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物料衡算目录物料衡算计算书11、概述12、物料衡算原理13、物料衡算目的和任务14、物料衡算表34.1流化床反应工段34.2侧车反应工段74.3气液分离工段124.4二氧化碳处理工段184.5醋酸乙烯酯精制工段234.6乙醛精制工段294.7冷冻站34广西投资集团年产33万吨醋酸乙烯酯项目物料衡算物料衡算计算书1、概述本公司为广西投资集团有限公司的一个分公司,年产33万吨醋酸乙烯酯,1460吨乙醛,建厂于先进绿色的钦州石化产业园区三墩循环经济示范岛,园区所在钦州港经济技术开发区为国家级开发区。本项目使用乙烯气相法制备醋酸乙烯酯,制备了高纯度的醋酸乙烯酯。本项目使用乙烯气相法制备醋酸乙烯酯,以乙烯和醋酸为原料,与氧气、氮气混合加成生成醋酸乙烯酯,经精馏分离可得到纯度为99.87%的醋酸乙烯酯。设计过程中利用AspenPlus对全流程进行模拟,并在此基础上完成物料衡算、能量衡算2、物料衡算原理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:dFdt=FIN-FOUT+GR-CR当系统无化学反应发生时,有:dFdt=FIN-FOUT在稳定状态下,有:dFdt=FIN-FOUT=0,FIN=FOUT注:FIN进入系统的物料流率;FOUT流出系统的物料流率;GR反应产生物料速率;CR反应消耗物料速率。3、物料衡算目的和任务工艺设计中,物料衡算是在工艺流程确定后进行的。目的是根据原料与产品之间的定量转化关系,计算原料的消耗量,各种中间产品、产品和副产品的产量,生产过程中各阶段的消耗量以及组成,进而为热量衡算、其他工艺计算及设备计算打基础。对于已有装置,物料衡算可以弄清原料的来龙去脉,找出生产中的薄弱环节,为改进生产、完善管理提供可靠的依据和明确方向,并可作为检查原料利用率及三废处理完善程度的一种手段。通过对系统整体以及部分主要单元的详细物料衡算,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。2广西投资集团年产33万吨醋酸乙烯酯项目物料衡算4、物料衡算表4.1流化床反应工段表4-1流化床反应工段入口物流物流编号010101040427052405310314相态Vapor PhaseLiquid PhaseLiquid PhaseVapor PhaseLiquid PhaseMixed温度()252588.87324182207.8597018120.206853319.93626969压力(bar)9.359.359.59.459.49.4总质量流量(kg/hr)16688.3908912980.3031122693.4002336625.249831450.752267266212.3885质量流量(kg/hr)乙烯16688.3908901374.67379200110984.2313醋酸012980.3031121018.39636513.95411449.209508101.1979178醋酸乙烯000.0288580110.0117908130.0855978660.659869775丙烯醛002.42E-061.26E-053.41E-237.45E-05醋酸甲酯000.0003154880.0003149653.05E-160.008489466醋酸乙酯002.28E-060.0046374351.4571610680.000521926乙醛000.2778592127.87E-09026.20707186乙二醇二乙酸酯003.11E-081.90706297300.002774029水0093.87343521109.371424101381.733889二氧化碳000.007470912008069.934458氧气0014.875556590010946.96053氮气00191.264088300134701.3864碳酸钾000001.33E-76DIETH-01000.0028537740.00048957400.06509322METHA-010002.94E-1101.18E-12DEA+000000氢离子000000钾离子000000DEACOO-000000氢氧根离子000000碳酸氢根离子000000碳酸根离子000000丙烯000000质量分率乙烯100.060575929000.416901076醋酸010.9261898080.9969612290.998936580.00038014醋酸乙烯001.27E-063.22E-075.90E-052.48E-06丙烯醛001.07E-103.45E-102.35E-262.80E-10醋酸甲酯001.39E-088.60E-092.10E-193.19E-08醋酸乙酯001.01E-101.27E-070.0010044181.96E-09乙醛001.22E-052.15E-1309.84E-05乙二醇二乙酸酯001.37E-125.21E-0501.04E-08水000.0041365960.0029862300.005190344二氧化碳003.29E-07000.030313895氧气000.000655501000.041121154氮气000.008428181000.505992179碳酸钾000004.99E-82DIETH-01001.26E-071.34E-0802.45E-07METHA-010008.02E-1604.42E-18DEA+000000氢离子000000钾离子000000DEACOO-000000氢氧根离子000000碳酸氢根离子000000碳酸根离子000000丙烯000000表4-2流化床反应工段出口物流物流编号0201相态Mixed温度()82.57014727压力(bar)8.5总质量流量(kg/hr)368980.8622质量流量(kg/hr)乙烯115545.5539醋酸45312.79086醋酸乙烯37954.19304丙烯醛8.512255044醋酸甲酯224.9572655醋酸乙酯101.7899357乙醛208.301008乙二醇二乙酸酯18.5513954水10738.55886二氧化碳11017.71354氧气11424.22416氮气136425.6476碳酸钾0DIETH-010