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在选矿过程中筛分、分级作业对于降低能源消耗和提高精矿指标有着重要意义。旋流细筛综合了水力族流器、离心分级机和弧形筛细粒筛分的工作原理，作为两次分经得到3种产品的分级设备，目前处于国内外领先水平，具有广阔的应用前景，其结构如图1所示。1995年7月我们设备研究所制
In the beneficiation process screening, grading operations for reducing energy consumption and improve the quality of ore has important significance. Swirl fine sieve combines the working principle of hydraulic family, centrifugal classifier and sieve sieve. As the classification equipment for three kinds of products, it is currently the leading equipment at home and abroad and has a wide range of applications Prospects, the structure shown in Figure 1. July 1995, our equipment Institute system