SHAFT MODULAR GRAIN DRIER Russian patent published in 1998 - IPC

FIELD: agricultural engineering; drying of grain and industrial crop seeds. SUBSTANCE: incoming and outgoing ducts of grain drier are made in form of separate rectangular units installed one over the other. Each unit has incoming and outgoing ducts in form of channels consisting of two vertical perforated plates meeting at acute angle at one and the same side of unit length in plan and in different sides for incoming and outgoing ducts. Semiducts of required width with perforations only on inner plates are arranged at both edges of ducts. EFFECT: reduced specific consumption of heat for drying, manufacturing cost and improved quality of dried material. 8 dwg