Efficient rectification device for sulfuryl fluoride production

The utility model is applicable to the technical field of rectification devices, and provides an efficient rectification device for sulfuryl fluoride production, which comprises an inner barrel, a jacket barrel connected to the outer wall of the inner barrel, an upper joint connected to the upper end of the inner barrel, a plurality of tower sections connected to the upper end of the upper joint, and an end socket connected to the upper ends of the tower sections. The outer walls of the upper joint, the tower section and the seal head are fixedly connected with flange joints; a main body is composed of an inner cylinder, an upper joint, a plurality of tower sections and an end socket, flange joints for connection are mounted on the outer walls of the upper joint, the tower sections and the end socket, two layers of tower plates are connected in each tower section, mass transfer blocks are mounted on the tower plates, and the required number of the tower sections can be determined by calculating the required n