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AssigneesChina Petroleum & Chemical Corporation, Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp.
InventorsRenqing CHU, Xiangchen FANG, Dan GUO, Yongyi SONG, Jihua LIU, Lianzhong GOU, Dewei JIAO, Yun WU
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A coking system comprises the 1st to the m-th heating units and the 1st to the n-th coke towers, each of the m heating units being in communication with the n coke towers, respectively, each of the n coke towers being in communication with one or more separation towers, respectively, in communication with the m-th heating unit and optionally with the i-th heating unit. The coking system can at least utilize petroleum series or coal series raw materials to produce high-quality needle coke with stable performance.
A coking process comprises the steps of coking by using m heating units and n coke towers, wherein m is any integer of 2 to n-1, n is any integer of 3 or more (preferably any integer of 3 to 20, more preferably any integer of 3 to 5, more preferably 3), each of the m heating units is respectively communicated with the n coke towers in a material transport manner, assuming T0 is a coke-charging starting time and Te is a coke-charging termination time for the h-th coke tower (h being any integer from 1 to n) of the n coke towers, starting at said time T0, the material transport from each of heating units to the h-th coke tower in the order from said the 1st heating unit to the m-th heating unit is sequentially started and terminated, and at the time Te, the material transport from the m-th heating unit to the h-th coke tower is terminated.
A coking process, in which a coking device is used and comprises three coke towers, two sets of heating furnaces, a fractionation tower and a coke-pulling feedstock storage tank, wherein the three coke towers are respectively marked as a coke tower a, a coke tower b and a coke tower c;
Dependencies are inferred from the claim text.