FIELD: liquid atomisation or spraying devices.
SUBSTANCE: main object of invention is device (20) for powders granulation (P) by means of cryogenic spraying, characterized by that it contains: device (1) for mixing powders (P) by cryogenic fluid medium (FC), comprising at least one mixing chamber (E1-En) for mixing powders (P), containing cryogenic fluid medium (FC); and device (10) for spraying powder suspension (P), mixed by means of powder mixing device (1) (P), to provide granulation of powders (P), comprising means for fractionating powders (P), allowing to control the size of droplets (Go) of powders to be sprayed (P), and means for controlling humidity of mixed powders (P) and/or humidity of the atomisation atmosphere.
EFFECT: device for granulation of powders by means of cryogenic spraying is proposed.
23 cl, 13 dwg
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