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Flexible ecological floating bed

An ecological floating bed, flexible technology, applied in sustainable biological treatment, biological water/sewage treatment, energy and wastewater treatment, etc., can solve the problems of high price, not suitable for large-scale promotion, etc., achieve low cost, easy transportation and storage, The effect of easy availability of materials

Inactive Publication Date: 2011-09-28
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of floating bed is flexible in structure and easy to install. It can be constructed into ecological floating beds of different shapes and areas according to different waters. Moreover, the floating bed unit is light in weight and small in size, and can be stacked and stored without occupying space. It is convenient to store and operate, but it is expensive. , not suitable for large-scale promotion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: the laying of a lagoon ecological floating bed

[0031] Lay 10,000m of ecological floating beds in the inner lake area of ​​a lagoon 2 , the specific implementation is as image 3shown. Firstly, the fixed piles are laid in advance in the floating bed placement area, and then the floating bed plants are cut into the cultivation holes of the floating bed on the shore, and the floating bed is dragged to the floating bed laying area by a motorized sampan, and a total of 10,000m of ecological floating beds are laid. 2 , using plants to absorb nitrogen, phosphorus, metal elements and other substances in the water body to achieve the purpose of purifying the lake water.

Embodiment 2

[0032] Example 2: Service life and load-bearing capacity of the floating bed

[0033] Through the tensile test of the film-coated woven fabric laid on a floating bed carrier in different periods on a lake (GB / T 1040.3-2006, the size of the tested sample is 15cm long × 1.5cm wide), and a new film-coated woven fabric is used as a control To evaluate the service life of the floating bed carrier, the changes in the physical parameters of the coated woven fabric are shown in Table 1.

[0034] (1) The film-coated woven fabric used in the present invention is in the natural aging process, and its force bearing capacity and deformation capacity slowly decline with the passage of time.

[0035] (2) After half a year of use, the integrity of the floating bed is good and there is no damage. According to the measured data in Table 1, it is calculated that the performance of the floating bed is good at present (1 and 2 years are estimated values), which is in line with the actual situatio...

Embodiment 3

[0040] Example 3: The growth effect of the salt-tolerant plant hippocampus tooth cultivated on a lagoon floating bed and the removal effect of N and P in the water body

[0041] Laying a flexible ecological floating bed in a lagoon inner lake to cultivate hippocampus teeth, floating bed laying and hippocampus tooth cutting method as described in Example 1, the planting density ρ of hippocampus teeth is 30shoot / m 2 . According to the field survey, the branches of hippocampal teeth grew new roots 4 days after cultivation, and the survival rate was close to 100%. After 100 days of growth, due to density constraints, the growth of hippocampal teeth was slow, and the biomass remained basically unchanged. Randomly collected hippocampal tooth plants (n=10) planted for 4 months on each floating bed (plant growth time is 120-125 days), measured the change of biomass before and after cultivation of hippocampal tooth, and evaluated according to relative growth rate and absolute growth ra...

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Abstract

The invention discloses a flexible ecological floating bed relating to a plant growth carrier. The invention provides a flexible ecological floating bed which has better landscape effect, has the advantages of small volume, light weight, no fixed frame, large buoyancy and the like, can be applied to lakes and riverways on large area, can be applied on ecological comprehensive treatment of water areas, such as salt-water inner bays, lagoons and the like. The flexible ecological floating bed is provided with a bed body and cultivated plant, wherein the bed body is provided with an upper-layer film coating woven fabric and a lower-layer film coating woven fabric; double layers of air bubble films are arranged between the upper-layer film coating woven fabric and the lower-layer film coating woven fabric; the periphery of the bed body is provided with a floating body bag along the edge; two side bags of the floating body bag are respectively provided with a floating bottle; bags on the head and the tail of the floating body bag are inserted with bamboo poles for shaping; the bed body is provided with a cultivation hole (or a field planting hole) for cultivating plant; plants are cultivated in the cultivation hole; and the periphery of the bed body is provided with fixing rings.

Description

technical field [0001] The invention relates to a plant growth carrier, in particular to a flexible ecological floating bed. Background technique [0002] In recent decades, with population growth, rapid social and economic development and relative lag in environmental protection, the demand for water has increased sharply, and the pollution of water resources has also become increasingly serious. A large amount of industrial wastewater, agricultural sewage and domestic sewage are directly discharged into the environment without standard treatment, causing many lakes, reservoirs, inner bays, lagoons and estuaries to enter a state of eutrophication, or even severe eutrophication, which requires active human intervention and development Environmental and ecological restoration work. In recent years, the development and utilization of floating bed phytoremediation technology (also known as ecological floating bed or floating island technology) that applies terrestrial plants t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32
CPCY02W10/10Y02W10/37
Inventor 黄凌风张博吴佳鑫郑新庆谢天宏林玉美洪清波
Owner XIAMEN UNIV
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