Grain depot dust removal device

The utility model provides a grain depot dust removal device, which belongs to the field of grain depot dust removal equipment and comprises a support frame, and a feeding hopper, a lifting unit, screening equipment and dust removal equipment which are fixedly arranged on the support frame and are sequentially communicated with one another, the lifting unit communicates with the feeding hopper and is used for transferring grain raw materials, the screening equipment is used for removing impurities in the grain raw materials, and the dust removal equipment communicates with the lifting unit and the screening equipment and is used for treating dusty gas in the treatment process. Dust generated when grain crops enter the hopper body is shielded through the dustproof shed assembly of the feeding hopper, dust overflowing is reduced, then the lifting unit is matched for transferring the grain crops, and then the grain crops enter the screening equipment for screening and impurity removing treatment; and meanwhile,