System and method for restoring water environment by constructed wetland

A technology for artificial wetlands and restoration systems, applied in chemical instruments and methods, botanical equipment and methods, horticultural methods, etc., to achieve the effects of strong oxidation capacity, low energy consumption, and easy construction and operation

Active Publication Date: 2019-12-17
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a constructed wetland water environment restoration system and method to solve at least one technical problem existing in the prior art

Method used

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  • System and method for restoring water environment by constructed wetland
  • System and method for restoring water environment by constructed wetland
  • System and method for restoring water environment by constructed wetland

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In the laboratory, simulate the construction of artificial wetlands using the patented method of the present invention, select artificial wetland models, numbered A, B, C, D, E, F, and the constructed wetland covers an area of ​​3200cm 2 , The reactor is 80cm long, 40cm wide and 40cm high. Water distribution pipes and outlet pipes with a diameter of 100mm are installed on the left and right sides of the reactor respectively, the water flow velocity is 0.5m / min, and the time for passing through the water distribution pipes is 5min. A, D, and F reactors were respectively equipped with electromagnetic magnetization reactors with a magnetic field strength of 100mT around the water distribution pipe, and an electromagnetic magnetization reactor with a magnetic field strength of 50mT in the vertical direction of the water flow in the constructed wetland model; An electromagnetic magnetization reactor with a magnetic field strength of 100mT is installed around the water pipe; ...

Embodiment 2

[0049] In a certain city, use the patented method of the present invention to construct experimental artificial wetlands A, B, C, D, E, F, and the constructed wetlands cover an area of ​​64m. 2 , 8m long, 8m wide, and 3m high. Two water distribution pipes and outlet pipes with a diameter of 500mm are installed on the left and right sides of the constructed wetland respectively. The water flow speed is 2.5m / min, and the time for passing through the water distribution pipes is 20min. The artificial wetlands of A, D, and F experiments were respectively equipped with electromagnetic magnetization reactors with a magnetic field strength of 250mT around the water distribution pipe, and an electromagnetic magnetization reactor with a magnetic field strength of 100mT in the vertical direction of the water flow in the constructed wetland model; An electromagnetic magnetization reactor with a magnetic field strength of 250mT is installed around the water distribution pipe in the wetland...

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Abstract

The invention relates to the field of water environment treatment, and particularly discloses a system and a method for restoring a water environment by a constructed wetland. The system for restoringthe water environment by the constructed wetland comprises: (1) a water distribution pipe for inputting to-be-treated water into the constructed wetland; (2) a magnetization reactor arranged around the water distribution pipe and used for applying a magnetic field perpendicular to the water flow direction to the water flowing through the water distribution pipe in order to make the water enteringthe constructed wetland through the water distribution pipe become magnetized water; (3) the constructed wetland; (4) a magnetization reactor arranged in the vertical direction of the constructed wetland and used for applying a magnetic field to the constructed wetland in the vertical direction; and (5) a water outlet pipe used for discharging the water treated by the constructed wetland. The to-be-treated water passes through the water distribution pipe, is treated by the magnetization reactor arranged around the water distribution pipe and then enters the constructed wetland, and the magnetization reactor arranged in the vertical direction of the constructed wetland is used for intermittently magnetizing the constructed wetland, so that the technical problems of high blocking possibility during operation and difficult rapid restoration of the constructed wetland can be effectively solved.

Description

technical field [0001] The invention relates to the field of water environment treatment, in particular to a system and method for artificial wetland water environment restoration. Background technique [0002] As a sewage treatment technology with high efficiency, low investment, low operating cost and low energy consumption, constructed wetland has attracted more and more attention from all over the world. However, the blockage of constructed wetland system is one of the main factors affecting its application and promotion. After the artificial wetland is blocked, the permeability coefficient of the matrix will drop sharply, and the water passing capacity will also decrease accordingly. A large amount of sewage introduced into the wetland system will directly accumulate on the surface of the wetland. Long-term accumulation of water will cause stench, cause mosquito breeding, and deteriorate the operating environment; The accumulated sewage will also block the diffusion of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F2101/30C02F1/48C02F3/32C02F1/001C02F3/34Y02A40/22Y02W10/10C02F1/482C02F3/327C02F2103/007C02F2301/08A01G7/00C02F1/006C02F1/484
Inventor 张列宇车璐璐李晓光李国文李曹乐黎佳茜李伟祝秋恒赵琛
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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