DRYING DEVICE FOR POWDER MATERIALS Russian patent published in 2006 - IPC F26B15/06 F26B17/10 

FIELD: drying equipment, particularly to dry grain.

SUBSTANCE: drying device comprises drying chamber with decks arranged one over another in several layers and provided with powder distribution orifices. Powder passes through the orifices to lower deck. Drying device also has central shaft with agitators fastened to it and installed over deck bottom. The agitators are provided with blades. Drying device comprises heat supply system. Powder distribution orifices are alternately located at deck periphery and at deck center. Agitator blades may move powder along annular tracks having equal areas from central deck parts to peripheries thereof and in reverse order to lower deck.

EFFECT: increased productivity, efficiency and operational reliability, as well as simplified structure.

8 cl, 13 dwg