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Recently, Tianyuan Company of Shenmu Coal Chemical Industry Co.
, Ltd.
applied for a utility model patent based on the technology of producing carbon materials from medium and low temperature coal tar, which was authorized by the State Intellectual Property Office
.
The above-authorized patents can simplify the preparation process of needle coke, overcome the high content of colloid and asphaltene in high-temperature coal tar pitch products, easy coking at high temperatures, high viscosity at low temperatures, and easy blockage of equipment and pipelines as raw materials for needle coke production.
Problems such as low added value.
At the same time, when preparing refined asphalt products from medium and low temperature coal tar, it can also obtain crude gasoline, light distillate oil, heavy distillate oil, binder pitch and other products, realizing the efficient utilization of medium and low temperature coal tar.
, It has improved the added value of its products and developed a new process for producing refined asphalt using medium and low temperature coal tar
.
In order to comprehensively increase the added value of products and take the road of high-end and fine chemicals, Tianyuan Company began research and development of carbon materials from medium and low temperature coal tar in 2017; in 2019, 120,000 tons/year of medium and low temperature coal tar were built to produce carbon materials.
Production equipment; In 2021, Tianyuan Company will use compound solvent extraction to remove raw material impurities, and industrial equipment will produce qualified needle coke raw materials (refined pitch).
The indicators are better than the design value.
Explore a suitable medium and low temperature coal tar The innovative development road to produce high-quality needle coke and anode materials
.
It is understood that Tianyuan Company's 120,000 tons/year medium and low temperature coal tar carbon material research and development project has been included in the Shaanxi Province Regional Innovation Capability Guidance Plan Project and Yulin City Science and Technology Plan Project in 2020, and received a total of 620,000 yuan in support funds
.
Up to now, relying on this technology, a total of 7 national authorized patents have been obtained, including 5 invention patents and 2 utility model patents