| 摘要 |
<p>A screw conveyor device provided with a ribbon screw (4) in a cylindrical casing (1), comprising a rotary ring (12) attached to the intermediate region of the ribbon screw (4), an outer peripheral support (11) rotatably supporting the rotary ring (12) on the casing (1), thereby preventing deflection or elongation of the ribbon screw (4) under a load of the goods being transferred, thereby making high-gradient high-pump-head transfer possible.</p> |
