20万t/a二甲醚合成装置的模拟与优化  

Simulation and optimization of 200 kt/a dimethyl ether synthesis unit

作　　者：李荣亚 康浩 杨志鹏 LI Rong-ya;KANG Hao;YANG Zhi-peng(Zhejiang Petroleum&Chemical Co Ltd,Zhoushan 316200,China;College of Chemical Engineering,China University of Petroleum(East China),Qingdao 266000,China)

机构地区：[1]浙江石油化工有限公司,浙江舟山316200 [2]中国石油大学(华东)化学工程学院,山东青岛266000

出　　处：《石化技术与应用》2025年第1期57-62,共6页Petrochemical Technology & Application

摘　　要：利用Aspen Plus软件对二甲醚(DME)合成装置的工艺流程建立了模拟模型,对该流程进行了物料与热量衡算,并利用Aspen Energy Analyzer软件对DME合成装置的换热网络进行了分析与优化。结果表明:DME合成装置可以得到质量分数为99.95%的DME产品,且该装置的物料与热量均守衡,验证了该工艺的可行性;优化后的DME合成装置工艺流程可节省热物流或冷物流能量10572.3 kW。A simulation model for the process flow of dimethyl ether(DME)synthesis unit was established by using Aspen Plus software.The material and heat balance of the process was calculated,and the heat exchange network of DME synthesis unit was analyzed and optimized by Aspen Energy Analyzer software.The results showed that the DME synthesis unit could obtain a DME product with a mass fraction of 99.95%,and the material and heat of the unit were all conserved,which verified the feasibility of the process.The optimized process flow of DME synthesis unit could save 10572.3 kW of hot or cold logistics energy.

关 键 词：二甲醚 流程模拟 Aspen Plus软件 Aspen Energy Analyzer软件 换热网络 能耗 优化 

分 类 号：TQ018[化学工程]