介绍了FQFD 型清粉机的结构及工作原理;总结了影响清粉机清粉效率的因素,为实际工作过程中提高清粉机的清理效果提供指导;总结关于清粉机筛体工作时的应力分布及结构力学的研究,对寻找清粉机漏粉、跑料的原因提供参考,为筛格的设计提供依据.“,”In this review, the structure and working principle of FQFD type purifier sieve were introduced, the factors influencing the purifying efficiency of the purifier sieve were summarized, which provided guidance for improving the purifying effect of the purifier sieve in the actual work process, research on the stress distribution and structural mechanics of the sieve body in the course of work were reported, which offered reference for finding the reasons of the leakage and running of flour, and provide basis for the design of sieve lattices.