Flotation device and method for treating cyanobacterial bloom in eutrophicated water body

Abstract

The invention relates to a flotation device and method for treating cyanobacterial bloom in a eutrophicated water body. The device comprises a ship hull which operates on the water surface in a flotation-type working mode, wherein the flotation type comprises floatation and travel; the front part of the ship hull is provided with an infrared obstacle evasion device for the ship hull to evade obstacles on the water surface; the back part of the ship hull is provided with an aeration device which is positioned underwater and used for supplying oxygen to the water body; the peripheral side of the front part of the ship hull is also provided with a plurality of ultrasonic transducers for emitting ultrasonic to remove and inhibit algal growth; the back part of the ship hull is provided with solar panels which are oblique relative to the horizontal surface; the solar panels are used for transmitting the converted electric power to a power supply system on the ship hull, so that the electric power can be used by the complete device; and the tail of the ship hull is provided with a propeller for driving the ship hull to travel. The device can make a turn when meeting an obstacle; the aeration device is utilized to enhance the self-purification capacity of the water body, thereby enhancing the cyanobacterial bloom treatment efficiency; and the device has the advantages of low manufacturing cost and low operating cost.

Description

technical field [0001] The invention relates to a floating device and method for controlling cyanobacteria blooms in eutrophic water bodies. Background technique [0002] Environmental problems caused by algae blooms have attracted more and more attention from all walks of life. In July 2015, the State Council issued the "Water Pollution Prevention and Control Action Plan" (referred to as "Water Ten Measures"), which aims to improve the quality of the national water environment by 2030. The "Water Ten Measures" require deepening the prevention and control of pollution in key river basins, monitoring the N and P elements discharged into eutrophic rivers and lakes, and at the same time controlling the blooms of eutrophic water bodies. [0003] Traditional algae removal methods include shading, coagulation, flocculation, chlorination, and photolysis. The traditional algae removal method is to kill algae on a large scale, resulting in the release of algae toxins in the algae c...

AI Technical Summary

Problems solved by technology

[0005] Although the previous similar ultrasonic algae removal device can remove algae, it was found in the actual use process that when the device encounters weeds in the water body, it cannot continue to work, which greatly reduces the algae removal efficiency of the device. At the same time, the general algae removal device Fixed on the shore, the range of action is small

In addition, due to the general lack of dissolved oxygen in eutrophic water bodies, the self-purification ability of water bodies is low, which is also a reason for reducing the efficiency of algae removal devices

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