Efficient energy-saving air interchanger for refrigeration house

The utility model discloses an efficient energy-saving ventilation device for a refrigeration house in the technical field of ventilation equipment, which comprises a shell, an air inlet channel arranged at the lower end of the shell, an air outlet channel arranged at the upper end of the shell, a rotating rod rotationally connected with the inner wall of the shell, and a motor mounted in the shell, two driving rollers are fixedly connected to the circumferential side face of the rotating rod, two blowing mechanisms are fixedly installed on the inner wall of the shell, the driving rollers and the blowing mechanisms are in transmission connection through belts, a rotating disc is fixedly connected to one end of the rotating rod, a protruding column is fixedly connected to the side face of the rotating disc, and a cleaning plate is slidably connected to the inner wall of the shell; and a filter plate is fixedly connected in the air inlet channel of the shell. The utility model aims to provide the high-efficienc