Jinxi Petrochemical Aromatics Renovation Project Unit Successfully Started Up at First Time

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On May 11, after system debugging, joint start-up and process optimization, the aromatics transformation project unit was in stable operation, and all operating indicators met the design standards and process requirements. Four qualified products, extracted oil, benzene, toluene and xylene, were successfully produced. All product indicators met the standards, marking the successful start-up of this aromatics transformation project and laying a solid foundation for the subsequent long-term stable operation of the unit, production capacity optimization and product quality improvement. The aromatics transformation project is a key measure for the company to optimize production layout, adjust raw material structure, and support the downstream industrial chain. In response to the problems of the original device's long operating life, insufficient raw material adaptability, low processing efficiency, and limited energy consumption and environmental protection indicators, the company has effectively improved the device's raw material adaptability and product output efficiency through process transformation, equipment upgrades, and system optimization, reduced production energy and material consumption, improved safety and environmental protection supporting facilities, and comprehensively improved the operation level of the device. After the completion of the project, the company coordinated the project department, operations department and technical team to refine the start-up commissioning plan, steadily promoted various tasks in strict accordance with standardized procedures, and solidly completed preliminary preparations such as special personnel training, process sorting, hidden danger investigation, and emergency drills. During the commissioning period, technical personnel were on-site throughout the entire process, monitoring the operating parameters of the device in real time, optimizing and adjusting the process in a timely manner, adapting the equipment working conditions, and properly handling various operational fluctuation issues. After many days of continuous and stable operation, the raw material processing capacity of the device has stably reached the design capacity of 800,000 tons. The product purity and hydrogen yield have been significantly improved compared with before the transformation. The energy consumption of the device has dropped significantly. The safety and environmental protection system operates stably. The overall working conditions are stable and controllable. The quality of the four types of products produced are all qualified. The aromatics transformation project came to a successful conclusion, effectively breaking the production and operation bottleneck of the original device and further optimizing the company's production device structure. The modified device has stronger raw material adaptability, higher production efficiency, and better environmental performance. The overall operation of the device is stable and reliable. It can accurately adapt to the company's overall production plan, continuously and stably guarantee the supply of raw materials for the downstream industrial chain, and lay a solid foundation for the company to improve quality and efficiency, and develop green, low-carbon and high-quality.