Multi-stage sieving equipment for processing bio-enzyme modified baking powder

The invention relates to the technical field of baking powder screening tools, in particular to multi-stage screening equipment for processing bio-enzyme modified baking powder, which comprises a support frame, a vibration base, a screening disc and a drying cylinder, a stirring brush is driven to rotate by a stirring motor, and the baking powder in the screening disc is swept by rotating the stirring brush. Baking powder stacked in the screening disc can be scattered, the baking powder is prevented from being blocked in the screening disc, the speed that the baking powder penetrates through a screening plate at the bottom of the screening disc is increased, and therefore the baking powder screening efficiency of the equipment is further improved, biological enzyme in the baking powder can be prevented from being separated out, and the quality of the baking powder is prevented from being changed. And on the other hand, residual baking powder can be helped to penetrate through a screen at the bottom of the scr