Vortex electric stirrer is a kind of equipment widely used in industry and laboratory, mainly used for mixing, stirring, dispersing and emulsifying various materials. Its main structure consists of a motor, rotor and steel screw, which enables fast and uniform mixing and is especially suitable for handling materials of various viscosities and concentrations, including solids, semi-solids and liquids. A major feature of this stirrer is that it can mix a large number of ingredients in a short time