der Magnesiumstaub in einer indifferenten Gasatmosphäre über seinen Schmelzpunkt unter vermindertem Druck, vorzugsweise in hohem Vakuum, erhitzt und dadurch zum. Zusammenfließen gebracht.Method of making lump magnesium metal The article of the main patent forms a process for the production of lump-shaped magnesium metal from magnesium dust, which is produced by the electrothermal reduction of magnesium compounds was obtained. After this process, the magnesium dust is in an indifferent Gas atmosphere above its melting point under reduced pressure, preferably in high vacuum, heated and thereby to the. Brought together.

Es wurde schon in der Beschreibung des Hauptpatents als wahrscheinlich bezeichnet, dä.ß auch beim Erhitzen ohne eigentliche Vakuumdestillation die Oxydhaut von den Metallkörnchen durch örtliche Destillationsvorgänge entfernt wird, so daß die freigelegten Tröpfchen zusammenfließen können. In weiterer Ausbildung dieses Verfahrens hat sich nun gezeigt, daß das gleiche Ergebnis ohne Anwendung von vermindertem Druck erzielt werden kann, wenn die Erhitzungstemperatur entsprechend dem herrschenden Druck gesteigert wird, d. h. der Magnesiumstaub in einer indifferenten Gasatmosphäre auf eine Temperatur erhitzt wird, die in der Nähe des Siedepunktes des metallischen Magnesiums liegt. Offenbar werden auch hierdurch die erwähnten örtlichen Destillationsvorgänge eingeleitet. Ausführungsbeispiel: xoo kg eines bei der elektrothermischen Reduktion von Magnesiumverbindungen erhaltenen Magnesiumstaubes werden in einem Kessel aus hitzebeständigem Stahl auf 11oo bis 1150' C erhitzt, nachdem vorher die Luft durch Wasserstoff ersetzt wurde. Nach dem Abkühlen ist die Masse stark zusammengefallen und mit regulinischen Metallkörnern bis zu Zoo mm Durchmesser durchsetzt. Das regulinische Metall wird in einer Siebtrommel vom Kohlenstaub und vom Magnesiumoxydstaub getrennt und in bekannter Weise umgeschmolzen. Es werden go bis 9511/o des Metallgehaltes des angewendeten Staubes gewonnen.It was already considered likely in the description of the main patent denotes, that the oxide skin even when heated without actual vacuum distillation is removed from the metal granules by local distillation operations so that the exposed droplets can flow together. In further training this Method has now been shown that the same result without the use of reduced Pressure can be achieved if the heating temperature corresponds to the prevailing Pressure is increased, d. H. the magnesium dust in an inert gas atmosphere is heated to a temperature close to the boiling point of the metallic Magnesium lies. This also reveals the local distillation processes mentioned initiated. Embodiment: xoo kg of one in the electrothermal reduction Magnesium dust obtained from magnesium compounds are made in a boiler Heat-resistant steel heated to 1100 to 1150 'C after having previously let the air through Hydrogen was replaced. After cooling, the mass collapsed significantly and interspersed with regular metal grains up to zoo mm in diameter. The regulin Metal is separated from coal dust and magnesium oxide dust in a sieve drum and remelted in a known manner. It will go up to 9511 / o of the metal content of the applied dust.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung von stückförmigem Magnesiummetall nach Patent 635 387, dadurch gekennzeichnet, daß der Magnesiumstaub in einer indifferenten Gasatmosphäre ohne Anwendung von vermindertem Druck auf eine Temperatur erhitzt wird, die in der Nähe des Siedepunktes des metallischen Magnesiums liegt. PATENT CLAIM Process for the production of piece-shaped magnesium metal according to patent 635 387, characterized in that the magnesium dust is heated in an inert gas atmosphere without the use of reduced pressure to a temperature which is close to the boiling point of metallic magnesium.
DEO19158D 1930-08-04 1931-06-16 Process for the production of chunky magnesium metal Expired DE642330C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT635387X 1930-08-04
AT642330X 1931-06-08

Publications (1)

Publication Number Publication Date
DE642330C true DE642330C (en) 1937-03-01

Family

ID=3678032

Family Applications (1)

Application Number Title Priority Date Filing Date
DEO19158D Expired DE642330C (en) 1930-08-04 1931-06-16 Process for the production of chunky magnesium metal

Country Status (1)

Country Link
DE (1) DE642330C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747354C (en) * 1939-12-06 1944-09-20 Mansfeld A G Fuer Bergbau Und Process for the recovery of copper and copper alloys from clad layers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747354C (en) * 1939-12-06 1944-09-20 Mansfeld A G Fuer Bergbau Und Process for the recovery of copper and copper alloys from clad layers

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