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克拉玛依石化30万吨/年天然气乙炔法制醋酸乙烯(VAc)项目 能量平衡计算书团队成员:赵帅帅 闫天晴 刘鑫婷 邹倩 郭勇金指导教师:羡小超 申威峰 陈红梅 李泽全 魏顺安目录第一章 总述1第二章 热量衡算原理1第三章 热量衡算任务2第四章 热量衡算24.1 VAc合成工段24.1.1换热器热量衡算24.1.2反应器热量衡算54.1.3压缩机热量衡算54.2脱轻组分工段74.2.1换热器热量衡算74.2.2塔热量衡算94.3乙醛精制工段114.3.1泵热量衡算114.3.2塔热量衡算114.4 VAc精制工段134.4.1换热器热量衡算134.4.2塔热量衡算154.4.3压缩机热量衡算174.4.4泵热量衡算174.4.5液液分相器热量衡算184.5醋酸精制工段194.5.1换热器热量衡算194.5.2压缩机热量衡算204.5.3泵热量衡算214.5.4塔热量衡算214.6二醋酸亚乙酯精制工段234.6.1换热器热量衡算234.6.2塔热量衡算244.6.3泵热量衡算254.6.4液液分相器热量衡算27第五章 总结27第一章 总述本项目拟建一套30万吨/年克拉玛依石化30万吨/年天然气乙炔法制醋酸乙烯项目,在全工艺段中伴随着物料从一个体系或单元进入另一个体系或单元,在发生质量传递的同时也伴随着热量的消耗、释放和转化。其中的热量变换数量关系可以从热量衡算求得,对于新设计的车间,可以由此确定设备的热负荷。再根据设备的热负荷大小、所处理物料的性质及工艺要求选择恰当的设备。总而言之,通过下述热量衡算,可以为后续设计工作中提高热量的利用率,降低能耗提供主要依据。第二章 热量衡算原理工程依据化工设计中关于热量衡算的基本思想和要求,遵循基本规范与实际工艺相结合的原则,进行热量衡算书的编制。其中一个主要依据是热量平衡方程:其中,表示输入设备热量的总和;表示输出设备热量的总和;表示损失热量的总和。对于连续系统:其中,Q设备的热负荷;W输入系统的机械能;离开设备的各物料焓之和;进入设备的各物料焓之和。在进行全厂热量衡算时,是以单元设备为基本单位,考虑由机械能转换、化学反应释放和单纯的物理变化带来的热量变化。最终对全工艺段进行系统级的热量平衡计算,进而用于指导节能降耗设计工作。第三章 热量衡算任务在进行天然气乙炔法制醋酸乙烯装置的热量衡算中,主要通过定量计算完成下述基本任务:确定工艺单元中物料输送机械(如泵)所需要的功率,以便于进行设备的设计和选型; 确定精馏等单元操作中所需要的热量或冷量以及传递速率,计算换热设备的尺寸,确定加热剂和冷却剂的消耗量,为后续设计中比如供汽、供冷、供水等专业提供设备条件;确定为保持一定反应温度所需移除或者加入的热传递速率,指导反应器的设计和选型;提高热量内部集成度,充分利用余热,提高能量利用率,降低能耗;最终计算出总需求能量和能量的费用,并由此确定工艺过程在经济上的可行性。第四章 热量衡算4.1 VAc合成工段4.1.1换热器热量衡算(1)E101-102醋酸预热器表4-1 热负荷表WQHeat Duty(Gcal/hr)015.969表4-2 流股焓变计算表InOut物流编号106107Temperature()25.1180Pressure(bar)2.562.46Vapor Frac01Mole Flow(kmol/hr)1398.691398.69Mass Flow(kg/hr)83409.60383409.603Volume Flow(cum/hr)77.88716336.505Enthalpy(Gcal/hr)-160.745-144.776表4-3 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error015.969-160.745-144.7760(2)E103反应器进出口换热器表4-4 热负荷表WQHeat Duty(Gcal/hr)015.416表4-5 流股焓变计算表InOut物流编号108109Temperature()95.4159.8Pressure(bar)2.462.41Vapor Frac11Mole Flow(kmol/hr)12320.85412320.86Mass Flow(kg/hr)379388.145379388.1Volume Flow(cum/hr)145074.247179964.5Enthalpy(Gcal/hr)391.233406.649表4-6 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error015.416391.233406.6490(3)E104反应器进料预热器表4-7 热负荷表WQHeat Duty(Gcal/hr)04.415表4-8 流股焓变计算表InOut物流编号109110Temperature()159.8180Pressure(bar)2.412.36Vapor Frac11Mole Flow(kmol/hr)12320.85512320.855Mass Flow(kg/hr)379388.104379388.104Volume Flow(cum/hr)179964.531193704.959Enthalpy(Gcal/hr)406.649411.064表4-9 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error04.415406.649411.0640(4)E105反应器出口冷却器表4-10 热负荷表WQHeat Duty(Gcal/hr)0-16.347表4-11 流股焓变计算表InOut物流编号112113Temperature()105.445Pressure(bar)1.961.86Vapor Frac10.927Mole Flow(kmol/hr)11825.51511825.515Mass Flow(kg/hr)379388.104379388.104Volume Flow(cum/hr)183374.589151272.821Enthalpy(Gcal/hr)383.025366.678表4-12 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-16.347383.025366.67804.1.2反应器热量衡算(1)R101 VAc合成反应器表4-13热负荷表WQHeat Duty(Gcal/hr)0-12.623表4-14流股焓变计算表InOut物流编号109-1111Temperature()180180Pressure(bar)2.362.118Vapor