... densely.This dual-shaft mixer is mainly used for various powdery materials, such as clay, shale, ... mixer is composed of shell, screw shaft assembly, drive unit, piping assembly, cover and chain guard, etc. ... seal up without ash leakage. Screw shaft assembly is key component of this mixer, which is ... chain wheel, oil cup and other parts. Piping assembly for adding water is formed by take-over, tie- ...