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In 2019, the annual output of ethylene in Zhenhai Refinery reached 1,152,800 tons, an increase of more than 16% over the previous year, setting a record for 10 years after it was put into production
.
In 2019, Zhenhai Refinery focused on stabilizing growth and ensuring efficiency, carefully organized production and operation, based on the main line of "one stability and four optimizations", made efforts in the optimization and adjustment of raw material structure, scientifically maintaining high-load production, and tackling key and difficult problems, and continuously promoted the plant High quality and efficient operation
.
They have set up a research team since the beginning of the year, focusing on the optimization of the ethylene raw material structure for a long time, improving the effective components and the degree of light weight, and regularly analyzing and adjusting every month to keep the alkane content of the naphtha raw material stable.
At the same time, the RTO online optimization system is used to ensure that each The cracking furnace is running under the optimal working conditions in real time, so that the key performance indicators such as high additional yield, ethylene raw material cost per ton, and comprehensive energy consumption have all reached the best level in history, maintaining the industry's advanced level
.
At the same time, combined with the annual production tasks and cracking furnace maintenance tasks, scientifically arrange production plans, reasonably adjust the coking sequence of cracking furnaces, and on the basis of maintaining long-term operation of each cracking furnace, the two cracking furnace tubes are replaced as a whole, 11 The maintenance projects such as the localization of low-nitrogen burners and the reconstruction of steam pipelines for each cracking furnace are arranged synchronously, and the construction is centralized to ensure the conventional mode of "ten running, one standby, and one maintenance".
Maintain high-load operation of more than 105% throughout the year
.
