Green-ecological river channel desilting treatment system and treatment method thereof

Abstract

The invention discloses a green-ecological river channel desilting treatment system and a treatment method thereof. The system comprises an environment friendly cutter suction dredger, a sludge conveying pipeline, a high speed stirring device and a sludge drying bed, wherein a desilting device, a mud hold and a sludge pump are arranged on the environment friendly cutter suction dredger; an environment friendly suction cutter head is arranged at the bottom end of the desilting device and used for sucking sludge in a stirring manner; the mud hold is used for storing sludge; the sludge pump is used for pumping sludge into the high speed stirring device through the sludge conveying pipe; the high speed stirring device is communicated with the sludge conveying pipeline and used for uniformly stirring sludge with a high performance hydrophobic agent SHJ and a polymeric flocculant XNJ that are added in sludge; the sludge drying bed comprises a primary sludge settling tank, a process formulation tank, a sludge-water separation solidification facility, a tail water treatment tank and a loading depot. According to the green-ecological river channel desilting treatment system and the treatment method thereof, the sludge removal rate is improved, secondary pollution to the environment is avoided, and technical reference is provided for desilting of large, middle-sized and small-sized river channels.

Description

[0001] Technical field: [0002] The invention relates to the field of river course management, and mainly relates to a river course green ecological dredging treatment system and a treatment method thereof. [0003] Background technique: [0004] With the development of the economy, people's requirements for the environment are getting higher and higher, and river management has become a hot topic at present. Sediment dredging is a common method for river channel management. At present, dredging methods such as grab type, common cutter suction type, and bucket wheel type are commonly used. The common methods generally have the disadvantages of low sludge removal rate, insufficient dredging, and easy to cause secondary pollution. [0005] In order to improve the water quality of rivers, dredging of urban rivers has been carried out in many places, such as Suzhou Creek in Shanghai, Qinhuai River in Nanjing and other urban rivers have generally implemented dredging projects. Com...

AI Technical Summary

Problems solved by technology

As for how to implement the dredging works of small and medium-sized rivers and rural rivers, what kind of dredging machinery and technology to use, and how to deal with the cleared silt, there is currently no relatively standardized or recognized method.

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