Marine radioactive wastewater storage tank with ventilation device

The invention discloses a marine radioactive wastewater storage tank with a ventilation device. The marine radioactive wastewater storage tank comprises a storage tank body, and a main ventilation pipeline ventilation assembly and an auxiliary ventilation pipeline ventilation assembly are further fixed to the top of the storage tank body; the main ventilation pipeline ventilation assembly comprises a transfer straight-through stop valve and a remote control valve capable of being remotely operated, the top of the storage tank body is sequentially connected with the transfer straight-through stop valve and the remote control valve through pipelines, and the remote control valve is connected with a ventilation and overflow pipe; the auxiliary ventilation pipeline ventilation assembly comprises a storage straight-through stop valve and a breather valve, and the top of the storage tank body is sequentially connected with the storage straight-through stop valve and the breather valve through pipelines. The non-pre