The spiral dryer is an important auxiliary accessory for the drying part of the paper machine. It is used for drying paper in paper mills and drying textile printing and dyeing products. It is suitable for speeds below m600/s. It is one of the most advanced drying and filtering materials at present. According to the specifications of a single ring, it can be divided into three specifications: large loop, middle loop, and small loop. Each specification is divided into many different models. It is used for drying packaging paper, cultural paper, board paper and pulp board with large basis weight. It is widely used in papermaking, coal mine, food, medicine, printing and dyeing and rubber products industries.