5-2 附录二 能量平衡计算书-

扬子石化5.5104t/a高活性聚异丁烯项目 附录二 能量平衡计算书目录1.1 总述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 MTBE裂解及异丁烯提纯工段21.4.2 聚合工段221.4.3 产品分离工段281.5 总结40 中国矿业大学（北京）Alpha.团队 42 1.1 总述本项目拟建一套年生产5.5104t/a高活性聚异丁烯的装置，同时复产1104t/a的甲醇。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。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。1.3 热量衡算任务在进行高活性聚异丁烯的制备以及资源化利用装置的热量衡算中，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。1.4 热量衡算1.4.1 MTBE裂解及异丁烯提纯工段1.4.1.1 换热器热量衡算（E-0101）表1-1 热负荷表WQHeat Duty(KW)0523.662293412表1-2 流股焓变计算表InOut物流编号20100Temperature（）13.621Pressure（bar）01Vapor Frac00Mole Flow（kmol/hr）45.40245.402Mass Flow（kg/hr）40014001Volume Flow l/min93.9645898.226Enthalpy Gcal/hr-3.406-2.956表1-3 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0523.662293412-946084.102-821009.512-0.1322024011.4.1.2 压缩机热量衡算表1-4 热负荷表WQHeat Duty(KW)31.98853350表1-5 流股焓变计算表InOut物流编号102103Temperature（）100119.5Pressure（bar）3.6217Vapor Frac11Mole Flow（kmol/hr）45.40245.402Mass Flow（kg/hr）45.40245.402Volume Flow l/min40014001Enthalpy Gcal/hr5898.2262957.515表1-6 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff31.98853350-821009.512-813369.183-0.00930601881.4.1.3 MTBE裂解反应器（R-0101）表1-7 热负荷表WQHeat Duty(KW)0775.1790866592表1-8 流股焓变计算表InOut物流编号103104Temperature（）119.5130Pressure（bar）77Vapor Frac11Mole Flow（kmol/hr）45.40287.462Mass Flow（kg/hr）45.40287.462Volume Flow l/min40014001Enthalpy Gcal/hr2957.5156510.933表1-9 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0775.1790866592-813369.183-628220.839-0.2276313731.4.1.4 换热器热量衡算（E-0102）表1-10 热负荷表WQHeat Duty(KW)0-593.4501869256表1-11 流股焓变计算表InOut物流编号10511Temperature（）93.345.2Pressure（bar）74.999Vapor Frac0.8120Mole Flow（kmol/hr）00Mass Flow（kg/hr）87.46287.462Volume Flow l/min40014001Enthalpy Gcal/hr4695.816102.705表1-12 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-593.4501869256-680241.475-821984.6170.1724401391.4.1.5 泵热量衡算（P-0101）表1-13 热负荷表WQHeat Duty(KW)0.0001016067160表1-14 流股焓变计算表InOut物流编号11106Temperature（）45.245.2Pressure（bar）4.9995Vapor Frac00Mole Flow（kmol/hr）87.462314.968Mass Flow（kg/hr）40016261.9Volume Flow l/min102.705112.334Enthalpy Gcal/hr-2.959-20.955表1-15 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0.00010160671600.000101606716-3441.4849013796-8.53623856E-081.4.1.6 泵热量衡算（P-0102）表1-16 热负荷表WQHeat Duty(KW)-4691.9856519360表1-17 流股焓变计算表InOut物流编号108109Temperature（）2525.2Pressure（bar）14Vapor Frac00Mole Flow（kmol/hr）28.28928.289Mass Flow（kg/hr）509.642509.642Volume Flow l/min8.5468.547Enthalpy Gcal/hr-1.931-1.931表1-18 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff-4691.9856519360-17290.46263014-17290.46263014-2.25515155E-161.4.1.7 脱重塔热量衡算（T-0101）表1-19 热负荷表WQHeat Duty(KW)0282.411表1-20 流股焓变计算表InOut物流编号106107112Temperature（）45.239.499.3Pressure（bar）544.2Vapor