Frac11Mole Flow(kmol/hr)12320.85411825.514Mass Flow(kg/hr)379388.145379388.145Volume Flow(cum/hr)193704.952207982.646Enthalpy(Gcal/hr)411.064398.441表4-15热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-12.623411.064398.44104.1.3压缩机热量衡算(1)C101原料乙炔压缩机表4-16热负荷表WQHeat Duty(Gcal/hr)0.4340表4-17流股焓变计算表InOut物流编号102103Temperature()2595.2Pressure(bar)12.46Vapor Frac11Mole Flow(kmol/hr)556.312556.312Mass Flow(kg/hr)14523.94614523.946Volume Flow(cum/hr)13672.5796843.581Enthalpy(Gcal/hr)30.21630.642表4-18热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0.434030.21630.6420.018(2)C102乙炔循环压缩机表4-19热负荷表WQHeat Duty(Gcal/hr)4.2250表4-20流股焓变计算表InOut物流编号212101Temperature()25.460.4Pressure(bar)1.52.46Vapor Frac11Mole Flow(kmol/hr)10365.84910365.853Mass Flow(kg/hr)281454.46281454.596Volume Flow(cum/hr)167917.341114303.235Enthalpy(Gcal/hr)501.228505.367表4-21热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error04.225501.228505.3670.024.2脱轻组分工段4.2.1换热器热量衡算(1)E202脱气塔洗涤母液一级冷却器表4-22 热负荷表WQHeat Duty(Gcal/hr)0-0.208表4-23 流股焓变计算表InOut物流编号204205Temperature()121.245Pressure(bar)1.81.7Vapor Frac00Mole Flow(kmol/hr)85.28485.284Mass Flow(kg/hr)5374.3575374.357Volume Flow(cum/hr)5.8475.231Enthalpy(Gcal/hr)-9.252-9.46表4-24 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.208-9.252-9.460(2)E202脱气塔洗涤母液二级冷却器表4-25 热负荷表WQHeat Duty(Gcal/hr)0-0.073表4-26 流股焓变计算表InOut物流编号205206Temperature()4515Pressure(bar)1.71.7Vapor Frac00Mole Flow(kmol/hr)85.28485.284Mass Flow(kg/hr)5374.3575374.358Volume Flow(cum/hr)5.2315.039Enthalpy(Gcal/hr)-9.46-9.533表4-27 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.073-9.46-9.5330(3)E204脱气塔塔顶出料冷却器表4-28 热负荷表WQHeat Duty(Gcal/hr)0-7.519表4-29 流股焓变计算表InOut物流编号201202Temperature()43.115Pressure(bar)1.651.55Vapor Frac10.944Mole Flow(kmol/hr)11057.95811057.958Mass Flow(kg/hr)331018.885331018.885Volume Flow(cum/hr)171036.47158532.524Enthalpy(Gcal/hr)451.867444.348表4-30 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-7.519451.867444.3480(4)E206洗涤醋酸进料冷却器表4-31 热负荷表WQHeat Duty(Gcal/hr)0-1.302表4-32 流股焓变计算表InOut物流编号209210Temperature()4510Pressure(bar)22Vapor Frac00Mole Flow(kmol/hr)13701370Mass Flow(kg/hr)81700.08481700.084Volume Flow(cum/hr)78.1774.958Enthalpy(Gcal/hr)-156.699-158.001表4-33 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-1.302-156.699-158.00104.2.2塔热量衡算(1)T201脱气塔表4-34 热负荷表WQHeat Duty(Gcal/hr)02.200表4-35 流股焓变计算表InOut物流编号113206201203Temperature()451543.1121.2Pressure(bar)1.861.71.651.659Vapor Frac0.927010Mole Flow(kmol/hr)11825.51485.28411057.958852.841Mass Flow(kg/hr)379388.1455374.364331018.88553743.624Volume Flow(cum/hr)151272.8075.039171036.4758.466Enthalpy(Gcal/hr)366.678-9.533451.867-92.522表4-36 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error02.200357.145359.3450(2)T202醋酸洗涤塔表4-37 热负荷表WQHeat