延迟焦化模拟分馏塔的问题? 我在用pro/ii模拟延迟焦化主分馏塔时,模拟进料量按照产品来定义,侧线回流量按实际工艺操作来输入的,但是运行时分馏塔显示红色,并且塔的抽出量都是0 ,提示column calculations terminated. alpha ( the damping factor ) was below 0.01 for 4 consecutive iterations after 15 new matrix calculations.history is not available for this iteration 求助是什么原因,如何解决,谢谢 查看更多