Frac010Mole Flow（kmol/hr）87.46243.73143.731Mass Flow（kg/hr）40012429.7921571.208Volume Flow l/min102.7054290.76537.862Enthalpy Gcal/hr-2.959-0.251-2.465表1-21热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0282.411-3441.4849013796-3159.0726432984-0.08206116391.4.1.8 水洗塔热量衡算（T-0102）表1-22 热负荷表WQHeat Duty(KW)00表1-23 流股焓变计算表InOut物流编号107110132134Temperature（）39.425.248.543.1Pressure（bar）4444Vapor Frac1010Mole Flow（kmol/hr）43.73182.23543.543.731Mass Flow（kg/hr）2429.7921482.6512406.5812429.792Volume Flow l/min4290.76524.8794435.7244290.765Enthalpy Gcal/hr-0.251-5.612-0.242-0.251表1-24热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-6819.33193326-6819.33193326-1.54126828E-101.4.1.9 异丁烯精制塔热量衡算（T-0103）表1-25 热负荷表WQHeat Duty(KW)0158.231表1-26 流股焓变计算表InOut物流编号133135139Temperature（）35.83.717.5Pressure（bar）41.52.2Vapor Frac010Mole Flow（kmol/hr）43.510.00533.495Mass Flow（kg/hr）2406.581529.9341876.647Volume Flow l/min69.18714.2258166.785Enthalpy Gcal/hr-0.465-0.172-0.158表1-27 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0158.231-540.9035316252-382.67014711392-0.2925353151.4.1.10 异丁烯回收塔热量衡算（T-0106）表1-28热负荷表WQHeat Duty(KW)0-7.107表1-29 流股焓变计算表InOut物流编号139140141Temperature（）17.53.555.2Pressure（bar）2.21.51.5Vapor Frac000Mole Flow（kmol/hr）10.0058.4091.596Mass Flow（kg/hr）529.934471.64258.293Volume Flow l/min14.22512.781.289Enthalpy Gcal/hr-0.172-0.082-0.096表1-30 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-7.107-199.47440493108-206.580959089920.03440081761.4.1.11 MTBE回收塔热量衡算（T-0104）表1-31 热负荷表WQHeat Duty(KW)0374.3875表1-32 流股焓变计算表InOut物流编号112117114113Temperature（）99.325.1124.160.4Pressure（bar）4.223.91.5Vapor Frac0000Mole Flow（kmol/hr）43.73141.781232.5023.766Mass Flow（kg/hr）1571.2081334.4734756.038286.119Volume Flow l/min37.86229.83597.1816.904Enthalpy Gcal/hr-2.465-2.367-15.019-0.264表1-33热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0374.3875-18149.187535596-17774.798939172-0.02062839441.4.1.12 甲醇回收塔热量衡算（T-0105）表1-34热负荷表WQHeat Duty(KW)0204.69表1-35 流股焓变计算表InOut物流编号111117119Temperature（）6663.8126.4Pressure（bar）412.35Vapor Frac000Mole Flow（kmol/hr）314.96841.781273.185Mass Flow（kg/hr）6261.91334.4734927.373Volume Flow l/min116.44229.83592.387Enthalpy Gcal/hr-20.768-2.367-18.225表1-36 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0204.69-24152.975460144-23948.065555092-0.008483838131.4.1.13 泵热量衡算（P-0103）表1-37 热负荷表WQHeat Duty(KW).107974550表1-38 流股焓变计算表InOut物流编号120122Temperature（）2525.2Pressure（bar）0.0324Vapor Frac00Mole Flow（kmol/hr）53.94753.947Mass Flow（kg/hr）53.94753.947Volume Flow l/min973.038973.038Enthalpy Gcal/hr16.32816.332表1-39 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff.107974550-4281.727-4281.361-8.529E-051.4.1.14 泵热量衡算（P-0104）表1-40 热负荷表WQHeat Duty(KW)0.06287990表1-41 