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Below is a discussion of the manufacturing method of anaerobic towers for wastewater treatment
Release time:
2022-12-12 13:38
The following is a discussion of the manufacturing method of anaerobic towers for wastewater treatment
An anaerobic tower is an anaerobic biological wastewater treatment method, where wastewater flows upward from the bottom Anaerobic Tower A large amount of anaerobic sludge accumulates at the bottom of the anaerobic tower. Most of the organic pollutants in the wastewater are decomposed here through anaerobic fermentation into methane, which is continuously released in the form of tiny bubbles. These tiny bubbles gradually form large bubbles as they rise, and the sludge layer is stirred by the methane to form a mud-water mixture with a low sludge concentration.
The mud-water mixture containing biogas bubbles rises into the three-phase separator. The biogas is collected by the three-phase separator and enters the gas collection chamber. A conduit is installed above the gas collection chamber, and the biogas in the gas collection chamber is discharged through the conduit. The mud-water mixture enters the water collection area for mud-water separation. The supernatant is discharged from the upper water outlet pipe, and the settled sludge returns to the sludge reaction area under the action of gravity. Let's learn about the manufacturing method of anaerobic towers for wastewater treatment! In traditional structures, in order to improve the degradation capacity of anaerobic towers, high concentrations of suspended solids easily clog the water distribution mechanism, affecting production. In addition, wastewater in the suspension zone can usually be returned to the water supply pipe and then transported to the bottom of the reactor through the water distribution mechanism. In mechanical stirring structures, the stirring paddle can only rotate on the same plane. To improve the contact effect between the bottom sludge layer and the wastewater, a stirring mechanism is usually set to stir the sludge layer. However, the stirring methods are divided into mechanical stirring and hydraulic stirring, so the stirring effect is also relatively low.
Technical Implementation Elements of Anaerobic Towers:
Anaerobic towers avoid the shortcomings of the mechanism in existing technologies where wastewater backflow is prone to flooding, and propose a wastewater treatment method with good results. Anaerobic Tower 。
In order to achieve the above objectives, the technical solution for anaerobic towers is implemented as follows.
A wastewater treatment anaerobic tower, characterized in that: a gas collection chamber is provided above the three-phase separator, and a water outlet pipe is provided on the upper side wall of the water collection area; a water supply pipe is also provided that is connected to the sludge reaction part through a water distribution mechanism, forming a sludge reaction area, a suspension area, and a water collection area from bottom to top; a three-phase separator is provided in the water collection area and the suspension area; circulation pumps are connected in series with the circulation pipe and the circulation pipe, respectively; a circulation pipe is provided between the water outlet pipe and the water supply pipe; and a circulation pipe is provided between the floating part and the water supply pipe.
The water distribution mechanism includes a main pipe surrounded by the anaerobic tower and multiple water distribution pipes set on the main pipe; the stirring mechanism includes a stirring shaft extending to the sludge reaction area and a rotating motor fixed at the top of the UASB reaction tower; the water distribution pipe is connected to the sludge reaction area; the main pipe is connected to the inlet pipe; and a transmission mechanism is provided between the power output shaft of the rotating motor and the stirring shaft.
In addition, the transmission mechanism includes a cylindrical gear fixed on the power output shaft of the rotating motor and a cylindrical gear fixed on the stirring shaft. A stop rod slidingly fitted in the cam groove of the cylindrical cam is fixed at the top of the UASB reaction tower. The stirring shaft moves along its own axis under the action of the stop rod, and the cylindrical cam is fixed on the stirring shaft, with the following advantages.
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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