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Technical advantages of IC cans
Release time:
2022-12-12 13:39
IC tank Do you know what are the technical advantages of it? Shandong Zhiyuan Environmental Engineering Co., Ltd. Let me tell you!
1. High volumetric loading rate
IC tank Strong internal circulation, good mass transfer effect, large biomass, and its volume load is much higher than that of ordinary UASB reactors, generally 3 times higher. When treating high-concentration organic wastewater, when COD is 10000-15000mg/1, the volumetric load rate can reach 10-18 COD m3·d.
2. Save infrastructure investment and land area
IC tank The volumetric load rate is about 3 times higher than that of ordinary UASB reactors, about 1/4-1/3 of the area of ordinary UASB reactors, so the investment in reactors can be reduced. IC tanks are not only small in size but also have a high aspect ratio, so the area occupied is very small, which is very suitable for the new and expansion projects of compact factories and mines.
3. Strong resistance to shock load
IC tank It realizes its own internal circulation, and the circulation amount can reach 10-20 times the influent. Because the circulating water and influent are fully mixed at the bottom of the reactor, the concentration of organic matter at the bottom of the reactor is reduced, thereby improving the shock load resistance of the IC tank. At the same time, a large amount of water also makes the bottom sludge evenly dispersed, ensuring that the organic matter in the wastewater and microorganisms are fully contacted and reacted, increasing the treatment load.
4. Good water stability
Because IC tank It is equivalent to the series operation of upper and lower UASB reactors, so the organic load rate of the lower reactor is very high, and it plays the role of "rough" treatment, while the load of the upper reactor is low, and it plays a certain role of "fine" treatment. The effluent water quality is stable.
5. Strong low-temperature resistance
The influence of temperature on anaerobic digestion is mainly the influence on the digestion rate. Because IC tank It contains a large number of microorganisms, the influence of temperature on anaerobic digestion is no longer significant and serious. Usually, IC tank digestion can be carried out at room temperature at 20-25 ℃, which reduces the difficulty of digestion and heat preservation and saves energy.
6. Has the ability to buffer PH
The internal circulation flow is equal to the reflux of the effluent in the first anaerobic zone. The alkalinity generated by COD conversion can be used to maintain the PH in the reactor at the optimal state, and at the same time, the amount of alkali in the influent can be reduced.
7. Internal automatic circulation, no external power supply
The reflux of ordinary anaerobic reactors is achieved by external pressurization, while IC tank It uses the biogas generated by itself as power to realize the internal circulation of the mixed liquid without setting a forced circulation pump, thus saving power consumption.
8. Short start-up period
IC tank The sludge in it has high activity and rapid biological proliferation ability, which provides favorable conditions for the rapid start-up of the reactor. The start-up period of the IC tank is usually 1 to 2 months, while the start-up period of ordinary UASB is 4 to 6 months.
9. High biogas utilization value
IC tank The biogas produced has high purity, 70%-80% CH4, 20%-30% CO2, 1%-5% other organic matter, which can be used as fuel.
IC can
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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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