换热器计算问题? 这些天用严格换热器计算时老出现这种情况:* warning ** unit 6, 'e4' - solids may exist in this flowsheet. the rigorous heat exchanger presently cannot handle solids and will fail to solve if any solids appear in feed streams of this unit operation.我明明设定的是液体的。哎,真头疼,请高手指点 查看更多