精馏塔简洁计算时遇到的问题,运行有错误,但是找不到在 ...? 这是运行错误时出现的提示 * WARNING WHILE CHECKING INPUT SPECIFICATIONS INCONSISTENT FREE-WATER DETECTED FOR STREAM "1" GLOBAL FREE-WATER: NO BLOCK "B1" FREE-WATER: YES Flowsheet Analysis : COMPUTATION ORDER FOR THE FLOWSHEET: B1 ->Calculations begin ... Block: B1 Model: DSTWU *** SEVERE ERROR FLASH CALCULATIONS FAILED TO CONVERGE IN 10 ITERATIONS. BUBBLE POINT CALCULATION HAS DRIVEN THE TEMPERATURE DOWN TO THE LOWER LIMIT OF 14.9837 DEGREE K. BUBBLE POINT TEMPERATURE MAY NOT EXIST AT THE SPECIFIED PRESSURE. BUBBLE POINT FLASH OF FEED TO CALCULATE FEED QUALITY FAILED. FEED VAPOR FRACTION USED FOR QUALITY. *** SEVERE ERROR K-VALUE OF LIGHT KEY COMPONENT IN DISTILLATE IS 0.18446-164 AT A DISTILLATE TEMPERATURE OF 20.940. UNABLE TO CALCULATE MINIMUM NUMBER OF STAGES. CALCULATIONS BYPASSED. ** ERROR BLOCK B1 IS NOT IN MASS BALANCE: MASS INLET FLOW = 0.87524255E+01, MASS OUTLET FLOW = 0.76283630E+01 RELATIVE DIFFERENCE = 0.14735305E+00 查看更多10个回答 . 2人已关注