均温型甲醇合成塔的稳态模拟与分析

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1、莓6}江太劳硅士学覆论文摘要馨5盆8312本文璐匿亿联醇生产装鬻中蘸“均澄”型举醇合成塔为磷究对象，蓠毙建立了甲醇合栽塔催纯帮臻屡韵数学模型，并以VisualFortr趣：褥富为缡穆工具编写了催化涮床落模型参数的及算獠序，根据工厂实际擞产数据对模型参数进行了反箨，荠瓣爱葬获褥浆模型参数邀牙了骏诞。在建立甲醇合成塔健化昧摸型和获得模型参数的基础上，以AspenPlus软件为糖真乎蠹，采用VisualFortran实现了催纯荆霖屠酶仿真计算模块，并与AspenPlus软件相接接，建立了均温登甲醇合成塔的稳态模搋流程。文中运用AspenPlus软件的灵敏废分析工疑蹿甲醇合成塔静搡捧王

2、况避露了分析研究：分析了译醇合成塔圭副线流量比的合理控制区润，指出了存或一个最优的主割线流嚣张使得甲醇产量最大；分亳蓐7缀料气中CO会爨对甲醇会戚塔生产状瑷麴影嫡，解释了王厂实醛生产中CO含量过凑对甲醇会成塔湿度控毒4不稳定的现象；分聿斥了骤斟气中甲醇食量对早醇合成塔的影响，缱果表明当原料气中甲醇含量较低时，对原料气巾CO的转耽搴影喻不大。本文还通过调整模拟漉程和参数，研究了气体偏流对甲醇合成塔的彩响，结暴表明当镳流现象增强时，催纯剂床鼷的永平温差交太，阊辩菠瘫产物审静甲醇含量降低。关键谲：甲醇合成鸯_磊态穆髟搡作揣+ASp。n怒7晰江土学硕士学位论文ABSTRACTInthi

3、swork，amathematicsmodelofcatalystbedwasestablishedbasedonthe‘uniformtemperaturetype’ofmethanolsynthesisreactorinJuhuaAmmoniaFactory．AprogramWascompiledbyusingVisualFortranprogramminglanguage，whichWasusedtocalculatingthemodelparameters．Basedonthefelddata,wecalculatedthemodelparametersandvalid

4、atedthem．Afterestablishingthemathematicsmodelofcatalystbed，asteady-statesimulationflowsheetwasbuiltupbyusingAspenPlusastheplatformandasimulatingprocedureofthecatalystbedthatisimplementedwithVisualFortranandintegratedintotheAspenPlusflowsheet．ByusingsensitivityanalysistoolintheAspenPlus，wecar

5、riedoutaseriesofanalysisstudyontheoperationsituationsofthemethanolsynthesisreactor：1．ThesuitableintervaloftheflowrateratioofmainfeedtototalfeedWasstudied．Itisfoundthatalloptimalratioexiststoresultmaximumyieldofmethan01．2．TheinfluenceoftheconcentrationofCOinfeedontheoperationsituationoftherea

6、ctorWasanalyzedquantitatively．TheresultexplainedthephenomenoninthefactorythatthetemperatureofreactorwillbeinstableastheconcentrationofCOislli曲．3．TheeffectoftheconcentrationofCH30Hinfeedwasalsostudied．TheresultshowsthattheconversionratioofC0changeslittleiftheconcentrationofC1-130Hisnothigh-By

7、modifyingthesimulationflowsheetstructureandparameters，theinfluenceofthevariationofflowrateoverthesectionofreactoronthebehaviorofreactorWasstudied．ItWasfoundthatthevariationmightresultinanon-uniformdistributionoftemperatureoverthesectionofreactorand