RadFrac 不收敛 求高手帮忙解决？ 我用Aspen RadFrac 模拟 吸收塔 用MEA 吸收 CO2 出现如下错误 求高手解答 << Run reinitialized 18:00:03 Tue Apr 26, 2011>> ->Processing input specifications ... INFORMATION THERE ARE HENRY COMPONENTS DEFINED IN THIS CASE, THE BINARY DATABANK WILL BE SEARCHED AUTOMATICALLY FOR ANY AVAILABLE HENRY CONSTANTS. THE PAIR PARAMETERS FOR ELECNRTL OPTION SET HAS BEEN RETRIEVED FROM DATABANK ENRTL-RK. INFORMATION PURE COMPONENT PARAMETERS FOR SOME COMPONENTS ARE RETRIEVED FROM DATABANK. THESE PARAMETERS ARE USED WITH THE ELECNRTL OPTION SET UNLESS YOU ENTER YOUR OWN PARAMETERS IN PROP-DATA PARAGRAPHS. PARAMETER RKTZRA RETRIEVED FOR COMPONENT C2H7NO PARAMETER DHFORM RETRIEVED FOR COMPONENT C2H7NO PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT H2O PARAMETER PLXANT RETRIEVED FOR COMPONENT H2O PARAMETER CPDIEC RETRIEVED FOR COMPONENT C2H7NO PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT C2H7NO PARAMETER VLBROC RETRIEVED FOR COMPONENT CO2 PARAMETER PLXANT RETRIEVED FOR COMPONENT C2H7NO * WARNING THE FOLLOWING REACTIONS ARE LINEARLY DEPENDENT IN CHEMISTRY "GLOBAL", AND MAY CAUSE CHEMICAL EQUILIBRIUM CALCULATIONS NOT TO CONVERGE: 3 Flowsheet Analysis : COMPUTATION ORDER FOR THE FLOWSHEET: ABSORBER ->Calculations begin ... Block: ABSORBER Model: RADFRAC * WARNING REACTIVE FLASH FAILURE INSIDE LOOP RMSERR = 0.2207 OUTSIDE LOOP RMSERR = 4.1308D-05 INFORMATION COMPOSITE FEED FLASH FAILED TO CONVERGE; COLUMN CALCULATIONS CONTINUE. IF CALCULATIONS FAIL, SUPPLY T-EST, X-EST AND Y-EST *** SEVERE ERROR CMBAL CALCULATIONS FAILURE: RERUN WITH CHANGES SUGGESTED IF THERE ARE ANY. * WARNING REST OF BLOCK BYPASSED DUE TO SEVERE ERROR. ->Simulation calculations completed ... *** Warning(s) were issued during Input Translation *** *** Check the Run Status Results for more Information *** *** Summary of Simulation Errors *** Physical Property System Simulation Terminal Errors 0 0 0 Severe Errors 0 0 1 Errors 0 0 0 Warnings 0 0 2查看更多11个回答 . 1人已关注
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