Shredding and dosing assembly for compost and natural fertilizer has hacking blade shaft with supplementary fixed cutter blades

摘要

A mixing and shredding trough (100) for agricultural organic residues has two parallel sidewalls (11.1; 11.2), converging downwards into a central base channel (2). The trough has rotating helical cutter blades at each side (4.1; 4.2). The trough has a rotating hacker blade (3) shaft (5) with an outer diameter 50-120 cm. One or both of the sidewalls is fitted with a supplementary cutting element (10). The horizontal supplementary cutting element (10) is positioned above the hacker blade shaft (5) axis of rotation (A). The notional outer cylinder defined by the hacker blade extremity of rotation defines the position of the supplementary cutting element, from which it is separated by a gap of 0.8-1.6 cm. The base channel (2) is an interchangeable concave panel of perforated sheet metal over a worm conveyer (30) for finely shredded organic substances.