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Composite self-aeration constructed wetland and method

A technology for artificial wetlands and artificial wetland fillers, which is applied in the field of composite self-aeration constructed wetlands, can solve problems such as limiting the effect of tidal flow re-oxygenation, and achieve the effects of promoting aerobic microbial activity, improving organic matter removal rate and low energy consumption.

Active Publication Date: 2020-01-07
重庆阁林环保科技有限公司
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Problems solved by technology

However, their common disadvantage is that the enhanced reoxygenation effect of ordinary tidal flow is only above the tidal liquid level, and the area below the tidal liquid level will soon enter hypoxia, oxygen mass transfer and consumption in a short period of time after being submerged. Anaerobic state, thus limiting reoxygenation effects of tidal flow

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Embodiment Construction

[0063] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0064] The embodiment of the present invention aims to provide a composite self-aeration constructed wetland and method that has low energy consumption and can continuously create aerobic conditions. The composite self-aeration artificial wetland operates in the tidal fluctuation mode, uses the potential energy of the water body as the driving force, and realizes low-energy, sustainable self-aeration through the processes of positive pressure ex...

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Abstract

The invention relates to a composite self-aeration constructed wetland and a method. The constructed wetland is formed by connecting a controller, a self-aeration constructed wetland and a pressure-bearing tidal flow biofilter tank in series. The self-aeration constructed wetland comprises a wetland main body, a first water inlet system, a first water outlet system, and a first aeration system, wherein a constructed wetland packed bed is arranged in the wetland main body, and a first electromagnetic valve is arranged in the first water inlet system. The pressure-bearing tidal flow biofilter tank comprises a filter tank main body, a second water inlet system communicating with the first water outlet system, a second water outlet system, an exhaust system communicating with the first aeration system, a second aeration system, an air suction system communicating with the second aeration system, wherein a biofilter tank packed bed is arranged in the filter tank main body, a second electromagnetic valve is arranged in the second water inlet system, a third electromagnetic valve is arranged in the second water outlet system, a fourth electromagnetic valve is arranged on the exhaust pipe,a fifth electromagnetic valve is arranged on the air suction pipe, and the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve and the fifth electromagnetic valve are all connected with the controller.

Description

technical field [0001] The invention relates to the field of artificial wetland sewage treatment, in particular to a composite self-aeration artificial wetland and its method. Background technique [0002] Constructed wetland is a sewage treatment technology that strengthens its purification ability through artificial construction and supervision and control based on the principle of natural wetland purification of sewage. It is a complex system composed of a permeable substrate, plants, water bodies, aerobic or anaerobic microbial populations and animals. After the sewage is treated in the constructed wetland, including biodegradation, filtration, precipitation and adsorption, the organic compounds, suspended solids, some nitrogenous compounds, phosphorus and pathogenic bacteria in the sewage have been greatly reduced. [0003] Biological aerated filter is a special biological contact oxidation sewage treatment structure, which is filled with carriers that are conducive to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/02C02F3/32C02F7/00C02F101/30
CPCC02F3/02C02F3/32C02F7/00C02F2101/30Y02W10/10
Inventor 陈一严俊水湃湃胡学斌何强
Owner 重庆阁林环保科技有限公司
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