Summary of Rainwater and Sewage Pipeline Network Reconstruction in Old Residential Area under Urban Renewal
Due to the old residential areas built for a long time,there are the problems of rainwater and sewage mixing and breakage inordinately in the outdoor drainage system,which not only reduce the efficiency of sewage collection and affect the influent quantity and quality of wastewater treatment plant,but also cause the pollution to the surrounding environment.Therefore,the reasonable reconstruction of the drainage pipeline network in old residential area has become an important link in the work of treating the black-odor water body and improving the quality and efficiency of sewage.In order to probe the rainwater and sewage separation reconstruction,and the damaged pipeline network repair scheme,taking the quality and efficiency improvement project of sewage pipeline network in 20 residential areas in a district of Qingdao City as an example,the problems of rainwater and sewage pipeline network in these residential areas are analyzed,the reconstruction projects and reconstruction principles are determined and the relevant reconstruction schemes are proposed.After the implementation of the schemes,the rainwater and sewage in 20 old residential areas are completely separated,and the defective pipelines are also repaired,which realizes the reconstruction goal of fully collecting the domestic sewage of the residents and improving the sewage quality and efficiency.
urban renewalold residential arearainwater and sewage separationtrenchless repairimprovement of quality and efficiency
NETL
NSTL
万方数据
