A continuous powder-liquid mixer is composed of a rotary mixing disc for uniform mixing between powder and liquid, a drive motor, a magnetic coupling unit between said mixing disc and the rotating shaft of drive motor, a mixing chamber without sealing structure for the rotary axle of mixing disc, an overflow cone to make the liquid flow downward along its inner surface to form a overflow film, a powder supplying cylinder with an opening aligning to said overflow cone, a dispersing cone in the center on upper surface of mixing disc, and a liquid nozzle pointing to the center of said dispersing cone. |