介绍了浸浴式冷凝蒸发器和降膜式冷凝蒸发器的工作原理以及两者间的区别,展示了一些国外大型空分公司设计的液体分布器结构形式,并阐述了国内一些学者在换热器降膜传热和物流分配研究领域的成果。 This paper introduces the working principle of the immersion condensing evaporator and the falling film condensing evaporator and the difference between the two. It also shows the structure of the liquid distributor designed by some large foreign air branch companies and expounds some domestic scholars’ Falling film heat transfer and distribution of the results of the field of research.