| 摘要 |
PURPOSE: An apparatus for reducing nonpoint pollutant for a catch basin installed on a bridge is provided to process big sludge such as leaves and plastic bags without disturbing the flow of sewage. CONSTITUTION: An apparatus for reducing nonpoint pollutant for a catch basin installed on a bridge comprises a drain box(100), a first upper guide partition wall(110,120), a second upper guide partition wall(130), lower guide partition wall(150), a flow guide wall and an anti-backflow member(170). The upper part of the drain box is connected to the upper drainpipe and the lower part is connected to the lower drainpipe. An upstream filter(140) is installed between the first upper guide partition wall and the second upper guide partition wall. The lower guide partition wall is installed on the location corresponding to the first upper guide partition wall. The anti-backflow member comprises a closed body(171) and a heavy body(172). |
