Device for fluidized-bed jet milling

Details Device for fluidized-bed jet milling Device for fluidized-bed jet milling

1996-03-21

1998-03-31

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 5, B02C 1906

Patent

active

057328935

ABSTRACT:
The present invention pertains to a fluidized-bed jet mill intended to overcome the problem whereby a fluid jet introduced into the fluidized bed at high velocity takes up solid particles from the fluidized bed mainly in the area of the jet near the circumference. To have solid particles in the core area of the fluid jet as well auxiliary jets with fluidized solid particles are caused to penetrate into the fluid jet to be introduced into the fluidized bed such that the solid particles reach the core area of the fluid jet to enrich the core area with solid particles and allow an area near the circumference to receive solid particles from the fluidized bed.

REFERENCES:
patent: 238044 (1881-02-01), Luckenbach et al.
patent: 1935344 (1933-11-01), Andrews et al.
patent: 2821346 (1958-01-01), Fisher
patent: 3424386 (1969-01-01), Maasberg et al.
patent: 5542613 (1996-08-01), Nito

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