An ecological restoration method for oxygenating polluted urban rivers.

By combining filtration mechanisms, floating plant beds, and aeration and oxygenation mechanisms, the problems of poor water purification effect and easy clogging of aeration holes in urban black and odorous rivers have been solved, achieving diversified and continuous river purification effects.

CN115724555BActive Publication Date: 2026-07-17JIUJIANG NANDA ENVIRONMENTAL PROTECTION INNOVATION CENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIUJIANG NANDA ENVIRONMENTAL PROTECTION INNOVATION CENT CO LTD
Filing Date
2022-12-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing methods for ecological restoration of polluted urban rivers by increasing oxygen levels in fresh water have problems such as insufficient purification and restoration effects, easy clogging of aeration holes, and poor long-term sustainability.

Method used

The design incorporates a combination of filtration mechanisms, floating plant beds, and aeration mechanisms, including a fixed frame, filter screen, filter frame, filter components, floating plant beds, and aeration mechanisms. By combining microbial carriers and plant purification, it increases the diversity and sustainability of purification and remediation methods.

Benefits of technology

It improves purification efficiency, avoids clogging of aeration holes, achieves sustainable river purification treatment, and enhances the longevity of river sewage remediation.

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Abstract

This invention discloses an ecological restoration method for oxygenating and revitalizing polluted urban rivers, belonging to the field of water body restoration technology. The invention includes a filtration mechanism, a floating plant bed, and an aeration and oxygenation mechanism. The floating plant bed is interlocked with the filtration mechanism; the aeration and oxygenation mechanism is fixedly connected to the filtration mechanism by bolts. This invention, through a restoration system combining the filtration mechanism, aeration and oxygenation mechanism, microbial purification, and plant purification, compensates for the limitations of single treatment methods, increases the diversity of restoration approaches, and improves treatment efficiency. The filter screen in the filtration mechanism performs primary filtration, preventing impurities from clogging the aeration holes of the subsequent aeration and oxygenation mechanism, thus improving purification efficiency and saving resource utilization. The restoration system combining aeration and oxygenation, microbial purification, and plant purification provides sustainable purification of polluted river water, increasing the longevity of the purification process.
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