Jinling Petrochemical's high-end graphite shows excellent transcripts

In the early morning of September 22, in the coke field of Jinling Petrochemical's high-end graphite material facility, technicians were carefully inspecting the appearance of the product
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Since this set of Sinopec’s first set of high-end graphite materials was put into production, more than 200 optimization measures have been taken, more than 100 problems have been resolved, and the quality has become better and better

The needle coke produced by the high-end graphite material device is an irreplaceable high-temperature resistant conductive heating material for electric arc furnace steelmaking and a high-quality raw material for the preparation of high-end lithium battery anode materials
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With the transformation and upgrading of China's steel industry and the vigorous development of new energy vehicles, the lithium battery anode material market has shown a trend of rapid growth, and the market's demand for high-quality oil-based needle coke is increasing day by day

In response to market demand, the company implemented a new round of product quality transformation and upgrading projects
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On August 20, 2019, the construction of the high-end graphite project started

Dalian Research Institute of Petroleum and Chemical Industry has provided strong technical support, and all majors earnestly fulfill their main responsibilities
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Participating units organize weekly project construction coordination meetings to coordinately solve the problems and difficulties they face, and follow up on site safety, quality and progress in an all-round way

On January 7th of this year, the company successfully completed the task of starting the project, and after hundreds of research tests, solved the "stuck neck" problem of domestic high-end graphite materials.
In March, it obtained the product quality of pre-calcined oil-based needle coke YFDQ-1.
Certificate of conformity
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In view of the production fluctuation problems that occurred in the early production process, the company carefully analyzed the problems as the guide, starting from the process flow, raw material properties, operation methods and other bottlenecks restricting long-term operation, sorting out and optimizing one by one, and a dedicated person is responsible for implementation and inspection
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Since the operation of the device in this cycle, various process parameters can be stably controlled within the scope of the process card, high-temperature pumps, heating furnaces and other equipment have achieved stable operation, and the long-term operation of the device has been effectively guaranteed, which is the continuous and stable production of needle coke products.

Needle coke products for different purposes are divided into various quality grades, and the prices of the products are also different.
The product quality at the beginning of the installation is still far behind the foreign high-quality needle coke
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　　Faced with various doubts and multiple difficulties, the company formed a professional technical backbone research team through continuous exploration, according to the characteristics of new processes and new technologies, and with the cooperation of Dalian Institute and other units, focusing on improving the quality of needle coke products as the core subject Carrying out technical research, conducting "three-degree" special research on core quality issues such as adjusting the nature of raw materials, reaction temperature and reaction pressure control range, clarifying ideas over and over again, and looking for the crux in the repeated cycle of adjustment-testing-adjustment-testing
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　　By adopting temperature and pressure changes and cold coke measures, the volatile content of needle coke products is finally reduced to about half of the original, which further solves the factors that affect the particle agglomeration effect during the processing of downstream anode materials and effectively improves product quality
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(Dou Fuji and Wang Yuanyuan)