多头螺旋管式换热器换热与压降计算  

Calculation and application of heat transfer and pressure drop in heat exchanger with multi-start helical coiled tubes

作　　者：周云龙[1] 孙斌[2] 张玲[1] 李岩[1] 洪文鹏[1] 

机构地区：[1]东北电力学院动力系,吉林吉林132012 [2]华北电力大学动力系,河北保定071003

出　　处：《化学工程》2004年第6期27-30,34,共5页Chemical Engineering(China)

摘　　要：从实际工程设计出发,对多头螺旋管式换热器的设计进行了研究,提出了多头螺旋管束受热面结构的设计方法,推荐了螺旋管内外的传热系数和压降的计算关系式。并对200MW蒸汽发生器进行了实例设计计算。The design method of the heat exchanger with multi-start helical coiled tubes was researched to meet of engineering practice.The structure design of multi-start helical tubs bundle was presented.The correlations to calculate heat transfer coefficient and pressure drop for the inside and outside of helical coiled tubes were recommended.The design calculation of 200 MW steam generator was made.

关 键 词：热交换器 传热 压降 螺旋管 

分 类 号：TQ051.5[化学工程]