FIELD: heating.
SUBSTANCE: heat exchange device for powder and granular material in compliance with this invention is configured so that at least one of multiple heat exchangers, which shall be located on a shaft, is made as a strong hollow disc-shaped heat exchanger, in which a cut-out cavity is directed from circumferential boundary of the heat exchanger to its centre. Plate-like surfaces spreading from one side edge of the cut-out cavity to the other side edge of the next cut-out cavity are formed into a wedge-shaped plate-like surface. A projection that smoothly projects in a horizontal direction if to look from side is made in the central heat exchanger part; and an opening is made at the projection top, and the heat exchanger is located on the shaft by means of shaft insertion into the opening.
EFFECT: improving operating efficiency of a device and simplifying an assembly process.
6 cl, 15 dwg
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