Liftable rotating aeration device for strengthening river sediment oxygen enrichment

Abstract

The invention discloses a liftable rotating aeration device for strengthening river sediment oxygen enrichment. The liftable rotating aeration device is characterized in that a solar photovoltaic power generation system and a storage battery form a power supply system; the power supply system can supply power to an aeration pump during daytime and nighttime; the aeration pump is connected with a rotating aeration disc; the aeration disc is of an oblate bottomless shell structure; the aeration disc and a conical body vertically arranged at the center of the circle center of the aeration disc form an integral body; a check valve is arranged inside the conical body; the rotating aeration disc is made from PTFE; the waterproofness is high and the mechanical loss is small; a rotating impeller and grids / diversion holes are further arranged inside the rotating aeration disc; the head loss is small; when the aeration pump is started, the rotating aeration disc operates, air is uniformly diffused to the sediment surface layer in a service region in a spiral manner, the sediment oxidation reduction electric potential is remarkably improved, and anaerobic odors are effectively controlled; and during the intermittent period, the aeration disc can be floated upwards to be maintained. The liftable rotating aeration device can be further combined with other ecological floating beds, the application range is wide, and the liftable rotating aeration device is utilized in a water body for a long time to guarantee self-cleaning capacity of the water body and strengthen river sediment oxygen enrichment.

Description

technical field [0001] The present invention relates to water environment ecological restoration equipment, in particular to a high-uniformity, high-convenience, and high-adaptability device for improving the release potential of river sediment pollutants and the micro-ecological environment. In-situ aeration device for enriching oxygen in nutrient river sediment. Background technique [0002] With the continuous improvement of tail water quality requirements of sewage treatment plants, strict control of industrial sewage discharge, and the reduction of non-point source pollution by the construction of sponge cities, the proportion of point source and non-point source pollution in polluted rivers has gradually decreased, while endogenous pollution (bottom source pollution) The importance of mud release) control is emphasized. There are a large amount of polluting organic matter and nutrient salts in the sediment of the river channel, which are controlled by the water body-s...

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Problems solved by technology

[0008] The purpose of the present invention is to solve the disadvantages of poor adjustability, uniformity and poor stability of existing river bottom mud aeration devices, and to provide a lifting and moving rotary aeration device suitable for river bottom mud, which can be used Sediment aeration during in-situ remediation of black and odorous / eutrophic water bodies

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