dissolved air flotation unit is a solid-liquid separation equipment commonly used in the sewage treatment industry. It can effectively remove suspended solids, grease and colloidal substances in sewage. It is the main equipment for sewage pretreatment.

Structural features:

The main body of the equipment is a rectangular steel structure. The main components are dissolved air pump, air compressor, dissolved air tank, rectangular box, air flotation system, mud scraping system, etc.

1. The bubbles generated by the dissolved air tank are small, with a particle size of 20-40 μm, and the flocs are firmly attached, which can achieve a good air flotation effect.

2. The amount of flocculant is small, which reduces the cost.

3. The operating procedures are easy to master, the water quality and quantity are easy to control, and the management is simple.

4. The backwash system is adopted, and the releaser is not easy to be blocked.

Materials and Properties:

Dissolved air flotation is suitable for treating water with low turbidity, high color, high organic content, low oil content, low surfactant content or algae-rich water. Compared with other air flotation methods, it has the advantages of high hydraulic load and compact tank.

Application areas:

1. Living area and villa

2. Hotels, canteens and bathing centers

3. Small and medium factories

4. Hospitals and small and medium-sized medical institutions

5. Stations, airports, docks and business districts

6. Other places with higher requirements on site and environment

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