Using microbiological sewage treatment methods is a biological treatment; make use of aerobic flora formed floc-grain in the activated sludge, contact, and adsorption, decomposition the colloidal and soluble organics in the sewage, to purify the sewage.
The mixed liquor of aeration tank has sufficient dissolved oxygen in order to better ensure the effect of aerobic microorganisms. If dissolved oxygen is too low, normal metabolic activities of aerobic organisms will drop; activated sludge will be black and stink. And thus its ability to deal with pollutants reduced and the dissolved oxygen concentration is too low, filamentous bacteria are also easy to breed, produce sludge bulking, affect water quality. In order to ensure the treatment effect of aerobic microorganisms, aeration tank outlet mixture concentration should be maintained at 2mg/L.
Maintain aeration tank, flotation tank and biological oxidation ditch dissolved oxygen concentration equipment is aeration machine. Its performance has a direct impact on the treatment effect, treatment pond covers, and investment and operating costs.
Application
Micro nano bubble generator can be used in various types of aeration tank, biolfilter, flotation tank, biological filter, SBR biochemical pool, biological oxidation ditch aeration, the device can also be replaced various flotation machine and dissolved are flotation. It is the replacement products of various flotation machine, disc aerators, and aeration head.
Working principle
Working principle and equipment advantage: Micro nano bubble generator consists of motor, mainframe, propeller shaft and impeller. Motor driven impeller make high-speed rotation, formed negative pressure zone in water, water vapor is mixed in the negative pressure zone, by the impeller supercharger, produce large amounts of microscopic bubbles, these bubbles expanding scattered into the wastewater, thereby realize the cavitations-air flotation. This equipment simple structure, vertical structure, electric mechanic rate is small, oxygenated strong force is big, easy installation. Because of its good performance, excellent handling ability, has won the praise of users, and achieved good social and economic benefits.
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