This paper introduces the structure model and the principle of selfbalancing circulating dipleg of solid fine in the fluidized bed system.The fluid dynamic behavior is quanlitively analysed.

• 本文介绍了一种固体细颗粒循环料腿的自力平衡结构模型（单气路式）及其工作原理，对该结构模型进行了流体力学分析，并分析了各种因素对自力平衡效果的影响趋势。