摘要：针轮转子双产品超细分级机用一种辐射状迭置针苗组成的针轮分别做分散转子与分级转子,应用离心原理分级。这种新型超细选粉机能耗比较低。

关键词：针轮转子;离心;分级机;分级效率;

Abstract: A new ultrafine separator with bristle assembly rotor makes useof radial layered bristle other than powder disc or impellers as rotorswhich activate rotary flow. This separator has better efficiency in separation and lower resistance.

Key words: bristle assembly rotor; classifier; grading efficiency