流股焓变计算表InOut物流编号125126Temperature（）2525.1Pressure（bar）12.5Vapor Frac00Mole Flow（kmol/hr）83.26383.263Mass Flow（kg/hr）15001500Volume Flow l/min25.15225.154Enthalpy Gcal/hr-5.684-5.684表1-42 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0.06287990-6610.157-6609.944-3.217E-051.4.1.15 泵热量衡算（P-0105）表1-43 热负荷表WQHeat Duty(KW)0.718252710表1-44流股焓变计算表InOut物流编号134115116Temperature（）43.14034.7Pressure（bar）40.1634Vapor Frac000Mole Flow（kmol/hr）82.466232.502314.968Mass Flow（kg/hr）1505.8614756.0386261.9Volume Flow l/min25.93187.149112.334Enthalpy Gcal/hr-5.621-15.336-20.955表1-45 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0.718252710-24372.770-24370.775-8.182E-051.4.1.16 泵热量衡算（P-0106）表1-46 热负荷表WQHeat Duty(KW)00表1-47流股焓变计算表InOut物流编号138137Temperature（）00Pressure（bar）55Vapor Frac00Mole Flow（kmol/hr）134.888134.888Mass Flow（kg/hr）9952.799952.79Volume Flow l/min162.475162.475Enthalpy Gcal/hr-3.12-3.12表1-48 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-3628.12-3628.12201.4.1.17 泵热量衡算（P-0107）表1-49 热负荷表WQHeat Duty(KW)0.0776117000表1-50流股焓变计算表InOut物流编号1422143Temperature（）0.20.9Pressure（bar）1.3335Vapor Frac00Mole Flow（kmol/hr）8.4098.409Mass Flow（kg/hr）471.642471.642Volume Flow l/min12.712.718Enthalpy Gcal/hr-0.083-0.083表1-51 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0.0776117000-96.490-96.227-0.002721.4.1.18 换热器热量衡算（E-0104）表1-52 热负荷表WQHeat Duty(KW)0-18.140683726表1-53 流股焓变计算表InOut物流编号117118Temperature（）63.825Pressure（bar）10.167Vapor Frac00Mole Flow（kmol/hr）41.78141.781Mass Flow（kg/hr）41.78141.781Volume Flow l/min1334.4731334.473Enthalpy Gcal/hr29.83528.031表1-54热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-18.141-2752.918-2771.0580.006551.4.1.19 换热器热量衡算（E-0105）表1-55热负荷表WQHeat Duty(KW)0-259.11567907表1-56 流股焓变计算表InOut物流编号132144Temperature（）48.535.8Pressure（bar）44Vapor Frac10Mole Flow（kmol/hr）43.543.5Mass Flow（kg/hr）2406.5812406.581Volume Flow l/min4435.72469.187Enthalpy Gcal/hr-0.242-0.465表1-57热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-259.116-281.788-540.9040.47901.4.1.20 换热器热量衡算（E-0106）表1-58热负荷表WQHeat Duty(KW)0-574.5663791表1-59流股焓变计算表InOut物流编号136138Temperature（）34.60Pressure（bar）1.55Vapor Frac0.4780Mole Flow（kmol/hr）134.888134.888Mass Flow（kg/hr）9952.799952.79Volume Flow l/min17821.587162.475Enthalpy Gcal/hr-2.626-3.12表1-60热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-574.566-3053.555-3628.1220.1581.4.1.21 换热器热量衡算（E-0107）表1-61热负荷表WQHeat Duty(KW)0-0.98868676135表1-62流股焓变计算表InOut物流编号140142Temperature（）34.60Pressure（bar）1.55Vapor Frac0.4780Mole Flow（kmol/hr）134.888134.888Mass Flow（kg/hr）9952.799952.79Volume Flow l/min17821.587162.475Enthalpy Gcal/hr-2.626-3.12表1-63热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-0.989-95.501-96.4890.01021.4.1.22 