物料与能量衡算说明书.doc
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1、附录1 物料与能量衡算说明书1.1.1 环氧丙烷环氧化第一工段反应器R01001物料衡算丙烯、丙烷溶解在甲醇中与双氧水一起进入闪蒸罐提浓预热后进入R01001和R01002反应后经加料泵送入T0101和T0102精馏塔中进行粗提纯。R01001和R01002反应投料和反应条件相同。以R01001为例说明环氧丙烷环氧化第一工段反应器物料衡算如表1-1所示。环氧丙烷环氧化第一工段Aspend模拟示意图:图1-1 Aspend模拟示意图表1-1 环氧丙烷环氧化第一工段Aspend模拟图 C1-BOTC1-TOPFEED1R1-OUTSubstream: MIXED Solid Frac0.00 0.
2、00 0.00 0.00 Enthalpy kcal/mol-66.76 -21.34 -32.57 -38.05 Enthalpy kcal/kg-3377.22 -547.90 -1023.33 -1193.10 Enthalpy Gcal/hr-37.91 -20.81 -50.35 -58.70 Mole Flow kmol/hr C3H60.00 529.65 685.18 529.65 C3H80.00 42.40 42.40 42.40 C3H6O0.00 152.43 0.00 152.43 CH4O48.26 32.17 82.92 80.43 H2O509.93 218.5
3、4 573.55 728.47 H2O26.48 0.00 162.01 6.48 C4H10O22.49 0.00 0.00 2.49 C3H8O20.61 0.00 0.00 0.61 Mole Frac C3H60.00 0.54 0.44 0.34 C3H80.00 0.04 0.03 0.03 C3H6O0.00 0.16 0.00 0.10 CH4O0.08 0.03 0.05 0.05 H2O0.90 0.22 0.37 0.47 H2O20.01 0.00 0.10 0.00 C4H10O20.000.000.00 0.00 C3H8O20.00 0.00 0.00 0.00
4、Mass Flow kg/hr C3H60.00 22288.15 28832.96 22288.15 C3H80.00 1869.71 1869.71 1869.71 C3H6O0.00 8853.11 0.00 8853.11 CH4O1546.34 1030.89 2656.96 2577.23 H2O9186.46 3937.06 10332.63 13123.52 H2O2220.43 0.00 5510.74 220.43 C4H10O2224.27 0.00 0.00 224.27 C3H8O246.58 0.00 0.00 46.58 Mass Frac C3H60.00 0.
5、59 0.59 0.45 C3H80.00 0.05 0.04 0.04 C3H6O0.00 0.23 0.00 0.18 CH4O0.14 0.03 0.05 0.05 H2O0.82 0.10 0.21 0.27 H2O20.02 0.00 0.11 0.00 C4H10O20.02 0.00 0.00 0.00 C3H8O20.00 0.00 0.00 0.00 Total Flow kmol/hr567.77 975.20 1546.06 1542.96 Total Flow kg/hr11224.08 37978.92 49203.00 49203.00 Total Flow cum
6、/hr11.98 65.00 75.63 73.81 表1-2 环氧丙烷冷凝器出口物料表 C1-BOTC1-TOPFEED1R1-OUTSubstream: MIXED Solid Frac0.00 0.00 0.00 0.00 Enthalpy kcal/mol-66.76 -21.34 -32.57 -38.05 Enthalpy kcal/kg-3377.22 -547.90 -1023.33 -1193.10 Enthalpy Gcal/hr-37.91 -20.81 -50.35 -58.70 Mole Flow kmol/hr C3H60.00 529.65 685.18 529.
7、65 C3H80.00 42.40 42.40 42.40 C3H6O0.00 152.43 0.00 152.43 CH4O48.26 32.17 82.92 80.43 H2O509.93 218.54 573.55 728.47 H2O26.48 0.00 162.01 6.48 C4H10O22.49 0.00 0.00 2.49 C3H8O20.61 0.00 0.00 0.61 Mole Frac C3H60.00 0.54 0.44 0.34 C3H80.00 0.04 0.03 0.03 C3H6O0.00 0.16 0.00 0.10 CH4O0.08 0.03 0.05 0
8、.05 H2O0.90 0.22 0.37 0.47 H2O20.01 0.00 0.10 0.00 C4H10O20.000.000.00 0.00 C3H8O20.00 0.00 0.00 0.00 Mass Flow kg/hr C3H60.00 22288.15 28832.96 22288.15 C3H80.00 1869.71 1869.71 1869.71 C3H6O0.00 8853.11 0.00 8853.11 CH4O1546.34 1030.89 2656.96 2577.23 H2O9186.46 3937.06 10332.63 13123.52 H2O2220.4
9、3 0.00 5510.74 220.43 C4H10O2224.27 0.00 0.00 224.27 C3H8O246.58 0.00 0.00 46.58 Mass Frac C3H60.00 0.59 0.59 0.45 C3H80.00 0.05 0.04 0.04 C3H6O0.00 0.23 0.00 0.18 CH4O0.14 0.03 0.05 0.05 H2O0.82 0.10 0.21 0.27 H2O20.02 0.00 0.11 0.00 C4H10O20.02 0.00 0.00 0.00 C3H8O20.000.000.000.00Total Flow kmol/
