Exchanger (heatexchanger) : it is applicable to cool the treatment fluid used to feed pump, it has to be used in the duty-cycle operation of treatment fluid.
换热器(热交换器)：用于冷却供给泵的工作液，在工作液循环使用的过程中，必须具备。
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The heatexchanger CAD (HECAD) system is a CAD/CAE software developed for heavy-duty process heatexchanger.
热力系统换热设备CAD系统是针对重大过程换热设备而开发的CAD/CAE软件。
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By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...