FARM FEED DRYING APPARATUS Russian patent published in 2002 - IPC

FIELD: agricultural engineering. SUBSTANCE: grassy feed drying apparatus has ventilation carcass connected to fan equipped with delivery branch pipe, which is provided with curved channels. Suction branch pipe of fan is located inside gap between polymeric covering and carcass. Delivery branch pipe nozzle is provided with annular channel positioned behind its inlet opening. Annular channel is communicated with curved channels having dovetail profile. Contaminants collector is positioned in lower part of annular channel. Nozzle casing is made from bimetallic material. Apparatus of such construction prevents collected contaminants from casual or probable dropping from cavities of curved channels into recirculating air flow and provides for effective collection thereof with following discharge from apparatus. EFFECT: increased quality of drying feeds and enhanced reliability in operation. 3 dwg