介绍了利用射流分级技术改进氧化铝玛瑙填料质量的试验情况 ,采用正交试验法优化确定分级的工艺参数。试验结果表明 :分级后氢氧化铝玛瑙填料的粒度 (90 % ,质量分数 )可控制在 6 1μm以上 ,能有效地除去产品中的细粉 The experiment of improving the quality of alumina agate packing by using jet classification technology was introduced. The orthogonal test method was used to optimize and confirm the classified process parameters. The test results show that the granularity (90%, mass fraction) of the aluminum hydroxide agate filler after classification can be controlled above 6 1μm, which can effectively remove the fine powder in the product