Solid material comminution or disintegration – Processes – By utilizing kinetic energy of projected or suspended material
Patent
1997-05-23
1999-01-05
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
By utilizing kinetic energy of projected or suspended material
241 39, B02C 1906
Patent
active
058553266
ABSTRACT:
The invention describes a process of controlled comminution of a particulate solid material in to a milling having particles of predetermined dimensions, and also a milling whirl chamber having two end faces and a cylindrical side wall with at least one nozzle for injection a working fluid into the chamber, means for introducing the particulate solid material into the chamber, a central axial passage for discharge of the comminuted material in a flow of the working fluid from the chamber, and one or more mechanical elements for control of the comminution process in the chamber. The process includes tangential injection of the working fluid in to the chamber, introducing the particulate solid material for creating in the chamber a vortex where the particulate material undergoes comminution in the flow of the working fluid, and control of uniformity of the milling and dimensions of the particles therein by deliberately accelerating or retarding discharge from the chamber of the particles moving in the vortex close to the inner walls of the chamber by the mechanical elements provided in the chamber and adapted to interact with such particles.
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Rosenbaum Mark
Super Fine Ltd.
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