Duty(Gcal/hr)06.190表4-38 流股焓变计算表InOut物流编号210202214211Temperature()1015104.925.4Pressure(bar)21.551.5191.5Vapor Frac00.94401Mole Flow(kmol/hr)137011057.9582010.01810417.939Mass Flow(kg/hr)81700.084331018.885129850.166282868.804Volume Flow(cum/hr)74.958158532.524140.25168761.147Enthalpy(Gcal/hr)-158.001444.348-211.209503.746表4-39 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error06.190286.347292.52704.3乙醛精制工段4.3.1泵热量衡算(1)P204脱乙醛塔进料泵表4-40 热负荷表WQHeat Duty(Gcal/hr)0.09270表4-41 流股焓变计算表InOut物流编号215216Temperature()1.5198Pressure(bar)0.0040Vapor Frac2777.5752777.575Mole Flow(kmol/hr)178219.427178219.427Mass Flow(kg/hr)381.469193.134Volume Flow(cum/hr)-294.478-294.387Enthalpy(Mcal/hr)-294.478-294.387表4-42 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0.09270-294.478-294.3870.01834.3.2塔热量衡算(1)T301粗分乙醛塔表4-43 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0-1.4918.6047.113表4-44 流股焓变计算表InOut物流编号216303301Temperature()110.2176.464.3Pressure(bar)86.5086.5Vapor Frac001Mole Flow(kmol/hr)2777.5752751.60525.97Mass Flow(kg/hr)178219.427177246.427973Volume Flow(cum/hr)193.134216.75103.833Enthalpy(Gcal/hr)-294.387-287.259-0.015表4-45 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error07.113-294.38-287.2749.84110-4(2)T302乙醛精制塔表4-46 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0-0.3060.228-0.078表4-47 流股焓变计算表InOut物流编号301304302Temperature()64.381.68.7Pressure(bar)6.56.546.5Vapor Frac101Mole Flow(kmol/hr)25.9714.52911.441Mass Flow(kg/hr)973640333Volume Flow(cum/hr)103.8330.9338.785Enthalpy(Gcal/hr)-0.015-0.6540.561表4-48 热量平衡计算一览W(Mcal/hr)Q(Mcal/hr)Hin(Mcal/hr)Hout(Mcal/hr)Error0-0.078-0.015-0.09304.4 VAc精制工段4.4.1换热器热量衡算(1)E403 VAc粗分塔再沸器表4-49 热负荷表WQHeat Duty(Gcal/hr)00.365表4-50 流股焓变计算表InOut物流编号409406407408Temperature()101.384.385.189Pressure(bar)2.4311.61.52.431Vapor Frac1010Mole Flow(kmol/hr)151.868204.994204.993151.868Mass Flow(kg/hr)11680.56117641.92617641.85411680.561Volume Flow(cum/hr)1813.10620.8683876.68613.891Enthalpy(Gcal/hr)-10.769-16.663-15.129-11.939表4-51 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00.365-27.432-27.0680.00274(2)E404 粗醋酸一级冷却器表4-52 热负荷表WQHeat Duty(Gcal/hr)0-0.252表4-53 流股焓变计算表InOut物流编号411412Temperature()70.845Pressure(bar)1.31.2Vapor Frac0.0890Mole Flow(kmol/hr)151.868151.852Mass Flow(kg/hr)11680.56111684.352Volume Flow(cum/hr)297.21912.93Enthalpy(Gcal/hr)-11.939-12.19表4-54 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.252-11.939-12.190.004(2)E405 粗醋酸二级冷却器表4-55 热负荷表WQHeat Duty(Gcal/hr)0-0.16表4-56 流股焓变计算表InOut物流编号412413Temperature()4515Pressure(bar)1.21.2Vapor Frac00Mole Flow(kmol/hr)151.852151.852Mass Flow(kg/hr)11684.35211684.352Volume Flow(cum/hr)12.9312.388Enthalpy(Gcal/hr)-12.19-12.35表4-57 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.16-12.19-12.3504.4.2塔热量衡算(1)T401 VAc粗分塔表4-58 