7-2附录二能量衡算

榆炼10万吨/年甲基丙烯酸甲酯生产项目 能量衡算16目录能量衡算说明11.1能量衡算的意义11.2能量衡算原理11.3能量衡算任务11.4能量衡算21.4.1原料预处理工段21.4.2氧化工段61.4.3氧化酯化工段101.4.4精制工段13能量衡算说明1.1能量衡算的意义在化工生产中，有些过程需消耗巨大的能量，如蒸发、干燥、蒸馏等；而另一些过程则可释放大量能量，如燃烧、放热化学反应过程等。为了使生产保持在适宜的工艺条件下进行，必须掌握物料带入或带出体系的能量，控制能量的供给速率和放热速率。为此，需要对各生产体系进行能量衡算。能量衡算对于生产工艺条件的确定、设备的设计是不可缺少的一种化工基本计算。化工生产的能量消耗很大，能量消耗费用是化工产品的主要成本之一。衡量化工产品能量消耗水平的指标是能耗，即制造单位质量（或单位体积）产品的能量消耗费用。能耗也是衡量化工生产技术水平的主要指标之一。而能量衡算可为提高能量的利用率，降低能耗提供主要依据。通过能量衡算，可确定整个工艺系统的能耗是否符合设计合同的要求。1.2能量衡算原理系统的能量衡算能量守恒为理论基础，研究某一系统内各类型的能量的变化，即：输入系统的能量=输出系统的能量+系统积累的能量对于连续系统，有：Q+W=Hout-HinQ设备的热负荷；W输入系统的机械能；Hout离开设备的各物料焓之和；Hin进入设备的各物料焓之和。1.3能量衡算任务在进行热量衡算过程中，可通过定量计算完成下列基本任务：（1）确定工艺单元中物料输送机械所需要的功率，以便于设备的设计与选型。（2）计算换热设备尺寸，为后续设计中提供设备条件。（3）提高热量内部集成度，充分利用余热，提高能量利用率。（4）最终计算出总需求能量和能量费用，确定工艺过程在经济上的可行性。1.4能量衡算1.4.1原料预处理工段M0101热负荷表M0101WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0107S0108S0112Temperature C-8.3036007-8.3036007-8.303601Pressure bar1.00689011.00689011.0068901Vapor Frac000Mass Flow kg/hr38013.732235607.03822406.694Volume Flow cum/hr61.275689857.39625393.8794358Enthalpy MMBtu/hr-42.388053-39.704416-2.683637SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-42.388053-39.704416-2.683637热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-42.388053-42.388050T0101热负荷表T0101WCondenserReboilerQHeat Duty MMBtu/hr0000流股焓变计算表StreamsS0101S0108S0111S0102S0109Temperature C-15-8.30360071.42857995-8.15591141.074103Pressure bar51.00689011.33072481.00689011.323835Vapor Frac00110Mass Flow kg/hr1290035607.038239525.362538013.732250018.84Volume Flow cum/hr20.448640757.396253911999.497414715.395681.49484Enthalpy MMBtu/hr-14.860388-39.704416-27.168805-28.339187-53.3949SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-14.860388-39.704416-27.168805-28.339187-53.3949热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-81.733609-81.7340725.65E-06T0102热负荷表T0102WCondenserReboilerQHeat Duty MMBtu/hr0000流股焓变计算表StreamsS0113S0119S0122S0114S0120Temperature C-8.2306534-12.2282062.48784117-12.2245842.448832Pressure bar1.337614911.461636711.461637Vapor Frac00110Mass Flow kg/hr2406.69414794.300414724.33115211.064416714.25Volume Flow cum/hr3.8799569824.84092524106.449795678.2095627.22438Enthalpy MMBtu/hr-2.6832261-38.454397-6.3695934-34.226742-13.2805SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-2.6832261-38.454397-6.3695934-34.226742-13.2805热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-47.5072165-47.507201-3.119E-07T0103热负荷表T0103WCondenserReboilerQHeat Duty MMBtu/hr0-4.76664084.7340413-0.0325995流股焓变计算表StreamsS0124S0126S0125Temperature C1.428579959.49039465-7.382991Pressure bar1.33072481.46163671Vapor Frac000Mass Flow kg/hr10493.48012217.523628275.9565Volume Flow cum/hr17.12076353.7485638913.209469Enthalpy MMBtu/hr-11.737041-5.3850041-6.481402SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-11.737041-5.3850041-6.481402热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-11.737041-11.866410.01090181C0101热负荷表C0101WQHeat Duty MMBtu/hr3.374291890流股焓变计算表StreamsS0103S0104Temperature C-8.15593751.0668349Pressure bar1.00689015Vapor Frac11Mass Flow kg/hr38013.732238013.7322Volume Flow cum/hr14715.39123625.62845Enthalpy MMBtu/hr-28.339187-24.964895SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-28.339187-24.964895热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-28.339187-24.9649-0.1190681C0102热负荷表C0102WQHeat Duty MMBtu/hr1.446802080流股焓变计算表StreamsS0114S0115Temperature C-12.22458448.9905763Pressure bar16Vapor Frac11Mass Flow kg/hr1.52E+0415211.0644Volume Flow cum/hr5678.209561168.39371Enthalpy