Apparatus for melting metal particles
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United States of America Patent
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-
May 31, 1988
Issued Date -
N/A
app pub date -
Jun 10, 1987
filing date -
Sep 26, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of melting metal particles includes the steps of swirling molten metal in a vortex within a crucible, adding metal particles onto the surface of the metal, and submerging the metal particles substantially immediately after the particles have been added onto the surface. Apparatus for carrying out the method includes a mixer having a vertically oriented sleeve secured to the bottom of the crucible, the sleeve supporting a plurality of blades on its outer surface and having a plurality of openings adjacent its bottom. The blades force the metal particles beneath the surface of the metal and create turbulence which ensures rapid melting of the particles. The blades as well as the openings adjacent the bottom of the sleeve break up any agglomerated metal particles. Discharge piping is connected to the bottom of the crucible. A vortex breaker is disposed in the piping to control the vortex in the crucible.
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