River channel comprehensive treatment method

Abstract

The invention discloses a river channel comprehensive treatment method and relates to the technical field of river channel ecological treatment. The river channel comprehensive treatment method comprises the following steps of intercepting water flow, specifically, manufacturing cut-off dykes at the two ends of a river channel to conduct interception on the river channel; water pumping, specifically, pumping off river water in a river channel cleanout section; dredging, specifically, conducting comprehensive flushing on the river bottom through a water torch to enable water to be mixed with sludge to form mud-water mixed liquid and pumping the mud-water mixed liquid into a buffer pool; separation, specifically, separating the mud-water mixed liquid in the buffer pool into flowing water, sundries, gravel particles and sludge through a multi-stage filter system; treatment, specifically, firing part of the gravel particles and the sludge into dyke protection bricks; flow-through, specifically, dismantling the cut-off dykes. The sludge flushing and cleaning speed of high-pressure water is high, cleaning is comprehensive, and time and labor are saved. Meanwhile, water resources of non-dredging sections are utilized, and the water impounding pressure of the upstream of the river channel is also reduced. The gravel particles and the sludge are manufactured into the dyke protection bricks to protect two sides of the river channel and facilitate ecological remediation. The treatment method has the advantages of being high in efficiency, environment-friendly, capable of saving resources and beneficial to continuous remediation of the river ecology.

Description

technical field [0001] The invention relates to the technical field of river ecological management, more specifically, it relates to a comprehensive river management method. Background technique [0002] my country has a vast territory and many rivers. However, with the acceleration of urbanization, the amount of sewage discharge has increased significantly. A large amount of sewage and domestic waste are directly discharged into the rivers. Coupled with rainfall, the runoff, sediment and pollution produced on the surface re-enter the rivers. The circulatory system slows down the water flow in the river, raises the siltation surface of many rivers, and aggravates eutrophication. Such a vicious cycle pollutes water resources, and in severe cases, it will cause embankments to burst. [0003] In response to the above problems, the Chinese patent with the patent announcement number of CN106977073A proposes an integrated system for ecological dredging, including a dredger, a dewat...

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Problems solved by technology

[0004] At present, there are many dredging methods for river channels, most of which have the purpose of improving water quality. The dredging method in the above patent is mainly mechanical excavation, which is easy to stir up the pollutants that have been deposited on the bottom of the river, causing pollution to spread and destroying the water body. At the same time, the visibility of the operator's excavation is insufficient, and it is not easy to achieve a comprehensive cleaning of the river bottom

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