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Vertical multistage constructed wetland device

A constructed wetland and vertical technology, applied in the field of vertical multi-stage constructed wetland sewage treatment system, can solve the problems of large area of ​​constructed wetland and low effluent treatment efficiency, and achieve high water purification effect, small area, The effect of increasing the water area

Pending Publication Date: 2019-12-03
上海环境绿色生态修复科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and solve the problems of large occupied area of ​​constructed wetland and low efficiency of effluent treatment

Method used

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  • Vertical multistage constructed wetland device
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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0038] according to Figure 1 to Figure 2 A vertical multi-stage constructed wetland device is shown, including stacked filling layers 1, each layer of the filling layer 1 is attached with a water barrier 2; the water barrier 2 is provided with a drain 3, adjacent to the The water outlet 3 of the water baffle 2 is arranged in a staggered manner on the plane; the filling layer 1 of the uppermost layer is also provided with a water injection point, and the water injection point is in the same plane as the water outlet 3 of the water baffle 2 of the uppermost layer. Staggered arrangement; the drain 3 is located at the edge or center of the water baffle 2, and the water injection point is located above the edge or center of the filling layer 1.

[0039] The drain outlets 3 are arranged in a straight line and located at two opposite edges or the ce...

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Abstract

The invention relates to a vertical multistage constructed wetland device comprising stacked packed layers; a water stop sheet is attached under each of the packed layers; the water stop plates are provided with drainage outlets, and the drainage outlets of the adjacent water stop plates are staggered on a plane; the topmost packed layer is further provided with a water injection point, and the water injection point and the drainage outlet of the topmost water stop plate are staggered on a plane; and the drainage outlets are located at the edges or centers of the water stop plates, and the water injection point is located above the edge or center of the packed layer. The vertical multistage constructed wetland device has the beneficial effects that pollutants in sewage can be effectively degraded and removed in combination with the advantages of a traditional constructed wetland system, and the vertical multistage constructed wetland device has the advantages of small floor area, highwater quality purification effect, no blockage and good hydraulic flow state and is capable of greatly reducing the construction cost during sewage treatment.

Description

technical field [0001] The invention relates to the field of sewage treatment systems in environmental protection, in particular to a vertical multi-stage artificial wetland sewage treatment system. Background technique [0002] Constructed wetland treatment system has become a hot spot in the field of sewage treatment research due to its low investment, low energy consumption, low treatment cost, and good nitrogen and phosphorus removal effect, and has received more and more attention. Traditional constructed wetland systems are generally divided into surface flow constructed wetlands, subsurface flow constructed wetlands and vertical flow constructed wetlands. [0003] However, constructed wetlands have the characteristics of large area, easy to be blocked, easily affected by seasonal changes, and aquatic plants and microorganisms are sensitive to environmental changes, which limits the use of constructed wetland systems. As for the horizontal subsurface flow and vertical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F3/34
CPCC02F3/32C02F3/34
Inventor 诸毅张汝壮宋厚燃李影辉陈奕方兴斌张晓艺孙爽
Owner 上海环境绿色生态修复科技有限公司