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The manufacturer introduces the working principle of the swirl aerator.
Release time:
2022-12-12 13:39
Vortex Aerator It is a highly efficient gas-liquid mixer designed based on the principles of fluid dynamics. A large amount of compressed air is directly sent from a small-diameter air supply pipe to the intake liquid mixer. When it encounters a wedge-shaped object in the mixer, it breaks into fine bubbles, and the fine bubbles and the inhaled liquid are fully mixed in the mixer, and the gas-liquid mixer is spirally ejected, forming a circulating flow around the gas-liquid mixer. This increases the residence time of microbubbles in the water, thereby greatly improving the oxygen utilization rate, so that the air and activated sludge in the pool achieve an excellent mixing state and the longest residence time.
The vortex aerator can be installed by hoisting or hanging, and can be installed in the pool without drainage and without bottom pipes. The plastic aerator is placed at the bottom of the pool, and the maintenance of the pool surface is very convenient. Low maintenance cost, no blockage, no need for regular cleaning of the aerator; it can be intermittently operated without blockage, and the use effect will not be reduced, suitable for high-concentration sludge aeration.
The vortex aerator integrates the mixing, crushing, and cutting of air and water. The mixing effect of air and water is good, even bubbles are produced, and the oxygen utilization rate is high. This equipment is mainly used for the aeration system of industrial wastewater and municipal wastewater, and its advantages are more obvious in wastewater with high suspended solids, high hardness, and easy scaling.
The vortex aerator includes an air intake pipe and an aeration cylinder with internal channels. The upper part of the cylinder is staggered with the first cutter and the second cutter. The vortex aerator is injection-molded, easy to install and has strong corrosion resistance. During operation, the air inlet at the bottom of the vortex aerator rises at a high speed during inflation, and drives the surrounding mud and water mixture to rise together, passing through the screw, the first cutter and the second cutter. When cutting, the bubbles are cut into small bubbles and fully mixed with the surrounding mud and water mixture, thereby increasing the mass transfer rate and oxygen utilization rate of oxygen.
Swirling aerator
Practical application of IC tower in food processing wastewater treatment
Wastewater from the food processing industry contains a large amount of organic matter, suspended solids, and oils. Traditional treatment methods often face problems such as high energy consumption and long processing cycles. The IC tower (internal circulation anaerobic reactor), with its unique internal circulation structure and three-phase separation system, demonstrates technical adaptability in treating high-concentration organic wastewater. The core advantage of the IC tower lies in its internal circulation mechanism. Through the fluid movement of the internal rising and falling pipes, it achieves thorough mixing of sludge and wastewater, improving biodegradation efficiency. In food wastewater treatment, the IC tower can adapt to influent conditions with a wide range of COD concentrations, especially suitable for the dairy, meat processing, and brewing industries. Practice has shown that when treating oily wastewater, the IC tower can stably achieve a COD removal rate that meets emission standards by reasonably controlling the hydraulic retention time and organic load. In an actual engineering case, a large seasoning production enterprise used the IC tower as a pretreatment unit. The influent COD concentration ranged from 8000-12000mg/L, and after treatment by the IC tower, it was reduced to below 1500mg/L, significantly reducing the burden on the subsequent aerobic treatment unit. The operating data shows that the biogas yield of the IC tower is stable and can be used for energy recovery, further reducing treatment costs.
The effectiveness of IC tower in treating high-concentration organic wastewater
The IC tower (internal circulation anaerobic reactor) is an important piece of equipment in modern wastewater treatment, demonstrating significant technical characteristics in treating high-concentration organic wastewater. Its unique internal circulation system enhances the contact efficiency between sludge and wastewater, making the organic matter degradation process more thorough and showing clear adaptability in treating industrial wastewater with a COD concentration exceeding 3000 mg/L. The treatment effect of this technology is mainly reflected in two dimensions: organic matter removal rate and biogas production. Actual operating data shows that in wastewater treatment for industries such as brewing and food processing, the IC tower usually maintains a high COD removal rate. The granular sludge formed inside the reactor has good settling performance, ensuring the stability of system operation. When the temperature is controlled around 35℃, the microbial activity reaches an optimal state, and the treatment effect is relatively ideal. In the process of treating high-concentration organic wastewater, the volumetric loading capacity of the IC tower is a key indicator that distinguishes it from traditional anaerobic processes. Due to its multi-stage reaction zone design and internal circulation flow pattern, the equipment can withstand high organic load shocks. Pharmaceutical wastewater treatment cases show that the system can still maintain stable operation when the influent COD fluctuates between 5000-8000 mg/L.
In the back-end process of semiconductor manufacturing, the IC handler (integrated circuit testing and sorting equipment) plays a core role in verifying chip functions and screening for quality. Its working principle is to use a precision robotic arm to send wafers or packaged chips to the testing station, and use the probe card and tester to complete the electrical parameter measurement. Then, according to the test results, it automatically sorts out qualified products and defective products. This integrated "test-judgment-sorting" process makes it a decisive link in the quality control before the chip leaves the factory. From a technical perspective, the gatekeeping role of the IC handler is reflected in three dimensions: First, the contact testing scheme can simulate the actual working state of the chip and detect physical defects such as open circuits, short circuits, and leakage; second, the multi-station parallel testing architecture achieves the screening capacity of thousands of chips per unit time, matching the production capacity needs of the packaging and testing factory; more importantly, its test data is directly related to the yield statistics of the chip, providing key evidence for process improvement. Current mainstream equipment supports environmental temperature testing from -40℃ to 150℃, covering the reliability verification needs of different application scenarios such as consumer electronics and automotive electronics. In industrial practice, the testing standards of IC handlers are often more stringent than the terminal application conditions. Taking the case of a major packaging and testing factory as an example
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