Method for constructing artificial ecological island in river

A technology of artificial ecology and ecological island, which is applied in the fields of chemical instruments and methods, land filling, biological water/sewage treatment, etc., can solve the problems of lack of functions, occupation, and enhancement of water body exchange without consideration, and achieve strong purification ability and ecological Good effect, small investment effect

Inactive Publication Date: 2013-05-22
SUZHOU UNIV
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Problems solved by technology

[0003] However, the existing ecological islands have the following deficiencies: the ecological island occupies the river channel space with limited water capacity, but only the surface layer of the ecological island has the function of purifying water and providing habitats for animals and plants, while the interior of the ecological island is firmly protected.

Method used

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  • Method for constructing artificial ecological island in river
  • Method for constructing artificial ecological island in river
  • Method for constructing artificial ecological island in river

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Experimental program
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Embodiment 1

[0023] This embodiment provides a technical solution for building ecological islands in a staggered manner on both sides of the linear stone revetment urban river, and recovering the meanders of the natural river to a certain extent.

[0024] See attached figure 1 , which is a structural schematic diagram of an artificial ecological island provided in this embodiment. The ecological island includes a gravel area 1, a soil area 2 and a pipeline system 3, and a trash net cover 11 is installed at the water inlet of the pipeline system. According to the shape of the ecological island to be built, cement piles or wooden piles are used to drive piles in the river, and barbed wire or fishing nets with grids smaller than the gravel block diameter are used to fence along the piles, and gravel is filled in the fence. In this embodiment, the ecological island The gravel area 1 is about 6m long and 1.5m wide. According to the shape of the ecological island, cement piles or wooden piles a...

Embodiment 2

[0029] In the curved part of the urban river course on the stone revetment, an ecological island is built on the bank facing the direction of the water flow, and its structure is as shown in embodiment 1. During the construction of the ecological island, the pipeline system connected with the outside of the island is laid. For the structure of the pipeline system of the ecological island at the bend of the river, please refer to the attached image 3 ; The pipeline system adopts PVC plastic pipes. Compared with the embodiment 1, the water inlet pipe and the water distribution pipe are combined into one, and the distribution (inlet) water pipe 8 extends out of the island, and has two functions of the water inlet pipe and the water distribution pipe. Lay at a position 40cm below the normal water level, with a diameter of 30cm. The outlet pipe and the water distribution pipe are laid on the gravel and soil layers at an angle of 90 degrees, but are inclined downward in the vertica...

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Abstract

The invention discloses a method for constructing an artificial ecological island in a river. The method comprises the following steps: piling in a river, forming a fence by using a grid-shaped net along the piles, and filling gravels in the fence to form a gravel area; accumulating canal mud on the side face on the outer side of the fence to form a mud area; setting a pipeline system which runs through the island in the ecological island, wherein the pipeline system comprises a water inlet pipe, a water distribution pipe and a water outlet pipe; a water inlet of the water inlet pipe is formed below a normal water level of one side face of the ecological island along the river direction, the water inlet pipe is inserted into the gravel area and is connected with the water distribution pipe, a water outlet pipe is arranged on the water distribution pipe, a water outlet of the water outlet pipe is lower than the water inlet, and holes are formed in the water distribution pipe and the water outlet pipe positioned in the gravel area at intervals. The constructed ecological island provides growth and rest occasions for various animals and plants, effective water body exchange is performed between the gravel area in the ecological island and the outside, and the ecological island has the water purification function and is an artificial ecological island which is low in investment, zero in energy consumption, long-acting, easy and convenient in management, good in ecological effect and high in purification capacity.

Description

technical field [0001] The invention relates to a construction method of an artificial ecological island in a river course. Background technique [0002] With the hardening construction of rivers in our country and the deterioration of river water quality and ecological degradation caused by excessive pollution loads, the close integration of water conservancy projects and ecology has become the development trend of river management in the future. Aquatic animals and plants provide conditions suitable for their growth, increase the biodiversity of the river channel, and strengthen the self-purification capacity. At present, the ecological island for plant growth and animal habitat is mainly established by soil accumulation. Compared with facilities that provide growth conditions for plants such as plant floating beds, the construction of ecological islands does not require a large number of plastic frames that may become solid waste. After completion, it can provide growth a...

Claims

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Application Information

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IPC IPC(8): E02B3/18C02F3/32
Inventor 李蒙英谢立群张剑刚金小平虞英杰张凌玲
Owner SUZHOU UNIV
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