FIELD: agricultural engineering.
SUBSTANCE: combine has header and threshing unit with two drums. Air chamber with two sections and two fans is arranged under drums. Air chamber sections are separated from one another by shield. First section is adapted for collecting of seed grain and is connected via elevator to grain hopper. Second section for collecting of ears with grain and chaff is connected to pull-type hopper via air ducts equipped with fans. Straw grinder with third fan is positioned at the end of straw walker. Pull-type hopper is made hermetically sealed and is provided with cyclone connected to threshing unit air duct through corrugated insert. Shrunk grain and ears are settled in pull-type hopper. Chaff is discharged through cyclone central air duct to the outside.
EFFECT: high-quality separation of grain heap into two fractions and collection of seed grain.
5 dwg
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