螺旋折流板换热器简介及相关尺寸的算法

Brief Introduction to Spiral Baffle Heat Exchanger and Method of Calculation of Relevant Dimensions

介绍了螺旋折流板换热器的起源与发展、壳程结构形式和流动原理,对其传热和阻力降的研究现状进行了总结,并给出了结构设计中相关尺寸的计算方法。目前螺旋折流板换热器的研究尚处于起步阶段,解决折流板加工和管束组装难题、提高生产效率、加快螺旋折流板换热器的推广应用是迫切需要解决的问题。

A presentation is given of the origin and development of the spiral baffle heat exchanger, its shell pass structure and flow principle ; the present status of study of its heat transfer and drop in resistance is summed up and a method of calculation is put forward for the relevant dimensions in struttural design. The study of this type of exchanger is currently just at the initial stage, and the problems to be solved urgently include difficulties in the processing of the baffle and the assemblage of pipe bundies, improvement on production efficiency, and speed in the application and dissemination of the exchanger.