年产15万吨丙烯腈项目能量平衡计算书

XXXX石化年产15万吨丙烯腈项目能量平衡计算书目录附录Ⅱ能量平衡计算书 11.1概述 11.2热量衡算原理 11.3热量衡算任务 21.4热量衡算 21.4.1反应急冷工段热量衡算 21.4.2磷铵循环工段 81.4.3丙烯腈精制工段 141.4.4乙腈精制工段 241.5总结 29附录Ⅱ能量平衡计算书1.1概述拟建一套年产值15万吨的丙烯腈装置，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。1.2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能量平衡方程：∑Qin+∑Qout=∑Ql其中，∑Qin——表示输入设备热量的总和；∑Qout——表示输出设备热量的总和；∑Ql——表示损失热量的总和。对于连续系统：Q+W=∑Hout-∑Hin其中，Q——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。在进行全厂热量衡算时，是以单位设备为基本单位，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。1.3热量衡算任务在进行丙烯腈装置的热量衡算中，主要通过定量计算完成下述基本任务：1、确定工艺单位中物料输送机械（如泵）所需要的功率，以便与进行设备的设计和选型；2、确定精馏等单位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；3、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；4、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；5、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。1.4热量衡算1.4.1反应急冷工段热量衡算1.4.1.1E0103换热器表1-1热负荷表WQHeatDuty（Gcal/hr）00.813334表1-2流股焓变计算表InOut物流编号005006TemperatureK274.9339.1Pressurebar51VaporFrac11MassFlowkg/sec8.5728.572VolumeFlowcum/sec0.8895.482EnthalpyMMBtu/hr-70.029-66.801表1-3热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error00.813334-17.647-16.83401.4.1.2E0104换热器表1-4热负荷表WQHeatDuty（Gcal/hr）00.404878表1-5流股焓变计算表InOut物流编号008009TemperatureK283.2339.1Pressurebar55.1VaporFrac11MassFlowkg/sec3.9743.974VolumeFlowcum/sec1.0991.29EnthalpyMMBtu/hr-36.83-35.223表1-6热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error00.404878-9.281-8.87601.4.1.3E0105换热器表1-7热负荷表WQHeatDuty（Gcal/hr）0-39.0329表1-8流股焓变计算表InOut物流编号013X2TemperatureK753.3483.1Pressurebar1.41.4VaporFrac11MassFlowkg/sec97.29697.296VolumeFlowcum/sec158.883101.901EnthalpyMMBtu/hr-328.752-445.341表1-9热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-39.0329-82.846-112.2269.651.4.1.4T0101急冷塔表1-10热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0000表1-11流股焓变计算表InOut物流编号015020022023TemperatureK318.1343.2346.3346.3PressurekPa130120130135VaporFrac0100MassFlowkg/sec44.444104.49843.4272.15VolumeFlowcum/sec0.03693.6910.0340.002EnthalpyMMBtu/hr-2196.28-896.2-2090.69-106.494表1-12热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error00-779.533-779.53301.4.1.5C0101压缩机表1-13热负荷表WQHeatDuty（Gcal/hr）6.77450表1-14流股焓变计算表InOut物流编号004011TemperatureK303.1394.6Pressurebar12VaporFrac11MassFlowkg/sec84.7584.75VolumeFlowcum/sec74.04148.192EnthalpyMMBtu/hr1.46428.347表1-15热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error6.774500.36897.143401.4.1.6C0102压缩机表1-16热负荷表WQHeatDuty（Gcal/hr）6.1100表1-17流股焓变计算表InOut物流编号012013TemperatureK699.1753.3Pressurebar1.11.4VaporFrac11MassFlowkg/sec97.29697.296VolumeFlowcum/sec187.674158.883EnthalpyMMBtu/hr-353.001-328.752表1-18热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error6.1100-88.956-82.84601.4.1.7R0101反应器表1-19热负荷表WQHeatDuty（Gcal/hr）0-15.281表1-20流股焓变计算表InOut物流编号X1012TemperatureK381.9699.1Pressurebar11.1VaporFrac11MassFlowkg/sec97.29697.296VolumeFlowcum/sec106.862187.674EnthalpyMMBtu/hr-73.675-353.001表1-21热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-15.281-73.675-88.95601.4.2磷铵循环工段1.4.2.1E0203换热器表1-22热负荷表WQHeatDuty（Gcal/hr）0-11.8596表1-23流股焓变计算表InOut物流编号030022TemperatureK451.5346.3Pressurebar131.3VaporFrac10MassFlowkg/sec6.26743.427VolumeFlowcum/sec0.9680.034EnthalpyMMBtu/hr-223.175-2090.69表1-24热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-11.8596-56.2401-68.100001.4.2.2E0204换热器表1-25热负荷表WQHeatDuty（Gcal/hr）0-8.70767表1-26流股焓变计算表InOut物流编号029015TemperatureK375.8318.1Pressurebar1.31.3VaporFrac0.0660MassFlowkg/sec44.44444.444VolumeFlowcum/sec3.0030.036EnthalpyMMBtu