GRINDER

摘要

This grinder is for fibrous material such as peat moss, wood and asbestos. It may comprise a generally cylindrical casing with its axis horizontally disposed. The casing may have a top material feeding funnel, vertical end walls, an imperforate, partly cylindrical wall, and a partly cylindrical screen forming the bottom section of the casing and located upstream of the imperforate wall. A rotor may be journalled in the end walls and extend across the casing being co-axial with the imperforate wall and the screen; the rotor may include rigid radial blades with a free edge face defining a smaller gap with the inner surface of the screen and a greater gap with the inner surface of the imperforate wall. This greater gap permits unplugging of the fibrous material which might be caught between the blades and the imperforate wall. The grinder produces separation and alignment of the fibres by the shearing action of the blades moving past the screen. The ground material is ejected through the holes of the screen.