AIRFLOW CONVEYOR FOR DRYING OF FREE RUNNING AND NON-RUNNING MATERIALS Russian patent published in 2009 - IPC F26B9/06 F26B25/00 

FIELD: agriculture.

SUBSTANCE: invention pertains to farm machinery industry, in particular to drying plants for free-running and non-running materials, for example grains, heap of hayseeds, fine-cut dried grass. Airflow conveyor for free-running and non-running materials contains a chamber, bottom made of air grills and splitters, discharge valves, made as metal plates, arranged on rotating axis, rotation whereof is driven by an electromagnet by means of a lever, spring, conveyor and a tray feeding raw material, reverse, leveling screw with control mechanism adjusting its length and material dryness level sensor. Between the screw and air grills there is cutting off device of the dried lower layer, including louvered boxes, flanged carriage, mechanism of the carriage reciprocating movement on rolls, carriage height adjusting mechanism. Passive reverse finger-type easy-flow device and screw are set on the carriage conveyor; all of them are driven by the same gear-motor through controlled sleeves. Easy-flow device is mounted on adjustable ears, heating block and the fan serve for supply of drying medium into the chamber, having a window damper for unloading of the dried material into the tray with an observation glass.

EFFECT: invention is aimed at increasing efficiency of unloading process of easy-running and non-running materials.

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