Automatic nitrogen charging protection centrifugal machine

The automatic nitrogen charging protection centrifugal machine comprises a bottom plate, bases, a machine barrel and a nitrogen control box, the bases are arranged at the four corners of the bottom of the bottom plate, the machine barrel is arranged on the left side of the top of the bottom plate, the nitrogen control box is arranged on the right side of the top of the bottom plate, and a square opening is formed in the bottom plate in a penetrating mode and located in the bottom of the nitrogen control box. A heat conduction mechanism is arranged in the square opening, fixing plates are symmetrically arranged on the two sides of the nitrogen control box, fixing bolts are arranged at the tops of the fixing plates, the tail ends of the fixing bolts penetrate through the fixing plates and are in threaded connection with the bottom plate, ventilation holes are formed in the upper side and the lower side of the nitrogen control box in an array mode, and a protection assembly is arranged below an inner cavity of t