In this paper the authors gives a current direct calculation method used for determining outlet mix water enthalpy of the collection heater with a drain pump by means of the concept of heating unit in circulating function,based on the normal energy balance method.
以常规热平衡方法为基础,借助于循环函数法中加热单元的概念,提出了带疏水泵汇集式加热器出口混合焓值的通用直接计算方法。