A static mixer is an efficient blending device without moving parts. Besides being widely used in the oil refining and chemical industries, it is also extensively applied in pharmaceuticals, food, mining, plastic extrusion, and environmental protection sectors. Compared to traditional mixing equipment like stirrers, colloid mills, homogenizers, and Venturi tubes, it offers advantages such as simple process, compact structure, low energy consumption, minimal investment, high operational flexibility, no maintenance required, and excellent mixing performance. It can replace conventional equipment for processes involving liquid-liquid, liquid-gas, liquid-solid, and gas-gas mixing, emulsification, neutralization, absorption, extraction, reaction, and enhanced heat transfer.