Qingyang Petrochemical Atmospheric Distillation Plant Under Construction

Qingyang Petrochemical’s atmospheric distillation unit for the 3 million-ton relocation and transformation centralized processing project is under intense construction. At present, the process pipeline prefabrication, atmospheric tray installation, instrument bridge installation and cable laying are all completed, and the process pressure test package has completed 58 steels. 50% of structural anticorrosion is completed. It is reported that the project is scheduled to be delivered on June 30 and commissioned on August 30.

Thermal drying is one of the most important and omnipresent unit operations in most industrial sectors. It involves heat transfer and mass transfer. Usually the product obtained from drying is powders or granules. Drying is energy-intensive process.


Drying commonly describes the process of thermally removing volatile substances to yield a solid product. Moisture held in loose chemical combination, present as a liquid solution within the solid or even trapped in the microstructure of the solid,which exerts a vapor pressure less than that of pure liquid.

Drying Machine

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