Rare earth oxide burning dust-free collecting and mixing device

The utility model discloses a rare earth oxide burning dust-free collecting and mixing device, which is used for screening, dedusting and mixing rare earth oxide, belongs to the technical field of rare earth smelting and separation, and comprises a dedusting bin, a dedusting assembly, a mixed material collecting bin, an air mixing assembly and a discharging machine, the dust removal assembly is arranged on the upper portion of the dust removal bin, a feeding port is formed in the side face of the dust removal bin and provided with a buffer joint, a screen is arranged on the buffer joint, the mixed material collecting bin is arranged on the lower portion of the dust removal bin, and the mixed material collecting bin is connected with an air mixing assembly for mixing materials. The discharging machine is arranged at a discharging hole of the mixed material collecting bin; according to the device, screening, dust removal and material mixing are integrated, midway turnover is not needed, the treatment procedures