.068436317METHA-010DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯0质量分率乙烯0.313147823醋酸0.12280526醋酸乙烯0.102862227丙烯醛2.31E-05醋酸甲酯0.000609672醋酸乙酯0.000275868乙醛0.000564531乙二醇二乙酸酯5.03E-05水0.029103295二氧化碳0.029859851氧气0.030961563氮气0.369736378碳酸钾0DIETH-011.85E-07METHA-010DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯04.2侧车反应工段表4-3侧车反应工段入口物流物流编号0201相态Mixed温度()82.57014727压力(bar)8.5总质量流量(kg/hr)368980.8622质量流量(kg/hr)乙烯115545.5539醋酸45312.79086醋酸乙烯37954.19304丙烯醛8.512255044醋酸甲酯224.9572655醋酸乙酯101.7899357乙醛208.301008乙二醇二乙酸酯18.5513954水10738.55886二氧化碳11017.71354氧气11424.22416氮气136425.6476碳酸钾0DIETH-010.068436317METHA-010DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯0质量分率乙烯0.313147823醋酸0.12280526醋酸乙烯0.102862227丙烯醛2.31E-05醋酸甲酯0.000609672醋酸乙酯0.000275868乙醛0.000564531乙二醇二乙酸酯5.03E-05水0.029103295二氧化碳0.029859851氧气0.030961563氮气0.369736378碳酸钾0DIETH-011.85E-07METHA-010DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯0表4-4侧车反应工段出口物流物流编号0207020402030202相态MixedLiquid PhaseLiquid PhaseVapor Phase温度()185.198727424242压力(bar)8.58.48.48.4总质量流量(kg/hr)44904.9919921864.654182458.440399301783.3752质量流量(kg/hr)乙烯8.89E-20439.61048715.38953198111987.8815醋酸37088.898081551.563985201.0734936318.9232778醋酸乙烯8.98109588218376.82759225.185094328082.83945丙烯醛0.0198474532.7897330980.1708560257.27295363醋酸甲酯0.00193823375.927753432.228041162192.8119435醋酸乙酯0.01156582253.49453630.77343607168.0300089乙醛1.16E-0930.763917194.4951701213.8226151乙二醇二乙酸酯21.939956820.0152951029.73E-053.62E-05水7785.071071229.6196732002.7535361823.94828二氧化碳9.23E-2552.772852653.3133218611628.98954氧气1.10E-157.2749121920.28008882911079.9494氮气1.83E-1743.993436662.777731567136378.9062碳酸钾0000DIETH-010.0684356553.11E-144.74E-142.02E-18METHA-010000DEA+0000氢离子0000钾离子0000DEACOO-0000氢氧根离子0000碳酸氢根离子0000碳酸根离子0000丙烯0000质量分率乙烯1.98E-240.0201059890.0062598760.371086981醋酸0.8259415370.0709622010.0817890450.001056795醋酸乙烯0.0002000020.8404810540.0915967270.093056284丙烯醛4.42E-070.0001275916.95E-052.41E-05醋酸甲酯4.32E-080.0034726250.0009062820.000638908醋酸乙酯2.58E-070.0024466220.0003146040.000225427乙醛2.59E-140.0014070160.0018284640.00070853乙二醇二乙酸酯0.0004885867.00E-073.96E-081.20E-10水0.1733676080.0562377830.8146439250.006043899二氧化碳2.05E-290.0024136150.0013477330.038534228氧气2.45E-200.0003327250.0001139290.03671491氮气4.07E-220.002012080.0011298750.451909937碳酸钾0000DIETH-011.52E-061.42E-181.93E-176.71E-24METHA-010000DEA+0000氢离子0000钾离子0000DEACOO-0000氢氧根离子0000碳酸氢根离子0000碳酸根离子0000丙烯00004.3气液分离工段表4-5气液分离工段入口物流物流编号052202020418051805010505051005140603相态Liquid PhaseVapor PhaseVapor PhaseLiquid PhaseVapor PhaseVapor PhaseVapor PhaseVapor PhaseVapor