Research On How To Complete The Full Collection And Total Processing Of Sewage

Whether the urban sewage system is perfect or not affects the quality of the water environment and further affects the living environment.At present,China's cities,especially the old city,the construction of sewage pipe network facilities is relatively backward,the drainage system is mostly combined sewer system.The sewage network in the region is complex and has many nodes.In some areas,the sewage pipe network has been in disrepair for a long time,resulting in different degrees of rupture,deformation,collapse,silting and other phenomena.Only a small amount of sewage has been discharged into the sewage treatment plant effectively,resulting in the fact that the average daily treatment capacity of the sewage treatment plant cannot meet the design requirements.In some areas,there is a lack of sewage pipe network.The combined flow of rain and sewage enters the sewage treatment plant through the open channel and the pumping station,resulting in heavier load on the sewage treatment plant in rainy days and lower COD concentration in the inlet water,which affects the sewage treatment effect.In some areas,the combined flow of rain and sewage is discharged directly into the natural water body,which seriously threatens the safety of water resources and environment.The construction of full collection and total processing of sewage is a requirement for the construction of national central cities and the demand for sustainable urban development.The improvement of sewage treatment system and the solution to the problem of direct discharge of sewage into rivers and lakes are the basis and premise for the protection of water resources and the optimization of water environment.Taking Jiao Qiao district of economic and technological development zone in Nan Chang city as an example,this paper,based on the investigation and analysis of the current situation of the drainage system and sewage treatment,puts forward the implementation of drainage planning,pipe network repair,sewage treatment plant rectification and other engineering measures and nonengineering measures such as strengthening propaganda and guidance,supervision and management on how to complete the sewage collection and treatment system,in order to provide some experience for other urban sewage collection and treatment systems.