| 摘要 |
A material separating device (10) includes a frame member (13) which carries a plurality of vertically arranged support members (19-23). Each of the support members (19-23) includes a plurality of support rods (19A-D, 20A-D, 21A-D, 22A-D, 23A-D). Screen elements (24-28) are stretched by adjustable tensioning devices (30) over each of the support members (19-23) to form screen panels (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) between the support rods (19A-D, 20A-D, 21A-D, 22A-D, 23A-D). Each successive screen panel (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) is inclined at a greater angle than the preceding screen panel (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) so that material being separated moves progressively faster as it traverses each screen element (24-28).
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