| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust collector of overflow water capable of smoothly collecting the dust contained in overflow water by rotating a drum screen using the hydraulic pressure of overflow water without using any other power source and by collecting the dust by filtration with the drum screen without clogging of the drum screen. SOLUTION: The dust collector is constituted of the drum screen 2 arranged rotatably on the upper position of an overflow weir 1 provided in a water-flow passage 6; and a filtered dust discharge trough 3 arranged between the drum screen and the discharge part of overflow water filtered with the drum screen 2 in the downstream side of the overflow weir 1, and receiving the dust removed by backwashing, which has been stuck on the outer surface of the drum screen 2, to discharge it to the outside. COPYRIGHT: (C)2005,JPO&NCIPI
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