The Yan'an Petrochemical Plant recently launched a long-term operation of the polypropylene plant. Through intensive process control, the company aims to solve various hidden dangers of long-term operation of the plant and deepen the potential of the plant.
It is understood that the plant's polypropylene plant has an annual output of 200,000 tons. It has the characteristics of complicated process and high precision of operation. In the process of propylene polymerization, separation and drying, there are three-phase coexistence conditions, which can easily cause pipelines, valves or Equipment blockage, severely restrict the long-term operation of the device.
In order to do a good job in long-term operation, the plant seized key links and focused on the main responsibility. They closely monitored the process parameters, formulated specific monitoring measures and adjustment measures, closely monitored the operating curves of key parameters, and effectively improved the operational accuracy rate. Provide protection for long-term operation of the device.
In terms of catalyst management, the plant has implemented a 'three-level confirmation' system for catalyst configuration, and monitors the 'physical signs' of all aspects of the catalyst throughout the process. In the main catalyst preparation process, each step is confirmed step by step, strictly implementing the preparation plan, and conscientiously implementing the preparation three. Level confirmation process to ensure that the catalyst quality indicators of the injection device are qualified to meet the process requirements.
In addition, the plant also pays close attention to the analysis results of propylene raw materials, and finds that abnormal measures are taken in a timely manner, while ensuring the purity of hydrogen is above 99.9%, paying close attention to indicators such as melting index, isotacticity, ash, etc., and timely adjusting operations according to the analysis results to ensure Product quality is qualified.