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Wuxi vortex concave air flotation machine
Brief description: The vortex concave air flotation machine adopts the principle of combining mechanical aeration and chemical flocculation to treat v
Product details
Vortex concave air flotation machineThe principle of combining mechanical aeration with chemical flocculation is an ideal physical and chemical equipment for treating various types of wastewater with different water qualities. In the treatment of wastewater with light pollutant content, the treated clean water can be recycled or discharged in compliance with standards, and combined with biochemical treatment technology, it can be completely treated in compliance with standards.
Untreated sewage first enters the aeration zone and is fully mixed with microbubbles. The microbubbles carry solid suspended solids to the water surface during their ascent. The scraper runs along the liquid surface to scrape the suspended solids onto a tilted metal plate, and then pushes them into the sludge discharge pipe trough. They flow into the sludge collector through the sludge discharge pipe trough, with a scraper power of only 0.5 kW. After sewage purification, it will pass through the overflow tank under the inclined plate before discharge. The overflow tank is used to control the water level of the air flotation tank, ensuring that the liquid in the tank does not flow into the sludge discharge pipeline. The open throat flow pipeline extends from the aeration section along the bottom of the air flotation tank. At the same time as generating microbubbles, the vortex concave aerator forms a negative pressure zone at the bottom of the tank with a return pipe. This negative pressure effect causes wastewater to flow back from the bottom of the tank to the aeration zone, and then return to the air flotation section. This process ensures that air flotation continues without any inflow. The processing capacity of this equipment is 5-500m/hour, and the processing cost is around 0.3 yuan/ton of wastewater.
Product characteristics of vortex concave air flotation machine:
1. The vortex concave air flotation machine has the advantages of low investment, low energy consumption, automatic slag removal without noise, and convenient operation and management.
2. Mainly remove the vast majority of insoluble and floating SS and sinking SS in sewage.
3. Compared with traditional pressurized dissolved air flotation systems in China, it eliminates equipment such as dissolved air tanks, air compressors, and high-pressure water pumps, and consumes 1/8-1/10 of the energy of conventional air flotation.
4. This system is capable of removing oil, gel like substances, and fiber suspended solids from wastewater, reducing pollution levels such as BOD, COD, and SS, and significantly improving the color of water quality.
5. The vortex concave air flotation machine is easy to operate: the system is very easy to operate, without complex equipment, and the entire system consists of only two mechanical parts.
6. Low operating costs: The vortex concave air flotation system is very easy to operate without complex equipment, so the manual operation and maintenance workload is minimal, reducing labor and maintenance costs.
7. The vortex concave air flotation machine has significant treatment effects: the removal rate of petroleum and solid suspension exceeds 80%, and the removal rates of BOD and COD can reach over 60%, which can promote the oxidation of sulfides and reduce the sulfur content in wastewater.
Introduction to maintenance and upkeep methods for vortex concave air flotation machine:
1. Add fuel in a timely manner and promptly troubleshoot any malfunctions. The running in period of the machine is one month. At that time, the oil and impurities in the gearbox should be repeatedly washed clean, and then new oil should be added. The lubricating grease used is O # or OO # cycloidal reducer lubricating grease.
2. During the break in period, if the plastic chain becomes loose, it should be tightened in a timely manner to prevent the chain from climbing and damaging the scraper.
3. Lubricate the rolling bearings inside the bearing seats at the top and bottom of the aerator every six months. Take out the aerator, remove the sealing screws on the two bearing seats, add grease with a grease gun, seal with glass glue after adding enough, and replace the screws.
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