Exergy equation of steady state flow condition is used to calculate the exergy loss and exergy efficiency of the air treatment system and the cooling-box system of large scale air separation system.

• 应用稳流系统的火用方程对大型空分系统的空气处理系统和冷箱系统进行了火用及火用效率计算,进而可得知系统各个环节能源利用情况,同时简单介绍了减少火用损失、提高火用效率的一般措施。