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Ecological pond system of water body circulation flow oxygenation

A circulating flow, ecological pond technology, applied in energy wastewater treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc. problems, to achieve the effect of promoting a virtuous cycle, increasing atmospheric re-oxygenation, and low power consumption

Active Publication Date: 2014-06-18
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to address the deficiencies in the current ecological pond treatment technology, and provide an ecological pond system with water circulation and oxygenation, so as to solve the problems of slow water flow, low dissolved oxygen concentration in water and symbiosis of bacteria and algae in the ecological pond system in the prior art. unbalanced technical issues

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  • Ecological pond system of water body circulation flow oxygenation

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Embodiment 1

[0028] This embodiment is located in the sub-basin of the Luoshi River in the northern part of the Erhai Lake Basin in Yunnan. The project service object is the tributary river water of Heinigou in the lower reaches of the Luoshi River. During the flat water season and dry season, part of the river water is introduced into the system and returned to the river after being purified by the ecological pond. , the purpose of which is to perform bypass purification treatment on part of the Luoshi River water and reduce the pollution load from the Luoshi River to the Erhai Lake.

[0029]The design processing capacity of the project is 100t / day. The ecological pond adopts a double-corridor structure, and the wall adopts a brick structure. The size is 20m*12.5m*4.2m (L*W*H). The time is 10 days, the width of the water passage corridor is 3.5m, the return corridor is located in the middle of the middle diversion corridor, the diameter of the pipe is DN175mm, the dissolved air pressure pr...

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Abstract

The invention relates to an ecological pond system of water body circulation flow oxygenation, and the ecological pond system constructs a dual-gallery type ecological pond sewage disposal system. The ecological pond system comprises an ecological pond, a solar air pump station and a water body air lifting device, wherein the middle of the ecological pond is provided with a middle river diversion gallery, the ecological pond is divided into three function regions of an oxygen-starved area, an oxidation zone and an advanced treatment region, and the middle of the middle river diversion gallery is provided with a regurgitation gallery; the solar air pump station is arranged on one side of the ecological pond; and a water body air lifting device is arranged between the oxidation zone and the advanced treatment region, and is respectively connected with the solar air pump station and the regurgitation gallery, and is used for leading the water vapor in the oxidation zone to enter into the regurgitation gallery so as to transport in the oxygen-starved area. The system can increase water liquidity in the ecological pond and water body dissolved oxygen, a helotism system is better balanced in the ecological pond, thereby fully playing a role of combinedly purifying sewage by using bacteria, algology and plants; and the ecological pond system provided by the invention has the advantages of low investment and operating cost, simple maintenance, and good treatment effect.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an ecological pond system for circulating and oxygenating the water body, which is used to increase the fluidity of the water body in the ecological pond and the dissolved oxygen in the water, and forms an anoxic zone, an aerobic zone and a deep purification zone in sub-regions in the pond , Give full play to the joint purification effect of bacteria, algae and plants on sewage. Background technique [0002] Using ecological treatment system to purify non-point source sewage and realize the overall improvement of village water environment has become an important means to control rural non-point source pollution. The ecological pond is an engineering facility that treats sewage through the symbiosis system of bacteria and algae and the plant purification system. It is currently widely used in combination with constructed wetlands to form a composite ecological treatment t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/30C02F3/32
CPCY02W10/37
Inventor 王欣泽尚晓叶利升张真孔海南
Owner SHANGHAI JIAO TONG UNIV
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