The invention provides a ball-stirring mill for a convex pin
turbine. The ball-stirring mill comprises one or more convex pin turbines, zero or more jaw wheels, a material-ball separating
assembly, a milling cavity cylinder body, a charging cylinder cover and a discharging room, wherein a plurality of convex pins are arranged on the
turbine(s), and the middle parts of the convex pins are hollowed to form vortex grooves; each
turbine is provided with a plurality of through holes along the radial direction, and the through holes are communicated with the plurality of middle vortex grooves; and when the turbines run, a
sizing agent and a milling media (i.e. milling balls) are driven to circularly move along the
peripheral direction and the radial direction, and a high shearing force is generated by the stirring function of the pins. When the jaw wheels rotate, a powerful centripetal driving force is generated. The materials thrown out of the turbine and the milling balls are driven to enter inner holes of the turbines, so that the circular flow can be enhanced. According to the ball-stirring mill, a circular driving force and a stirring force of liquid are enhanced, so that the milling efficiency can be greatly improved, and the
granularity of products milled for once can be obviously reduced; and therefore, the ball-stirring mill can be wildly applicable to the field of extra-fine
grinding and extra-fine dispersing of materials, and in particular, the ball-stirring mill has preferable effects on the extra-fine
grinding and dispersing of prepared nanometer-level products or high-
viscosity products.