This system is used for the continuous PX oxidation reaction, and can be used for the simulation of the tower type and the kettle type in industrial production. The system can ensure the continuous feeding of raw materials and the continuous discharging of product, and meet the continuity requirements of the experiment.
The system adopts modular design concept, and all the equipment and pipelines are integrated in the frame. It includes three parts: feeding unit, oxidation reaction unit, and separation unit.
Using advanced control technology, it can meet the special requirements of complex reaction system, high temperature and high pressure, explosiveness, strong corrosion, multiple constraint conditions, and difficult control and optimization that are unique to PTA production. Various instruments and online analytical instruments have high accuracy and sensitivity, and meet the requirements of less error in the experiment. The layout of various process pipelines in the system is reasonable and easy to operate.
The equipment and pipes, valves, sensors and pumps in the system are made of special materials such as titanium TA2, Hc276, PTFE, etc., which solves the problem of strong corrosiveness of acetic acid.
PLC controller, industrial computer and control software are used for automatic control of the system, which is a safe and efficient experimental platform.