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Introduction
Shallow flotation is an advanced rapid flotation system. On the basis of traditional flotation theory, it successfully applies the "shallow theory" and "zero speed" principles. The main body of the equipment consists of a tank body, a rotating water distribution mechanism, a dissolved air release mechanism, a frame mechanism, and a water collection mechanism. High-efficiency shallow flotation When the raw water enters the mixing reactor, coagulants and flocculants are added to the pipeline mixing reactor to form separable floccules, and the tiny bubbles (bubble diameter range 5-10um) released by the dissolved air release mechanism are mixed. These tiny bubbles adhere to the flocs in the sewage to form a floating body with a specific gravity less than water. The floating body rises to the water surface and condenses into floating oil (or floating scum), which is scraped to the oil (scum) collection tank by the oil (scum) scraper.
Product Features
The effective water depth is relatively shallow, 750~950mm.
The hydraulic retention time in the pool is short (5~10min).
The purification capacity is large, that is, the surface load is high.
The area is small, the unit load is light, all prefabricated components are assembled, no operation room is needed, and the equipment can be installed overhead or combined in multiple layers.
The cost of installation and maintenance is low, and it is easy to clean.
The degree of purification is high, the removal rate of suspended matter such as algae is more than 90%, and the concentration of sludge after concentration is 35%.
The device adopts WFA type dissolved air system, which is ingenious in structure and has a dissolved air efficiency of more than 90%. It has a number of patented technologies and has a super anti-blocking ability that other dissolved air devices do not have.
Structure And Working Process
Shallow Air floatation Wastewater System separation technology means that air and water are dissolved into the water to a greater extent under a certain working pressure, and strive to be in a saturated state, and then the formed pressure dissolved gas water is released through decompression to produce a large number of fine bubbles , Full contact with the suspended flocs in the water, so that the suspended flocs in the water adhere to the microbubbles, float to the water surface with the bubbles, form scum and scrape off the scum, thereby purifying the water.
Technical Advantages
High Performance Shallow Dissolved Air Flotation is professionally developed and produced by Wanchuan Environmental Equipment. It has a high degree of purification and a suspended solids removal rate of more than 98%.
Air floatation machine is lightweight, compact, easy to transport and install, and has low power consumption.
Short residence time, only 3-5 minutes, high efficiency.
Large surface load, large purification capacity.
This Shallow Air floatation Wastewater System uses the "zero speed" principle, forced water distribution, inlet and outlet water are static, and the disturbance of flocs in the water is minimized, and the scum is removed instantly, so the stability is higher.
Our shallow ion air flotation device uses the "shallow pool theory", the effective pool depth is only 730mm, and the footprint is small.
The use of efficient non-blocking release mechanism improves the utilization efficiency of dissolved air water and ensures the stability of the air flotation equipment.
The treatment effect is stable, and the electromechanical instrument realizes integrated control.
Application
This Shallow Air floatation Wastewater Treatment System is widely used in water supply and drainage treatment projects. First, it is used in water plants that use lakes as water sources to remove algae and reduce turbidity; second, it is used in industrial sewage treatment projects, such as petrochemical, textile, printing and dyeing, electroplating, tanning, food industry and other fields; third, it is used in Recycling of useful substances in sewage, such as: papermaking, fiber recycling in pulp water and other fields.
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