Dust removal device for feed processing

The utility model discloses a feed processing dust removal device which comprises a material collecting box, a feeding pipe and a discharging pipe are installed on the material collecting box, a first dust inlet pipe is connected to the lower portion of the discharging pipe, and a first cyclone dust collector and a second cyclone dust collector are connected to the lower portion of the first dust inlet pipe; the bottom of the first cyclone dust collector and the bottom of the second cyclone dust collector are jointly connected with a material collecting box, a discharging pipe is arranged below the material collecting box, a first fan is connected to the first dust inlet pipe, a second dust inlet pipe is connected to the first fan and connected with a bag-type dust collector, and a discharging bin is arranged below the bag-type dust collector. The bottom of the discharging bin is connected with a hose, the discharging bin is connected with a second draught fan, and the second draught fan is connected with the