一种新型的热偶精馏过程的节能分析与工业应用  

Energy-saving analysis and application of a new thermally coupled distillation process

作　　者：杨霞[1] 李玉刚[1] 郑世清[1] 

机构地区：[1]青岛科技大学计算机与化工研究所,山东青岛266042

出　　处：《现代化工》2007年第z1期318-321,共4页Modern Chemical Industry

摘　　要：总结了热偶精馏的技术进展、节能原理及适用范围,利用一工业实例对热偶精馏的节能进行了分析,根据工业实际情况,构建了实用的新型热偶精馏流程,并对该新流程的操作参数和操作条件进行优化。结果表明,该流程可大幅度降低能耗,文中所示的精馏过程可节省高压蒸汽49%,每年可创经济效益达270万元。The advances on the thermally coupled distillation process are briefly summarized,the principles of energy-saving as well as the application range of thermally coupled distillation are discussed.An industrial example of isomeric compounds separation is introduced,and the energy-saving technology of it is analyzed.A new flowsheet is presented according to the industrial application.The operational parameters and conditions are optimized,the results showed the new flowsheet could decrease energy-consumption hugely,it could save high-pressure steam consumption by 49% and could have a sum of 2.7 million yuan of economic returns annually.

关 键 词：精馏 节能 热偶精馏 预分离 

分 类 号：TQ028[化学工程]