| 摘要 |
<p>Provided is a heat exchanging apparatus for granular and powdery material wherein a material to be processed is not likely to adhere or deposit easily, and the manufacturing man-hour (time) can be shortened while such advantages as high thermal efficiency and piston flow properties of the apparatus using a conventional wedge-shaped hollow rotating body are retained. At least one heat exchanger (30) out of a large number of heat exchangers arranged in a shaft (13) has a notch (31) directed in the central direction from the circumferential edge of a circle, wherein a plate surface extending from one side edge (31 a) of the notch to the other side edge (31 b) of the next notch is formed into a wedge-shaped plate surface (32) by gradually increasing the distance between plate surfaces, a protrusion (33) bulging smoothly in the right and left directions on the side view is provided in the center, an opening (34) is formed at the distal end of the protrusion in order to obtain a substantially hollow disk shape, and then the shaft is inserted into the opening thus arranging the heat exchanger in the shaft.</p> |
