aspen甲醇的合成

求大胆

***SEVERE ERROR
   FLASH CALCULATIONS FAILED TO CONVERGE IN  12  ITERATIONS.   BUBBLE POINT
   CALCULATION HAS DRIVEN THE TEMPERATURE DOWN TO THE LOWER LIMIT OF
   86.7423 DEGREE K.  BUBBLE POINT TEMPERATURE MAY NOT EXIST AT THE
   SPECIFIED PRESSURE.  BUBBLE POINT FLASH OF BOTTOMS FAILED.  BLOCK
   BYPASSED.

在做甲醇精馏DSTWU时出现这个错误，这是什么原因啊

封义又缝

楼主  问题解决了么？我也遇到这个问题了