评价工质确定蒸发温度的热力学指标

THERMODYNAMIC INDEX FOR EVALUATE WORKING FLUIDS AND DETERMINE THE TEMPERATURE OF EVAPORATION

工业企业中低于150℃的低温余热数量多、品质低,动力利用难度大,对所采用的工质和循环方式应谨慎选择。本文对朗肯、扩容和卡林那循环的热力学完善性进行比较,并推荐了一个评价工质、确定最佳蒸发温度的指标。 一、余热动力利用装置(火用)

By Comparison of several methods utilizing low temperatur heat for power generation, the kalina cycle was confirmed with good thermodynamic nature. A thermodynamic index is recommended for evaluate working fluids and determine the temperature of evaporation.