/hr-2161.72-2196.28表1-27热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-8.70767-544.753-553.4601.4.2.3P0201泵表1-28热负荷表WQHeatDuty（Gcal/hr）0.0520表1-29流股焓变计算表InOut物流编号025026TemperatureK370.2370.5Pressurebar1.0115VaporFrac00MassFlowkg/sec43.41843.418VolumeFlowcum/sec0.0340.034EnthalpyGcal/hr-524.545-524.493表1-30热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0.0520-524.545-524.49301.4.2.4P0205泵表1-31热负荷表WQHeatDuty（Gcal/hr）0.05290050表1-32流股焓变计算表InOut物流编号033034TemperatureK298.1299Pressurebar116VaporFrac00MassFlowkg/sec0.1390.139VolumeFlowcum/sec00EnthalpyGcal/hr-1.1723-1.1720表1-33热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0.00030-1.1723-1.172001.4.2.5P0206泵表1-34热负荷表WQHeatDuty（Gcal/hr）509.2070表1-35流股焓变计算表InOut物流编号022005TemperatureK364.3274.9Pressurebar1.35VaporFrac01MassFlowkg/sec43.4278.572VolumeFlowcum/sec0.0340.889EnthalpyGcal/hr-526.854-17.647表1-36热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error509.2070-526.854-17.64701.4.2.6T0201脱轻塔表1-37热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）002.222012.22201表1-38流股焓变计算表InOut物流编号022024025TemperatureK346.3368.2370.2Pressurebar1.311.01VaporFrac010MassFlowkg/sec43.4270.00843.418VolumeFlowcum/sec0.0340.0130.034EnthalpyMMBtu/hr-2090.69-0.307-2081.56表1-39热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error02.22201-526.854-524.63001.4.2.7T0202磷铵解析塔表1-40热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0-41.878664.942423.0638表1-41流股焓变计算表InOut物流编号026027030TemperatureK370.5452.8451.5Pressurebar1513.313VaporFrac001MassFlowkg/sec43.41837.1526.267VolumeFlowcum/sec0.0340.0320.968EnthalpyMMBtu/hr-2081.36-1766.66-223.175表1-42热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error023.0638-524.503-501.43801.4.2.8T0203氨精制塔表1-43热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0-11.736515.13723.4007表1-44流股焓变计算表InOut物流编号032034003035TemperatureK363.5299312.6472.8Pressurebar16161515.3VaporFrac0010MassFlowkg/sec6.2670.1391.5664.84VolumeFlowcum/sec0.00800.1430.006EnthalpyMMBtu/hr-270.235-4.651-14.413-246.974表1-45热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error03.4007-69.2713-65.869501.4.3丙烯腈精制工段1.4.3.1E0301换热器表1-46热负荷表WQHeatDuty（Gcal/hr）0-2.14998表1-47流股焓变计算表InOut物流编号038039TemperatureK313.1277.4Pressurebar1.31.3VaporFrac00MassFlowkg/sec17.35417.354VolumeFlowcum/sec0.0180.017EnthalpyMMBtu/hr-934.989-943.52表1-48热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-2.14998-235.617-237.76701.4.3.2E0302，3换热器表1-49热负荷表WQHeatDuty（Gcal/hr）0-66.2413表1-50流股焓变计算表InOut物流编号051044TemperatureK388.1279.6Pressurebar1.691.7VaporFrac00MassFlowkg/sec168.056168.056VolumeFlowcum/sec0.1860.166EnthalpyMMBtu/hr-8878.06-9140.92表1-51热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-66.2413-2237.27-2303.5101.4.3.3E0305换热器表1-52热负荷表WQHeatDuty（Gcal/hr）0-5.5972表1-53流股焓变计算表InOut物流编号052053TemperatureK341.4303.1Pressurebar11.01VaporFrac10.002MassFlowkg/sec7.1967.196VolumeFlowcum/sec4.9470.018EnthalpyMMBtu/hr37.5115.229表1-54热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-5.59729.45253.837701.4.3.4E0306换热器表1-55热负荷表WQHeatDuty（Gcal/hr）0-11.7921表1-56流股焓变计算表InOut物流编号049050TemperatureK388.1318.1Pressurebar1.691.7VaporFrac00MassFlowkg/sec45.27845.278VolumeFlowcum/sec0.050.047EnthalpyMMBtu/hr-2391.94-2438.73表1-57热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-11.7921-602.769-614.56001.4.3.5E0312换热器表1-58热负荷表WQHeatDuty（Gcal/hr）0-0.33334表1-59流股焓变计算表InOut物流编号060061TemperatureK328.3303.1Pressurebar0.870.33VaporFrac00MassFlowkg/sec5.5565.556VolumeFlowcum/sec0.0070.007EnthalpyMMBtu/hr20.1118.787表1-60热