Novel graded flash evaporation equipment and process

The invention discloses novel graded flash evaporation equipment and process. The equipment comprises a crude oil tank, wherein the crude oil tank is communicated with an oil conveying pipeline, at least three flash evaporation tanks are arranged on the oil conveying pipeline in a crude oil conveyin...

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Bibliographische Detailangaben
Hauptverfasser:	GUAN QINGLIN, GAO CHUNHAI, REN PEIJIE, ZHANG ZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL 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 SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses novel graded flash evaporation equipment and process. The equipment comprises a crude oil tank, wherein the crude oil tank is communicated with an oil conveying pipeline, at least three flash evaporation tanks are arranged on the oil conveying pipeline in a crude oil conveying direction, the tops of the three flash evaporation tanks are provided with oil conveying pipes, the three flash evaporation tanks are respectively a first-stage flash evaporation tank, a second-stage flash evaporation tank and a third-stage flash evaporation tank, the feed port of the first-stage flash evaporation tank is connected with a desalting tank, a first connecting pipe is connected between the first-stage flash evaporation tank and the second-stage flash evaporation tank, a second connecting pipe is connected between the second-stage flash evaporation tank and a primary distillation tower, a third connecting pipe is connected between the primary distillation tower and the third-stage flash evaporation ta