蘇丹黑格里格原油加工的油品性質(zhì)參數(shù)計(jì)算過(guò)程案例以重整原料油部分為例計(jì)算1.1蒸餾數(shù)據(jù)的轉(zhuǎn)化1.1.1實(shí)沸點(diǎn)蒸餾溫度→恩氏蒸餾溫度表3.1實(shí)沸點(diǎn)蒸餾數(shù)據(jù)餾出體積分?jǐn)?shù)，%01030507090100餾出溫度℃重整原料油1568.284.396.9124.9152.21683號(hào)航煤162173.7192.2208.0221.8234.0245-10號(hào)柴油235245.4256.0265.9275.2284.9297重柴油283297.7311.4325.0339.0354.5375原油—204.9373.0491.8626.0758.5—先假設(shè)恩氏蒸餾50%點(diǎn)溫度為96.6℃，然后查圖3-2-2[10]可得：差值為0.3℃，則實(shí)沸點(diǎn)蒸餾50%點(diǎn)的溫度為96.6+0.3=96.9℃，所以假設(shè)正確。查圖3-2-1[10]得恩氏蒸餾曲線各段溫差，如表3.2所示：表3.2恩氏蒸餾曲線各段溫差曲線線段實(shí)沸點(diǎn)蒸餾溫差，℃恩氏蒸餾溫差，℃0%~10%53.234.510%~30%16.18.230%~50%12.66.350%~70%28.020.070%~90%27.321.290%~100%15.813.9根據(jù)恩氏蒸餾50%點(diǎn)溫度=96.6℃，可得其他點(diǎn)的恩氏蒸餾溫度：30%點(diǎn)：96.6-6.3=90.3℃10%點(diǎn)：90.3-8.2=82.1℃0%點(diǎn)：82.1-34.5=47.6℃70%點(diǎn)：96.6+20.0=116.6℃90點(diǎn)：116.6+21.2=137.8℃100%點(diǎn)：137.8+13.9=151.7℃同理，用上述方法可得其余產(chǎn)品的恩氏蒸餾溫度，匯總于表3.3中：表3.3恩氏蒸餾數(shù)據(jù)產(chǎn)品恩氏蒸餾溫度，℃0%10%30%50%70%90%100%重整原料油47.682.190.396.6116.6137.8151.73號(hào)航煤177.9183.00192.5202.1211.1219.8233.8-10號(hào)柴油240.9245.3249.9255.8261.8268.9278.9重柴油289.2296.5303.4311.0320.2333.2351.3原油—173.3331.3441.2551.6647.4—1.1.2實(shí)沸點(diǎn)溫度→平衡汽化溫度根據(jù)實(shí)沸點(diǎn)蒸餾50%點(diǎn)溫度為96.9℃，實(shí)沸點(diǎn)蒸餾30%-10%=16.1℃。查圖6-12[11]得差值為1.8℃。所以平衡汽化50%點(diǎn)溫度為96.9+1.8=98.7℃。查圖6-13[11]，得平衡汽化曲線各段溫差，如表3.4所示：表3.4平衡汽化曲線各段溫差曲線線段實(shí)沸點(diǎn)蒸餾溫差，℃平衡汽化蒸餾溫差，℃0%~10%53.218.010%~30%16.15.230%~50%12.64.350%~70%28.012.270%~90%27.312.490%~100%15.85.0因50%點(diǎn)的平衡汽化溫度為98.7℃，所以可得其他點(diǎn)的平衡汽化溫度：30%點(diǎn)：98.7-4.3=94.4℃10%點(diǎn)：94.4-5.2=89.2℃0%點(diǎn)：89.2-18=71.2℃70%點(diǎn)：98.7+12.2=110.9℃90%點(diǎn)：110.9+12.4=123.3℃100%點(diǎn)：123.3+5.0=128.3℃同理，用上述方法可得其余產(chǎn)品的平衡汽化溫度，匯總于表3.5中：表3.5產(chǎn)品平衡汽化數(shù)據(jù)產(chǎn)品平衡汽化溫度，℃0%10%30%50%70%90%100%重整原料油71.289.294.498.7110.9123.3128.33號(hào)航煤195.3198.1204.3210.1216.1222.1227.5-10號(hào)柴油259.2261.4265.3269.1273.3277.7281.7重柴油316.1319.8324.3328.2334.3341.6347.8原油—272.3357.8431.8510.9577.6—1.2平均溫度的計(jì)算（1）體積平均沸點(diǎn)（2）恩氏蒸餾曲線10%~90%斜率S（3）實(shí)分子平均沸點(diǎn)根據(jù)恩氏蒸餾的曲線斜率和體積平均沸點(diǎn)，查圖3-2[11]可得，則（4）質(zhì)量平均沸點(diǎn)根據(jù)恩氏蒸餾的曲線斜率和體積平均沸點(diǎn)，查圖3-2[11]可得，則（5）立方平均沸點(diǎn)查圖3-2[11]可得，則（6）中平均沸點(diǎn)查圖3-2[11]可得，同理，其余餾分的平均溫度計(jì)算結(jié)果匯總于表3.6中表3.6油品的平均溫度油品，℃恩氏蒸餾10%~90%斜率，℃，℃，℃，℃重整原料油104.700.69697.50106.15102.58100.483號(hào)航煤201.700.460196.90202.24200.05199.20-10號(hào)柴油256.340.295253.14256.52254.94254.44重柴油312.860.459308.07312.33311.22310.38