| 摘要 |
PROBLEM TO BE SOLVED: To provide a dust collector for lessening frequency of discharging rainwater which cannot be filtered in a discharge water passage. SOLUTION: The dust collector comprises a dust collection machine 6 arranged on an overflow weir 4 provided on an inflow part 3a to the discharge water passage 3 from a rainwater discharge chamber 2 of a conflux type drainage and for removing dust 5 in water overflowing the overflow weir 4, and a lift 7 lifting the dust collection machine 6 to the overflow weir 4. COPYRIGHT: (C)2005,JPO&NCIPI
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