Urban water net and water along greening ecological symbiosis method and system

A water network, city technology

Inactive Publication Date: 2008-09-17
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide an ecological symbiosis method and system for urban water network and waterside greening to solve the increasingly serious pollution of urban water network, the high cost of conventional treatment methods, the lack of sustainability, the large demand for water and fertilizer for urban greening, and the maintenance Technical problems such as high cost and large consumption of manpower and material resources

Method used

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  • Urban water net and water along greening ecological symbiosis method and system
  • Urban water net and water along greening ecological symbiosis method and system

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Embodiment

[0026] Composite plant zone 1 has a slope of 5% and a width of 3 meters. It is divided into a block every 5 meters along the length direction. Perennial ryegrass, bermudagrass, roses, rhododendrons and willows are planted in the block. A self-priming water pump 2 (750W, 80L / min) is responsible for the water supply of a block. Under the control of relay 8 (DH48S-S type time relay), it works twice a day, 20 minutes each time, from the urban water network 10 The composite plant belt 1 is irrigated by absorbing water, and the water is allowed to flow back to the urban water network 10 after being filtered by the composite plant belt 1 . The pump shaft 5 that preserves water pump 2 usefulness is built with bricks, and length, width, height are 50cm, and catch is closed with cement plate lock. The water supply pipe 3 adopts a Φ32mm PVC pipe and is buried 40cm below the ground. The filter screen 4 at the water inlet end of the water supply pipe 3 adopts a plastic mesh cloth with a me...

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Abstract

The invention discloses a method for symbiosis of urban water system and waterfront greening plants and a system thereof. A water pump equipped with an electric relay is arranged inside a pump well, one end of the water pump is connected with the water system, the other end of the water pump is connected with the high end of a compound vegetation zone, a low end drainage ditch is connected with the water system, and the pump well and water supply pipes are embedded below the compound vegetation zone. The method comprises the following steps of selecting arbor, shrub and cover plants capable of effectively absorbing pollutants according to the composition and concentration of pollutants in the polluted water body in the water system for constructing the compound vegetation zone, pumping water from the water pump for irrigating the vegetation zone and supplying plants water, applying the pollutants in the water to supply plants nutrients, recycling the water with relieved pollution level after filtering with the vegetation zone to the water system, repeating the above steps until the water system pollution is controlled and treated. During the above steps, the plants replaced and harvested due to growth or climate reason are utilized, and new plants are planted. The inventive method and system are used for urban water system pollution controlling and urban greening.

Description

technical field [0001] The invention relates to urban water network pollution prevention and urban greening methods, in particular to an urban water network and waterside greening ecological symbiosis method and system. Background technique [0002] The shortage of fresh water resources is one of the ecological niches that our country and even all mankind are facing. my country is recognized as a water-poor country, and has been included in the "blacklist" of the 12 most water-poor countries in the world by the Food and Agriculture Organization of the United Nations. The per capita fresh water resources are less than 1900m 3 . Compared with the scarcity of quantity, the quality (water quality) shortage of fresh water resources is more serious, and the pollution caused by human activities is increasingly devastating to inland fresh water bodies. According to the monitoring information of the water quality categories of major freshwater waters in my country, the proportion o...

Claims

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Application Information

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IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 泮进明应义斌
Owner ZHEJIANG UNIV
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