The twin-shaft dust humidifier, also known as the twin-shaft dust humidifying mixer, uses two sets of spiral blades for mixing, featuring high mixing efficiency, minimal floor space requirements, and spiral blades made of wear-resistant special alloy or composite ceramic, ensuring a long service life. The twin-shaft dust humidifying mixer (dust humidifier) employs a cycloidal pinwheel reducer for transmission, offering smooth operation and low noise. The mixer feeds from the top and discharges from the bottom, with a reasonable structure. The twin-shaft dust humidifying mixer (dust humidifier) has tight seals between mating surfaces, ensuring smooth operation. The mixer is equipped with a humidification water spray system, providing even water distribution and adjustable water supply to meet requirements. The twin-shaft dust humidifying mixer (dust humidifier) uses a hand-pumped oil pump for centralized lubrication of the four drive bearings, facilitating easy equipment operation and maintenance. The twin-shaft dust humidifying mixer (dust humidifier) is a device used for spraying water and mixing powdery materials.