Screw used for a screw-type solid bowl centrifuge comprises additional leaf segments in some sections of a conveyor path between adjacent spirals, and in the area of the segments a screw leaf with recesses

摘要

Screw comprises additional leaf segments (29) in some sections of a conveyor path (7) between adjacent spirals (x, x + 1, ..); and in the area of the segments a screw leaf (5) with recesses (27) adapted to allow the material to be extracted to pass between adjacent spirals. Preferred Features: The screw body (3) has a cylindrical section (9) in its rear region and a conically tapering section (11) in its front region. The recesses and segments are formed in the cylindrical section.