| 摘要 |
PURPOSE: An initial rain water treatment apparatus for bridges is provided to easily clean and replace a filter, and to prevent the back flow phenomenon by the overload. CONSTITUTION: An initial rain water treatment apparatus(100) for bridges comprises the following: a drainage unit(200) for discharging rain water inside the bridges to the outside; a housing(600) located on one side of the drainage unit; a screen plate(300) for filtering foreign materials from the rain water; a filtering unit(500) filtering contaminants from the lower side of the screen plate; and a collection box(700) collecting the foreign materials.
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