10、hr567.77975.201546.061542.96Total Flow kg/hr11224.0837978.9249203.0049203.00Total Flow cum/hr11.9865.0075.6373.811.1.2 环氧丙烷环氧化第二工段反应器R01003物料衡算由T0101和T0102粗精馏后的双氧水和丙烯、丙烷作为原料进入R01003反应后产物经加料泵P0103送入环氧丙烷精馏塔精馏。物料衡算表如R01003物料衡算1-4表所示。环氧丙烷环氧化第二工段Aspend模拟示意图:图1-2 环氧丙烷环氧化第二工段Aspend模拟表1-4 R01003物料衡算C3-BOTC3
11、-TOPFEED3R3-OUTTemperature50.0050.0060.0050.00Pressure bar1.001.001.001.00Vapor Frac0.000.870.570.54Liquid Frac1.000.130.430.46Solid Frac0.000.000.000.00Substream:MIXEDMole Flow kmol/hrC3H60.00132.41171.30132.41C3H80.0010.6010.6010.60C3H6O0.0038.110.0038.11CH4O12.068.0420.7320.11H2O127.4854.63143.39
12、182.12H2O21.620.0040.501.62C4H10O20.620.000.000.62C3H8O20.150.000.000.15Mole FracC3H60.000.540.440.34C3H80.000.040.030.03C3H6O0.000.160.000.10CH4O0.080.030.050.05H2O0.900.220.370.4H2O20.010.000.100.00C4H10O20.000.000.000.00C3H8O20.000.000.000.00Mass Flow kg/hrC3H60.005572.047208.245572.04C3H80.00467
13、.43467.43467.43C3H6O0.002213.280.002213.28CH4O386.58257.72664.24644.31H2O2296.62984.262583.13280.88H2O255.110.001377.6855.11C4H10O256.070.000.0056.07C3H8O211.60.000.0011.65Mass FracC3H60.000.590.590.45C3H80.000.050.040.04C3H6O0.000.230.000.18CH4O0.140.030.050.05 H2O0.820.100.210.27H2O20.020.000.110.
14、00C4H10O20.020.000.000.00C3H8O20.000.000.000.00TotalF lowkmol/hr141.94243.80386.52385.74Total Flow kg/hr2806.029494.7312300.7512300.75Total Flow cum/hr3.005668.406107.655594.841.1.3 产品精馏塔T02002物料衡算经环氧化反应的产物经过T0101和T0102蒸馏塔粗精馏浓缩后经加料泵送入T201精馏塔精馏后送入产品精馏塔精馏得环氧丙烷质量分数为99%以上的环氧丙烷产品。精馏塔T02002物料衡算如表1-3所示。产品精
15、馏塔Aspend模拟示意图:图1-3 产品精馏塔示意图表1-5精馏塔T02002物料衡算DD1FWTemperature C25.00 25.00 60.00129.64Pressure bar0.800.804.008.28Vapor Frac0.001.000.000.00Liquid Frac1.000.001.001.00Solid Frac0.000.000.000.00Density kmol/cum14.150.0316.1120.29Substream: MIXEDMole Flow kmol/hrC3H63.270.323.590.00C3H80.300.020.320.00
16、C3H6O356.382.62361.602.59CH4O0.890.00228.69227.80H2O0.000.002.222.22Mole FracC3H60.010.110.010.00C3H80.000.010.000.00C3H6O0.990.880.610.01CH4O0.000.000.380.98H2O0.000.000.000.01Mass Flow kg/hrC3H6137.5713.66151.230.00C3H813.181.0914.270.00C3H6O20698.85152.1921001.52150.47CH4O28.590.057327.707299.07H
17、2O0.000.0039.9539.95Mass FracC3H60.010.080.010.00C3H80.000.010.000.00C3H6O0.990.910.740.02CH4O0.000.000.260.97H2O0.000.000.000.01Total Flow kmol/hr360.852.97596.42232.60Total Flow kg/hr20878.18167.0028534.677489.49Total Flow cum/hr25.5090.2537.0211.46Density kg/cum818.891.85770.69653.281.1.4 甲醇精馏塔T0
18、3001物料衡算经过相分离器将R03001双氧水分解器分解双氧水后的混合物把氢气和氧气与甲醇分离。将分离后的液相送入经加料泵送入T03001精馏提纯甲醇后去溶解混合丙烯成为原料进入闪蒸罐预热进入反应器反应。图1-4 甲醇精馏塔Aspend模拟示意图表1-6 甲醇精馏塔物料衡算DFWTemperature C63.4467.3099.22Pressure bar1.001.001.00Vapor Frac0.000.000.00Liquid Frac1.001.001.00Solid Frac0.000.000.00Enthalpy kcal/mol-55.80-59.93-66.92Entha
19、lpy kcal/kg-1719.97-2185.26-3695.09Enthalpy Gcal/hr-13.58-22.44-8.77Entropy cal/mol-K-54.74-47.53-35.03Entropy cal/gm-K-1.69-1.73-1.93Substream: MIXEDMole Flow kmol/hrC3H60.000.000.00C3H80.000.000.00C3H6O2.592.590.00CH4O239.72240.010.29H2O0.43131.04130.61H2O20.000.000.00C4H10O20.620.620.00C3H8O20.00
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