Blue algae enriching and separating device and method

Abstract

The invention discloses a blue algae enriching and separating device and method. The blue algae enriching and separating device comprises an intake pipe, an algae water lifting pump, a blue algae enriching trench, an ultrasonic algae removing tube, and an algae-water separating device. The front end of the intake pipe is used to collect algae water in the surface layer of raw water. The tail end of the intake pipe is communicated with the inlet of the algae water lifting pump. A blue algae enriching device is arranged in the blue algae enriching trench and is used to separate high concentration algae water in the upper layer of algae water in the blue algae enriching trench. After separation, the low concentration algae water in the lower layer is injected into raw water. High concentration algae water is introduced into the ultrasonic algae removing tube. The ultrasonic algae removing tube is used to break gas vesicles of blue algae. The outlet of the ultrasonic algae removing tube iscommunicated with the algae-water separating device. The blue algae enriching and separating device has the advantages of low energy consumption and large processing scale, and does not need any medicament.

Description

technical field [0001] The invention relates to the technical field of algal water separation, in particular to a cyanobacteria enrichment and separation device and method. Background technique [0002] Blooms of cyanobacteria often cause serious problems such as lack of oxygen in the water body, odor in the water body, and blockage of the water supply treatment system. Moreover, the toxins produced by some cyanobacteria pose a great threat to the health of aquatic organisms, livestock, and humans. The massive outbreak of blue-green algae has seriously hindered the sustainable development of society and economy, and its governance is urgent. At present, there are many methods for controlling algae in water bodies, including physical methods, chemical methods, physicochemical methods, biological and biological manipulation methods, etc. Physical methods include mechanical algae removal, ultrasonic algae suppression, aeration algae control, electromagnetic algae killing, shad...

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned prior art can realize the separation of algae water without breaking the algae cells, it has the following problems: first, the concentration of algae cells in the incoming water of the ultrasonically enhanced coagulation sedimentation cyanobacteria damage-free water treatment device is low, and most of the Ultrasonic energy is absorbed by water and sound-absorbing cotton, and only a small part is used to destroy cyanobacteria pseudovacuum, so the utilization efficiency of ultrasonic energy is low; The separation of algae and water; third, the three patents have added chemical agents in the operation process, which increases the treatment cost and brings new chemical pollution

[0005] It can be seen that the operation of the existing algae removal technology needs to consume more energy and funds, and the treatment scale is small, and because of the addition of chemicals, long-term operation will bring new chemical pollution

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