Patent ID: 6397490
Filing Date: 2002-06-04
Classification: F26B

Abstract:
A flash drying apparatus for drying a material containing moisture, comprising:a cylindrical enclosure arranged vertically; a crusher disposed in a lower portion of the enclosure for crushing the raw material into a powdery or granular material; a material feeder for feeding the raw material to the crusher by letting the raw material fall onto the crusher; a hot wind feeder for feeding a hot wind to the powdery or granular material from under the crusher; a classifier for classifying the powdery or granular material blown upward inside the enclosure by the hot wind; and an exhauster for exhausting the classified powdery or granular material through an upper portion of the enclosure, wherein the crusher includes a rotating plate-shaped member, a plurality of blades made of thin plates and arranged radially on the plate-shaped member, and a ring-shaped member provided substantially parallel to the plate-shaped member for coupling the blades.