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Method for de-silting lake and constructing lake center island

A technology for lakes and lake centers, applied in lake dredging and construction fields, can solve problems such as water pollution, failure to deal with it in time, and secondary pollution, and achieve the effects of beautifying the environment, shortening the construction period, and controlling secondary pollution

Inactive Publication Date: 2012-10-17
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The second problem encountered is that the dredging process will also cause water pollution. The cleared silt is piled up by the lake, which cannot be processed in time, which also causes secondary pollution.

Method used

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  • Method for de-silting lake and constructing lake center island
  • Method for de-silting lake and constructing lake center island
  • Method for de-silting lake and constructing lake center island

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment 1: In a lake in an urban area of ​​a certain city, thick sludge is deposited at the bottom of the lake. Sludge contains a large amount of pollutants, and its pollution and resuspension are important causes of lake water pollution. Sludge silts up, the lake water deteriorates, the lake capacity shrinks, and the swamp becomes serious. We have to make up our minds to remediate it, but piling up sludge takes up land and pollutes the environment; transporting sludge slops with water and pollutes roads; sludge landfilling costs a lot of money and land, and sludge resource treatment is not easy. Many problems have been plaguing the governance of the lake.

[0023] The control scheme of the present invention includes stockyard selection, piling arrangement, embankment construction, dredging, pipeline mud transportation, dehydration and solidification, and planting slope protection. Use a vibratory hammer to drive a circle of piles that are interlocked and connected...

Embodiment 2

[0032] Example 2: A certain lake is the water source of a waterworks in a certain city. Due to the long-term natural erosion of the upstream water, the two sides of the river are constantly eroded, and the soil and water are lost. Over time, thicker and thicker mud layers are gradually deposited on the bottom of the lake . This not only raises the river bed, reduces the capacity of the lake, pollutes the environment, and affects traffic, but also floods during the flood season, endangering the embankment and causing floods. In previous dredging and dredging projects, the dredged silt was piled up by the lake, and the silt by the lake was returned to the lake when it rained. It was always cleared and silted, silted and cleared. Treatment projects often treat the symptoms but not the root cause, and the project efficiency is low.

[0033] The control scheme of the present invention is basically the same as embodiment 1, and it is characterized in that: the self-connecting sheet...

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Abstract

The invention provides a method for de-silting a lake and constructing a lake center island and belongs to a construction technology. The method comprises the following steps of: de-silting and dredging, transporting sludge, carrying out storage yard treatment, curing the sludge, discharging tail water and constructing the lake center island while de-silting. The method disclosed by the invention solves the problem that old problems of de-silted lake water happen again. The engineering cost is reduced, the work period is shortened and the secondary pollution is managed. The method has the characteristics of smaller occupied space, no transferring of pollutants, investment saving and good benefits. According to the method disclosed by the invention, the swampiness problem is solved, the water storage amount is increased, a land resource is increased, a wetland park is established and the pollution recycling is realized. The method is a practical and feasible good method for managing and beautifying the lake.

Description

technical field [0001] The invention relates to a lake dredging method, and at the same time it is a method for building an island in the center of a lake. Belongs to construction technology. Background technique [0002] With the rapid economic and social development and the continuous acceleration of urbanization, it is difficult to completely control a large amount of industrial and domestic sewage around the lake, resulting in serious sedimentation in the lake, the pollutant content in the sediment generally exceeds the standard, and the ecological environment is damaged. With the intensification of water pollution, the water quality can no longer meet the normal water supply requirements, and even sudden water quality deterioration events such as "cyanobacteria outbreaks" and "black tides" have occurred, directly threatening regional water supply and ecological security. A large amount of pollutants and garbage are deposited in the lake, accumulating over time, gradual...

Claims

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Application Information

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IPC IPC(8): E02B1/00E02B3/00E02D5/03E02D19/04C02F11/14
Inventor 陶松垒李未材陈炬赵志方周荣鑫陈丽君魏博闻应林江陈国仙
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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