Needle coke rectification device

• Main Authors: CHEN DIANHUA, TIAN FENGRONG, ZHENG TIEJIANG, TANG YI, CAO SHENGPING
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE

The utility model discloses a needle coke rectification device which comprises a light-phase rectification tower, a heavy-phase rectification tower, a gas-liquid separation tank and a solvent recovery tank, the light-phase rectification tower is connected with a refined pitch pump through a pipeline, and the top of the light-phase rectification tower is connected with a light-phase rectification tower top condenser through a pipeline. The upper part of the light-phase rectifying tower is connected with a light-phase tower top circulating condenser through a pipeline, and the light-phase rectifying tower top circulating condenser is connected with a light-phase rectifying tower top condensate tank through a pipeline; the heavy-phase rectifying tower is connected with a binder asphalt pump through a pipeline, the top of the heavy-phase rectifying tower is connected with a heavy-phase rectifying tower top condenser through a pipeline, the upper part of the heavy-phase rectifying tower is connected with a heavy-p