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| 摘要: |
| 利用PRO／Ⅱ化工流程模拟计算软件，预精馏塔和回收塔、加压塔和常压塔分别采用ALCO热力学计算模型和NRTL热力学计算模型并进行了热力学参数修正，以醇类、水作为关键组分，对甲醇精馏四塔流程进行模拟计算。通过计算各塔进料位置、回流比和理论板数等操作参数，对进料温度、操作压力进行了模拟优化。结果 表明，四塔流程精馏出的甲醇质量符合美国AA级和GB338—2004优等品要求，在能耗、操作稳定性、灵活性方面具有优势。 |
| 关键词: 甲醇 PRO／Ⅱ 精馏 四塔流程 模拟分析 |
| DOI： |
| 分类号:TQ028.31 |
| 基金项目: |
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| Simulation Analysis of Four Towers Flowsheet in Methanol Distillation Process |
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Huang Fenglin1,2,Xiang Xiaofeng2
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| Abstract: |
| The four-tower methanol distillation was done by using the chemical process simulation package PRO/II, in which alcohol and water were considered as key components. ALCO and NRTL thermodynamic models were selected for pre-distilling column, recovery colum |
| Key words: methanol,PRO/II,distillation,flow of fourth tower,simulation analysis |
