This paper mainly probes into some basic flows of multistagedistillation equipment, studies their features and analyzes applied conditions from the viewpoint of energy saving.
探讨了几十种基本的多级精馏装置的流程，并从节能的角度研究和分析它们的特点及适用条件。
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The mathematic model of multistage multi-component distillation is composed of material equation, heat equation, and equilibrium equation, namely MESH equation.