Static mixer

The utility model discloses a static mixer which comprises a pipeline, the top of the pipeline is communicated with a dosing pipe, a crushing mechanism is arranged in the dosing pipe, the crushing mechanism comprises a plurality of leaf discs, each leaf disc is composed of a rotating disc and a plate-shaped body installed on the rotating disc at an equal angle; the mounting assemblies are arranged on the outer sides of the leaf discs, the mounting assemblies are connected with the medicine adding pipe, inner rods are mounted at the axes of every two leaf discs, the inner rods are in a z shape, every two leaf discs are mounted at the two ends of the inner rods, and each mounting assembly comprises a connecting rod mounted on the end face of the leaf disc on the outermost side; the designed crushing mechanism can perform crushing and secondary mixing on the added medicament, after the medicament enters the pipeline, the medicament is quickly dissolved in a water source, impurities in the water source are elimin