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Advection dissolved air flotation machine
First, TPF dissolved gas flotation machine Introduction
Dissolved air flotation technology in recent years is widely used in water supply and drainage and waste water treatment, it can be difficult to effectively remove waste water precipitated floc frivolous. Large capacity, high efficiency, small footprint, using a wide range. It is widely used in petroleum, chemical, printing and dyeing, paper making, oil refining, leather, iron and steel, machinery processing, sedimentation, sewage treatment and other food.
Second, the product images
Third, the principle
Part water after treatment (design target of 20-40%, can usually be 30%), work by flotation circulation pump, a pressurized gas cylinder into the water-soluble mixed with air, the air is dissolved into the water, then the efficiency of dissolved air ? 80% or more; dissolved gas cylinders air controlled by the level control instrument air compressor, automatic cloth rushed dissolved gas tank; dissolved gas cylinders out of the dissolved gas and water, then the pressure of dissolved gas cylinders 0.3 0.4Mpa, after the release, a dissolved gas and water pressure is reduced so that the release of dissolved air water pressure is reduced to zero or negative, the air dissolved in the water released from the water to form a particle size of 20-50μm microbubbles, microbubbles sewage with suspended solids, part microbubbles directly grown in suspension, making the proportion of suspended solids in the sewage becomes small, floating on the water until the surface; forming a large number of government residue, and then there are pools installed flotation chain scraper foam machine, remove the scum; flotation tank bottom water, after water pipe, into the flotation clean water tank, except as part of the reflux water containing dissolved gas, but can be directly discharged after primary treatment or outward into the device.
Fourth, specifications and technical parameters