Flax seed pretreatment device

The invention provides a flax seed pretreatment device, and belongs to the technical field of flax seed oil pressing equipment. The flax seed pretreatment device comprises a flaxseed frying pan, a pre-cooling hopper, a primary cooling conveying pipe, a main cooler, a flaxseed spreading assembly and a cooling airing field; the primary cooling conveying pipe is communicated with the pre-cooling hopper, a conveying fan is arranged at one end of the primary cooling conveying pipe, the main cooler is connected to the end, away from a hopper discharging port, of the primary cooling conveying pipe, the flax seed spreading assembly comprises a fixing frame, a centrifugal impeller and a driving motor, and the cooling airing field is arranged below the centrifugal impeller. In operation process, after being output from the flax seed frying pan, flax seeds are conveyed through the pre-cooling hopper, the primary cooling conveying pipe, the main cooler, the flax seed spreading assembly and the cooling airing field in seq