建立了带有冷凝水闪蒸和额外蒸汽引出的并流多效蒸发系统工艺计算的数学模型，用计算机辅助计算方法求解。
The model of cocurrent multi-effect evaporation with extra vapor elicitation and condenser water flash is established. A computer-aided calculating method is presented.
建立了带有冷凝水闪蒸和溶液闪蒸等节能措施的逆流多效蒸发淡碱浓缩系统优化设计的数学模型。
The model of complex countercurrent multi-effect evaporation with condensed water flash and extra vapor withdrawal is established.
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