Drying of the plastic raw material is a necessary step during the process of plastics, in order to get qualified product. This crystal dehumidifying drying system could supply low dew point dry air flow, which could meet the requirements of PET process.

As the density of PET flakes is rather light, there will be bridge erection in the barrel and hopper, according to our experience, unit to avoid the bridge erection. Feeding unit is added into this system to prevent bridge erection which may arise in the discharge mouth.