MMBtu/hr-34.226742-32.77994SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-34.226742-32.77994热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-28.339187-24.9649-0.1190681E0101热负荷表E0101WQHeat Duty MMBtu/hr014.4773627流股焓变计算表StreamsS0109S0104S0110S0105Temperature C1.0741034451.06683491.2862224223.2265153Pressure bar1.323834751.32383475Vapor Frac010.790426560Mass Flow kg/hr50018.842638013.732250018.842638013.7322Volume Flowcum/hr81.49484183625.6284512072.813265.259648Enthalpy MMBtu/hr-53.394885-24.964895-38.917522-39.442258SummationHin MMBtu/hrHin MMBtu/hrHout MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-53.394885-24.964895-38.917522-39.442258热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-78.35978-78.359783.60E-16E0103热负荷表E0103WQHeat Duty MMBtu/hr0-2.9457958流股焓变计算表StreamsS0106S0107Temperature C-8.2696431-8.3036007Pressure bar1.00689011.0068901Vapor Frac0.209842550Mass Flow kg/hr38013.732238013.7322Volume Flow cum/hr3134.9789661.2756898Enthalpy MMBtu/hr-39.442258-42.388053SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-39.44226-42.38805热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-39.442258-42.388050.06949589E0104热负荷表E0104WQHeat Duty MMBtu/hr06.08293358流股焓变计算表StreamsS0115S0120S0116S0121Temperature C48.99057632.448831925.991841592.51Pressure bar61.461636761.4616367Vapor Frac1001Mass Flow kg/hr15211.064416714.251715211.064416714.2517Volume Flow cum/hr1168.3937127.224380426.47189444661.95458Enthalpy MMBtu/hr-32.77994-13.280459-38.862874-7.1975257SummationHin MMBtu/hrHin MMBtu/hrHout MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-32.77994-13.280459-38.862874-7.1975257热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-46.060399-46.0603997-1.53E-161.4.2氧化工段M0201热负荷表M0201WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0201S0125S0123S0213S0202Temperature C80.3224651-7.38299082.487841172544.6029715Pressure bar111.461636711Vapor Frac10010.9471053Mass Flow kg/hr15656.28488275.956461989.9207241147.940167070.1023Volume Flow cum/hr18199.467613.20946883.2399000335255.603955655.1214Enthalpy MMBtu/hr-67.061133-6.4814023-1.5528786-5.7410061-80.836421SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-67.061133-6.4814023-1.5528786-5.7410061-80.836421热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-80.83642-80.8364213.62E-09M0202热负荷表M0202WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0216S0214S0217Temperature C25.10942441017.2780617Pressure bar222Vapor Frac000Mass Flow kg/hr5286.956421361.434826648.3912Volume Flow cum/hr6.6687924223.743404330.5815462Enthalpy MMBtu/hr-37.310307-155.41035-192.72066SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-37.310307-155.41035-192.72066热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-192.720657-192.720660C0201热负荷表C0201WQHeat Duty MMBtu/hr10.84572860流股焓变计算表StreamsS0205S0206Temperature C330443.85475Pressure bar12Vapor Frac11Mass Flow kg/hr67070.102367070.1025Volume Flow cum/hr111334.53866175.4065Enthalpy MMBtu/hr-109.85274-99.007017SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-109.85274-99.007017热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-109.85274-99.007017-0.09873E0201热负荷表E0201WQHeat Duty MMBtu/hr028.6121196流股焓变计算表StreamsS0202S0206S0203S0207Temperature C44.6029715443.85475330123.915139Pressure bar1212Vapor Frac0.9471053111Mass Flow kg/hr67070.102367070.102567070.102367070.1025Volume Flow cum/hr55655.121466175.4065111538.12136646.8241Enthalpy MMBtu/hr-80.836421-99.007017-52.224301-127.61914SummationHin MMBtu/hrHin MMBtu/hrHout MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-80.836421-99.007017-52.224301-127.61914热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-179.843438-179.8434380E0202热负荷表E0202WQHeat Duty MMBtu/hr0-34.211814流股焓变计算表StreamsS0207S0208Temperature C123.91513910Pressure bar22Vapor Frac10.70480094Mass Flow kg/hr67070.102567070.1025Volume Flow cum/hr36646.824118442.3861Enthalpy MMBtu/hr-127.61914-161.83095SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-127.61914-161.83095热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-127.61914-161.830950.2114046E0203热负荷表E0203WQHeat Duty MMBtu/hr00.6795944流股焓变计算表StreamsS0210S0211Temperature C9.999999725Pressure bar11Vapor Frac11Mass Flow kg/hr45708.667745708.6677Volume Flow cum/hr36837.285438788.7574Enthalpy MMBtu/hr-6.4206005-5.7410061SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-6.4206005-5.7410061热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-6.4206005-5.7410061-0.105846R0201热负荷表R0201WQHeat Duty MMBtu/hr0-55.665029流股焓变计算表StreamsS0203S0204Temperature C330330Pressure bar11Vapor Frac11Mass Flow kg/hr67070.102367070.1023Volume Flow cum/hr111538.121111538.121Enthalpy MMBtu/hr-52.224301-107.88933SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-52.224301-107.88933热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-52.224301-107.889330.51594564R0202热负荷表R0202WQHeat Duty MMBtu/hr0-1.9634137流股焓变计算表StreamsS0204S0205Temperature C330330Pressure bar11Vapor Frac11Mass Flow kg/hr67070.102367070.1023Volume Flow cum/hr111538.121111334.538Enthalpy MMBtu/hr-107.88933-109.85274SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-107.88933-109.85274热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-107.88933-109.852740.01787314T0201热负荷表T0201WCondenserReboilerQHeat Duty MMBtu/hr0-26.26834141.988653915.7203129流股焓变计算表StreamsS0218S0219S0220Temperature C17.273298466.3118645102.98931Pressure bar1.47611.1446921Vapor Frac0.0002622310Mass Flow kg/hr26648.391217547.90599100.48532Volume Flow cum/hr34.09023149825.2612810.0097502Enthalpy MMBtu/hr-192.72066-50.939544-126.06078SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-192.72066-50.939544-126.06078热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-192.72066-177.000324-0.08157051.4.3氧化酯化工段M0301热负荷表M0301WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0219S0301S0302Temperature C66.31186452560.4099587Pressure bar111Vapor Frac111Mass Flow kg/hr17547.90594287.839221835.7451Volume Flow cum/hr9825.261283321.7494413370.6976Enthalpy MMBtu/hr-50.939544-4.731E-16-50.939544SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-50.939544-4.731E-16-50.939544热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-50.939544-50.9395444.15E-16M0302热负荷表M0302WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0309S0304S0310Temperature C7084.571578680.3527392Pressure bar2.72.72.7Vapor Frac00.90892740.40906995Mass Flow kg/hr18442.735821835.745140278.4809Volume Flow cum/hr24.66295724830.154784522.12753Enthalpy MMBtu/hr-118.79423-51.603033-170.39726SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-118.79423-51.603033-170.39726热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-170.397263-170.397261.65E-16M0303热负荷表M0303WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0305S0306S0409S0307Temperature C25252524.9564864Pressure bar11.00E+001.00E+001.00E+00Vapor Frac0000Mass Flow kg/hr4598.16471.18213843.184818442.7358Volume Flow cum/hr5.799021430.0009073517.110356322.9084206Enthalpy