FIELD: agriculture.
SUBSTANCE: for heating and cooling air supplied to the bins using a vortex tube connected with its outputs with bins through the devices of switching flows of heated and cooled air, and a source of compressed air is used as an air pump, in the form of a compressor or a blower, at that the pressurised air from the source is fed to the dryer and then into the vortex tube, where it is divided into hot and cold flows, at that the cold air flow is used to achieve the effect of final cooling of the product before unloading, and the coolant temperature is regulated by air supply injected into the vortex tube.
EFFECT: invention enables to use one device for heating and cooling of air supplied for drying and regulate the duration of cycles of heating and cooling of products along with simple design.
2 cl, 1 dwg
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