Phase温度()45.192657124234.3200811445.190013947.9079385153.0888365956.4754973259.2399778-10.24053759压力(bar)8.48.49.458.31.11.151.11.11.05总质量流量(kg/hr)21060.5301783.375276881.2870280164751.149118321.589186922.144526991162.34668328.4672678质量流量(kg/hr)乙烯0111987.881533037.0178501366.52679865.734351521.76237667397.36411516.48304155醋酸20985.00082318.92327782.01E-067987.2636728.4891471151.07E-120.0380952522.357886964.74E-33醋酸乙烯0.00677424128082.839450.6582374940.0025783972741.316962188.953020317.82979911865.36907273.67E-07丙烯醛7.26E-067.272953635.53E-052.76E-060.7882730040.6124899680.0098521941.6916160570.000107041醋酸甲酯0.000180959192.81194350.0071961316.89E-0522.930625812.718836050041636365.22E-07醋酸乙酯0.00266437568.03000895.20E-050.0010141085.2209778130.0381434560.0279763433.298819515.96E-13乙醛4.52E-09213.82261516.3378363041.72E-0937.9575321226.322721970.48751150282.972523918.790388481乙二醇二乙酸酯12.61246153.62E-057.09E-074.800526644001.22E-107.84E-090水62.837788081823.948281374.46252723.91717714213.792378714.573523480.99909928761.473726660.000365792二氧化碳011628.989540.1875402290190.157039711.606260340.3579686718.139369713.164719169氧气011079.94943196.897268021.568036790.2329221530.0448826070.4812394840.010471161氮气0136378.906239265.653350142.40096360.7967485420.4446309093.1565256090.018160273碳酸钾001.33E-76000000DIETH-010.0393043072.02E-180.0650932190.01495991600000METHA-011.69E-11006.42E-120.0003835770.0001691372.42E-060.0001508851.34E-05DEA+000000000氢离子000000000钾离子000000000DEACOO-000000000氢氧根离子000000000碳酸氢根离子000000000碳酸根离子000000000丙烯000000丙烯00质量分率乙烯00.3710869810.42971468300.2876202710.2044047320.0795852030.0837651250.579017335醋酸0.9964151290.0010567952.61E-110.9964151290.0017867573.34E-150.0017203010.0020285571.67E-34醋酸乙烯3.22E-070.0930562848.56E-063.22E-070.5769797780.5875602410.8051560150.7445016931.29E-08丙烯醛3.45E-102.41E-057.19E-103.45E-100.0001659120.0019045730.0004449040.0014553463.76E-06醋酸甲酯8.59E-090.0006389089.36E-088.59E-090.0048263330.0395499490.0064274130.0224043621.83E-08醋酸乙酯1.27E-070.0002254276.77E-101.27E-070.0010988870.0001186090.0012633520.0028380692.09E-14乙醛2.15E-130.000708538.24E-052.15E-130.0079891270.0818520120.0220149880.0713836290.308789328乙二醇二乙酸酯0.0005988681.20E-109.22E-120.000598868005.49E-126.75E-120水0.002983680.0060438990.0178777250.002983680.0449980360.0453172060.0451172110.05288761.28E-05二氧化碳00.0385342282.44E-0600.0400233790.0360903310.0161651080.0156058170.111170457氧气00.036714910.04158225500.0045395410.0007242850.0020268040.0004140240.000367832氮气00.4519099370.51073095800.0299718990.0024775350.0200785910.0027156490.000637935碳酸钾001.73E-81000000DIETH-011.87E-066.71E-248.47E-071.87E-0600000METHA-018.01E-16008.01E-168.07E-085.26E-071.09E-071.30E-074.72E-07DEA+000000000氢离子000000000钾离子000000000DEACOO-000000000氢氧根离子000000000碳酸氢根离子000000000碳酸根离子000000000丙烯000000丙烯00表4-6气液分离工段出口物流物流编号0317032003030314相态Liquid