Method and apparatus for producing atomized metal powder

Details Method and apparatus for producing atomized metal powder Method and apparatus for producing atomized metal powder

B - Operations, Transporting

22

F

18/500.3

B22F 9/08 (2006.01)

Patent

CA 1094272

Abstract of the Disclosure A method of producing metal powder by atomizing molten metals to give powder with extremely low oxygen contents comprises providing a substan- tially closed granulation chamber, providing a reducing liquid in the lower part of said chamber and a reducing gaseous atmosphere above said reducing liquid, melting the metal of which the powder is to be formed, producing a casting stream of the molten metal in the reducing gaseous atmosphere of said substantially closed vessel, subjecting said stream to pressurized atomizing agent to atomize the stream, cooling the metal particles at least partly in said reducing gaseous atmosphere and collecting the resulting powder in the reducing liquid. The metal powder thus obtained advantageously has reduced oxygen content.

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