DEVICE FOR SEPARATION OF GRAIN HAY HEAP Russian patent published in 2016 - IPC B07B7/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machine building, in particular, to grain cleaning and combine devices for separation of grain-straw heap. Device for separation of grain-straw heap comprises a feeder, spreader, receiving chambers for collecting fractions, fan, delivery nozzle of which is installed across the trajectory of particles of the heap, under the spreader there is a separating chamber in the form of a channel, walls of which are continuation of the fan outlet nozzle walls. Inside the channel before spreading zone of heap components a shield is installed, made of two walls, one of them makes a confuser inside the channel, and the other one together with the spreader - pre-chamber orientation of heap components particles with stationary air medium. Feeder is made in the form of funnel-shaped bin with an outlet annular slot and an annular proportioner, under which there is the spreader secured on the vertical shaft, configured to be conical and equipped with straight blades, installed perpendicular to its surface. Separating chamber channel and a shield installed in it are made up circular and cone-shaped. Spreader is arranged with a possibility to rotate and to move vertically. Outlet confuser is located connected with the cyclone at the annular channel outlet.

EFFECT: technical result - increase in productivity and efficiency of the heap components separation.

3 cl, 1 dwg