Oxygen-rich water ecological restoration system

Abstract

The invention discloses an oxygen-rich water ecological restoration system. The oxygen-rich water ecological restoration system is characterized in that the oxygen-rich water ecological restoration system comprises an inlet pipe, a porous water distribution pipe, an outer aerobic zone, an aeration system, an overflow weir, an inner anoxic zone and a water outlet pipe; the outer aerobic zone and the inner anoxic zone are in a concentric cylindrical structure, the inlet pipe is connected with the outer aerobic zone through the annular porous water distribution pipe, the porous water distributionpipe is installed at the bottom of the outer aerobic zone, the aeration system comprises a micropore aeration pipe and an aerator, the micropore aeration pipe is arranged above the porous water distribution pipe and is connected with the aerator, the outer aerobic zone is separated from the bottom of the inner anoxic zone and is communicated with the top of the inner anoxic zone, the overflow weir is arranged on the top of the inner anoxic zone, the bottom of the inner anoxic zone is communicated with the outlet pipe, the outer aerobic zone and the inner anoxic zone are filled with particulate fillers, and aquatic plants are planted in the particulate fillers. The oxygen-rich water ecological restoration system has the beneficial effects that: in a same artificial wetland, an outer aerobic and inner anoxic function zone is formed, so that a carbon cycle and a nitrogen cycle in sewage are compactly occurred in the same artificial wetland, and land occupation areas are reduced, filler aeration can also effectively prevent clogging of a bed and prolong service life of the artificial wetland, and the oxygen-rich water ecological restoration system is especially suitable for treatmentof decentralized domestic sewage.

Description

technical field [0001] The invention relates to a sewage treatment method, in particular to an ecological restoration system for polyoxic water bodies. Background technique [0002] With the rapid development of social economy, my country's water environment situation is becoming increasingly severe. Many problems caused by water pollution are worrisome, and various places have successively carried out the remediation work of polluted water bodies. Under such circumstances, urban point source pollution control has achieved certain results, but in the vast rural areas, the problem of water pollution has become more prominent. [0003] Pollutants produced in rural life and production processes, such as domestic sewage in villages and towns, chemical fertilizers and pesticides applied in farmland, and animal manure in aquaculture, etc., are washed by precipitation and runoff, and enter rivers, lakes, reservoirs, and bays through surface runoff In other receiving water bodies,...

AI Technical Summary

Problems solved by technology

Then, with the development of engineering practice, in order to ensure the removal of carbon and nitrogen in water, a large area is usually required to complete the removal of organic carbon and the process of nitrification and denitrification, which limits the engineering promotion of this technology

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