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Introduction to the characteristics of anaerobic tower components
Release time:
2022-12-12 13:39
Anaerobic Tower Components include: barrier well, equalization basin, anaerobic basin, anoxic basin, two sedimentation basins, and contact oxidation basin, etc. Each component plays an important role in the process of wastewater treatment equipment. Let's understand the function of each part: The barrier well separates suspended solids and impurities from wastewater, avoiding later equipment processing.
The function of the equalization basin: According to the characteristics of domestic water, the drainage time is uneven, and the drainage time in the morning, middle, and evening is basically fixed. The equalization basin can adjust the uneven water supply to ensure normal operation and adjustment of the swimming pool after treatment. A water level controller is set to achieve automatic control.
The function of the anaerobic basin is: Wastewater enters the anaerobic basin through a stirrer and combines with anaerobic bacteria. The anaerobic basin decomposes microorganisms and organic matter in wastewater, producing substances such as carbon dioxide and methane.
The function of the anoxic basin is that the anaerobic basin flows into the anoxic basin, further decomposing organic matter and removing ammonia nitrogen and phosphorus from wastewater. The top layer of sand and mud in the anaerobic basin flows into the oxidation basin, and the sludge enters the anaerobic basin through the reflux pipe to increase the concentration of the anaerobic basin and improve the treatment efficiency of the anaerobic basin during anaerobic digestion. When the pool concentration reaches saturation, the reflux valve closes, the valve flowing into the sludge thickening pool opens, and the sludge flows directly into the sludge thickening pool.
Two sedimentation basins allow water to contact the two sediments in the oxidation basin. The settled water enters the disinfection pool, and the sludge is injected into the sludge thickening pool by a sludge pump. The water in the disinfection pool is treated by a chlorine dioxide generator and then discharged. The settled sludge is recycled. The sludge is pumped into a plate and frame filter press by a pump, and the filter water flows into the equalization basin through a reflux pipe.
The function of the contact oxidation basin: Wastewater from the anaerobic basin enters the contact oxidation basin, and oxidation bacteria (solid elastic filler) in the contact oxidation basin enter the contact oxidation basin. The components of the sludge are the corpses of bacteria.
Anaerobic tower
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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