Conical screw mixer, also known as Nauta Mixer, cone screw mixer, vertical screw mixer, consists of one or two asymmetric screws. The vertical cone screw blender is a batch mixer, specially designed for batch processing of powders, pastes and liquids. The screws rotate around their own axis (rotation) while, with the help of the rotation of the cantilever, they revolve around the central axis of the cone vessel along the inner wall of the vessel (revolution).