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T0403-乙二醇精制塔详细设计报告汇报人:张XX2016.1.19自加氢反应产物气液分离器TJU-PFD-04P0401A/BP0402A/BP0403A/BP0404A/BP0406A/B/C/DP0408A/BA0401A0402P0409A/B不凝气放空TJU-PFD-00E0401换热器T0401乙二醇脱轻塔T0402乙二醇精制塔T0403二甘醇精制塔E0402换热器V0403杂醇储罐V0404乙二醇储罐V0405二甘醇储罐V0401塔顶回流罐V0401塔顶回流罐P0405A/B/C/D1.设计要求项目乙二醇二乙二醇原料组成(mol%)0.9840.016产品要求(mol%)0.999生产能力(kg/h)6946(进料)6766(顶)180(釜)设备类型:填料塔规整填料—250Y型板波纹填料2.操作条件:塔顶压力/kPa50进料T/℃174.9泡点进料最小回流比1.02Aspen模拟理论板数20Aspen模拟3.灵敏度分析:回流比6理论级数30进料位置18灵敏板28回流比&塔顶产品质量:SensitivityResultsCurveVARY1D5COL-SPECMOLE-RRC2H6O2%0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.00.990.9920.9940.9960.9981.0REFLUXR(STAGES=50):6理论级&塔顶产品质量:STAGES(R=6):30SensitivityResultsCurveVARY1D5PARAMNSTAGEC2H6O2%0.03.06.09.012.015.018.021.024.027.030.033.036.039.042.045.048.051.00.9840.9860.9880.990.9920.9940.9960.9981.0FEEDIN进料位置&塔顶产品质量:FEEDINSTAGE:18Stages=30,R=6SensitivityResultsCurveVARY1D521FEEDSSTAGEC2H6O2%0.03.06.09.012.015.018.021.024.027.030.033.036.039.042.00.9940.9950.9960.9970.9980.999FEED灵敏板:28Stages=30,R=6,FEEDINSTAGE:18BlockD5:TemperatureProfileStageTemperatureC1.03.05.07.09.011.013.015.017.019.021.023.025.027.029.031.0180.0190.0200.0210.0220.0TemperatureC灵敏板:28Stages=30,R=6,FEEDINSTAGE:18BlockD5:VaporCompositionProfilesStageY(molefrac)1.03.05.07.09.011.013.015.017.019.021.023.025.027.029.031.00.20.40.60.81.0C2H6O2C4H10O34.塔经计算:4sVDuM162.1M2105T1174.8T2184.4P150P250气相密度1/Kg/m30.852173气相密度2/Kg/m31.410641液相密度1/Kg/m3972.6278液相密度2/Kg/m3926.2567粘度1/mPa.s0.687152粘度2/mPa.s0.480789Wl16767.271Wl2178.4807贝恩(Bain)—霍根(Hougen)关联式:1/41/820.213lgVVFLLLVLuawAKgwA:0.291K:1.75/0.6~0.95FuuUf:1.1670.791取小者U:m/s0.8170.553精馏段提留段泛点率=0.74.塔经计算:4sVDuM162.1M2105T1174.8T2184.4P150P250气相密度1/Kg/m30.852173气相密度2/Kg/m31.410641液相密度1/Kg/m3972.6278液相密度2/Kg/m3926.2567粘度1/mPa.s0.687152粘度2/mPa.s0.480789Wl16767.271Wl2178.4807V1/m3/s15.45909V2/m3/s9.223943Aspen精馏段提留段Vs/kmol/h763.7754.3D14.388圆整4.4D25.3305.44.塔经计算:4sVDuM162.1M2105T1174.8T2184.4P150P250气相密度1/Kg/m30.852173气相密度2/Kg/m31.410641液相密度1/Kg/m3972.6278液相密度2/Kg/m3926.2567粘度1/mPa.s0.687152粘度2/mPa.s0.480789Wl16767.271Wl2178.4807D14.388圆整4.4D25.3305.4校核:u10.74299u20.74299泛点率10.636892泛点率20.939827D=4.6m5.液体喷淋密度:20.785hLUD(最小液体喷淋密度:0.2)Lh/m3/h48.704U2.9321hL——液体喷淋量,m3/h;=47370.902kg/h(aspen)hL6.填料层高度TZHETPNNT30(ASPEN模拟)HETP0.4(2.5-2.8)每米填料理论板数安全系数1.5Z/m1810.8(精馏段)7.2(提留段)7.填料层分段三个液体分布器6m/段&6&4.86&1.2(规整填料——250Y型板波纹填料)(规整填料——250Y型板波纹填料)8.填料层压降()vPuZ每米填料层压降Pa/m查附录六0.3kpa/m总压降:精馏段kpa3.245.4提留段kpa2.169.塔高包括填料层高度,喷淋装置、再分布器、气液进出口所需的高度,底部及顶部空间高度、人孔高度以及支座高度等部分。塔的顶部空间11.5填料层高度118封头高度23.757.5填料间距30.82.4群座122塔高:m31.410.塔设备的结构设计填料支承装置:格栅板填料压紧装置:栅板型床层限制板液体分布装置:槽盘式液体分布器液体收集及再分布装置:槽盘式液体分布器除沫器:丝网除沫器裙座:圆筒形Q235-A接管:体积流量m3/h流速m/s直径mm圆整mm流速校核m/s进料管0.00201.541421.4塔顶出料管15.44151145120013.7塔顶回流管0.01161.5991001.5塔釜出料管0.01931.51281301.5塔釜回流管12.67151037120011.2容器法兰:甲型平焊法兰管法兰:管法兰法兰:11.强度设计壁厚的计算Q235-A钢板负偏差+腐蚀余量P/Mpa假设dn/mm有效厚度de壁厚附加量CL/Do0.0597.71.33.90Do/deA屈服应力MpaB[P]Mpa599.70.00025235350.05835912.封头标准封头:K1=a/b=0.9当量球壳外Do=4156.2mm封头高度:1870.2mm圆整m:2.0封头壁厚,裙座等......液压实验p/Mpa0.05Pt/Mpa0.0625bT16.003470.9Bs8211.5满足()=0.92TieTsepD13.液压实验压力试验试验压力为:1.25Tpp液压试验应力校核条件:14.强度校核15.控制方案16.Hazop分析17.开停车方案T0403-乙二醇精制塔详细设计报告汇报人:张XX2016.1.19ThankYou!
本文标题:Icheme设计乙二醇精制塔.
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