Germanium dioxide size grading adjusting device

The utility model is suitable for a germanium dioxide screening technology, and provides a germanium dioxide size grading adjusting device which comprises a main box body, the dust removal device is communicated with the main box body through a pipeline; wherein a first-section grading device and a second-section grading device are arranged in the main box body; the grading device comprises an inner grading cavity and a grading wheel assembled in the inner grading cavity; germanium dioxide powder conveyed from the feeding port of the main box body is subjected to grading screening in the inner grading cavity and then conveyed into the second-section grading device through a pipeline to be subjected to secondary grading screening, and products obtained through multiple times of grading screening are conveyed to the dust removal device to be subjected to dust removal adsorption. The centrifugal force is adjusted by controlling the rotating speed of the grading wheel, germanium dioxide particles with different p