附录2 能量平衡书

淮北国安电力煤电联产年产20万吨醋酸乙烯项目 能量平衡书 目录1.概述12.热量衡算原理13.热量衡算任务24.热量衡算24.1等离子体法制乙炔工段24.1.4 E10324.2乙炔气提浓工段34.2.1 C20134.2.2 E20134.2.3 P20144.2.4 F20144.2.5 F20254.3醋酸乙烯合成工段54.3.1 H30154.3.2 R30164.3.2 E30174.4原料分离循环工段74.2.1 C40174.4.2 C40284.4.3 F40184.4.4 F40294.5产品精制工段94.5.1 C50194.5.2 C502104.5.3 C503104.5.4 C504114.5.5 C506114.5.6 C507124.5.7 C508124.5.8 P501134.5.9 E501134.5.9 E502145.总结141.概述拟建一套醋酸乙烯生产装置，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能量的消耗、释放和转化。其中的能量变换数量关系可以从能量衡算求得，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。总之，通过下述能量衡算，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。2.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，设备的热负荷；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。3.热量衡算任务在本装置的热量衡算中，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。4.热量衡算4.1等离子体法制乙炔工段 4.1.1 E103 表1-1热负荷表WQHeat Duty（Gcal/hr）0-0.0929182609表1-2物流焓变计算表INOUTUnits109201Temperature5540Pressurebar117Vapor Frac11Mole Flowkmol/hr721.864721.864Mass Flowkg/hr15433.55715433.557Volume Flowcum/hr19694.9661105.57EnthalpyGcal/hr10.0179.924表1-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.0910.0179.9240.0034.2乙炔气提浓工段4.2.1 C201 表2-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0000表2-2物流焓变计算表INOUTUnits201203205Temperature402536.7Pressurebar171716.9Vapor Frac10 0.001Mole Flowkmol/hr721.8641911.5042215.294Mass Flowkg/hr15433.557187199.272195103.394Volume Flowcum/hr1105.57183.303197.752EnthalpyGcal/hr9.924-117.655-101.438表2-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0000-107.731-101.4386.2934.2.2 E201 表3-1热负荷表WQHeat Duty（Gcal/hr）04.93473954表3-2物流焓变计算表INOUTUnits208209Temperature-46.624.3Pressurebar0.10.1Vapor Frac00.014Mole Flowkmol/hr1911.4851911.485Mass Flowkg/hr187197.678187197.678Volume Flowcum/hr173.3927014.861EnthalpyGcal/hr-122.589-117.654表3-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error04.93-122.589-117.6540.0054.2.3 P201 表4-1热负荷表WQHeat Duty（Gcal/hr）1.57005983e-060表4-2物流焓变计算表INOUTUnits209211Temperature24.325Pressurebar0.117Vapor Frac0.0140Mole Flowkmol/hr1911.4851911.485Mass Flowkg/hr187197.678187197.678Volume Flowcum/hr7014.861183.301EnthalpyGcal/hr-117.654-117.654表4-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-117.654-117.65404.2.4 F201 表5-1热负荷表WQHeat Duty（Gcal/hr）0-8.08613563表5-2物流焓变计算表INOUTUnits205207Temperature36.7-73.2Pressurebar16.90.1Vapor Frac 0.0010Mole Flowkmol/hr2215.2942198.656Mass Flowkg/hr195103.394194684.691Volume Flowcum/hr197.752184.17EnthalpyGcal/hr-101.438-110.051表5-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-8.08613563-101.438-110.0510.5334.2.5 F202 表6-1热负荷表WQHeat Duty（Gcal/hr）02.2728356表6-2物流焓变计算表INOUTUnits207210Temperature-73.2-46.6Pressurebar0.10.1Vapor Frac01Mole Flowkmol/hr2198.656287.171Mass Flowkg/hr194684.6917487.013Volume Flowcum/hr184.1754082.884EnthalpyGcal/hr-110.05115.373表6-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error02.27-110.05115.37304.3醋酸乙烯合成工段4.3.1 H301 表7-1热负荷表WQHeat Duty（Gcal/hr）05.16794163表7-2物流焓变计算表INOUTUnits301302303Temperature-53.8117.5200Pressurebar0.113Vapor Frac10.6631Mole Flowkmol/hr407.1711143.2121550.383Mass Flowkg/hr11844.12168474.57680318.697Volume Flowcum/hr74250.58724642.88420329.495EnthalpyGcal/hr11.612-118.344-101.565表7-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-106.732-101.5655.1764.3.2 R301 表8-1热负荷表WQHeat Duty（Gcal/hr）0-7.373表8-2物流焓变计算表INOUTUnits303304Temperature200200Pressurebar33Vapor Frac11Mole Flowkmol/hr1550.3831281.959Mass Flowkg/hr80318.69780318.697Volume Flowcum/hr20329.49516810.435EnthalpyGcal/hr-101.565-108.941表8-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-101.565-108.9410.0034.3.3 E301 表9-1热负荷表WQHeat Duty（Gcal/hr）0-11.0470437表9-2物流焓变计算表INOUTUnits304305Temperature20050Pressurebar33Vapor Frac10.086Mole Flowkmol/hr1281.9591281.96Mass Flowkg/hr80318.69780318.749Volume Flowcum/hr16810.4351069.841EnthalpyGcal/hr-108.941-119.988表9-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error00-108.941-119.98804.4原料分离循环工段4.4.1 C401 表10-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-0.9205880680.136149880表10-2物流焓变计算表INOUTUnits402404Temperature-38.868.7Pressurebar11Vapor Frac0 0.001Mole Flowkmol/hr1269.141149.14Mass Flowkg/hr79849.50475492.396Volume