Fine particle production apparatus and fine particle production method

To provide an apparatus and a method of producing fine particles capable of increasing evaporation efficiency of a material, increasing the production of fine particles and reducing costs by heating the inputted material by a gas heated by thermal plasma. A fine particle production apparatus include...

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Bibliographische Detailangaben
Hauptverfasser:	Okuma, Takafumi, Koiwasaki, Takeshi, Nagai, Hisao, Suetsugu, Daisuke
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF INORGANIC CHEMISTRY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POWDER METALLURGY THEIR RELEVANT APPARATUS TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	To provide an apparatus and a method of producing fine particles capable of increasing evaporation efficiency of a material, increasing the production of fine particles and reducing costs by heating the inputted material by a gas heated by thermal plasma. A fine particle production apparatus includes a vacuum chamber, a material feeding device connected to the vacuum chamber and feeding material particles from a material feeding port into the vacuum chamber, electrodes arranged in the vacuum chamber for generating plasma and a collection device connected to the vacuum chamber and collecting fine particles, which produces the fine particles from the material by generating electric discharge inside the vacuum chamber, in which the collection device and the material feeding device are connected by piping, and a material heating and circulation device which heats the material by heat of a gas inside the chamber heated by the plasma through the piping is provided.