上海化工
上海化工
상해화공
SHANGHAI CHEMICAL INDUSTRY
2011年
8期
15-17
,共3页
夹点技术%碳酸二甲酯%反应精馏装置%换热网络%优化
夾點技術%碳痠二甲酯%反應精餾裝置%換熱網絡%優化
협점기술%탄산이갑지%반응정류장치%환열망락%우화
Pinch technology%Ethylene carbonate%Rectification reactor%Heat exchanger network%Optimization
利用Aspen Plus软件计算出冷流股和热流股的焓变,然后运用夹点技术对碳酸二甲酯反应精馏装置换热网络进行优化分析。计算结果表明,优化后的换热网络节能效果较好。通过小试数据,可以推断中试乃至工业化装置的换热网络节能情况。
利用Aspen Plus軟件計算齣冷流股和熱流股的焓變,然後運用夾點技術對碳痠二甲酯反應精餾裝置換熱網絡進行優化分析。計算結果錶明,優化後的換熱網絡節能效果較好。通過小試數據,可以推斷中試迺至工業化裝置的換熱網絡節能情況。
이용Aspen Plus연건계산출랭류고화열류고적함변,연후운용협점기술대탄산이갑지반응정류장치환열망락진행우화분석。계산결과표명,우화후적환열망락절능효과교호。통과소시수거,가이추단중시내지공업화장치적환열망락절능정황。
Enthalpy changes of cold stream and hot stream were calculated by Aspen Plus software.Then heat exchanger network of rectification reactor for ethylene carbonate production was optimized by using pinch technology.It showed that the optimized heat exchanger network had a better energy-saving effect.The energy efficiency of heat exchanger network for pilot-scale and even industrial unit might be deduced according to the lab test.
