FIELD: any branch of industry for classification and cooling of macroparticle material, for example, obtained in the process of combustion. SUBSTANCE: macroparticle material is fed to a vertical casing that accommodates distributing gratings from air conduits with holes. The distributing grating of the fluidized section is positioned over the distributing grating of the non-fluidized section. The cooled down solid material is discharged through the distributing gratings from the bottom of the casing. The system is provided with means for measuring the temperature and flow rate for adjusting the flow rate of cooling gas in the fluidized and non-fluidized layers. EFFECT: facilitated procedure. 4 cl, 1 dwg
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