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Comhined-flow artificial wet land and its application system

A technology of constructed wetland and application system, applied in sustainable biological treatment, water/sludge/sewage treatment, biological water/sewage treatment, etc., can solve the problem of poor removal effect, easy blockage, no vertical flow system and horizontal flow system Combined use and other problems to achieve the effect of good treatment effect and reduced floor space

Inactive Publication Date: 2007-06-13
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

The disadvantage is that the removal effect on TSS is poor, and it is easy to clog
[0006] At present, the popularization and application of domestic constructed wetland technology is mainly a wetland system with a single flow type, or a combination of subsurface flow and surface flow. There is no precedent for the combination of vertical flow system and horizontal flow system, and the simulation research is limited to plane There is no systematic and in-depth understanding and report on the combination of wetlands with different flow patterns.

Method used

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  • Comhined-flow artificial wet land and its application system
  • Comhined-flow artificial wet land and its application system

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Embodiment Construction

[0026] As shown in Figures 1-3, the domestic sewage 1 from residential buildings first enters the septic tank 2 for fermentation and decomposition, then overflows into the sedimentation tank 3 to remove settleable solids through sedimentation, and the surface runoff 4 during the rainy season is collected first Settled and stored in the sedimentation tank 3, the sewage in the sedimentation tank is lifted and pressurized into the compound flow artificial wetland system 7 through the sewage pump room 5, and the water is fed through the perforated water distribution pipe 6 on the upper layer of the wetland to achieve uniform water distribution, and the perforated pipe Cover with coarse sand or gravel to prevent odor emission without affecting the exchange with the atmosphere. Wastewater first enters the vertical flow unit 8 on the upper layer of the system, and a large amount of oxygen entering the vertical flow unit through suction enables it to effectively complete the removal of...

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Abstract

This invention relates to a complex flow artificial marsh composed of a vertical flow artificial marsh unit at the top and a level flow gravel bed at the bottom to become an integral structure, which is a solid sewage zoology process system, the level flow gravel bed is under the vertical flow marsh unit to reduce occupied areas with exclusive nitrogen-removing effect, in which, TSS, BOD and TN in the sewage are removed effectively and processed water can be collected by collecting wells and used in pouring greenbelt in local areas, besides, rain flows can be stored in underground deposition tanks and processed and re-used by the complex flow artificial marsh to realize situ processing life sewage and rain flows.

Description

technical field [0001] The invention relates to sewage ecological treatment technology, in particular to a composite flow artificial wetland for sewage treatment and its application system. Background technique [0002] Constructed wetland is a sewage treatment technology developed in the late 1970s. It has distinctive features and advantages, and is quickly accepted by all parts of the world and is being used more and more widely. Constructed wetland is a sewage treatment system that is artificially designed to realize the ecological process of natural wetlands. It makes full use of wetland plants, soil and microorganisms to remove pollutants in sewage. Like other natural treatment systems, wetland treatment systems can bring additional benefits. It is a system with low investment and operation costs, convenient maintenance and management, but a large area. The use of constructed wetlands to treat sewage can preserve and build wetlands with high environmental benefits for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCY02W10/10
Inventor 尹炜李培军裘巧俊李辉巩宗强张海荣
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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