【摘要】 旋流型立筒预热器是我国正在推广使用的一种预热器型式，使用效果好。通过旋流型立筒器的模型实验，分析了该种预热器能达到较好效果的原因，并提出了进一步改进的意见。更多还原

【Abstract】 The swirl shaft preheeater has beed found popularly in China recently.Practice shows well. In this paper, based oil the experiment of sxvirl shaft preheater model,the reason that this type preheater can get good effect is analysized. The paper also givessome ideas of modification.更多还原