附录二物料平衡计算书

1、目录概述11234物料物料原理2任务3系统物料4异丁烯氧化工段4异丁烯氧化反应器5MAL 分离工段6急冷塔7MAL 精馏塔8氧化酯化工段9氧化酯化反应器10甲醇回收塔11MMA 纯化工段13油水分离器14MMA 提馏塔15水回收塔16总结1851 概述本项目以来自园区异丁烷脱氢项目生产的异丁烯为原料，通过异丁烯氧化、MAL 分离、氧化酯化、MMA 分离工段得到 99.9wt%的优等甲基丙烯酸甲酯 MMA产品。设计过程中利用 Aspen Plus 对全流程进行模拟，并在此基础上完成物料衡算、能量，Aspen plus 模拟流程如图 1-1 所示。图 1-1MMA 生产全流程模拟图本流程发生化学反

2、应的工段主要是异丁烯氧化工段、氧化酯化工段。本厂所需主要设备有精馏塔、反应器、分离器、换热器、压缩机、泵、储罐等，涉及到的物料主要有异丁烯、O2、甲基丙烯醛、甲醇、甲基丙烯酸甲酯等，输入整个生产系统的能量主要有电能、加热介质带入的能量和进入物料的焓，输出的能量有冷却剂带走的能量和输出物料的焓。2 物料原理系统的物料质量守恒为理论基础，研究某一系统内进出物料量及组成的变化，即：系统累计的质量输入系统的质量输出系统的质量反应生成的质量反应消耗的质量假设系统无泄漏，有：当系统无化学反应发生时，有：在稳定状态下，有：注：进入系统的物料流率；流出系统的物料流率；反应产生物料速率；反应消耗物料速率。3 物

3、料任务通过对系统整体以及部分主要单元的详细物料，得到主、副产品的产量，原料的消耗量，“三废”的排放量以及最后产品的质量指标等关键经济技术指标，对所选工艺路线、设计流程进行定量评述，为后阶段的设计提供依据。4系统物料4.1异丁烯氧化工段图 4-1异丁烯氧化工段工艺流程图表 4-1异丁烯氧化工段物料表INOUTMaterial FlowTemperature CC4H8 2511AIR 2511H21-C21 3050.748.43937827.673363.55-17.747Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume F

4、low l/min8977.20366104.47-0.65328850.4413152.9 -0.001EnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2H2O8977.203241.61310162.86257.617199.161152.046124.241506.8331153.0722130.652899.5076719.74822130.65Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2H2O10.0060.2690.0070.0050.004

5、0.0030.0130.030.5850.0770.2330.7674.1.1异丁烯氧化反应器表 4-2异丁烯氧化反应器物料表INOUTMaterial FlowTemperature CH11-R11 2502.71116037827.6311455.81.892R11-CP12 3302.711163.43937827.6360148-11.573Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3

6、CHO COCO2 O2 N2H2O8977.203241.6110162.87257.617199.161152.046124.242506.8331153.06822130.652899.5086719.74822130.65Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2O20.2370.0060.2690.0070.0050.0040.0030.0130.030.178N2H2O0.5850.5850.0774.2 MAL分离工段图 4-2 MAL 分离工段工艺流程图表 4-3 MAL 分离工段物料表INOUTMaterial FlowTempe

7、rature CH21-C21 3050.7481163.43937827.673363.55-17.747H2O-1 5502805044.27882.988-19.212CH3OH-1 253099.868320067.262-5.687MAL 301.10270.81314145.85287.841-12.181WG21 8051829.48523582.0581184.61-1.053WG22 301.1114.187518.6555417.738-0.246WW21 102.950426.637825.321142.801-28.645Prere barVapor Frac Mole

8、 Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3241.61310162.86257.617207.63410047.25252.934trace 0.007trace33.979115.4734.682trace 0.131traceCH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH199.161152.046124.241506.8331153.0722130.652899.5070.003142.2950.03921.280.6216.1142

9、97.8293169.8470.104tracetrace 9.7511.44164.34617.923240.0890.85730.113199.054trace trace trace trace trace 7626.0970.039614.0891064.40521884.4518.9960.0015044.2783200Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH0.0060.2690.0070.0050.0040.0030.0130.030.5850.0770.0150.710.018200 PPB0.013

10、 PPM0.00244 PPM432 PPM0.0210.224trace 303 PPBtrace 4 PPMtrace0.0660.2230.0097 PPB0.0190.0030.1240.0350.4630.0020.058trace 17 PPMtrace 0.025trace trace trace trace trace 0.9755 PPM0.0260.0450.928806 PPM41 PPB114.2.1 急冷塔表 4-4急冷塔物料表INOUTMaterial FlowTemperature CH21-C21 3050.7421163.91937827.672842.24-

11、18.359H22-C21 0502006.3436710.96601.798-138.411C21-V21 15.24.81102343.05651079.62889.13-155.399C21-R21 0.14.81827.20223458.9465265.52-1.372Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2N245.7610340.19258.141202.

