Oil product vacuum tower top mixture separation sump oil treatment system

• Main Authors: LI FEIYANG, REN FUQIANG, XUE ERBAO, WANG JINXING, ZHANG BAOHAI, REN LINGBING, LIAN ZHENG, LIU JINGXIAO, ZHANG BOHUI
• Format: Patent
• Language: Chinese; English
• Published: 25.11.2022
• 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 an oil product pressure reduction tower top mixture separation sump oil treatment system, and belongs to the technical field of oil product processing in the coal chemical industry and the like. Comprising an atmospheric tower feeding heating furnace, an atmospheric fractionating tower, a vacuum tower feeding heating furnace and a vacuum tower which are connected in sequence, and further comprises a multi-stage ejector, an oil-water separator and a dirty oil recovery pump which are connected in series, each stage of ejector comprises an ejector and a condenser which are connected with each other; a mixed gas outlet in the top of the vacuum tower is connected with an inlet of the multi-stage ejector; a liquid outlet of the condenser is connected with the oil-water separator; a dirty oil outlet of the oil-water separator is connected to a feeding hole of the atmospheric tower feeding heating furnace through a dirty oil pipeline; the dirty oil recovery pump is arranged on the dirty oi