年产5万吨甲醇氧化制甲醛工艺生产过程设计The Design of Production Process of Formaldehyde byMethanol Oxidation(50kt/a)目录摘要...................................................................... ........................................................................ (I)Abstract ............................................................... ......................................................................... II 引言...................................................................... ........................................................................ .. 1 第一章甲醇氧化制甲醛工艺进展 ..................................................................... .. (2)1.1甲醛简介 ..................................................................... (2)1.2制甲醛的意义 ..................................................................... . (2)1.3甲醛生产现状及发展前景 ..................................................................... .. (2)1.4工业上制备甲醛的方法 ..................................................................... (3)1.4.1 银催化氧化甲醇制甲醛 ..................................................................... .. (3)1.4.2铁钼法氧化甲醇制甲醛 ..................................................................... (3)1.4.3 甲醇脱氢制甲醛 ..................................................................... .. (4)1.5 Aspen Plus的简介 ..................................................................... (5)1.5.1Aspen Plus的介绍...................................................................... (5)1.5.2Aspen Plus的应用...................................................................... (5)1.6 本课题研究的主要内容 ..................................................................... ............................. 6 第二章甲醇氧化制甲醛生产工艺流程...................................................................... . (7)2.1工业生产甲醛制备方法对比 ..................................................................... . (7)2.2甲醛工艺流程 ..................................................................... . (7)2.2.1工艺条件的确定 ..................................................................... (7)2.2.2反应原理 ..................................................................... (7)2.2.3反应工艺过程描述 ..................................................................... ................................... 8 第三章流程模拟 ..................................................................... .. (10)3.1流程模拟概述 ..................................................................... .. (10)3.1.1氧化反应工段 ..................................................................... .. (11)3.1.2气液分离模块 ..................................................................... .. (15)3.1.3吸收模块 ..................................................................... . (17)3.1.4精馏模块 ..................................................................... ................................................. 19 结论...................................................................... ........................................................................22 致谢...................................................................... ........................................ 错误～未定义书签。
参考文献 ..................................................................... (23)年产5万吨甲醇氧化制甲醛工艺生产过程设计摘要:甲醛是有机化工重要的基本原料，应用非常广泛。
甲醇氧化制甲醛是工业生产甲醛的主要途径。
本设计采用Aspen plus软件，对铁钼法甲醇氧化制甲醛生产工艺进行了模拟与优化。
通过Aspen plus软件，对甲醛生产工艺模拟与优化，得出的工艺条件为:反应器的反应温度285?，压力1bar，精制塔主要条件为:进料甲醛的流量168.315kmol/h，理论板数为36块，进料位置为第16块，压力3bar，回流比 3.6。
产物甲醛的含量为36.9%。
关键字:甲醇铁钼法氧化甲醛 AspenPlus 模拟IThe Design of Production Process of Formaldehyde by MethanolOxidation(50kt/a)Abstract:Formaldehyde is an important basic organic chemical raw materials, application is very broad.Methanol oxidation of formaldehyde is the main way for industrial production of formaldehyde.This design adopts the Aspen plus software, the iron molybdenum methanol oxidation formaldehyde production technology has carried on the simulation and optimization system.By Aspen plus software, the formaldehyde production process simulation and optimization, it is concluded that the technology conditions as follows:Reactor, reaction temperature 285 ?, pressure 1 bar, main conditions for refining tower: the flow of feed formaldehyde 168.315 kmol/h, theoretical plate number is 36 pieces, feeding position for 16 pieces, 3 bar pressure, reflux ratio of 3.6.Formaldehyde content of product was 36.9%. Key words: methanol;Iron molybdenummethod;oxidation;formaldehyde;Aspen plus; simulation引言甲醛有刺激性气味无色气体，易溶于水(福尔马林)，用于合成材料,还可用于生物标本制作，破坏生物的蛋白质组织，能防腐。