1results about How to "Improve pollution interception effect" patented technology

The utility model relates to the technical field of municipal water supply and drainage pipeline, especially to a sewage intercepting trench in a culvert. The sewage intercepting trench in the culvert comprises: brick-laid side walls arranged at intervals along the leakage section of the existing retaining wall, river channel side walls arranged opposite to the brick-laid side walls, and prefabricated cover plates arranged on the top of the brick-laid side walls and the river channel side walls, a water outlet is formed between adjacent brick-laid side walls, and the river channel side walls are provided with waterproof structures. The sewage intercepting trench in the culvert provided by the utility model can alleviate the problem that sewage leakage from the retaining wall in the culvert is serious and it is difficult to trace the source and rectify.