Method for production of spheroidized particles

Details Method for production of spheroidized particles Method for production of spheroidized particles

1995-08-16

1996-09-24

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Spheroidizing or rounding of solid particles

B29C 3502

Patent

active

055588220

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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