1、精馏塔的模拟计算 本课程设计采用ChemCAD 计算机模拟计算法进行计算，拟合精度达到 1*10-4。工艺流程各操作单元参数 Stream No. 1 2 3 4 Stream Name Temp C 25.0000* 25.0000* 95.8405 95.7242* Pres atm 1.0000* 1.0000* 1.0000 1.0000 Enth MJ/h -951.52 -51552. -5.6297E+005 -5.6393E+005 Vapor mole fraction 0.00000 0.00000 0.00000 0.00000 Total kmol/h 3.3306 213.4372 2008.2902 2011.6210 Total kg/h 60.0000 8333.3299 36195.1970 36255.1987 Total std L m3/h 0.0600 10.4212 36.2100 36.2701 Total std V m3/h 74.65 4783.91 45013.11 45087.76 Flowrates in kg/h Acetone 0.0000 3333.3296 0.0000 0.0000 Methanol 0.0000 5000.0005 36.1952 36.1952 Water 60.0000 0.0000 36159.0017 36219.0035 Stream No. 5 6 7 8 Stream Name Temp C 99.0000* 99.8882* 56.0525 89.8933 Pres atm 1.0000* 1.0000* 1.0000 1.0000 Enth MJ/h -5.6343E+005 -5.6236E+005 -14536. -6.0069E+005 Vapor mole fraction 0.00000 0.00000 0.00000 0.00000 Total kmol/h 2011.6210 2008.2906 59.1571 2165.8639 Total kg/h 36255.1987 36195.2005 3344.0874 41243.7686 Total std L m3/h 36.2701 36.2101 4.1794 42.5112 Total std V m3/h 45087.76 45013.12 1325.93 48544.91 Flowrates in kg/h Acetone 0.0000 0.0000 3292.0864 41.2437 Methanol 36.1952 36.1952 16.9302 5019.2636 Water 36219.0035 36159.0052 35.0707 36183.261 Stream No. 9 10 Stream Name Temp C 55.0000* 64.4438 Pres atm 1.0000* 1.0000 Enth MJ/h -50934. -37190. Vapor mole fraction 0.00000 0.00000 Total kmol/h 213.4372 157.5737 Total kg/h 8333.3299 5048.5748 Total std L m3/h 10.4212 6.3011 Total std V m3/h 4783.91 3531.80 Flowrates in kg/h Acetone 3333.3296 41.2437 Methanol 5000.0005 4983.0692 Water 0.0000 24.2614 溶剂回收塔各塔板参数 Stage # 1 64.44 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 0.00000 329.95453 0.00000 Methanol 0.00000 39864.58594 0.00000 Water 0.00000 194.09132 0.00000 Total kg/h 0.0000 40388.6336 Stage # 2 64.74 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 371.19821 132.77585 2.47777 Methanol 44847.66016 39341.55469 1.01033 Water 218.35275 482.83313 0.40081 Total kg/h 45437.2124 39957.1610 Stage # 3 65.21 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 174.01953 61.50703 2.49911 Methanol 44324.62500 38018.24609 1.02983 Water 507.09451 1114.15576 0.40203 Total kg/h 45005.7397 39193.9103 Stage # 4 66.19 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 102.75072 35.19514 2.55944 Methanol 43001.30859 35104.56250 1.07389 Water 1138.41724 2473.47681 0.40349 Total kg/h 44242.4784 37613.2366 Stage # 5 68.37 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 76.43884 23.41354 2.81769 Methanol 40087.62891 29050.17969 1.19099 Water 2497.73804 5288.34131 0.40764 Total kg/h 42661.8047 34361.9325 Stage # 6 73.29 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 64.65723 12.85006 4.23395 Methanol 34033.24609 18041.87305 1.58729 Water 5312.60254 10440.48730 0.42817 Total kg/h 39410.5042 28495.2113 Stage # 7 82.87 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 54.09376 3.63670 12.48286 Methanol 23024.94141 6221.91357 3.10563 Water 10464.74902 16160.96191 0.54342 Total kg/h 33543.7830 22386.5110 Stage # 8 92.32 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 44.88040 4.15564 28.10421 Methanol 11204.98145 5309.45703 5.49178 Water 16185.22363 55561.84766 0.75804 Total kg/h 27435.0862 60875.4626 Stage # 9 96.58 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 4.15560 0.29416 37.04210 Methanol 5273.26123 2027.50854 6.81955 Water 19402.84766 57512.15625 0.88460 Total kg/h 24680.2638 59540.0000 Stage # 10 98.75 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 0.29412 0.01830 42.01318 Methanol 1991.31323 688.54828 7.55951 Water 21353.15820 58354.55078 0.95648 Total kg/h 23344.7656 59043.1195 Stage # 11 99.60 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 0.01826 0.00108 44.01678 Methanol 652.35303 216.26776 7.85867 Water 22195.55078 58660.11719 0.98578 Total kg/h 22847.9225 58876.3853 Stage # 12 99.89 C 1.00 atm Vap kg/h Liq kg/h Y/X Acetone 0.00104 0.00004 44.71781 Methanol 180.07257 36.19520 7.96349 Water 22501.11523 36159.00000 0.99608 Total kg/h 22681.1901 36195.1934 溶剂回收塔各板物性参数 LIQUID Actual Actual Thermal Surface Average vol rate density viscosity conduct. tension Stg kg/h mol wt m3/h kg/m3 Pa-sec W/m-K N/m 1 40389 32.04 53.81 750.59 0.0003 0.189 0.019 2 39957 31.79 53.16 751.63 0.0003 0.191 0.019 3 39194 31.37 51.98 754.07 0.0003 0.193 0.019 4 37613 30.49 49.50 759.79 0.0003 0.200 0.020 5 34362 28.62 44.40 773.97 0.0004 0.217 0.022 6 28495 24.93 35.09 812.06 0.0004 0.274 0.028 7 22387 20.51 25.20 888.37 0.0003 0.441 0.042 8 60875 18.73 65.07 935.50 0.0003 0.588 0.053 9 59540 18.29 62.73 949.11 0.0003 0.640 0.056 10 59043 18.11 61.84 954.84 0.0003 0.663 0.058 11 58876 18.04 61.53 956.88 0.0003 0.672 0.058 12 36195 18.02 37.80 957.56 0.0003 0.675 0.059 Stg Liq H MJ/h 1 -2.9752e+005 2 -2.9735e+005 3 -2.9718e+005 4 -2.9687e+005 5 -2.9626e+005 6 -2.9571e+005 7 -2.9781e+005 8 -9.041e+005 9 -9.0955e+005 10 -9.124e+005 11 -9.1352e+005 12 -5.6236e+005 溶剂回收塔各塔板蒸汽参数 VAPOR Actual Actual Thermal Average vol rate density viscosity conduct. Compr. Stg kg/h mol wt m3/h kg/