Dry ice heat preservation tank convenient to transport

The utility model relates to the technical field of dry ice heat preservation tanks, and discloses a dry ice heat preservation tank convenient to transport, which comprises a dry ice heat preservation tank body, a bottom fixing seat is fixed at the bottom of the dry ice heat preservation tank body, and a control box body is fixed on the outer side of the dry ice heat preservation tank body; the device is provided with the auxiliary transportation device, a user can push the dry ice heat preservation tank body to move, the mounting bracket can rotate in multiple directions, and the roller main body is in rolling connection with the ground, so that the purpose that the dry ice heat preservation tank body is easy to move in a short distance is achieved; the roller body can be locked conveniently, and short-distance movement and transportation of the dry ice heat preservation tank body are facilitated; the device is provided with the closing device, the heat preservation cover shields and closes the top of the dr