MMBtu/hr-32.451004-0.0036233-88.886079-121.34147SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-32.451004-0.0036233-88.886079-121.34147热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-121.3407063-121.341476.27E-06E0301热负荷表E0301WQHeat Duty MMBtu/hr02.54035841流股焓变计算表StreamsS0308S0303S0309S0304Temperature C25.0855136127.8706837084.5715786Pressure bar2.72.72.72.7Vapor Frac0100.9089274Mass Flow kg/hr18442.735821835.745118442.735821835.7451Volume Flow cum/hr22.91283595953.6481324.66295724830.15478Enthalpy MMBtu/hr-121.33459-49.062675-118.79423-51.603033SummationHin MMBtu/hrHin MMBtu/hrHout MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-121.33459-49.062675-118.79423-51.603033热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-170.397265-170.3972633.31E-16E0302热负荷表E0302WQHeat Duty MMBtu/hr0-5.7602173流股焓变计算表StreamsS0310S0311Temperature C80.352739270Pressure bar2.72.7Vapor Frac0.409069950.25869529Mass Flow kg/hr40278.480940278.4809Volume Flow cum/hr4522.127532796.25301Enthalpy MMBtu/hr-170.39726-176.15748SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-170.39726-176.15748热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-170.39726-176.157480.03269924C0301热负荷表C0301WQHeat Duty MMBtu/hr1.876869140流股焓变计算表StreamsS0302S0303Temperature C60.4099587127.870683Pressure bar12.7Vapor Frac11Mass Flow kg/hr21835.745121835.7451Volume Flow cum/hr13370.69765953.64813Enthalpy MMBtu/hr-50.939544-49.062675SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-50.939544-49.062675热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-50.939544-49.062675-0.0368450R0301热负荷表R0301WQHeat Duty MMBtu/hr0-19.765226流股焓变计算表StreamsS0311S0312Temperature C7070Pressure bar2.72.7Vapor Frac0.258695291Mass Flow kg/hr40278.480940278.4809Volume Flow cum/hr2796.253019806.73211Enthalpy MMBtu/hr-176.15748-195.92271SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-176.15748-195.92271热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-176.15748-195.922710.100882781.4.4精制工段M0401热负荷表M0401WQHeat Duty MMBtu/hr00流股焓变计算表StreamsS0406S0405S0407Temperature C80.91937111247.1680152Pressure bar1.10335150.52Vapor Frac000Mass Flow kg/hr20787.548116747.522337535.0705Volume Flow cum/hr23.991375120.131125544.0089216Enthalpy MMBtu/hr-117.92013-106.09275-224.01288SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-117.92013-106.09275-224.01288热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-224.01288-224.012880E0401热负荷表E0401WQHeat Duty MMBtu/hr0-17.36866流股焓变计算表StreamsS0402S0403Temperature C60.50142012Pressure bar0.50.5Vapor Frac10.14592596Mass Flow kg/hr1.95E+0419490.9328Volume Flow cum/hr29207.15953662.65394Enthalpy MMBtu/hr-92.250509-109.61917SummationHin MMBtu/hrHin MMBtu/hrEnthalpy MMBtu/hr-92.250509-109.61917热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-92.250509-109.619170.15844546E0402热负荷表E0402WQHeat Duty MMBtu/hr0-0.46433流股焓变计算表StreamsS0408S0409Temperature C36.64679425Pressure bar11Vapor Frac00Mass Flow kg/hr1.38E+0413843.1848Volume Flow cum/hr17.419944717.1103563Enthalpy MMBtu/hr-88.42175-88.886079SummationHin MMBtu/hrHin MMBtu/hrEnthalpy MMBtu/hr-88.42175-88.886079热平衡计算一览表TotalUnitsHinHoutrel.diffEnthalpyMMBtu/hr-88.42175-88.8860790.00522386T0401热负荷表T0401WCondenserReboilerQHeat Duty MMBtu/hr0-29.14590914.8979951-14.2479139流股焓变计算表StreamsS0312S0406S0401Temperature C7080.919371160.5014462Pressure bar2.71.10335151Vapor Frac101Mass Flow kg/hr40278.480920787.548119490.9328Volume Flow cum/hr9806.7321123.991375114603.5809Enthalpy MMBtu/hr-195.92271-117.92013-92.250509SummationHin MMBtu/hrHout MMBtu/hrEnthalpy MMBtu/hr-195.92271-117.92013-92.2505