Sloping bottom type integrated vertical-flow constructed wetland system

A constructed wetland system and constructed wetland technology, applied in the field of inclined bottom composite vertical flow constructed wetland system, to achieve the effect of solving uneven water distribution and dead water areas, strong terrain adaptability and flexibility, and simple structure

Active Publication Date: 2015-12-30
襄阳市大学科技园发展有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects in the above-mentioned existing vertical flow artificial wetland technology, and provide a slope-bottom com

Method used

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Embodiment 1

[0024] In this embodiment, the inclined bottom type composite vertical flow constructed wetland system is used for the treatment of the surface runoff of a river inflowing into the river; the constructed wetland treatment system is located at the slope of the water bank beside the sewage outlet, and the slope angle is about 20°. Constructed wetland treatment system covers an area of ​​100m 2 , consisting of a block with an area of ​​20m 2 The sedimentation tank and one with an area of ​​80m 2 It is composed of a sloping bottom composite vertical flow constructed wetland system, and the designed processing scale is 30 tons / day. The inclined bottom composite vertical flow constructed wetland system is as follows: figure 1 , figure 2 As shown, it is composed of upper and lower wetland units distributed in steps according to the slope. The upper-level wetland unit is the downstream constructed wetland unit 1, the lower-level wetland unit is the upstream constructed wetland uni...

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Abstract

The invention discloses a sloping bottom type integrated vertical-flow constructed wetland system, relates to a sloping bottom type integrated vertical-flow constructed wetland system applicable to slope topographies and mainly solves the problems that existing integrated vertical-flow constructed wetland technologies can hardly be applicable to the slope topographies, or land is required to be excavated and leveled, construction costs are high and the construction difficulty is high when the technologies are applied to the slope topographies. The constructed wetland system is a two-stage wetland unit of a frame-structure pool formed through step-shaped adjacent distribution of an upper-stage wetland unit and a lower-stage wetland unit, wherein the bottom of the frame-structure pool is a slope surface, the upper-stage wetland unit is a downstream constructed wetland unit, and the lower-stage wetland unit is an upstream constructed wetland unit; matrixes are arranged in the frame-structure pool, and plants are planted in the matrixes. The system has the good treatment effect, adopts the simple structure and is convenient to construct, low in cost and capable of being widely applied to all kinds of sewage treatment of slope areas such as mountains, hills, water banks and the like.

Description

technical field [0001] The invention belongs to the technical field of environmental engineering, and relates to an inclined-bottom compound vertical flow artificial wetland system suitable for various sewage treatment in slope areas such as mountains, hills, and water body slopes. Background technique [0002] Constructed wetland is a water treatment system artificially imitating the purification function of natural wetland. Since its appearance in the 1970s, this process has been widely valued due to its advantages such as low construction cost, simple management, and stable purification effect. It has been widely promoted and applied in Europe, Latin America, Asia and other parts of the world. According to the characteristics of water flow, the constructed wetland treatment system can be divided into surface flow constructed wetland and subsurface flow constructed wetland. Subsurface flow constructed wetlands are divided into several types: horizontal flow, downflow, upf...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 李柱成水平吴娟王陈芳
Owner 襄阳市大学科技园发展有限公司
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