Feeding device for a jet mill

Details Feeding device for a jet mill Feeding device for a jet mill

1981-11-23

1983-12-27

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 5, B02C 1906

Patent

active

044225792

ABSTRACT:
A device for preliminary crushing of a possibly clogged material to be ground and for feeding of the material into a jet mill containing a compressed flow of circulating grinding gas and material, so as to produce ultra-fineground admixtures to be used in industry which includes a plunger and screw conveyor. The device comprises a substantially vertical plug pipe, which is at its upper end provided with a feeder funnel and which is at its bottom end, either directly or via an additional pipe, connected to the jet mill above the zone of a grinding gas nozzle. At the upper end of the plug pipe preferably in its feeder funnel, at least one plunger is provided which moves back and forth and which both crushes any clogged material and forces the crushed material as a tight plug through the pipe into the jet mill. The additional pipe carries the screw for conveying the material to the mill.

REFERENCES:
patent: 2596088 (1952-05-01), Trost et al.
patent: 3215355 (1965-11-01), Shouvlin et al.

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