Method for production of spheroidized particles
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United States of America Patent
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Sep 24, 1996
Grant Date -
N/A
app pub date -
Aug 16, 1995
filing date -
Aug 16, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for spheroidizing particles which have a relatively high softening temperature and/or a relatively large average diameter, including ceramic material having a diameter in excess of 0.45 mm. The method includes preheating raw material in a preheater to a temperature below an agglomeration temperature of the material, passing the preheated material in a plurality of streams through a first flame envelope, and cooling the spheroidized particles.
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