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0-17.90211.774-6.128表4-59 流股焓变计算表InOut物流编号401402403Temperature()176.4131.481.4Pressure(bar)6.5081.5051.5Vapor Frac000Mole Flow(kmol/hr)2751.6052261.205490.4Mass Flow(kg/hr)177246.427135859.99141386.436Volume Flow(cum/hr)216.75146.82448.656Enthalpy(Gcal/hr)-287.259-253.655-39.732表4-60 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-6.128-287.259-293.3870.00(2)T402 VAc精制塔表4-61 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0000表4-62 流股焓变计算表InOut物流编号403407414408404Temperature()81.485.11576.584.3Pressure(bar)1.51.51.51.31.468Vapor Frac01010Mole Flow(kmol/hr)490.4204.993139.787151.868683.312Mass Flow(kg/hr)41386.43617641.85411458.69211680.56158806.421Volume Flow(cum/hr)48.6563876.68612.1873254.48769.56Enthalpy(Gcal/hr)-39.732-15.129-11.534-10.851-55.544表4-63 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-66.395-66.3950(3)T403废水回收塔表4-64 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0-0.003830.02260.01877表4-65 流股焓变计算表InOut物流编号415416417Temperature()1553.8102.2Pressure(bar)1.511.095Vapor Frac000Mole Flow(kmol/hr)12.0820.14811.934Mass Flow(kg/hr)222.0127.012215Volume Flow(cum/hr)0.2220.0080.235Enthalpy(Gcal/hr)-0.827-0.01-0.798表4-66 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00.01877-0.827-0.7990.004.4.3压缩机热量衡算(1)C401热泵压缩机表4-67 热负荷表WQHeat Duty(Gcal/hr)0.08630表4-68 流股焓变计算表InOut物流编号408409Temperature()76.5101.3Pressure(bar)1.32.431Vapor Frac11Mole Flow(kmol/hr)151.868151.868Mass Flow(kg/hr)11680.56111680.561Volume Flow(cum/hr)3254.4871813.106Enthalpy(Gcal/hr)-10.851-10.769表4-69 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0.08630-10.851-10.7690.054.4.4泵热量衡算(1)P404 VAc精制塔塔底出料泵表4-70 热负荷表WQHeat Duty(Gcal/hr)1.03310-40表4-71 流股焓变计算表InOut物流编号405-1406Temperature()84.384.3Pressure(bar)1.4681.6Vapor Frac00Mole Flow(kmol/hr)204.994204.994Mass Flow(kg/hr)17641.92617641.926Volume Flow(cum/hr)20.86820.868Enthalpy(Gcal/hr)-16.663-16.663表4-72 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error1.03310-40-16.663-16.66304.4.5液液分相器热量衡算(1)V402 液液分离器表4-73 热负荷表WQHeat Duty(Gcal/hr)0-0.01表4-74 流股焓变计算表InOut物流编号413415414Temperature()151515Pressure(bar)1.21.51.5Vapor Frac000Mole Flow(kmol/hr)151.86812.082139.787Mass Flow(kg/hr)11680.561222.01211458.692Volume Flow(cum/hr)12.3840.22212.187Enthalpy(Gcal/hr)-12.351-0.827-11.534表4-75 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.01-12.351-12.36104.5醋酸精制工段4.5.1换热器热量衡算(1)E501醋酸粗分塔再沸器表4-76 热负荷表WQHeat Duty(Gcal/hr)00表4-77 流股焓变计算表InOut物流编号502503504505Temperature()128.1117.8117.9128.1Pressure(bar)1.371.0061.0061.37Vapor Frac0.97600.6690Mole Flow(kmol/hr)6958.72910096.54410096.3276958.729Mass Flow(kg/hr)417851.937607210.168607197.155417851.937Volume Flow(cum/hr)105936.928641.971137937.509449.23Enthalpy(Gcal/hr)-743.258-1138.072-1100.237-781.068表4-78 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-1881.33-1881.330(2)E502粗醋酸冷却器表4-79 