| 摘要 |
A device for sorting fibre suspensions in the paper industry, the sorter having a separate outlet for a relatively lighter stuff fraction (light fraction), comprising a substantially rotational flow of the fibre suspension can be produced, means for introducing a proportion of the stuff for the purpose of after-cleaning in the proximity of the axis of rotation of the rotational flow, while. an outlet connection 8, coaxial to the axis of rotation, is disposed for the light fraction in an end wall of the sorter casing. A proportion of stuff which has undergone intermediate sorting is returned to the sorter casing through a casing extension 11 which is disposed around the light stuff outlet connection and forms an annular chamber. The fibre suspension is fed tangentially into the device through pipe 6, accepted stuff passes out via sieve 10 through pipe 19 and heavy dirt passes out through pipe 7. Another embodiment utilises a cylindrical screen, and a further embodiment, Figure 4, comprises a hydrocyclone. <IMAGE> |
