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Artificial wetland system with self-adaptive sewage flow

A constructed wetland system and a constructed wetland technology, which is applied in the field of constructed wetland systems with adaptive sewage flow, can solve the problems of affecting the microbial action of constructed wetlands, consuming electricity and maintenance costs, increasing secondary treatment costs, etc., and achieving a small footprint. , The effect of preventing water odor and promoting contact

Pending Publication Date: 2018-07-17
NANCHANG UNIV
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AI Technical Summary

Problems solved by technology

Especially when the water flow rate is large, the natural supply of oxygen from the air is seriously insufficient, which is likely to affect the microbial action of the constructed wetland, weaken the purification effect of sewage, and increase the cost of secondary treatment
Aeration equipment can solve the dissolved oxygen problem well, but consumes a lot of electricity and maintenance costs

Method used

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  • Artificial wetland system with self-adaptive sewage flow
  • Artificial wetland system with self-adaptive sewage flow
  • Artificial wetland system with self-adaptive sewage flow

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Embodiment Construction

[0024] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0025] see figure 1 and figure 2 , a constructed wetland system adaptive to sewage flow in the present invention, comprising a water distribution ditch 9, a constructed wetland module, an aqueduct 4, and a monitoring well 10, characterized in that: the constructed wetland system is divided into two constructed wetland modules group, the water distribution ditches 9 are set between the two constructed wetland modules; each constructed wetland module is formed by a plurality of constructed wetland modules 5 arranged in sequence, and the adjacent constructed wetland modules 5 are provided with water barriers 6 And the wetland connection port 2, overflow wall 8 is set between the constructed wetland module 5 and the water distribution ditch 9, and each constructed wetland module The crushed stone channel 1 at the head end of the wetland module 5 is co...

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Abstract

The invention provides an artificial wetland system with self-adaptive sewage flow and is applied to the technical field of sewage treatment. The system comprises a water distribution ditch (9), an overflow wall (8), a gravel ditch (1), an artificial wetland module (5), a water guide pipe (3), a water guide ditch (4) and a monitoring well (10). The multi-module artificial wetland system is used, series-parallel connection modes can be automatically switched to control the operation mode of wetland according to different water amount conditions, blockage of wet substrates and short flow and overbank flow of sewage are effectively prevented, and the hydraulic load impact resistance of the wetland system is enhanced; besides, when the sewage flow is large, the contact opportunity of sewage and air is increased through overflow, the sufficient dissolved oxygen amount is kept, and virtuous circulation of substances in a water body is promoted. The artificial wetland system is complete, stable, simple and less in investment, does not need external power, and is especially suitable for being applied to actual engineering of sewage treatment.

Description

technical field [0001] The invention relates to the technical field of sewage treatment in artificial wetlands, in particular to an artificial wetland system adaptive to sewage flow. Background technique [0002] The constructed wetland system is artificially designed and constructed for sewage treatment, and is a new type of wastewater treatment technology developed in the 1970s. It relies on the synergy of physical, chemical, and biochemical reactions among the substrate, aquatic plants, and microorganisms in the wetland system to treat wastewater. Because the constructed wetland has stable effluent quality, low investment, low energy consumption, strong impact resistance, and easy operation. The characteristics of simplicity and low operating cost have been widely used in the treatment of papermaking wastewater, petrochemical wastewater, farm wastewater, mine wastewater and urban domestic sewage in recent years. As a main type of constructed wetland, ditch-type construct...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F3/34
CPCC02F3/32C02F3/34Y02W10/10
Inventor 李建龙吴代赦徐富强况琴吴泉泉
Owner NANCHANG UNIV
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