Environment-friendly artificial wetland system for purifying dredging remained water/tail water

Abstract

The invention relates to an environment-friendly artificial wetland system for purifying dredging remained water / tail water. The environment-friendly artificial wetland system comprises a water level regulation pool, a wetland purification pool and an effluent collecting pipe, wherein the system forms a cuboid shape; the water level regulation pool is arranged at the front-end water intake part of the wetland purification pool; the effluent collecting pipe is arranged at the rear-end discharge part of the wetland purification pool; the reclaimed water / tail water enters the wetland purification pool after the water level regulation pool carries out suspended solid treatment on the dredging remained water / tail water; the reclaimed water / tail water is subjected to physical settlement and a series of biochemical reaction in the wetland purification pool for a period of time; the purified reclaimed water / tail water enters the effluent collecting pipe from the bottom of the wetland purification pool to discharge. The artificial wetland system is adopted to process the dredging remained water / tail water by combining with the actual condition of the dredging engineering, the environment-friendly artificial wetland system has the characteristics of being stable in effluent quality, strong in removal capacity on nutrient substances such as N, P and the like, low in construction and operation cost, convenient to maintain and manage, strong in impact load resistance, high in aesthetic value and the like, and the problem of beneficial use of dredging bottom mud containing high-content pollutants and organic matters can also be effectively solved.

Description

technical field

[0001] The invention belongs to the technical field of dredging engineering and water treatment of inland rivers and lakes, and relates to the treatment technology of dredging residual water / tail water, in particular to an environment-friendly dredging residual water / tail water purification constructed wetland system. Background technique

[0002] The water content of the sediment produced in the environmental protection dredging process is as high as 95%, and due to the agitation of the dredging equipment, a large amount of harmful substances and organic matter in the sediment will be transferred to the residual water / tail water, causing secondary pollution of the water body.

[0003] In recent years, the introduced residual water / tail water treatment methods and systems are mainly to set up fork pipes on the mud pipeline, and use high-pressure pumps to press the flocculant into the mud pipeline, and realize the rapid sedimentation of the sediment under the a...

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