| 摘要 |
This invention provides a screen apparatus having an enhanced capacity for separating foreign matter from fibers of an acceptable quality in paper-making material. The screen apparatus S comprises: a sealed casing 1 having a paper-making material supply port 1 a, a refined paper-making material discharge port 1 b positioned above the paper-making material supply port 1 a and a foreign matter discharge port 1 c positioned above the refined paper-making material discharge port 1 b; a screen 2 for dividing the interior of the sealed casing 1 into a first chamber 1 A and a second chamber 1 B and for separating foreign matter in the paper-making material, the screen being of cylindrical shape with end portions both open, the screen having circular holes or slit-like openings on a side face thereof and which screen is stood within the sealed casing 1 in such a way that a direction of height thereof faces a vertical direction; a rotor 7 disposed inside the screen 2 within the first chamber 1 A and having an agitating member 7 a for agitating the paper-making material within the sealed casing 1; and a water supply passage 10 mounted onto the sealed casing 1 so that a water spouting port 10 a opposes the top end face 7 T of the rotor 7.
|