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-0.333345.067724.7343201.4.3.6P0310泵表1-61热负荷表WQHeatDuty（Gcal/hr）0.0459390表1-62流股焓变计算表InOut物流编号062045TemperatureK303.1303.2Pressurebar0.351VaporFrac00MassFlowkg/sec0.350.35VolumeFlowcum/sec00EnthalpyMMBtu/hr-15.857-15.857表1-63热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0.0459390-3.996-3.9960.041.4.3.7P0311泵表1-64热负荷表WQHeatDuty（Gcal/hr）0.6013660表1-65流股焓变计算表InOut物流编号064065TemperatureK303.1303.2Pressurebar0.351VaporFrac00MassFlowkg/sec5.2055.205VolumeFlowcum/sec0.0070.007EnthalpyMMBtu/hr34.36534.366表1-66热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0.60136608.6608.6600.601.4.3.8T0301吸收塔表1-67热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0000表1-68流股焓变计算表InOut物流编号037039044040041TemperatureK313.1277.4279.6279.6297.8Pressurebar1.31.31.711.3VaporFrac10010MassFlowkg/sec87.14417.354168.05677.731194.822VolumeFlowcum/sec59.8470.0170.16662.9310.199EnthalpyGcal/sec-29.258-237.764-2303.47-21.861-2548.64表1-69热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error00-2570.4922570.5010.0091.4.3.9T0302回收塔表1-70热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0050.985650.9856表1-71流股焓变计算表InOut物流编号043045050055079046047048052TemperatureK338.1303.2318.1303.2367388.3375.4388.1341.4Pressurebar1.8111.71.71.71.71.361.691VaporFrac0.01400000101MassFlowkg/sec194.8220.3545.2780.6421.04319.8011.806213.3337.196VolumeFlowcum/sec2.49500.0470.0010.0010.0221.830.2374.947EnthalpyMMBtu/hr-9988.65-15.857-2438.73-30.548-53.407-1045.95-46.437-1127037.51表1-72热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error050.9856-3156.852-3105.8690.0031.4.3.10T0303脱氢氰酸塔表1-73热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0-6.344977.381971.037表1-74流股焓变计算表InOut物流编号058059065048060067TemperatureK303.2298.1303.2291.3328.3350.3Pressurebar1.3110.750.871VaporFrac000100MassFlowkg/sec6.54105.2050.3115.5565.881VolumeFlowcum/sec0.00800.0070.3710.0070.008EnthalpyMMBtu/hr45.405-0.00334.3665.09820.1158.676表1-75热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error01.03720.10221.13901.4.3.11T0304丙烯腈精制塔表1-76热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0-3.334012.98248-0.35153表1-77流股焓变计算表InOut物流编号067070071TemperatureK350.3474.8320.3Pressurebar10.60.35VaporFrac000MassFlowkg/sec5.8810.0735.808VolumeFlowcum/sec0.00800.008EnthalpyMMBtu/hr58.6760.52456.757表1-78热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-0.3515314.78614.43501.4.4乙腈精制工段1.4.4.1E0404换热器表1-79热负荷表WQHeatDuty（Gcal/hr）0-0.22142表1-80流股焓变计算表InOut物流编号088089TemperatureK384.3323.1Pressurebar33VaporFrac00MassFlowkg/sec1.3231.323VolumeFlowcum/sec0.0020.002EnthalpyMMBtu/hr-9.863-10.742表1-81热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error0-0.22142-2.485-2.70701.4.4.2P0405泵表1-82热负荷表WQHeatDuty（Gcal/hr）222.1580表1-83流股焓变计算表InOut物流编号036079TemperatureK313.1367Pressurebar1.31.7VaporFrac00MassFlowkg/sec17.3541.043VolumeFlowcum/sec0.0180.001EnthalpyMMBtu/hr-934.989-53.407表1-84热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error222.1580-235.617-13.45901.4.4.3P0409泵表1-85热负荷表WQHeatDuty（Gcal/hr）-2546.3770表1-86流股焓变计算表InOut物流编号085041TemperatureK330.8297.8Pressurebar3.301.30VaporFrac00MassFlowkg/sec1.94194.822VolumeFlowcum/sec0.0030.199EnthalpyMMBtu/hr-7.703-10113.8表1-87热量平衡计算一览表W（Gcal/hr）Q（Gcal/hr）Hin（Gcal/hr）Hout（Gcal/hr）Error-2546.3770-1.941-2548.67801.4.4.4T0401除氨塔表1-88热负荷表WCondenserReboilerQHeatDuty（Gcal/hr）0000表1-89流股焓变计算表InOut物流编号047072073075TemperatureK375.4318.1377.2369.8Pressurebar1.361.31.31VaporFrac1001MassFlowkg/sec1.8060.0420.0351.812VolumeFlowcum/sec1.83002.45