DRYER FOR DISPERSIVE MATERIALS Russian patent published in 1996 - IPC

FIELD: drying materials. SUBSTANCE: at least three cylindrical inserts 6 are coaxially mounted under gas dispensing grid 3 inside drying chamber 1. The cross-section area between the inserts from the center of the drying chamber is less by 1.2 times than the previous one. The height of the cylindrical inserts increases from the center to the periphery inversely proportional to the area of the cross-section between the inserts. EFFECT: improved design. 1 dwg