Feeding system

The utility model discloses a feeding system which comprises a disc pelletizer, the output end of the disc pelletizer is fixedly connected with a rotary furnace, the input end side of the disc pelletizer is fixedly connected with a pretreatment device, and the pretreatment device can carry out preliminary wetting and preliminary shaping treatment on a secondary zinc oxide raw material in a powder state. According to the utility model, through the arrangement of the pretreatment device, the pretreatment device can be used for carrying out preliminary wetting and preliminary shaping treatment on a powdery secondary zinc oxide raw material, so that the secondary zinc oxide raw material is ensured to enter the disc granulator subsequently, the formation of particles with required shapes is accelerated, and the granulation effect is ensured; and subsequent production is prevented from being influenced. 本实用新型公开了一种上料系统，包括圆盘造粒机，所述圆盘造粒机输出端与回转炉固定连接，所述圆盘造粒机的输入端侧固定连接有预处理装置，所述预处理装置可对粉末状态的次氧化锌原料进行初步润湿和初步定型处理，所述预处理装置的入料端固定有