Rectification equipment for phosphonitrilic chloride trimer purification process

The invention belongs to the field of rectification, and particularly relates to rectification equipment for a hexachlorocyclotriphosphazene purification process, the rectification equipment comprises a rectification tower body, the rectification tower body is composed of a top cover, a base and a plurality of splicing cylinders, the plurality of splicing cylinders are located between the top cover and the base and are stacked at equal intervals, the outer sides of the splicing cylinders are connected with feeding pipes, and the outer sides of the splicing cylinders are connected with the feeding pipes. A telescopic arm is connected between every two adjacent splicing cylinders, the upper end and the lower end of each telescopic arm are rotationally connected with the outer side of the corresponding splicing cylinder, a disassembling assembly is arranged above the rectifying tower body and used for disassembling the multiple splicing cylinders and horizontally arranging the multiple splicing cylinders, and wh