热负荷表WQHeat Duty(Gcal/hr)0-2.499表4-80 流股焓变计算表InOut物流编号506506-1Temperature()117.6117.6Pressure(bar)11Vapor Frac0.0640Mole Flow(kmol/hr)6958.7296958.729Mass Flow(kg/hr)417851.937417851.937Volume Flow(cum/hr)9568.236441.762Enthalpy(Gcal/hr)-781.068-783.567表4-81 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-2.499-781.068-783.56704.5.2压缩机热量衡算(1)C501热泵压缩机表4-82 热负荷表WQHeat Duty(Gcal/hr)1.4660表4-83 流股焓变计算表InOut物流编号501502Temperature()117.6128.1Pressure(bar)11.37Vapor Frac10.976Mole Flow(kmol/hr)6958.7296958.729Mass Flow(kg/hr)417851.937417851.937Volume Flow(cum/hr)142401.428105936.928Enthalpy(Gcal/hr)-744.694-743.258表4-84 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error1.4660-744.694-743.2580.024.5.3泵热量衡算(1)P502醋酸精制塔进料泵表4-85 热负荷表WQHeat Duty(Gcal/hr)0.0020表4-86 流股焓变计算表InOut物流编号509510Temperature()117.8117.9Pressure(bar)1.0062Vapor Frac00Mole Flow(kmol/hr)869.277869.277Mass Flow(kg/hr)52278.68852278.688Volume Flow(cum/hr)55.27155.276Enthalpy(Gcal/hr)-97.984-97.982表4-87 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0.0020-97.984-97.98204.5.4塔热量衡算(1)T501粗分醋酸塔表4-88 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0000表4-89 流股焓变计算表InOut物流编号504402507503-1501Temperature()117.9131.4117.6117.8117.6Pressure(bar)1.0061.50511.0061Vapor Frac0.6690001Mole Flow(kmol/hr)10096.3272261.2055567.01810965.8216958.729Mass Flow(kg/hr)607197.155135859.991334283.646659488.855417851.937Volume Flow(cum/hr)137937.509146.824353.412697.243142401.428Enthalpy(Gcal/hr)-1100.237-253.655-626.858-1236.057-744.694表4-90 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error001980.751980.750.000(2)T502醋酸精制塔表4-91 热负荷表WCondenserReboilerQHeat Duty(Gcal /hr)0-5.3035.7070.404表4-92 流股焓变计算表InOut物流编号510511512Temperature()117.9131.3173Pressure(bar)21.51.507Vapor Frac000Mole Flow(kmol/hr)869.277867.2182.059Mass Flow(kg/hr)52278.68852078.688200Volume Flow(cum/hr)55.27656.2710.22Enthalpy(Gcal/hr)-97.982-97.273-0.305表4-93 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00.404-97.982-97.57804.6二醋酸亚乙酯精制工段4.6.1换热器热量衡算(1)E603二醋酸亚乙酯一级冷却器表4-94 热负荷表WQHeat Duty(Gcal/hr)0-0.022表4-95 流股焓变计算表InOut物流编号604605Temperature()97.345Pressure(bar)11Vapor Frac00Mole Flow(kmol/hr)18.92818.928Mass Flow(kg/hr)564.715564.715Volume Flow(cum/hr)0.5980.56Enthalpy(Gcal/hr)-1.502-1.524表4-96 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.022-1.502-1.5240(2)E604二醋酸亚乙酯二级冷却器表4-97 热负荷表WQHeat Duty(Gcal/hr)0-0.016表4-98 流股焓变计算表InOut物流编号605606Temperature()455Pressure(bar)10.9Vapor Frac00Mole Flow(kmol/hr)18.92818.928Mass Flow(kg/hr)564.715564.715Volume Flow(cum/hr)0.560.535Enthalpy(Gcal/hr)-1.524-1.54表4-99 热量平衡计算一览W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.022-1.524-1.5404.6.2塔热量衡算(1)T601二醋酸亚乙酯塔表4-100 热负荷表WCondenserReboilerQ
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