Inert gas protection type screening device

The invention discloses an inert gas protection type screening device, and relates to the technical field of screening equipment, the inert gas protection type screening device comprises a workbench, a material storage unit, a screening unit and a blockage clearing unit, the material storage unit is arranged at the top of the workbench, the screening unit is arranged at the bottom of the material storage unit, and the blockage clearing unit is arranged in the screening unit; the storage unit comprises a stock bin and a discharging pipe, a stock bin air outlet valve is arranged on the top face of the stock bin, a first oxygen sensor is arranged on the stock bin air outlet valve, and an electromagnetic feeder is arranged at the bottom of the discharging pipe. Inert gas is introduced in real time to replace air in the equipment, the oxygen content in the equipment is reduced, the oxygen content in the equipment is monitored in real time, oxygen is prevented from exceeding the standard, the quality of screened ma