High efficiency screw feeders for continuous extrusion and refining of soaps, detergents and other similar plastic products

摘要

Screw feeder or Archimedian screw for pasty materials, such as soap, wherein the winding angle of the screw ranges between 15 DEG and 25 DEG , and the screw height, diameter and thrust length depend on the section of bar extrusion and/or free passage area of the refining holes.