【正文】 (iButane) 0 Mole Frac (nButane) 0 Mole Frac (iPentane) 0 0 0 Mole Frac (nPentane) 0 0 0 Mole Frac (nHeptane) 0 0 0 Mole Frac (Nitrogen) Unit C2out btm 7 Mole Frac (Methane) 0 Mole Frac (Ethane) Mole Frac (Propane) Mole Frac (iButane) 0 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 21 Mole Frac (nButane) 0 Mole Frac (iPentane) 0 0 Mole Frac (nPentane) 0 0 Mole Frac (nHeptane) 0 0 Mole Frac (Nitrogen) 0 0 Unit 9 19 20 Mole Frac (Methane) 0 Mole Frac (Ethane) Mole Frac (Propane) Mole Frac (iButane) Mole Frac (nButane) Mole Frac (iPentane) 0 0 Mole Frac (nPentane) 0 0 Mole Frac (nHeptane) 0 0 Mole Frac (Nitrogen) 0 0 Unit 5 1 18 Mole Frac (Methane) Mole Frac (Ethane) Mole Frac (Propane) Mole Frac (iButane) Mole Frac (nButane) Mole Frac (iPentane) 0 0 Mole Frac (nPentane) 0 0 Mole Frac (nHeptane) 0 0 Mole Frac (Nitrogen) Unit 21 Mole Frac (Methane) Mole Frac (Ethane) Mole Frac (Propane) Mole Frac (iButane) Mole Frac (nButane) Mole Frac (iPentane) 0 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 22 Mole Frac (nPentane) 0 Mole Frac (nHeptane) 0 Mole Frac (Nitrogen) 表 282 物料摩爾分?jǐn)?shù)表 Unit feed 2 3 Vapour Fraction 0 0 0 Temperature ℃ 162 162 Pressure kPa 800 800 1920 Molar Flow kgmole/h Mass Flow kg/h 228300 228300 228300 Liquid Volume Flow m3/h Heat Flow kJ/h 1130542932 1130542932 1129833203 Unit 4 8 10 Vapour Fraction 1 0 Temperature ℃ 162 Pressure kPa 800 1790 3000 Molar Flow kgmole/h 0 Mass Flow kg/h 0 228300 Liquid Volume Flow m3/h 0 Heat Flow kJ/h 0 1061504877 Unit 11 13 14 Vapour Fraction 0 0 0 Temperature ℃ Pressure kPa 1790 3140 Molar Flow kgmole/h Mass Flow kg/h Liquid Volume Flow m3/h Heat Flow kJ/h 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 23 Unit 15 16 6 Vapour Fraction 0 1 1 Temperature ℃ 120 120 Pressure kPa 1490 1490 1790 Molar Flow kgmole/h 0 Mass Flow kg/h 0 Liquid Volume Flow m3/h 0 Heat Flow kJ/h 0 Unit 12 17 vent Vapour Fraction 0 0 1 Temperature ℃ Pressure kPa 1790 3100 Molar Flow kgmole/h Mass Flow kg/h Liquid Volume Flow m3/h Heat Flow kJ/h 470033787 Unit C2out btm 7 Vapour Fraction 0 0 Temperature ℃ Pressure kPa 2620 2660 Molar Flow kgmole/h Mass Flow kg/h Liquid Volume Flow m3/h Heat Flow kJ/h Unit 9 19 20 Vapour Fraction 0 0 0 Temperature ℃ 45 20 Pressure kPa 2660 2620 Molar Flow kgmole/h 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 24 Mass Flow kg/h Liquid Volume Flow m3/h Heat Flow kJ/h 76564270 Unit 5 1 18 Vapour Fraction 0 0 Temperature ℃ Pressure kPa 1850 Molar Flow kgmole/h Mass Flow kg/h 228300 100 Liquid Volume Flow m3/h Heat Flow kJ/h 1089110583 Unit 21 Vapour Fraction 0 Temperature ℃ Pressure kPa Molar Flow kgmole/h Mass Flow kg/h 100 Liquid Volume Flow m3/h Heat Flow kJ/h 表 283 材料物流性質(zhì)表 影響因素分析 工藝單元的最優(yōu)溫度和壓力 調(diào)整模塊是一個(gè)邏輯運(yùn)算工具。通過(guò)變化一個(gè)物流變量的值（自變量 /調(diào)整變量）以滿足其它物流或模塊 的要求值或規(guī)定值（因變量 /目標(biāo)變量）。自動(dòng)反復(fù)地做試差，調(diào)整自變量直到因變量滿足用戶規(guī)定的目標(biāo)值。 因此對(duì)于兩個(gè)冷箱的進(jìn)出口溫度的調(diào)節(jié)來(lái)找出最優(yōu)產(chǎn)量。如圖做三個(gè) case study 來(lái)通過(guò)查看變量關(guān)系找出最優(yōu)條件。 如圖 Case study 1 以物流 5和 8 的溫度為自變量來(lái)計(jì)算物流 6和 20的質(zhì)量流量 。 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 25 圖 Case study 1 計(jì)算過(guò)程如下表 29 state 5Temperature [℃ ] 8Temperature [℃ ] 6Mass Flow [kg/h] 20Mass Flow [kg/h] State 1 145 State 2 145 State 3 145 State 4 145 106 State 5 145 State 6 145 State 7 145 State 8 145 State 9 145 105 State 10 State 11 State 12 State 13 106 State 14 State 15 State 16 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 26 State 17 State 18 105 State 19 144 State 20 144 State 21 144 State 22 144 106 State 23 144 State 24 144 State 25 144 State 26 144 State 27 144 105 State 28 State 29 State 30 State 31 106 State 32 State 33 State 34 State 35 State 36 105 State 37 143 State 38 143 State 39 143 State 40 143 106 State 41 143 State 42 143 State 43 143 State 44 143 State 45 143 105 State 46 State 47 State 48 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 27 State 49 106 State 50 State 51 State 52 State 53 State 54 105 State 55 142 State 56 142 State 57 142 State 58 142 106 State 59 142 State 60 142 State 61 142 State 62 142 State 63 142 105 State 64 State 65 State 66 State 67 106 State 68 State 69 State 70 State 71 State 72 105 State 73 141 State 74 141 State 75 141 State 76 141 106 State 77 141 State 78 141 State 79 141 State 80 141 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 28 State 81 141 105 State 82 State 83 State 84 State 85 106 State 86 State 87 State 88 State 89 State 90 105 State 91 140 State 92 140 State 93 140 State 94 140 106 State 95 140 State 96 140 State 97 140 State 98 140 State 99 140 105 State 100 State 101 State 102 State 103 106 State 104 State 105 State 106 State 107 State 108 105 State 109 139 State 110 139 State 111 139 State 112 139 106 西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文） 29 State 113 139 State 114 139 State 115 139 State 116 139 State 117 139 105 State 118 State 119 State 120 State 121 106 State 122 State 123 State 124 State 125 State 126 105 State 127 138 State 128 138 State 129 138 State 13