| 摘要 |
PURPOSE: A classifier is provided to separate metal and oxides by pulverizing metal oxides, to adjust the input of raw material and the pulverization of the raw material, and to improve productivity through the pulverization of the metal oxides. CONSTITUTION: A classifier comprises: a classification inlet(31) in which one or more metal oxides flows in the outer circumference of the inlet; a housing(30) including first and second outlets(32,33) in which the metal oxides are pulverized and the separated metal and oxides are respectively discharged; first, second, and third switching units which are installed in the housing and open/close the inlet and the outlets selectively; and an impeller which is installed inside the housing and is rotated using a first driving part which is installed in a cover member.
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