A biological treatment system for rainwater purification in sponge cities

A biological treatment and sponge city technology, applied in the field of sponge city construction and sewage treatment, can solve the problems of poor treatment effect and large area, and achieve the effect of good effect, improved dissolved oxygen index, and convenient for vehicles and pedestrians to walk.

Active Publication Date: 2021-10-22
ANQING NORMAL UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a biological treatment system for sponge city rainwater purification, which solves the defects of large floor area and poor treatment effect of traditional rainwater purification methods

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  • A biological treatment system for rainwater purification in sponge cities
  • A biological treatment system for rainwater purification in sponge cities
  • A biological treatment system for rainwater purification in sponge cities

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Embodiment Construction

[0025] The application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific embodiments are only used to further illustrate the application, and cannot be interpreted as limiting the protection scope of the application. The above application content makes some non-essential improvements and adjustments to this application.

[0026] combine Figure 1 to Figure 4 As shown, a biological treatment system for rainwater purification in a sponge city, the biological treatment system is located under the road surface 1 and the green areas 2 on both sides of the road surface 1, the biological treatment system includes a sedimentation tank 3, a reservoir 4 and a biological purification layer 5. The sedimentation tank 3 is located directly below the road surface 1, and is used to receive the rainwater seeping through the road surface 1 and the green area 2. The overflow pipe 6 is provided in the ...

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Abstract

The invention discloses a biological treatment system for rainwater purification in a sponge city. The biological treatment system is arranged on the road surface and under the green areas on both sides of the road surface. The biological treatment system includes a sedimentation tank, a water storage tank and a biological purification layer. The sedimentation tank is located at Directly below the road surface, it is used to receive the rainwater infiltrated from the road surface and the green area. An overflow pipe is provided in the sedimentation tank, and the reservoir is connected to the sedimentation tank through the overflow pipe to store the overflowing rainwater from the sedimentation tank. The biological purification layer includes The pavement biological purification layer at the bottom of the road surface and the green area biological purification layer at the bottom of the green area; the road surface adopts permeable pavement, and the green area adopts permeable soil. The advantage of the present invention is that the urban pavement and the green area are set as permeable structures, the rainwater will directly infiltrate into the ground, there will be no water on the road, it is convenient for vehicles to drive and pedestrians to walk, and the rainwater will be fully purified during the infiltration process treatment so that stored rainwater can be used for a wider range of purposes.

Description

technical field [0001] The invention relates to the technical field of sponge city construction and sewage treatment, in particular to a biological treatment system for rainwater purification of the sponge city. Background technique [0002] In recent years, waterlogging every time it rains has gradually evolved into a chronic disease in large and medium-sized cities in my country, and many cities with severe water shortages have lost 70% of their rainwater in vain. It is a pity, but the concept of sponge city has perfectly solved this problem. Sponge city refers to a city that can be like a sponge and has good "elasticity" in adapting to environmental changes and responding to natural disasters. "Come out and take advantage of it. [0003] At the same time, the treatment of the rainwater collected by the sponge city has become an urgent problem to be solved. The pollution situation of each city is different. The rainwater in cities with a good environment is relatively cl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/481C02F3/02C02F3/28C02F3/34C02F9/00C02F2001/007C02F2103/001
Inventor 丁元春凌张军范志强宗梅陈陈
Owner ANQING NORMAL UNIV
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