| 摘要 |
PCT No. PCT/SE97/01681 Sec. 371 Date Mar. 30, 1999 Sec. 102(e) Date Mar. 30, 1999 PCT Filed Oct. 7, 1997 PCT Pub. No. WO98/15335 PCT Pub. Date Apr. 16, 1998An apparatus for separating bodies from a flowing liquid in which the apparatus includes a rotary conveyor helix (3) which is disposed at an angle with the horizontal and has a lower portion (10) which forms a screening device (40) and an upper portion where discharge takes place of material which has been displaced by the conveyor helix (3) from the screening device to the upper portion. At least one extra screening device (70) is disposed adjacent to the first screening device (40) for lateral transport to the first screening device of material which has been entrapped by the extra screening device. |
