Nuclear power plant waste gas treatment system based on activated carbon delayed bed and use method thereof

The invention discloses a nuclear power station waste gas treatment system based on an activated carbon delay bed, which comprises a condenser and further comprises a gas inlet pipe connected to the gas inlet end of the condenser, and a first electric control valve is arranged at the middle section of the gas inlet pipe; the steam-water separator is connected to the air outlet end of the condenser; the drying box is connected to the air outlet end of the steam-water separator; the heat energy drying assembly is connected between the air inlet pipe and the drying box; the waste gas guide assembly is connected to the gas outlet end of the drying box; the decay box is connected to the end, away from the drying box, of the waste gas flow guide assembly, and the gas outlet end of the decay box is connected with a communicating pipe; the nuclide monitoring unit is connected to one end, far away from the decay box, of the communicating pipe; the waste gas emission assembly is connected to the joint of the nuclide mo