The Design Of Advise Nongshan Town Sewage Treatment Plant And Constructed Wetland Park Project

Advise Nongshan Town to be located east of Changchun Expressway.In recent years,it has relied on regional resources to focus on the development of ecotourism,leisure tourism and other tourism industries and related service industries.In order to enhance the regional tourism image and status,and at the same time,in order to maintain the balance between the environment and ecology and ensure the sustainable development of society,it is necessary to raise the issue of solving water pollution on the agenda.On the basis of a comprehensive analysis of water quality and quantity,combined with the environmental status,economic conditions and processing requirements of the town of Tannong Town,the project was designed to persuade Nongshan Town Sewage Treatment Plant and Constructed Wetland Park.The specific design content is as follows:1.The sewage treatment plant is constructed in accordance with the scale of 20,000 m3/d in the near future.The main contents are: coarse grid,lifting pump room,fine grid,aerated grit chamber,membrane grid,modified A2O+MBR biochemical system,disinfection contact pool For blower rooms,etc.,the treated water is referenced to "Surface Water Environment Quality Standard"(GB3838-2002)and meets Category IV standards.For the disposal of surplus sludge,a new sludge thickening tank and dewatering machine room shall be built to ensure that the moisture content of the sludge after treatment is ?80%,and the sludge shall be transported for disposal.2.Designed artificial wetland system consisting of influent observation platform,biologically enhanced aeration unit,surface flow constructed wetland unit,subsurface flow constructed wetland unit,and oxidation pond unit.Refer to the “Surface Water Environment Quality Standard”(GB3838-2002)for wastewater treatment.The class IV effluent treatment plant of the treatment plant was class III effluent and then entered Shitoukoumen Reservoir.