Biological adsorbing sightscene floative bed for treating water body as sightscene

A landscape and ecological technology, applied in the field of environmental engineering, can solve problems such as high requirements, achieve the effect of improving the removal rate and removal capacity, and shortening the treatment period

Inactive Publication Date: 2005-07-27
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because hydroponic flowers have high requirements for nutrients such as nitrogen and phosphorus in water, such as the world-renowned general-purpose nutrient solution formula "UK Lausanne Experiment Station a" stipulates that the nitrogen concentration in the hydroponic solution is 9.89mmol / L, that is, 138.46mg / L; the phosphorus concentration is 3.70mmol / L, that is, 114.7mg / L, which is much higher than the nitrogen and phosphorus concentration in natural water bodies. Even water bodies with serious eutrophication cannot meet their needs

Method used

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  • Biological adsorbing sightscene floative bed for treating water body as sightscene
  • Biological adsorbing sightscene floative bed for treating water body as sightscene

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Embodiment

[0022] The floating bed is 2 meters long, 1 meter wide, and 5 cm thick polyethylene foam boards as floating support substrates, and 3 × 6 round holes are drilled at a plant spacing of 15 cm. The diameter of the round holes is about 8 cm, which is used for cutting plant seedlings. Coating mesh below each round hole is 18 mesh fishing nets, and the top of the net is fixed with a plastic ring with a diameter of 10 cm. Each fishing net is filled with a mixed high-efficiency nitrogen and phosphorus adsorption material with a particle size greater than 2cm, including 1.5kg of granulated fly ash, 1.5kg of zeolite, and 2kg of vermiculite. The granulated fly ash is used to adsorb phosphorus, and the zeolite is used to adsorb nitrogen. , Vermiculite is used for simultaneous adsorption of nitrogen and phosphorus, because its composition contains about 13% potassium salt, which can provide potassium source for plants when necessary. A total of 27kg of granulated fly ash, 27kg of zeolite a...

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Abstract

An ecological absorptive landscape float bed for treating landscape water body achieves low cost and short treating period. Multiple holes are arranged on the float supporting basilar plate of float consists of light float materials, an ecological absorptive layer is arranged on the holes bottom by coated netting bag, the ecological absorptive layer contacts with landscape surface directly, high-efficient phosphorus absorptive material, ammonia nitrogen absorptive material and biological ceramic particles are filled, water-planting flowers, aquatic ornamental plants and commercial crops are planted on the ecological absorptive layer. It can improve nitrogen and phosphorus removing speed and capacity.

Description

technical field [0001] The invention relates to an ecological adsorption landscape floating bed for the treatment of landscape water bodies. While effectively controlling the pollution of landscape water bodies, various hydroponic flowers and ornamental aquatic plants with high requirements for nutrient sources can be planted on the ecological adsorption layer. Plants, etc., to create a beautiful and harmonious ecological floating island landscape. It belongs to the field of environmental engineering technology. Background technique [0002] With the continuous development of our society and the continuous improvement of per capita living standards, urban residents have higher and higher requirements for living environment. At present, landscape water bodies in cities, such as large and small lakes, artificial lakes, and moats, have become the key content of urban landscape construction. In order to meet the "water-friendly" needs of the residents of the residential quarte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/10C02F3/32
CPCY02W10/10
Inventor 孔海南陈雪初张大磊
Owner SHANGHAI JIAO TONG UNIV
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