2.Atmospheric and vacuum distillation of crude oil(Primaryprocessing)Crude oil30 - 150℃Light naphtha(lightgasoline)150 - 220℃Heavy naphtha175 - 275℃Kerosene200 - 350℃Dieseloil350-520℃Lubricating oil>520℃Petroleumresidue
Crude oil Light naphtha （light gasoline） 30－150℃ Heavy naphtha 150－220℃ Kerosene 175－275℃ Diesel oil 200－350℃ Lubricating oil 350－520℃ Petroleum residue >520℃ 2. Atmospheric and vacuum distillation of crude oil （Primary processing）
High-pressure steamGas0GasaphthaKeroseneCondenseoilandwaterVacuum oilLight dieselVacuum oilHeavy dieselVacuum residueCrude oilHeavyoilProcess flowsheet ofatmospheric and vacuum distillation of crude oil1-oil transfer pump, 2-heat exchanger, 3-demineralizer, 4-heater, 5- atmospheric tower,6-fluid reservoir,7-stripper(气提塔),8-cooler,9-vacuumtower,10-steam jet pump
Crude oil Gas Naphtha Kerosene Light diesel Heavy diesel Heavy oil Gas Vacuum residue High-pressure steam Process flowsheet of atmospheric and vacuum distillation of crude oil Vacuum oil Vacuum oil Condense oil and water 1-oil transfer pump, 2-heat exchanger, 3-demineralizer, 4-heater, 5- atmospheric tower, 6-fluid reservoir, 7-stripper(气提塔), 8-cooler, 9- vacuum tower, 10-steam jet pump
GasolineParameter----OctanenumberThe octane number is the parameter of the anti-knock performance as the gasoline burningininternal-combustion engine.Higheroctane number is,higher anti-knockperformance is, the better the quality of gasoline is研究法(RON)、马达法(MON)Measuringmethod:ResearchOctaneNumber(RON)(MON)MotorOctaneNumber
➢ The octane number is the parameter of the antiknock performance as the gasoline burning in internal-combustion engine. ➢ Higher octane number is, higher anti-knock performance is, the better the quality of gasoline is. ➢ Measuring method：研究法(RON)、马达法(MON) Research Octane Number（RON） Motor Octane Number （MON） Gasoline Parameter-Octane number
Diesel Parameter----Cetane NumbertheNumber is theofCetaneparameterpyrophoric performance of dieselCetane number of diesel oil is 40-45
⚫ Cetane Number is the parameter of the pyrophoric performance of diesel. ⚫ Cetane number of diesel oil is 40-45. Diesel Parameter-Cetane Number
Diesel labelDiesel labelis based on the freezing point ofdiesel5#: >8℃8℃~4℃0#:一10#:4℃~一5℃20#: 一5℃~一14℃一35#: -14℃~一29℃50#:一29℃~一44℃
5＃: >8℃ 0＃: 8℃~4℃ －10＃: 4℃~－5℃ －20＃: －5℃~－14℃ －35＃: －14℃~－29℃ －50＃: －29℃~－44℃ Diesel label is based on the freezing point of diesel Diesel label