| Customization: | Available |
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| Warranty: | 1 Year |
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Equipment Introduction
This flotation machine utilizes in-pump pressurized mixing, simultaneously drawing in water and air. It generates fine microbubbles with a diameter of 25-40 microns, eliminating the need for a return pump, air compressor, ejector, or dissolved air tank, simplifying the design. The automatic gas-liquid separation tank features a self-regulating dissolved air system with stable performance. The system can be adjusted within "one minute" and allows for frequent start-ups and shutdowns without the need for re-tuning.
Process Principle
The aeration section of this equipment is completed by a gas-liquid mixing pump. After treatment, clean water is recirculated to the gas-liquid mixing pump.
When the pump draws in liquid, a certain negative pressure is formed at the pump's inlet, causing air to be drawn in along with the liquid through the suction port.
The air is then dissolved into the liquid as it is sheared by the high-speed rotating pump impeller. By adjusting the operating conditions and the mixing ratio of gas and liquid, highly dispersed microbubbles can be obtained or the maximum air entrainment can be achieved.
Depending on the pump's specifications, the air content in the liquid can reach up to 30%. When this saturated (or even supersaturated) dissolved air water enters the Nicconi tank and is stabilized for a certain period, it is then rapidly depressurized through the release device, releasing highly dense microbubbles with a diameter of 25-40 microns.
Untreated wastewater enters the flotation tank, where it fully mixes with the recirculated dissolved air water during the rising process and enters the flotation section.
The coagulated wastewater, after dosing, enters the flotation section where it mixes with these microbubbles. The microbubbles attach to the suspended solids and carry them to the surface of the water.
The suspended solids floating on the surface are continuously removed by a skimmer, which moves along the entire liquid surface, pushing the suspended solids from the inlet end of the flotation tank to the outlet end.
The skimmer's blades are fixed at both ends of a chain, and the skimmer is driven by a transmission system powered by a motor. The contaminants are scraped onto an inclined metal plate and then pushed into the scum discharge trough for removal.
The purified wastewater is discharged through the outlet pipe, which is equipped with a liquid level control device to adjust the height of the liquid level in the sedimentation scum area.
Application Scope
This machine is suitable for applications involving the separation of suspended solids, flocculent from coagulation reactions, and oil-water separation in industries such as municipal, papermaking, chemical, beverage, dyeing, textile, refining, electroplating, food processing, slaughtering, and leather.
Founded in 2013, Shandong Zhong Qiao Enlightenment Environmental Protection Equipment Co., Ltd. is a high-tech enterprise that integrates technology research and development, project design, equipment manufacturing, engineering installation, commissioning, operation, and technical consulting services
The company mainly customizes high-end integrated sewage treatment equipment, air flotation machines, and non-standard sewage treatment equipment. The production workshop covers an area of 40,000 square meters and is equipped with large bending machines, shearing machines, rolling machines, laser cutting and blanking machines, automatic welding, and other production machinery.
| Processing parameter requirement | ||
Parameters/Index |
Inflow water quality mg/L(ppm) |
Outflow water requirement mg/L(ppm) |
| COD | ||
| BOD | ||
| TSS | ||
Ammonia nitrogen |
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E.coli |
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Others |
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Water flow |
m³/d |
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| On/Underground | If underground,pls indicate the depth | |
If integrated with control room |
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Appearance requirement |
Simple appearance, container appearance, Zhong qiao container appearance, please refer to our brochure for details | |
Voltage, HZ, Electric phase |
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Distance between regulating pool and equipment |
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Flange interface specifications |
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Special requirements |
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