12、133189.614124.494594.954960.34722130.65trace 0.584trace 808.104trace trace trace tracetrace45.7610340.77258.1411010.132189.6141.51102.67715.731250.619trace 0.008trace 0.104trace 122.985492.276944.61621880.03H2OCH3OH2981.31935902.10.16738864.50.16618.9210.001Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COC

13、O2 O2 N2 H2OCH3OH0.0010.2730.0070.0050.0050.0030.0160.0250.5850.079trace 16 PPMtrace 0.022trace trace trace trace trace 0.9785 PPM896 PPM0.2020.0050.020.00430 PPM0.002308 PPM0.0050.7613 PPMtrace 334 PPBtrace 4 PPMtrace 0.0050.0210.040.933807 PPM44 PPB4.2.2 MAL 精馏塔表 4-5MAL 精馏塔物料表INOUTMaterial FlowTem

14、perature CP22-C22 15.95.102418.15253791.11949.786-159.254MAL 301.10270.81314145.85287.841-12.181C22-P23 102.71.1102133.15239126.6713.873-143.231WG22 301.1114.187518.6555417.738-0.246Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COO

15、H CH3CHO COCO2 O2 N2 H2OCH3OH241.61310163.38257.617995.275152.0461.4885.62718.544246.20338429.173200.154207.63410047.25252.9340.003142.2950.03921.280.6216.114297.8293169.847trace 0.656trace 995.272trace trace trace trace trace 38130.480.19433.979115.4734.682trace 9.7511.44164.34617.923240.0890.85730

16、.113Mass FracIB MALCH3COCH30.0040.1890.0050.0150.710.018trace 17 PPMtrace0.0660.2230.009CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH0.0190.00328 PPM0.002345 PPM0.0050.7140.059200 PPB0.013 PPM0.00244 PPM432 PPM0.0210.2240.025trace trace trace trace trace 0.9755 PPM7 PPB0.0190.0030.1240.0350.4630.0020.0584.3氧化

17、酯化工段图 4-3氧化酯化工艺流程表 4-6 氧化酯化工段物料表INOUTMaterial FlowTemperature CMAL 301.10270.81314145.85287.841-12.181CH3OH-2 251.1090028837.94606.154-51.247INHIBIT 251.100.11414.20.206-0.009O2 251.111003199.8837559.36 -0.001C31-M41 83.91.30443.59320993.67409.751-31.709RECOV-1 56.21.20740.42824469.58537.207-41.952W

18、G31 201.1120.243733.3157475.581-0.459Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3CH3COOH207.63410047.25252.9340.003trace 252.1820.320.003180.7621.522251.431trace26.8710.0851.183traceCH3CHO CO CO2 O2N2 H2O CH3OH MMA MF C3H6P-MET142.29

19、50.03921.280.6216.114297.8293169.847trace trace trace trace trace 3414.4813648.38713664.1tracetrace 14.2134.7410.00118.2017.3170.0960.06622747.24trace 1065.72962.477trace7.5530.038145.712373.0746.0170.31466.7610.29731.50173.9083199.8828837.9414.2Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2O

20、CH3OH MMA MF C3H6P-MET0.0150.710.018200 PPB0.013 PPM0.00244 PPM432 PPM0.0210.224trace 0.01215 PPM135 PPBtrace trace trace trace trace 0.1630.1740.651trace trace676 PPM0.00762 PPM0.01trace 0.00626 PPB744 PPM299 PPM4 PPM3 PPM0.93trace 0.0440.003trace0.037116 PPM0.002trace 0.0152 PPM0.1990.5090.008428

21、PPM0.091405 PPM0.0430.101111注：P-MET 为对甲氧基苯酚4.3.1 氧化酯化反应器表 4-7 氧化酯化反应器INOUTMaterial FlowTemperature CM31-R31 42.51.10.0394232.52414406269330.38-231.234R31-F31 9031114.4093951.80619191.19-5R31-M32 90304051.493140110.23195.286-232.646Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/mi

22、nEnlpyGcal/hrMass Flow kg/hrIB930.68193.626837.055MAL CH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-MET10053.341258.6590.003681.2610.04294.0833229.7686.498298.095122996.8 0.0014262.916249.907trace3.62529.789trace 48.010.039158.859375.9286.05239.7492728.58164.921290.772111.856256.2421228.

