Description: Conical double screw mixer has two asymmetric tilt screws, double helix itself rotate, so to lift the material, and revolute along the center axis by a revolving gearbox drive, 360 degree mixing material, with non-destructive stirring and fast and No residual discharge characteristics. The device adopts separate rotation and revolution, the upper cylindrical tank together with the conical tank, pressure-resistant oval end dish structure, the pneumatic butterfly valve, center spray nozzle, and the inner surface is mirror polished , The outer surface of matt treatment, erection of inlet, invent etc.