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Enhanced ecological wetland treatment facility for treating sewage and method thereof

A technology for ecological wetlands and treatment facilities, applied in chemical instruments and methods, sustainable biological treatment, multi-stage water/sewage treatment, etc., can solve the problems of insignificant purification effect and low treatment efficiency, and solve the problem of sludge disposal. , low cost, wide range of effects

Active Publication Date: 2012-04-04
苏州德华生态环境科技股份有限公司
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AI Technical Summary

Problems solved by technology

Due to the low treatment efficiency of surface flow constructed wetlands, a large amount of water and land are needed to ensure the purification effect, and once non-point source pollution is input, the purification effect is not obvious

Method used

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  • Enhanced ecological wetland treatment facility for treating sewage and method thereof
  • Enhanced ecological wetland treatment facility for treating sewage and method thereof
  • Enhanced ecological wetland treatment facility for treating sewage and method thereof

Examples

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Embodiment Construction

[0023] The invention designs a more efficient artificial wetland sewage sludge treatment system, which solves the problem of incomplete treatment caused by using only one filter bed. This facility is suitable for the treatment of rural domestic sewage, urban landscape water and lake sewage. It has the characteristics of high treatment efficiency, quick effect, good stability, no secondary pollution, flexible operation and wide application range.

[0024] Such as figure 1 As shown, the enhanced ecological wetland treatment facilities for sewage treatment include sedimentation tanks, vertical and horizontal flow combined filter beds, sludge drying beds and secondary ecological wetlands. The sewage outlet of the sedimentation tank is connected to the vertical and horizontal flow combination The filter bed, the water outlet of the vertical flow and horizontal flow combination filter bed is connected to the secondary ecological wetland, and the secondary ecological wetland discharg...

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Abstract

The invention relates to an enhanced ecological wetland treatment facility for treating sewage and a method thereof. A sedimentation tank is used to remove floating objects and settleable suspended matters from the sewage; a water body treated by the sedimentation tank is uniformly distributed on a vertical flow filter bed of a vertical flow and horizontal flow combined filter bed through a waterdelivery and distribution system; the effluent enters a horizontal flow filter bed of the vertical flow and horizontal flow combined filter bed through a water collecting pipeline; after the pollutedwater body is biochemically treated by the vertical flow filter bed and the horizontal flow filter bed, the water body enters a secondary ecological wetland through the water collecting pipeline and is discharged into a natural water body after being purified; and the settled sludge in the sedimentation tank is discharged into a sludge drying bed and then is stabilized, and a percolate reflows tothe sedimentation tank for re-treatment. The method for treating the polluted water body by combining the sedimentation tank, the vertical flow horizontal flow filter beds and the sludge drying bed not only effectively treats the polluted water body, but also solves the problem of sludge disposal with low cost, and is suitable for the treatment of rural domestic sewage, city landscape water, polluted water bodies of rivers and lakes and the like.

Description

technical field [0001] The invention relates to an enhanced ecological wetland treatment facility and method for treating sewage, and belongs to the technical fields of environmental protection engineering and water treatment. Background technique [0002] With the rapid development of social economy, the excessive consumption of natural resources, the deterioration of the ecological environment, especially the increasingly serious phenomenon of water pollution and eutrophication. In order to meet the requirements of sustainable development, it is urgent to find scientific, safe, easy-to-maintain, economically feasible, and ecologically-friendly means to treat sewage. [0003] At present, pollution source control and ecological restoration methods are mainly used for governance, and constructed wetlands are one of the important scientific means. Constructed wetland is an ever-evolving sewage land treatment technology. The basic principle of water purification technology in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F3/32C02F3/34
CPCY02W10/10
Inventor 杜建强
Owner 苏州德华生态环境科技股份有限公司
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