Ribbon Blender (also named ribbon mixer) is a basic industrial mixing machine.
Vortex ribbon blender consists, basically, of a trough-shaped shell (usually 2 to 3 times longer than its wide)
with a semicircular bottom, fitted with a horizontal longitudinal shaft on which are mounted arms
supporting a combination of ribbon blades, paddles or helical screws set at approx https://incmachine.com/products/ribbon-blender-mixer/