Flowcum/hr73.78177.818EnthalpyGcal/hr-122.404-115.417表10-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.92050.136150-122.404-115.4175.1934.4.2 C402 表11-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-11.39768060.6760768950表11-2物流焓变计算表INOUTUnits404405Temperature68.723.5Pressurebar11Vapor Frac 0.0010Mole Flowkmol/hr1149.14304.874Mass Flowkg/hr75492.39624804.979Volume Flowcum/hr77.81826.849EnthalpyGcal/hr-115.417-24.484表11-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-11.40.680-115.417-24.48404.4.3 F401 表12-1热负荷表WQHeat Duty（Gcal/hr）0-2.89189428表12-2物流焓变计算表INOUTUnits305402Temperature50-38.8Pressurebar31Vapor Frac0.0860Mole Flowkmol/hr1281.961269.14Mass Flowkg/hr80318.74979849.504Volume Flowcum/hr1069.84173.781EnthalpyGcal/hr-119.988-122.404表12-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-2.89-119.98-122.404.4.4 F402 表13-1热负荷表WQHeat Duty（Gcal/hr）03.2953292表13-2物流焓变计算表INOUTUnits408409410Temperature117.6117.6117.6Pressurebar111Vapor Frac0.00901Mole Flowkmol/hr853.431256.029597.402Mass Flowkg/hr51237.80815372.7635865.048Volume Flowcum/hr297.97216.25119407.201EnthalpyGcal/hr-91.591-27.491-60.804表13-3热量平衡计算一览表W(Gcal/hr)Q(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error03.29-91.591-27.49104.5产品精制工段4.5.1 C501 表14-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-0.1350616930.3719787180表14-2物流焓变计算表INOUTUnits405501502Temperature23.5-50.466.8Pressurebar111Vapor Frac01 0.001Mole Flowkmol/hr304.8746.035298.839Mass Flowkg/hr24804.979188.9524616.028Volume Flowcum/hr26.849111.77828.305EnthalpyGcal/hr-24.4840.123-24.09表14-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.1350.3720-24.484-24.210.214.5.2 C502 表1-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-14.087217913.20677420表15-2物流焓变计算表INOUTUnits502503504Temperature66.8117.666.5Pressurebar111Vapor Frac 0.00100Mole Flowkmol/hr298.8392.988295.85Mass Flowkg/hr24616.028179.45924436.569Volume Flowcum/hr28.3050.1928.125EnthalpyGcal/hr-24.09-0.321-23.771表15-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-14.0813.210-24.09-24.0704.5.3 C503 表16-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-5.163503920.5738843220表16-2物流焓变计算表INOUTUnits505506507Temperature61.172.356.9Pressurebar111Vapor Frac000Mole Flowkmol/hr342.009273.60768.402Mass Flowkg/hr27695.38423550.4794144.905Volume Flowcum/hr31.71427.2914.915EnthalpyGcal/hr-27.219-22.35-4.795表16-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-5.20.570-27.22-27.0204.5.4 C504 表17-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-0.1494128440.01670670750表17-2物流焓变计算表INOUTUnits507508509Temperature56.920.459.6Pressurebar111Vapor Frac000Mole Flowkmol/hr68.4022.18966.213Mass Flowkg/hr4144.90596.4444048.461Volume Flowcum/hr4.9150.1234.806EnthalpyGcal/hr-4.795-0.103-4.685表17-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.1490.0160-4.79-4.6804.5.5 C506 表18-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）000.2629492640表18-2物流焓变计算表INOUTUnits513515Temperature5766.7Pressurebar21.4Vapor Frac01Mole Flowkmol/hr120.05527.071Mass Flowkg/hr2591.2031472.962Volume Flowcum/hr2.855546.378EnthalpyGcal/hr-8.062-1.456表18-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error000.260-8.062-1.45604.5.6 C507 表19-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-0.1494128440.01670670750表19-2物流焓变计算表INOUTUnits518519525522523Temperature66.154.541.951.646.4Pressurebar1.40.80.80.80.8Vapor Frac0.4150.9930.1 0.0011Mole Flowkmol/hr11.7715.18823.83625.36925.425Mass Flowkg/hr640.415822.9111331.8031374.541420.59Volume Flowcum/hr98.832513.42679.6221.745844.321EnthalpyGcal/hr-0.686-0.832-1.337-1.594-1.261表19-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.1490.0160-4.79-4.6804.5.7 C508 表20-1热负荷表WCondenserReboilerQHeat Duty（Gcal/hr）0-0.1769995200表20-2物流焓变计算表INOUTUnits531521528Temperature70.251.610.3Pressurebar0.10.80.1Vapor Frac1 0.001 0.001Mole Flowkmol/hr15.18710.18118.583Mass Flowkg/hr704.608551.629862.186Volume Flowcum/hr4335.5750.70.93EnthalpyGcal/hr-0.941-0.64-1.353表20-3热量平衡计算一览表W(Gcal/hr)CondenserReboilerQ(Gcal/hr)Hin(Gcal/hr)Hout(Gcal/hr)Error0-0.1800-1.525-1.35304.5.8 P501 表21-1热负荷表WQHeat Duty（Gcal/hr）0.03950表22-2物流焓变计算表INOUTUnits512513Temperature56.957Pressurebar0.92Vapor Frac00Mole Flowkmol/hr120.055120.055Mass Flowkg/hr2591.2032591.203Volume Flowcum/hr2.8552.855EnthalpyG