PORTABLE UNIT FOR ACTIVE GRAIN VENTILATION

摘要

A portable pipe unit for active grain ventilation comprises a movable fan unit with a pressure spout, main and ventilated pipe air ducts. On the pressure spout of a fan a head with distributing spouts is mounted, it is connected with the ventilated pipes with screw surface through the latters by the portable main flexible air ducts, which are made of the same length and of the same diameter.