| 摘要 |
"AN APPARATUS TO FILTER THIN LAYERS OR FIBROUS SUSPENSIONS IN GENERAL" The present invention concerns an apparatus to filter thin layers or fibrous suspensions in general, including an entrance (3) of the suspension, a fixed perforated drum (6), a rotor (7) revolving therein, an exit (4) of the accepted part and an exit (5) of the refuse, and scrapers (8) rotating integrally with the rotor (7). Each scraper (8) positioned perpendicular to the drum (6) is carried by a scraper carrier (9). Spring-like means (10) push each scraper (8) against the drum (6). Disengaging means (11) are applied to each scraper carrier (9) so that the scrapers (8) may be shifted one by one from the said drum (6).
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