【摘要】 根据传热学基本理论 ,确定了影响火力发电厂热力系统中疏水冷却器变工况特性的主要因素 ,建立了疏水冷却器变工况特性的数学模型 ,拟合了适合工程实际的任意工况下疏水冷却器下端差的简化计算公式并提出了带有疏水冷却器的回热加热器的变工况计算方法更多还原

【Abstract】 The main factors influenced the partial load performance of the drain cooler in thermal system of power plant are investigated based on the heat transfer theory. The mathematical model is developed and relationship is created to calculate the lower temperature difference of the drain cooler in partial load. The relationship is simple and advantageous, suitable for the engineering application.更多还原