aspen多vary多design specs的设计规定和塔板数对回流比 ...？ 我就是这么做的。但是存在矛盾现象，用nq曲线总是提示报错，得不到我希望的塔板数。不太明白应该怎么调。 ... 第二个问题nq曲线应该可以解决！模拟只出现了2个警告，估计应该没有影响吧？ * warning while generating results for unit operations block: "c1" (model: "radfrac") outside loop tolerance was satisfied but design spec iteration (middle loop) failed to converge. reached an optimum value. iteration = 2 feed stage = 12 objective function = 0.89853e+06 iteration = 3 feed stage = 10 objective function = 0.89853e+06 feed tray optimization converged for nstage = 27 optimum feed stage = 11 objective function = 0.89588e+06 * warning while generating results for unit operations block: "c1" (model: "radfrac") nq curve "1" stopped at stage "27" since there is no significant change in objective function when increasing number of stages. 查看更多
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