In scenarios such as sewage treatment plants, industrial wastewater tanks, and landscape water treatment, dissolved oxygen content is the core indicator for measuring the self purification capacity of water bodies,QXB submersible centrifugal aeratorWith its dual functions of deep water oxygen supply and agitation, it has become an efficient equipment for water re oxygenation and is widely used in scenarios that require rapid increase of dissolved oxygen and improvement of water quality. ​

The aeration tank of urban sewage treatment plants is the main battlefield of QXB submersible centrifugal aerators. In the activated sludge treatment process, microorganisms in the aeration tank require sufficient oxygen for metabolic activities. The equipment drives the impeller to rotate at high speed (1450-2900r/min) through a submersible motor, sucking in and cutting air into tiny bubbles (0.5-3mm in diameter), evenly diffusing into the water body, increasing the dissolved oxygen concentration from 0.5mg/L to 2-4mg/L, meeting the needs of microbial degradation of organic pollutants. For aeration tanks with a depth of 5-10 meters, the centrifugal design can overcome deep water pressure and ensure oxygen transmission efficiency of over 2kgO ₂/kWh, saving 30% energy compared to surface aeration equipment. In the oxidation ditch process with high sludge concentration, the water flow disturbance generated by the aerator can also prevent sludge sedimentation, maintain the uniformity of the mixed solution, and stabilize the COD removal rate at over 85%. ​

In industrial wastewater treatment, this equipment is suitable for complex water quality environments. When dealing with wastewater containing high concentrations of organic matter such as printing and dyeing, papermaking, etc., the QXB submersible centrifugal aerator can adjust the installation depth (up to 15 meters) and aeration amount to cope with the characteristics of high suspended solids and viscosity in the water body, and avoid the influence of bubble aggregation on oxygen transfer. In the later stage of the oil separation tank for oily wastewater treatment, aeration can promote oil-water separation and provide pretreatment for subsequent biochemical treatment, increasing the removal rate of oil substances by 20%. The impeller and guide cover made of stainless steel material (304 or 316) can withstand acidic and alkaline environments with pH values of 3-11, adapt to the corrosive conditions of chemical wastewater, and have a service life of more than 5 years. ​

In landscape water treatment, QXB submersible centrifugal aerator is a powerful tool for ecological restoration. For black and odorous rivers, multiple aerators are installed at the bottom of the water to form a circulating flow, breaking the stratification of the water body and lifting the bottom water with insufficient dissolved oxygen to the surface to come into contact with the air. At the same time, microbubbles are released to increase dissolved oxygen, transforming the water from an anaerobic state to an aerobic state and inhibiting the growth of black algae and blue-green algae. In landscape water bodies such as artificial lakes and wetland parks, the water flow generated by equipment operation can drive the flow of water bodies, avoid dead corners and siltation, cooperate with aquatic plant planting, form a virtuous ecological cycle, increase transparency by more than 50cm, and restore the landscape function of water bodies. Its silent design (operating noise<60dB) will not interfere with surrounding residents and leisure activities, achieving the unity of ecological and social benefits. ​