Desilting system suitable for riverway

A river channel and sedimentation technology, which is applied in the field of river sediment treatment and river sedimentation system, can solve the problems of high cost and difficult treatment of river sediment, reduce cleaning costs and workload, simple maintenance in the later period, Build simple and easy effects

Active Publication Date: 2018-09-21
SHANGHAI TAIHE WATER ENVIRONMENTAL TECH DEV CO LTD
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Problems solved by technology

[0012] The purpose of the present invention is to provide a sedimentation system suitable for river courses, which solves the technical problems of high cost and difficulty in processing river sediment in the prior art

Method used

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  • Desilting system suitable for riverway

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Embodiment 1

[0027] Such as figure 1 As shown, the present invention provides a kind of sand settling system suitable for river courses, including at least two weir bodies 21,22, and the weir bodies 21,22 are arranged in the river bed 1, and the weir bodies 21,22 The downstream is provided with a floating filter belt 3, the floating filter belt 3 is fixed in the riverbed 1, the upper part of the filter belt 3 is provided with an ecological floating island 4, and the ecological floating island 4 is provided with aquatic plants 5, The downstream of the filter belt 3 is provided with a grit chamber 6, the bottom of the grit chamber 6 is lower than the bottom surface of the riverbed 1, and the downstream of the grit chamber 6 is provided with an ecological landscape weir 7, so The above-mentioned ecological landscape weir 7 is fixed in the above-mentioned riverbed 1.

[0028] Further, the weir bodies 21, 22 are any one of sandbag weirs, earth weirs, rubber weirs, concrete weirs or wooden pile...

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Abstract

The invention provides a desilting system suitable for a riverway. The desilting system comprises at least two weir bodies, floating filter strips and ecological floating islands are arranged on the lower course of the weir bodies, the floating filter strips are installed on the lower portions of the ecological floating islands, aquatic plants are arranged in the ecological floating islands, a desilting basin is arranged on the lower course of the filter strips, the bottom of the desilting basin is lower than the bottom surface of a river bed, and an ecology landscape weir is arranged on the lower course of the desilting basin. The multi-stage stepped weir bodies can reduce the flow speed of the bottom layer of the riverway, and sedimentation of silt, particulate matter and other large suspended solids in water is facilitated. The floating filter strips can intercept and adsorb suspended solids in river water. The desilting basin plays a role of a secondary sedimentation tank, the suspended solids in the water are further precipitated. The ecology landscape weir is the end point of the whole desilting system, inflow water overflows to the lower course from the upper ends of the weir bodies, it is ensured that the final outflow water is clear, and the desilting system has a landscape efficacy.

Description

technical field [0001] The invention relates to water treatment technology, in particular to river sediment treatment, in particular to a sedimentation system suitable for river courses. Background technique [0002] Affected by factors such as the environment and human over-exploitation, the sediment content of rivers in China is generally high. The main causes of high sediment concentration in rivers are as follows: [0003] 1) Vegetation coverage - one of the main determinants; [0004] 2) Soil quality - one of the main determinants; low vegetation coverage, loose soil, and river water scouring the river bank will easily increase the sediment content of the river; [0005] 3) Rainfall intensity; when the rainfall intensity is high, surface runoff scours and brings in sediment; [0006] 4) Terrain; if the terrain has a large drop and the scour kinetic energy of the surface runoff is strong, the sediment concentration will be high, and if the terrain is flat, the sedimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCC02F3/32C02F2103/007C02F2001/007
Inventor 徐小娜孔春雷揭亮
Owner SHANGHAI TAIHE WATER ENVIRONMENTAL TECH DEV CO LTD
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