PhaseVapor PhaseLiquid PhaseMixed温度()20.380081316045.5130439419.93626969压力(bar)8.2527.588.359.4总质量流量(kg/hr)17030.2871282613.4057152370.20148266212.3885质量流量(kg/hr)乙烯458.366080834495.4562634.5765024110984.2313醋酸8041.5162395.96E-0721159.3027101.1979178醋酸乙烯3811.7100331.83542987428082.404630.659869775丙烯醛3.1005081970.0018740427.272804147.45E-05醋酸甲酯61.725686620.109040413192.80834140.008489466醋酸乙酯8.5869271070.00041157768.033273540.000521926乙醛140.949604224.10077716185.434874626.20707186乙二醇二乙酸酯4.8017069511.95E-1912.608503740.002774029水4368.647841149.24190491876.4001731381.733889二氧化碳66.60013443615.289219100.75864018069.934458氧气6.3542034933337.4389548.42836282110946.96053氮气57.9124723140989.931942.13339426134701.3864碳酸钾0001.33E-76DIETH-010.0149589265.90E-620.0392802770.06509322METHA-010.0007194727.50E-172.43E-121.18E-12DEA+0000氢离子0000钾离子0000DEACOO-0000氢氧根离子0000碳酸氢根离子0000碳酸根离子0000丙烯0000质量分率乙烯0.0269147590.4175527680.0121171290.416901076醋酸0.4721891177.21E-120.404033250.00038014醋酸乙烯0.2238194822.22E-050.5362286922.48E-06丙烯醛0.0001820582.27E-080.0001388732.80E-10醋酸甲酯0.0036244651.32E-060.0036816423.19E-08醋酸乙酯0.0005042154.98E-090.0012990841.96E-09乙醛0.0082764080.000291730.0035408479.84E-05乙二醇二乙酸酯0.0002819512.37E-240.0002407571.04E-08水0.2565222660.001806510.0358295390.005190344二氧化碳0.0039106880.0437615320.0019239690.030313895氧气0.0003731120.0403982730.0001609380.041121154氮气0.0034005580.4961656230.000804530.505992179碳酸钾0004.99E-82DIETH-018.78E-077.14E-677.50E-072.45E-07METHA-014.22E-089.08E-224.64E-174.42E-18DEA+0000氢离子0000钾离子0000DEACOO-0000氢氧根离子0000碳酸氢根离子0000碳酸根离子0000丙烯00004.4二氧化碳处理工段表4-7二氧化碳处理工段入口物流物流编号0320相态Vapor Phase温度()60压力(bar)27.58总质量流量(kg/hr)82613.40571质量流量(kg/hr)乙烯34495.4562醋酸5.96E-07醋酸乙烯1.835429874丙烯醛0.001874042醋酸甲酯0.109040413醋酸乙酯0.000411577乙醛24.10077716乙二醇二乙酸酯1.95E-19水149.2419049二氧化碳3615.289219氧气3337.438954氮气40989.9319碳酸钾0DIETH-015.90E-62METHA-017.50E-17DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯0质量分率乙烯0.417552768醋酸7.21E-12醋酸乙烯2.22E-05丙烯醛2.27E-08醋酸甲酯1.32E-06醋酸乙酯4.98E-09乙醛0.00029173乙二醇二乙酸酯2.37E-24水0.00180651二氧化碳0.043761532氧气0.040398273氮气0.496165623碳酸钾0DIETH-017.14E-67METHA-019.08E-22DEA+0氢离子0钾离子0DEACOO-0氢氧根离子0碳酸氢根离子0碳酸根离子0丙烯0表4-8二氧化碳处理工段出口物流物流编号04180427相态Vapor PhaseLiquid Phase温度()34.3200811488.87324182压力(bar)9.459.5总质量流量(kg/hr)76881.2870222693.40023质量流量(kg/hr)乙烯33037.017851374.673792醋酸2.01E-0621018.396醋酸乙烯0.6582374940.028858011丙烯醛5.53E-052.42E-06醋酸甲酯0.0071961310.000315488醋酸乙酯5.20E-052.28E-06乙醛6.3378363040.277859212乙二醇二乙酸酯7.09E-073.11E-08水1374.46252793.87343521二氧化碳0.1875402290.007470912氧气3196.89726814.87555659氮气39265.65335191.2640883碳酸钾1.33E-760DIETH-010.0650932190.002853774METHA-0100DEA+00氢离子00钾离子00DEACOO-00氢氧根离子00碳酸氢根离子00碳酸根离子00丙烯00质量分率乙烯0.4297146830.060575929醋酸2.61E-110.926189808醋酸乙烯8.56E-061.27E-06丙烯醛7.19E-101.07E-10醋酸甲酯9.36E-081.39E-08醋酸乙酯6.77E-101.01E-10乙醛8.24E-051.22E-05乙二醇二乙酸酯9.22E-121.37E-12水0.0178777250.004136596二氧化碳2.44E-063.29E-07氧气0.0415822550.000655501氮气0.5107309580.008428181碳酸钾1.73E-810DIETH-018.47E-071.26E-07METHA-0100DEA+00氢离子00钾离子00DEACOO-00氢氧根离子00碳酸氢根离子00碳酸根离子00丙烯004.5醋酸乙烯酯精制工段表4-9醋酸乙烯酯精制工段入口物流物流编号020702040303031702030610相态Liquid