| 摘要 |
PROBLEM TO BE SOLVED: To provide a screen suitable for a coarse-mesh screen of a detritus tank in sewerage facilities. SOLUTION: In this screen, a plurality of vertically-elongated screen bars are arranged in parallel throughout the width of a water way in the state of maintaining predetermined intervals among them. In the plurality of screen bars, a 10-30°angle of inclination with respect to the bottom-surface direction of the water way is set so that the side of lower ends of them can be positioned on the upstream side of a water current flowing through the water way, and so that the side of upper ends of them can be positioned on the downstream side of the water way. COPYRIGHT: (C)2007,JPO&INPIT
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