FIELD: technological processes.
SUBSTANCE: invention may be used in bioenergetics. Initial wood raw material via gate 6 is supplied to pneumatic line 3, along which it is transported with the help of air flow created by fan 4. In process of transportation, wood raw material gets into upper part of device, where vertical auger 2 rotates. In lower part of shaft 7, where auger 2 is installed 2, cutting knives 8 are placed with different quantity of blades. Wood raw material comes to cutting knives 8, is ground and pushed with the help of auger 2 and pneumatic line head through calibrating holes 10 of fixed disks 9. Through feeder 12 crushed wood raw material gets into drying chamber 13 and to helical fixed spiral 14.
EFFECT: reduction of construction and erection works, reduced number of servicing personnel, increased efficiency of pellets and granules.
1 tbl, 1 dwg
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