The Zhejiang Zhongda Industrial Control Operating System used by Sinopec Changlian has completed the transplantation of advanced control technology, indicating that the domestic industrial control system technology has reached or surpassed similar foreign products in many aspects.
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On April 15th, through the early commissioning, the long coking, reforming, and catalytic device control systems successfully applied advanced control technology. After testing, the control index of each device after the application of the system was significantly improved, and the self-control rate of some devices was over 95%.
Advanced control technology is a multi-variable predictive and optimized new industrial control method based on process dynamic mathematical model. It adapts to many stringent requirements of modern refinery production and has obvious advantages in improving process control quality and solving complex process control. It is China. Petrochemical “two-in-one†integration of key applications.
Changlian is the first refinery to successfully use the Chinese industrial control operating system of Zhejiang University Control Group. In order to improve the operation accuracy and reduce the production energy consumption, Changlian and the Beijing University of Chemical Technology, Petrochemical Yingke and other units transplanted advanced control technology on the operating system. Since the technology was put into use, after the series of operating system controllers were set and related debugging, the standard deviation of key controlled variables was reduced by more than 30%, which significantly reduced the gas consumption of the device and improved the yield of high-value products.
The successful application of this technology shows that the domestic control system has stable performance and complete functions, and meets or exceeds similar foreign products in many aspects. After the advanced control of the operating system of the 700,000-ton reforming unit, the overall stability rate and control accuracy of the unit have been greatly improved. The comprehensive energy consumption, product yield and various technical specifications of the system meet the requirements.