B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
34/46
B02C 21/00 (2006.01) B02C 19/00 (2006.01) B02C 19/06 (2006.01)
Patent
CA 1036349
ABSTRACT OF THE DISCLOSURE A fluid energy mill of the confined vortex type is designed to permit the simultaneous drying and grind- ing of slurries of pulverulent solids, e.g., pigment slurries. The slurry is directed into a passageway leading to the grinding chamber in such a way as to be enveloped and atomized by a flow of gaseous drying fluid, e.g., high pressure steam, of at least sonic velocity. The solids become at least partially dried before enter- ing the grinding chamber but with little or no tendency to adhere to the walls of the passageway leading thereto.
205844
Coombe Anthony J.
Danisavich Edward A.
Gniewek Thomas T. (jr.)
Muhlmichl Philip J.
Stuber Robert E.
E.i. Du Pont de Nemours And Company
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