PhaseLiquid PhaseLiquid PhaseLiquid PhaseLiquid Phase温度()185.1987274245.5130439420.380081314269.51824307压力(bar)8.58.48.358.258.41.15总质量流量(kg/hr)44904.9919921864.6541852370.2014817030.287122458.440399134.0716157质量流量(kg/hr)乙烯8.89E-20439.610487634.5765024458.366080815.389531980醋酸37088.898081551.56398521159.30278041.516239201.07349367.81E-11醋酸乙烯8.98109588218376.8275928082.404633811.710033225.1850943127.4125152丙烯醛0.0198474532.7897330987.272804143.1005081970.1708560250.084195292醋酸甲酯0.00193823375.92775343192.808341461.725686622.2280411623.46E-07醋酸乙酯0.01156582253.494536368.033273548.5869271070.7734360710.001262063乙醛1.16E-0930.76391719185.4348746140.94960424.49517016.07E-15乙二醇二乙酸酯21.939956820.01529510212.608503744.8017069519.73E-050水7785.071071229.6196731876.4001734368.6478412002.7535366.573424318二氧化碳9.23E-2552.77285265100.758640166.60013443.313321860氧气1.10E-157.2749121928.4283628216.3542034930.2800888290氮气1.83E-1743.9934366642.1333942657.912472312.7777315670碳酸钾000000DIETH-010.0684356553.11E-140.0392802770.0149589264.74E-140METHA-01002.43E-120.00071947200.000218496DEA+000000氢离子000000钾离子000000丙烯000000质量分率乙烯000000醋酸000000醋酸乙烯000000丙烯醛000000醋酸甲酯1.98E-240.0201059890.0121171290.0269147590.0062598760醋酸乙酯0.8259415370.0709622010.404033250.4721891170.0817890455.82E-13乙醛0.0002000020.8404810540.5362286920.2238194820.0915967270.950331765乙二醇二乙酸酯4.42E-070.0001275910.0001388730.0001820586.95E-050.000627987水4.32E-080.0034726250.0036816420.0036244650.0009062822.58E-09二氧化碳2.58E-070.0024466220.0012990840.0005042150.0003146049.41E-06氧气2.59E-140.0014070160.0035408470.0082764080.0018284644.53E-17氮气0.0004885867.00E-070.0002407570.0002819513.96E-080碳酸钾0.1733676080.0562377830.0358295390.2565222660.8146439250.049029202DIETH-012.05E-290.0024136150.0019239690.0039106880.0013477330METHA-012.45E-200.0003327250.0001609380.0003731120.0001139290DEA+4.07E-220.002012080.000804530.0034005580.0011298750氢离子000000钾离子1.52E-061.42E-187.50E-078.78E-071.93E-170DEACOO-004.64E-174.22E-0801.63E-06氢氧根离子000000碳酸氢根离子000000碳酸根离子000000乙烯000000醋酸000000醋酸乙烯000000丙烯醛000000丙烯000000表4-10醋酸乙烯酯精制工段出口物流物流编号05310525052405010505051005140515050705180522相态Liquid PhaseLiquid PhaseVapor PhaseVapor PhaseVapor PhaseVapor PhaseVapor PhaseLiquid PhaseLiquid PhaseLiquid Phase温度()120.2068533237.072987207.859701847.9079385153.0888
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