23、870.003633.2510.00377.86133.7280.4463375.395114724.213599.495069.26274.436Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-MET0.0060.070.00920 PPB0.005288 PPB653 PPM0.02245 PPM0.0020.854trace 0.030.002trace0.024917 PPM0.0082 PPB0.01210 PPM0.040.0950.0020.010.690.0160.0740.028

24、0.0060.0020.009PPB0.005PPB556 PPM241 PPM3 PPM0.0240.8190.0970.0360.0024.3.2 甲醇回收塔表 4-8甲醇回收塔物料表INOUTMaterial FlowTemperature CP31-C31 30204145.731143341.62952.529-244.619C31-FS31 56.21.203702.138122347.92686.034-209.758C31-M41 83.91.30443.59320993.67409.751-31.709Prere barVapor Frac Mole Flow kmol/hr

25、 Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-MET903.808259.791257.4760.003673.7070.00391.00336.5830.4813414.812117384.613664.15328.644312.38314.2903.8087.6091257.156trace 673.7070.00391.00336.5830.4810.331113736.2 0.00153

26、28.644312.383tracetrace 252.1820.320.003trace trace trace trace trace 3414.4813648.38713664.1trace trace14.2Mass FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-MET0.0060.0020.00920 PPB0.00522 PPB635 PPM255 PPM3 PPM0.0240.8190.0950.0370.00299 PPM0.00762 PPM0.01trace 0.00626 PPB74

27、4 PPM299 PPM4 PPM3 PPM0.93trace 0.0440.003tracetrace 0.01215 PPM135 PPBtrace trace trace trace trace 0.1630.1740.651trace trace676 PPM4.4 MMA纯化工段图 4-4MMA 纯化工段工艺流程图表 4-9MMA 纯化工段物料表INOUTMaterial FlowTemperature CC31-M41 83.91.30MMA 2510RECOV-2 76.51.10WG41 91.81.21WW41 102.31.10Prere barVapor Frac Mol

28、e Flow kmol/hrMass Flow kg/hr Volume Flowl/min443.593126.728241.8446.18768.83220993.6712686.256667.533400.1311240.232409.751225.461139.0932607.69122.57Enlpy-31.709-12.084-15.023-0.417-4.6Gcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3CHO COCO2O2trace 252.1820.320.003trace trace tracetrace0.22 0.001

29、0.002trace247.2370.306trace trace4.7280.013trace trace 0.001trace 0.001traceN2 H2O CH3OH MMA MF C3H6P-METtrace 3414.4813648.38713664.1trace trace 14.2trace 1.90812670.15trace2154.9513585.796679.243trace19.32560.823315.242trace1240.002 0.001trace trace13.971trace 0.0010.229Mass FracIB MALCH3COCH3 CH3

30、COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-METtrace 0.01215 PPM135 PPBtrace trace trace trace trace 0.1630.1740.651trace trace676 PPM17 PPMtrace 186 PPBtrace0.03746 PPMtrace trace0.01233 PPM19 PPBtrace13 PPBtrace 372 PPBtracetrace 150 PPM0.999trace0.3230.5380.102trace0.0480.1520.788trace1254 PPBt

31、race trace0.001trace421 PPB185 PPM4.4.1 油水分离器表 4-10油水分离器物料表INOUTMaterial FlowTemperature CH41-D41 501.201675.62871769.2151320.379-121.292D41-P41 501.2160930.16819069.85347.437-61.844D41-P42 501.2160745.4652699.35970.761-59.714Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlp

32、yGcal/hrMass Flow kg/hrIB MALCH3COCH3 CH3COOH CH3CHO COCO2trace 720.2361.620.008trace trace trace247.2370.3060.005trace472.9991.3130.003traceO2 N2 H2OCH3OH MMA MF C3H6P-METtracetrace 16487.4439670.05344873.581trace trace 16.27614554.973585.799679.243trace1932.4746084.25244194.32trace2.28813.988Mass

33、FracIB MALCH3COCH3 CH3COOH CH3CHO COCO2 O2 N2 H2OCH3OH MMA MF C3H6P-METtrace 0.0123 PPM107 PPBtrace trace trace trace trace 0.230.1350.625trace trace227 PPM0.01316 PPM242 PPBtrace0.00925 PPM59 PPBtrace0.7630.1880.036trace0.0370.1150.839trace120 PPM265 PPM4.4.2 MMA 提馏塔表 4-11 MMA 提馏塔物料表INOUTMaterial F

34、lowTemperature CP42-C42 501.2160745.4652699.35970.761-59.714C42-FS42 91.81.21618.73240013.1260769.1-41.718MMA 2510126.72812686.25225.461-12.084Prere barVapor Frac Mole Flow kmol/hr Mass Flow kg/hrVolume Flow l/minEnlpyGcal/hrMass Flow kg/hrMAL CH3COCH3 CH3COOH CH3CHOH2O472.9991.3130.003trace 1932.474472.7791.3130.001trace 1932.4740.22 0.0010.002trace traceCH3OH MMA MFP-MET6084.25244194.32trace 13.9886082.34431524.17trace 0.0171.90812670.15trace 13.971Mass FracMAL CH3COCH3 CH3COOH CH3CHO H2O CH3OH MMAMFP-MET0.00925 PPM59 PPBtrace