EXTRUDER FOR PROTEIN FODDER PRODUCTION Russian patent published in 2019 - IPC A23N17/00 

FIELD: fodders.

SUBSTANCE: invention relates to fodder production and may be used for preparation of protein fodder, in particular - loose-bulk sunflower press cake. Extruder includes a housing with a loading funnel. Body accommodates a presser with a conical head and a feeding screw, having a coiling in the form of a direct helicoid. Feeding and pressing screws are made in the form of in-series connected sections in the form of catenoids. Top of conic head is made in form of parabola. On each section of screws there is at least two windings in the form of a direct helicoid with a pitch equal to average size of seeds of the main crop. Places of joints of sections are made in form of parabola. Width of section of extrusion auger makes from width of feed auger section. After the conical head of the pressing screw, a bushing is installed at the outlet.

EFFECT: use of the invention will allow to expand the extruder functionality.

1 cl, 1 dwg