附录二能量衡算

广西华谊能源化工有限公司 20万吨/年醋酸乙烯酯项目广西华谊能源化工有限公司20万吨/年醋酸乙烯酯项目能量衡算湖南理工学院 易燃易爆炸 团队队员：甘美林 刘顺 龚智超 尹政 赵倩指导老师：黄燕 华杰 许卫凤 曾乐林 李珊目录1.1 能量衡算的意义21.2 能量衡算的原则21.3 能量衡算21.3.1 反应工段能量衡算21.3.2 分离工段能量衡算51.3.3 脱碳工段能量衡算71.1 能量衡算的意义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。1.2 能量衡算的原则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，并进行了该热量衡算书的编制。其中一个主要依据是能量平衡方程：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；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1.3.1 反应工段能量衡算表1-1反应器R0101能量衡算表INOUT流股编号10801181Temperature C160158.80164.07157.54Pressure bar10695.8Vapor Frac1010.1Mole Flow kmol/hr5952.034136125805.43413612Mass Flow kg/hr231785245220231785245220Volume Flow cum/hr19997.72269.87227378234.1Enthalpy Gcal/hr-230.6468-896.7-242.5681-884.8H Gcal/hr-1127.35-1127.37Q Gcal/hr-11.9155Hin Gcal/hr-1127.35Hout Gcal/hr-1127.37表1-2 蒸发塔T0101能量衡算表INOUT流股编号489Temperature C130.9221145145Pressure bar131110.85Vapor Frac011Mole Flow kmol/hr1186.84765.2345952.034Mass Flow kg/hr71192.99160592231785Volume Flow cum/hr76.8964814781.6517559.21Enthalpy Gcal/hr-133.2364-107.3902-232.7507H Gcal/hr-240.6266-232.7507Q Gcal/hr7.87645Hin Gcal/hr-240.6266Hout Gcal/hr-232.7507表1-3 循环气洗涤塔T0102能量衡算表INOUT流股编号17192025Temperature C42.703084045.0510443.98535Pressure bar8.21188.2Vapor Frac1010Mole Flow kmol/hr3951.076423893.334204.7426Mass Flow kg/hr137245756.641813295811347.02Volume Flow cum/hr12185.640.772581612443.6712.28524Enthalpy Gcal/hr-111.0842-2.855929-107.6661-18.32892H Gcal/hr-113.940129-125.99502Q Gcal/hr0Hin Gcal/hr-113.940129Hout Gcal/hr-125.99502表1-4 脱气塔T0103能量衡算表INOUT流股编号29383031Temperature C109.865193.543.9Pressure bar20.815.513.413Vapor Frac0001Mole Flow kmol/hr2057.802171.92921783.732446Mass Flow kg/hr1058848360.89798453.3615791.33Volume Flow cum/hr130.38899.510715128.7956841.5392Enthalpy Gcal/hr-172.0401-14.88483-168.3502-12.92674H Gcal/hr-186.92493-181.27694Q Gcal/hr-3.78827Hin Gcal/hr-186.92493Hout Gcal/hr-181.27694表1-5 洗涤塔T0107能量衡算表INOUT流股编号3235583637Temperature C43.9404043.864.7Pressure bar13161812.512.5Vapor Frac10010Mole Flow kmol/hr98.1222.2033710553.39419171.9292Mass Flow kg/hr3474.0924006303.6541816.858360.897Volume Flow cum/hr185.13860.40842665.985679106.92339.506441Enthalpy Gcal/hr-2.843883-1.50975-12.05489-1.522048-14.88648H Gcal/hr-16.408523-16.408528Q Gcal/hr0Hin Gcal/hr-16.408523Hout Gcal/hr-16.4085281.3.2 分离工段能量衡算表1-6 共沸精馏塔T0104能量衡算表INOUT流股编号3064685152Temperature C193.540.194.468.4133.5Pressure bar13.441.51.31.6Vapor Frac00110Mole Flow kmol/hr1783.7321597.937402321.6691100Mass Flow kg/hr98453.361151671325.95214890866038.28Volume Flow cum/hr128.7956129.5038795.595248792.5571.6242Enthalpy Gcal/hr-168.3502-116.7035-2.033483-149.7213-123.4669H Gcal/hr-287.0872-273.1882Q Gcal/hr0Hin Gcal/hr-287.0872Hout Gcal/hr-273.1882表1-7 汽提塔T0105能量衡算表INOUT流股编号656668Temperature C40.1113.494.4Pressure bar31.61.5Vapor Frac001Mole Flow kmol/hr426.2864386.286440Mass Flow kg/hr8289.016963.0581325.952Volume Flow cum/hr8.6794817.703274795.5952Enthalpy Gcal/hr-28.67197-25.77987-2.033483H Gcal/hr-28.67197-27.813353Q Gcal/hr0Hin Gcal/hr-28.67197Hout Gcal/hr-27.813353表1-8 精制塔T0106能量衡算表INOUT流股编号70717273Temperature C55.293.643.584.5Pressure bar3.81.51.21.5Vapor Frac0000Mole Flow kmol/hr532.64570.3457187240292.3Mass Flow kg/hr38389.0313230.6213201.0525161.18Volume Flow cum/hr44.20926.799415.6419729.76927Enthalpy Gcal/hr-38.61248-0.031476-14.63651-23.73277H Gcal/hr-38.61248-38.400756Q Gcal/hr-5.87067Hin Gcal/hr-38.61248Hout Gcal/hr-38.4007561.3.3 脱碳工段能量衡算表1-9 CO2吸收塔T0108能量衡算表INOUT流股编号36504041Temperature C43.80420Pressure bar12.5011.50Vapor Frac1010Mole Flow kmol/hr53.39419033.20570.0934688Mass Flow kg/hr1816.850932.00740.189371Volume Flow cum/hr106.9233071.358760.00132025Enthalpy Gcal/hr-1.5097500.3582065.32E-07H Gcal/hr-1.509750.365315031624Q Gcal/hr0Hin Gcal/hr-1.50975Hout Gcal/hr0.365315031624表1-10 解吸塔T0109能量衡算表INOUT流股编号434445Temperature C000Pressure bar000Vapor Frac000Mole Flow kmol/hr0.09346880.07285970Mass Flow kg/hr0.1893