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Composite stereo biological hover bed

A biological floating bed, three-dimensional technology, applied in the field of biological floating bed, can solve problems such as secondary pollution of water bodies

Inactive Publication Date: 2005-04-27
NANJING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a stable and more effective composite three-dimensional biological floating bed for removing nutrients such as N and P, which is composed of cheap and easily available materials and plants, and solves the problem that polystyrene foam is mostly used in current floating beds. Plates bring secondary pollution to water

Method used

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  • Composite stereo biological hover bed

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Experimental program
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Effect test

Embodiment 1

[0015] Embodiment 1: select the bamboo 1 that is longer than 2 meters to be connected into a quadrangle, as a floating bed for planting on water, fix with bamboo around, each size 2m * 2m, form a grid-like three-dimensional frame by 2 to 4 such bamboo beds , two floating barrels 2 are arranged on both sides. Make the floating bed float in the middle of the water. Canna 3 plants are fixed on the uppermost floating bed, 5×5 plants; the spacing is usually about 50cm, and thin bamboo is used in the middle to fix the plants on it, and the plants keep the spacing. The lower floor is suspended with elastic material 4 and is about 1m long; the bottom is fixed with stone 5 to prevent floating bed from drifting. The floating bed is placed in the center of the pond or the reservoir area, and it is used in a water depth of more than 2.5m; the dead branches are removed according to the season, and the floating bed is replaced regularly (about 1-2 years).

Embodiment 2

[0016] Embodiment 2: select 1.6 meters of long bamboo 1 to be connected into a quadrangle, as a floating bed for planting on the water, fix with bamboo around, each size 1.5m * 1.5m, form a grid-like three-dimensional frame by 2 such bamboo beds , two floating barrels 2 are arranged on both sides. Make the floating bed float in the middle of the water. 3 plants of water spinach are fixed on the uppermost floating bed, 6 × 6 plants; the spacing is usually about 30cm, and the plants are fixed on it by using thin bamboo in the middle, and the spacing between the plants is maintained. Bottom suspension elastic material polyethylene 4 is about 1m long; Bottom is fixed with iron block 5, prevents floating bed from drifting. The floating bed is placed in the center of the pond or the reservoir area, and the water depth is 2.5m to 5m; the plants are harvested regularly according to the season, and the floating bed is replaced regularly (about 1-2 years).

Embodiment 3

[0017] Embodiment 3: select 1 meter long bamboo 1 to be connected into a quadrilateral, as the floating bed used for planting on water, fix with bamboo around, each size 1m * 1m, form the three-dimensional frame of grid shape by 4 such bamboo beds, both sides Set up two floats2. Make the floating bed float in the middle of the water. Fix 3 cress plants on the uppermost floating bed, 4×4 plants; the spacing is usually about 20cm, and use thin bamboo in the middle to fix the plants on it, and keep the spacing between the plants. Bottom suspension elastic material polypropylene 4 is about 2m long; Bottom is fixed with iron block 5, prevents floating bed from drifting. The floating bed is placed in the center of the pond or the reservoir area, and the water depth is 2.5m to 5m; the plants are harvested regularly according to the season, and the floating bed is replaced every year.

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Abstract

The composite stereo biological hover bed has stereo frame of bamboo with upper layer of nodes for setting plant, floated barrels on two side, suspended elastic string material and fixers in the lower layer. In the hover bed, aquatic vegetable and ornamental plant, such as water celery, canna, etc., with fast growth and developed root system are planted. The present invention is suitable for pond and reservoir with deeply polluted water, and has high N and P eliminating effect, and no secondary pollution.

Description

1. Technical field [0001] The invention relates to a biological floating bed. 2. Background technology [0002] The application of floating bed technology began in the 1970s, and there were many studies in Japan and other countries. There have been reports on the water surface floating bed soilless planting of rice, flowers and other crops to treat wastewater (Wu Weiming, Song Yangfu, Jin Ganyu, etc. Research on soilless cultivation of canna in fish ponds[ J]. Acta Applied and Environmental Biology, 2000, 6(3): 206-210; Ma Lishan, Luo Yongming, Wu Longhua, etc. Preliminary study on the dynamics and efficiency of floating bed vetiver to remove chlorine and phosphorus from eutrophic water[J] . Soil, 2000, 31(2): 99-101; Li Fangbai, Wu Qitang. Research on the treatment of domestic wastewater by soilless cultivation of canna and other plants [J]. Journal of Applied Ecology, 1997, 8(1): 88-92; Fu, Zou Guoyan, Wu Weiming, et al. Research on the effect and regularity of floating b...

Claims

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Application Information

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IPC IPC(8): A01G31/02C02F3/32
CPCY02P60/21
Inventor 张毅敏张永春吴小敏陈楚星左玉辉
Owner NANJING UNIV
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