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Introduction and use advantages of high pressure package dyeing machine
Jan 12, 2019

The high pressure package dyeing machine is mainly used for high-temperature dyeing and post-washing treatment of polyester and its blended cheese yarn (filament). It can also be used for dyeing cotton, acrylic, wool and other cheese yarns. It consists of dyeing tank, dosing tank, feeding pump, circulation pump, piping system and control box.

The high pressure package dyeing machine is generally a vertical stainless steel cylindrical dyeing tank, and the bottom of the tank has a coiled tube for steam indirect heating and cold water cooling. The groove cover is sealed, the working pressure is 294kPa, the working temperature can reach 140°C, and it is selected according to the fiber type and dyeing process. Commonly used yarn capacity is 10kg, 30kg, 50kg, 100kg, 150kg, 200kg, 300kg, 400kg, 1000kg, 1400kg.

The dyeing liquid in the tank of the high pressure package dyeing machine is transported by the circulating pump as needed. The dyeing machine tends to be dyed and the process parameters can be automatically monitored. The circulating pump variable frequency control controls the frequency to control the internal and external pressure difference of the yarn. Bath ratio 1:4 ~ 1:11, as needed, can be dyed in three ways: small bath ratio, medium bath ratio, and full filling. Air pressurization and liquid pressurization can be used to achieve the best dyeing effect. Some models of the machine are equipped with dyeing cages for dyeing hair balls and hanks. It is also usually possible to scouring, bleaching and then dyeing in such dyeing machines. 

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