Water body purifying landscape floating wetland construction system and construction method thereof

A water purification and landscape technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., to achieve the effect of solving the variability or breaking of external forces and improving the effect

Inactive Publication Date: 2015-03-11
NANJING INST OF GEOGRAPHY & LIMNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] According to the current published patents or literature reports, the ecological restoration metho

Method used

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  • Water body purifying landscape floating wetland construction system and construction method thereof
  • Water body purifying landscape floating wetland construction system and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0046] Implementation Case 1: Ecological Treatment of a Farming Wastewater Rural River in Jiaxing, Zhejiang

[0047] The rural river channel where pig raising wastewater is discharged in Jiaxing, Zhejiang Province has accumulated a large amount of pig manure and black and smelly sediment at the bottom of the channel all year round. The water body is extremely anaerobic, the transparency of the water body is less than 20cm, and the COD seriously exceeds the standard. Aquatic plants, fish and shrimps in water bodies are almost extinct. In the process of comprehensive river management, after the dredging of the sediment, the water body needs to be ecologically restored in advance. By adopting the floating wetland construction technology of the present invention, a floating wetland is constructed in the water area of ​​50% of the total width of the river channel.

[0048] (1) First, a plastic-coated metal tube with a diameter of 3 cm is selected as the skeleton material, and the ...

Embodiment example 2

[0053] Implementation Case 2: Treatment of Duantoubang River in a heavily polluted rural area in Jiaxing, Zhejiang.

[0054]The Duantoubang River, which is discharged from rural domestic wastewater in Haining, Jiaxing, Zhejiang Province, has accumulated a large amount of black and odorous sediment at the bottom of the river all year round. The water body is extremely anaerobic, the water body transparency is less than 30cm, and the COD seriously exceeds the standard. It belongs to the surface water category V. Aquatic plants, fish and shrimps in water bodies are almost extinct. In the process of comprehensive treatment of river courses, comprehensive treatment of river courses is required after the sediment has been dredged. By adopting the floating wetland construction technology of the present invention, a floating wetland is constructed in the water area of ​​60% of the total width of the river channel.

[0055] (1) First, a plastic-coated metal tube with a diameter of 3 c...

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Abstract

The invention discloses a water body purifying landscape floating wetland construction system and a construction method thereof. The system, especially the water body purifying landscape floating wetland construction system based on evergreen myriophyllum verticillatum and chingii var. glaucifolius, is composed of a frame-floating body integrated system, a growth matrix system and a water plant group. The method comprises the construction of a floating wetland unit and construction of a floating wetland. The construction system and the construction method have the beneficial effect that 1)easy denaturation and breaking of hard frame due to outside force can be solved, poor water body landscape due direct exposed floating body material to and easy secondary pollution can be solved simultaneously; 2)a growth matrix system can be used for synchronously solving difficult problems of nutrition scarcity for plant material growth plant and dirty stress of plant root during a water body restoration process of the plant material can be sovled; and 3)the difficult problems of chlorosis of the plant material in winter and spring, less biomass, low dirt accepting capability, low reoxygenation efficiency of the water body and poor ornamental value in winter and spring can be solved by a novel plant material restoration method.

Description

technical field [0001] The invention belongs to the field of environmental protection, and relates to a water body purification landscape floating wetland construction system and construction method for the ecological restoration of heavily polluted eutrophic water bodies, in particular to a comprehensive treatment method for rural rivers that discharge aquaculture wastewater and domestic sewage, not only It meets the obvious improvement of water quality and meets the needs of river landscape design. Background technique [0002] After patent retrieval and literature review, the existing floating wetland patents in my country (CN 201962124 U, an artificial floating wetland; CN 100479649, a plant floating island and its construction method; CN 102963984 A: an ecological Floating island device; CN100584197C An ecological floating island) The skeleton structure and the floating body structure mostly adopt separate design. The obvious defect of its structure is that the area occ...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 古小治陈开宁张启超孙淑雲张雷王兆德
Owner NANJING INST OF GEOGRAPHY & LIMNOLOGY
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