The utility model relates to the field of an oil fume purifier,and discloses a rotating screen plate and an oil fume purifier,comprising a center plate and a connecting ring concentrically arranged outside the center plate,between the center plate and the connecting ring,a plurality of oil cutting strips are distributed at intervals around the circumference of the center disc,the cross section of the oil cutting strips is arranged in a rectangle,and an air trough is formed between the oil cutting strips.Compared with the prior art,the section setting of the cut oil strip can improve the interception efficiency of the oil fume,and thus improve the purification efficiency of the oil fume.
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