Patent ID: 9551108
Date: 2017-01-24
CPC Classifications: B07B,D21B,D21D

Claim:
1. A dispersion machine for removing impurities from fiber, comprising a housing, having a feed port at one end and a discharge port at the other end; a plurality of cutting blades rotatably and axially disposed between the feed port and the discharge port, and at least one of feed screw rods and/or discharge screw rods is coaxially disposed with the plurality of cutting blades in the housing between the feed port and the cutting blade and/or between the discharge port and the cutting blades, respectively, wherein each of the cutting blades comprises a connecting portion and a scraping portion, the scraping portion being adapted for contacting the fiber and providing a motion relative to a surface of the fiber so as to remove impurities thereon, and wherein the minimum dimension of the scraping portion is smaller than or equal to 5 mm; and the speed of motion of the scraping portion relative to the surface of the fiber is higher than or equal to 3 m/s.