FIELD: technique for removing suspended solid particles from a liquid.
SUBSTANCE: screw conveyor with auxiliary blades includes a hollow inner tubular element (4), which contains a conical section and a straight cylindrical section. Tubular wall adjacent to conical section is provided with outlet holes (3). Inner tubular element (4) is equipped with helical blades (6) along the periphery. Between helical blades (6) in a continuous spiral channel there are several auxiliary blades (10), wherein width of auxiliary blade (10) is less than pitch of helical blade (6). Two adjacent auxiliary blades (10) are staggered in the space of the continuous spiral channel to form a meandering flow channel (15).
EFFECT: higher efficiency of processing and separation.
10 cl, 10 dwg
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