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Riverway side ecological purification system

An ecological purification and river channel technology, applied in chemical instruments and methods, biological water/sewage treatment, polluted waterway/lake/pond/river treatment, etc., can solve the problem of large area, large number of river channels, and unstable water flow direction, etc. question

Pending Publication Date: 2020-10-23
岭南水务集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to factors such as the large number of rivers, wide area, and unstable water flow direction, it is difficult to apply traditional domestic sewage treatment technology to river management.
Most of the river channels have the function of flood discharge. In order to ensure flood discharge, it is difficult to apply various treatment facilities in the original river channel

Method used

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  • Riverway side ecological purification system
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  • Riverway side ecological purification system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The average width of the river 7 in a certain village is 11m. Due to the imperfect domestic sewage infrastructure in the village, the river 7 receives some domestic sewage. Since the main pollution source of the water quality of the river 7 is domestic sewage, and the infrastructure is not perfect, there are many abandoned pits and ponds on both sides of the river section of the river 7 flowing out of the village. Purify. The diversion channel 1 is 8m wide, 1m deep, and the water level is about 0.8m; the ecological permeable dam 4 in the diversion channel 1 is 8m wide, and the dam height is 1.3m; the ecological purification pond 2 is about 25m wide, 2m deep, the maximum width is 50m, and the water level is 1.5m m; The adsorption filler filter area 20 is set within 2m of the front end of the ecological purification pond 2, and 25 A and B gabion units 22 are alternately set in the vertical direction of the water flow, 4 rows of gabion units are set in the water flow direc...

Embodiment 2

[0040] The lower reaches of a tributary river flow into the main river channel 7 of the basin. At the same time, the water quality of the tributary river is poor, with COD > 100, BOD > 60, and water quality transparency is high. There are some aquatic plants in the original tributary channel 7. The side ecological purification system 100 is installed before the tributaries merge into the main stream to reduce the pollution of the tributaries to the main stream. The diversion channel 1 is 6m wide, 0.8m deep, and the diversion water level is about 0.5m; the ecological purification pond 2 is about 20m wide, 1.5m deep, the maximum width is 40m, and the water level is 1.0m; the ecological purification pond 2 is set within 4m of the front end. In zone 20, 20 A and B gabion units 22 are arranged alternately in the vertical direction of the water flow, 8 rows of gabion units are arranged in the direction of the water flow, and 2 layers of gabion units are arranged in the vertical direc...

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Abstract

The invention relates to a riverway side ecological purification system. The system comprises a diversion canal, an ecological purification pond and a water outlet canal, river water is introduced into the ecological purification pond through the diversion canal, purified river water is discharged to an original river channel through the water outlet channel, the diversion canal is provided with an ecological permeable dam, an adsorption filler filtering area and an underwater ecological backflow wall are arranged in the ecological purification pond, a vegetation buffer zone is arranged besidethe diversion canal, emergent aquatic plant planting areas are arranged on the inner sides of the ecological purification pond and the water outlet canal, and vegetation buffer zones are arranged onthe outer sides of the ecological purification pond and the water outlet canal. The system has the advantages that waste pits and ponds around the riverway are fully utilized, the riverway water quality can be purified, meanwhile, aquatic plants are planted in the system in a matched mode to improve the landscape around the riverway, and riverway water environment and water landscape constructionis facilitated. An adsorption filler filtering area, an underwater ecological backflow wall and an emergent aquatic plant planting area are designed by utilizing plant purification and microorganism purification principles, water is purified by a green and ecological method, and no chemical agent is added.

Description

technical field [0001] The invention relates to the field of water environment treatment, in particular to an ecological purification system on the side of a river, which is used to control the water quality of the river. Background technique [0002] my country's rural population base is relatively large, accounting for about 70% of the country's total population. Most of the residents in villages and towns live along the river. The river is not only a pond for domestic water for residents on both sides of the river, but also a recipient for receiving residents’ domestic drainage. With the gradual increase in the amount of domestic sewage, the river gradually weakens or even loses its original self-purification. function, which increases the concentration of a large number of pollutants such as COD, nitrogen, phosphorus and suspended solids in the river, causing the deterioration of water quality and seriously affecting the lives of residents. [0003] my country's current...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/32C02F3/34
CPCC02F1/28C02F3/32C02F3/34C02F9/00C02F2103/007
Inventor 于田田苏畅郑泽铭
Owner 岭南水务集团有限公司