原油428.965.926320.46451.86403.86346.431.3求，比重指數(shù)API°由，查表1-2-28[10]可得：g/cm3同理，其余餾分的計(jì)算結(jié)果匯總于表3.7中：表3.7油品密度及比重指數(shù)產(chǎn)品，g/cm3，g/cm3比重指數(shù)重整原料油0.76280.767652.843號(hào)航煤0.81700.821540.75-10號(hào)柴油0.84480.849135.15重柴油0.86360.867831.56原油0.87960.883728.621.4求分子量M、特性因素K由，，查圖3-4[11]可得：K=11.41，M=96.14，其余油品的查圖結(jié)果匯總于表3.8中表3.8油品特性因數(shù)及相對(duì)分子質(zhì)量產(chǎn)品KM重整原料油11.4196.143號(hào)航煤11.54156.80-10號(hào)柴油11.58200.15重柴油11.62250.90原油11.65285.701.5求臨界性質(zhì)（1）求真臨界溫度、假臨界溫度因求定真假臨界溫度都需要用到華氏度（℉），所以需將溫度轉(zhuǎn)換方可查圖。結(jié)合API°=52.84，查圖4-2-2[10]得tc=562.50℉=294.72℃根據(jù)tm=97.5℃=207.50℉，API°=52.84，查圖4-2-2[10]得tc′=551.50℉=288.61℃（2）求假臨界壓力由tMe=100.48℃=212.86℉，API°=52.84，查圖4-2-4[10]得假臨界壓力為=31.64atm（3）求真臨界壓力Pc因求臨界壓力需用到列氏溫度，所以需對(duì)溫度進(jìn)行轉(zhuǎn)換方可查圖。tc=(562.50-32)/2.25=235.78列氏度tc′=(551.5-32)/2.25=230.89列氏度則，查圖4-2-3[10]得真臨界壓力為Pc=3.60MPa=35.52atm同理，其余餾分的臨界性質(zhì)算法同上，匯總于表3.9中。表3.9油品臨界性質(zhì)產(chǎn)品臨界溫度，℃臨界壓力，atm真臨界溫度假臨界溫度假臨界壓力pc′真臨界壓力pc重整原料油294.72288.6131.6435.523號(hào)航煤392.25387.7224.1627.08-10號(hào)柴油440.31437.8420.0120.48重柴油498.25490.8916.2618.71原油593.33504.4415.1734.571.6求焦點(diǎn)性質(zhì)（1）求焦點(diǎn)溫度t0由tv=104.7℃，S=0.696℃/%，查圖3-5-3[10]得：t0-tc=50℃，則焦點(diǎn)溫度為t0=tc+50=294.72+50=344.72℃（2）求焦點(diǎn)壓力由tv=104.7℃，S=0.696℃/%，查圖3-5-4[10]得：=19.3atm=1.9556MPa,則焦點(diǎn)壓力為P0=1.9556+Pc=5.8758MPa同理，其余餾分的焦點(diǎn)性質(zhì)算法同上，匯總于表3.10中。表3.10油品焦點(diǎn)性質(zhì)產(chǎn)品焦點(diǎn)溫度t0/℃焦點(diǎn)壓力P0/MPa重整原料油344.725.87583號(hào)航煤414.253.9892-10號(hào)柴油450.712.5305重柴油511.752.4829原油627.334.36411.7油品性質(zhì)參數(shù)計(jì)算結(jié)果匯總表3.11油品性質(zhì)參數(shù)1油品分子量恩氏蒸餾溫度，℃0%10%30%50%70%90%100%重整原料油96.1447.682.190.396.6116.6137.8151.73號(hào)航煤156.80177.9183.00192.5202.1211.1219.8233.8-10號(hào)柴油200.15240.9245.3249.9255.8261.8268.9278.9重柴油250.90289.2296.5303.4311.0320.2333.2351.3原油285.70—173.3331.3441.2551.6647.4—表3.12油品性質(zhì)參數(shù)2油品，℃恩氏蒸餾10%~90%斜率，℃，℃，℃，℃特性因數(shù)K重整原料油104.700.69697.50106.15102.58100.4811.413號(hào)航煤201.700.460196.90202.24200.05199.2011.54-10號(hào)柴油256.340.295253.14256.52254.94254.4411.58重柴油312.860.459308.07312.33311.22310.3811.62原油428.965.926320.46451.86403.86346.4311.65油品平衡汽化蒸餾溫度，℃臨界溫度，℃臨界壓力，atm0%10%30%50%70%90%100%重整原料油71.289.294.498.7110.9123.3128.3294.7235.523號(hào)航煤195.3198.1204.3210.1216.1222.1227.5392.2527.08-10號(hào)柴油259.2261.4265.3269.1273.3277.7281.7440.3120.48重柴油316.1319.8324.3328.2334.3341.6347.8498.2518.71原油—272.3357.8431.8510.9577.6—593.3334.57表3.13