The vertical dust humidifier is a highly efficient device that mixes the powdery material by water jet mixing. It is mainly used in dust collectors of thermal power plants, but also for chemical, metallurgy, mining, building materials, and other industries. By controlling the amount of water added, suitable moderate requirements have been reached. The products are divided into three major series: single axis dust humidifier, double axis dust humidifier, vertical dust humidifier. For different materials and different working conditions, different dust humidifiers can be used.