换热器热量衡算（B6）表1-64热负荷表WQHeat Duty(KW)0217.80000006084表1-65流股焓变计算表InOut物流编号116104111105Temperature（）34.71306693.3Pressure（bar）4747Vapor Frac0100.812Mole Flow（kmol/hr）314.96887.462314.96887.462Mass Flow（kg/hr）6261.940016261.94001Volume Flow l/min112.3346510.933116.4424695.816Enthalpy Gcal/hr-20.955-2.262-20.768-2.449表1-66热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0217.800-27001.010-27001.0101.444E-161.4.1.23 分流器热量衡算（V-0103）表1-67热负荷表WQHeat Duty(KW)00表1-68 流股焓变计算表InOut物流编号121123128120129Temperature（）2525252525Pressure（bar）0.0320.0320.0320.0320.032Vapor Frac00000Mole Flow（kmol/hr）273.185109.27455.32653.94754.637Mass Flow（kg/hr）4927.3731970.949997.911973.038985.475Volume Flow l/min82.68433.07416.74516.32816.537Enthalpy Gcal/hr-18.643-7.457-3.776-3.682-3.729表1-69热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-21682.264-21682.26301.4.1.24 混合器热量衡算（V-0104）表1-70热负荷表WQHeat Duty(KW)00表1-71 流股焓变计算表InOUT物流编号135323136Temperature（）3.7112.834.6Pressure（bar）1.5101.5Vapor Frac100.478Mole Flow（kmol/hr）33.495101.393134.888Mass Flow（kg/hr）1876.6478076.1439952.79Volume Flow l/min8166.785138.02217821.587Enthalpy Gcal/hr-0.158-2.468-2.626表1-72热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-3053.555-3053.5551.596E-161.4.1.25 混合器热量衡算（V-0102）表1-73热负荷表WQHeat Duty(KW)00表1-74 流股焓变计算表InOUT物流编号126124127Temperature（）25.125.125.1Pressure（bar）2.522Vapor Frac000Mole Flow（kmol/hr）83.263109.274192.536Mass Flow（kg/hr）15001970.9493470.949Volume Flow l/min25.15433.07758.232Enthalpy Gcal/hr-5.684-7.457-13.141表1-75热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-6610.175-6610.17501.4.1.26混合器热量衡算（V-0101）表1-76热负荷表WQHeat Duty(KW)00表1-77 流股焓变计算表InOUT物流编号109122110Temperature（）25.225.225.2Pressure（bar）444Vapor Frac000Mole Flow（kmol/hr）28.28953.94782.235Mass Flow（kg/hr）509.642973.0381482.651Volume Flow l/min8.54716.33224.879Enthalpy Gcal/hr-1.931-3.681-5.612表1-78热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff00-1949.228-1949.2281.250E-161.4.2 聚合工段1.4.2.1 泵热量衡算（P-0201）表1-79 热负荷表WQHeat Duty(KW)1.264186480表1-80 流股焓变计算表InOut物流编号202203Temperature（）00.5Pressure（bar）0.1925Vapor Frac00Mole Flow（kmol/hr）155.306155.306Mass Flow（kg/hr）13190.48613190.486Volume Flow l/min161.134161.239Enthalpy Gcal/hr-4.72-4.718表1-81 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff1.2640-5489.556-5486.49-0.0005581.4.2.2 泵热量衡算（P-0202）表1-82 热负荷表WQHeat Duty(KW)-0.197199160表1-83 流股焓变计算表InOut物流编号2062407Temperature（）0-13.4Pressure（bar）16.9245Vapor Frac00Mole Flow（kmol/hr）6.866.86Mass Flow（kg/hr）537.573537.573Volume Flow l/min9.9239.686Enthalpy Gcal/hr-1.171-1.171表1-84 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff-0.19720-1361.503-1361.5614.282E-051.4.2.3 换热器热量衡算（E-0201）表1-85 热负荷表WQHeat Duty(KW)0-112.819090804表1-86 