The air flotation machine creates a lot of tiny bubbles in the water. The tiny bubbles adhere to the fine floating particles in the wastewater, and produce a "bubble-particulate matter" molecular chaperone whose overall relative density is lower than that of water. The floating particles are accompanied by the bubbles. Produces foam or sludge, which separates suspended solids from the water.

1. Be sure to create a sufficient number of tiny bubbles in the water;

2. Make sure that air bubbles can adhere to air pollutants and produce insoluble solid floating bodies.

3. The smaller the bubble diameter, the higher the particle size distribution, and the greater the adhesion work ability and adhesion amount for small floating particles. Practical experience has proved that only when the diameter of the bubbles is below 100 μm can the suspended solids adhere very well.

4. The relative density of bubbles refers to the number of micro-bubbles contained in the degassing water of the enterprise volume, which determines the probability of the collision between the bubbles and the floating particles. The higher the relative density of bubbles, the higher the probability of collision with floating particles.

5. The uniformity of bubbles has two meanings. One is the difference between the diameters of the larger bubbles and the smallest bubbles; the other is the proportion of small-diameter bubbles in the total production of bubbles. The increase of the total number of large bubbles will lead to two bad hazards: first, the relative density and area of the bubbles will be greatly reduced, and the adhesion characteristics and amount of the bubbles and floating particles will be relatively reduced; the second is that the increase of the large bubbles will lead to strong hydropower generation. The oscillation not only aggravates the merger of enterprises in the middle of the bubbles, but also causes the impact force of the inertial force to smash the bubbles that have already adhered to the suspended solids, reducing the high efficiency of air flotation.

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