| 摘要 |
An arrangement for screening pulp suspensions, comprising a casing (1) with an inlet (5) for inject and outlets (16, 18) for accept and reject. Between a stationary screening member (2) located in the casing (1) and a drum-shaped rotor (3) located inside the screening member, a screening zone (4) is formed. The inject inlet (5) is provided for the supply of the pulp to the lower portion of the inside of the rotor (3). At least one opening (6) is provided in the upper portion of the rotor (3) for transferring the pulp to the screening zone (4). The inside of the rotor (3) is formed for moving heavy impurities to a chamber (8, 13) in connection to one end of the rotor (3).
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