流股焓变计算表InOut物流编号201202Temperature（）250Pressure（bar）10.192Vapor Frac00Mole Flow（kmol/hr）155.306155.306Mass Flow（kg/hr）13190.48613190.486Volume Flow l/min166.667161.134Enthalpy Gcal/hr-4.623-4.72表1-87热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-112.819-5376.737-5489.5560.02061.4.2.4 换热器热量衡算（E-0202）表1-88热负荷表WQHeat Duty(KW)0-24.393531403表1-89 流股焓变计算表InOut物流编号205206Temperature（）250Pressure（bar）116.924Vapor Frac0.7150Mole Flow（kmol/hr）6.866.86Mass Flow（kg/hr）537.573537.573Volume Flow l/min2003.1949.923Enthalpy Gcal/hr-1.15-1.171表1-90热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-24.394-1337.109-1361.5030.01791.4.2.5 反应器热量衡算（R-0201）表1-91热负荷表WQHeat Duty(KW)0437.8954148964表1-92流股焓变计算表InOut物流编号204320207208Temperature（）0.30-13.40Pressure（bar）5555Vapor Frac0100Mole Flow（kmol/hr）748.3020.4666.86757.893Mass Flow（kg/hr）61808.82431.598537.57362377.995Volume Flow l/min802.04534.2049.686798.644Enthalpy Gcal/hr-21.582-0.127-1.171-22.503表1-93热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0437.895-26608.618-26170.722-0.01651.4.2.6 反应器热量衡算（R-0202）表1-94热负荷表WQHeat Duty(KW)0441.3264388812表1-95流股焓变计算表InOut物流编号208231209Temperature（）010.310Pressure（bar）555Vapor Frac000Mole Flow（kmol/hr）757.89354.637811.067Mass Flow（kg/hr）62377.995985.47563363.47Volume Flow l/min798.64416.305821.413Enthalpy Gcal/hr-22.503-3.743-25.866表1-96热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0441.326-30523.503-30082.177-0.01451.4.2.7 反应器热量衡算（R-0203）表1-97热负荷表WQHeat Duty(KW)0-19.912185794916表1-98 流股焓变计算表InOut物流编号209210Temperature（）1010Pressure（bar）55Vapor Frac00Mole Flow（kmol/hr）811.067809.99Mass Flow（kg/hr）63363.4763363.636Volume Flow l/min821.413821.02Enthalpy Gcal/hr-25.866-25.883表1-99热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0-19.912-30082.177-30102.2270.0006661.4.3 产品分离工段1.4.3.1 泵热量衡算（P-0301）表1-100 热负荷表WQHeat Duty(KW)-0.035137590表1-101流股焓变计算表InOut物流编号305306Temperature（）4141Pressure（bar）1.2261.2Vapor Frac00Mole Flow（kmol/hr）764.763764.763Mass Flow（kg/hr）60823.93360823.933Volume Flow l/min807.209807.208Enthalpy Gcal/hr-24.175-24.175表1-102 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff-0.03510-28115.382-28115.4047.834E-071.4.3.2 泵热量衡算（P-0302）表1-103 热负荷表WQHeat Duty(KW)0.2503467830表1-104 流股焓变计算表InOut物流编号324303Temperature（）4040.1Pressure（bar）1011Vapor Frac00Mole Flow（kmol/hr）127.208127.208Mass Flow（kg/hr）10126.77710126.777Volume Flow l/min150.208150.239Enthalpy Gcal/hr-3.476-3.476表1-105 热量平衡计算一览W（KW）Q（KW）Hin（KW）Hout（KW）Rel. diff0.2500-4043.165-4042.547-0.0001531.4.3.3 泵热量衡算（P-0303）表1-106 热负荷表WQHeat Duty(KW)4.855363470表1-107 流股焓变计算表InOut物流编号314315Temperature（）00.3Pressure（bar）0.1925Vapor Frac00Mole Flow（kmol/hr）584.024584.024Mass Flow（kg/hr）49602.47649602.476Volume Flow l/min605.94606.178Enthalpy Gcal/hr-17.75-17.743表1-108热量平衡计算一览W（KW）Q（