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Low-impact development reclaimed-water recycling subsurface flow constructed wetland system

A technology of constructed wetland system and low-impact development, applied in water/sewage treatment, multi-stage water/sewage treatment, biological water/sewage treatment, etc. The effect of simplicity, low construction and maintenance costs, and efficient sewage purification effect

Inactive Publication Date: 2019-12-03
DONGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The treatment of saline wastewater is mostly based on membrane and osmotic desalination technology, but its cost and operating cost are too high, and the problem of membrane fouling is complicated

Method used

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  • Low-impact development reclaimed-water recycling subsurface flow constructed wetland system
  • Low-impact development reclaimed-water recycling subsurface flow constructed wetland system

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Embodiment Construction

[0031] The present invention will be further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.

[0032] Such as figure 1 Shown is a front view of the structure of a horizontal subsurface flow constructed wetland water reuse system based on low-impact development circulating cooling water provided by the present invention. The horizontal subsurface flow constructed wetland water reuse system based on low-impact development circulating cooling water The system includes a water collection system 25, a constructed wetland bed 1, a continuo...

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Abstract

The invention provides a horizontal subsurface flow constructed wetland reclaimed-water recycling system based on low-impact development circulating cooling water, and belongs to the technical field of ecological water treatment. The system consists of a water collection tank, an artificial wetland bed, a porous water distribution assembly, a cooling pipe assembly, a salt-resistant wetland plant,a multi-layer thermal insulation wetland filler, an activated carbon adsorption bed, and a water supply tank. The system is characterized in that the artificial wetland used has the functions of botha cooling system and a purification system, and when the system is placed on the roof of a large shopping mall or an industrial enterprise building, the artificial wetland can be used to continue cooling the cooling water and purifying the high salinity circulating cooling water, with rainwater as supplementary cooling water. The invention has a simple structure, and low construction and maintenance costs; long-term operation of the cooling system can be effectively maintained, achieving the goals of energy conservation, emission reduction, and reuse of reclaimed water; and the system can be widely used in the construction of urban low-impact development cooling water systems, and has broad development prospects.

Description

Technical field [0001] The invention belongs to the technical field of ecological water treatment, and more specifically relates to a technical method for the treatment of high-salinity wastewater in a horizontal subsurface flow constructed wetland. At the same time, it also relates to a low-impact development circulating cooling horizontal subsurface flow constructed wetland water reuse system, which is suitable for Recycling and low-impact development of central air-conditioning cooling water in industrial production workshops and large shopping malls under different temperature conditions in four seasons. Background technique [0002] Cooling water is an important part of industrial water. Cooling water accounts for about 70% of industrial water consumption. Therefore, the circulating cooling water system plays a role in saving a lot of industrial water. Most industrial enterprises use circulating cooling water raw water that contains nitrate or tap water. Various salts such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F9/14
CPCC02F1/283C02F3/32
Inventor 王宇晖王逸飞宋新山戴晓波乔雯雯司志浩赵雨枫张志兰徐勇
Owner DONGHUA UNIV
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