What are the three steps for inflating a flotation machine?

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The flotation machine mainly uses the mutual adhesion of mineral particles and bubbles to form concentrate foam, and ultimately achieves the purpose of mineral separation. During the flotation process, aerating the slurry is an important factor that determines the flotation effect. Generally, inflating the slurry in the flotation machine requires three processes, namely the generation of bubbles, the merger and dissolution of bubbles, and the rising and floating movement of bubbles to the slurry liquid surface.

Inflating the flotation machine includes three steps:

Step 1. Generation of bubbles

Flotation machine There are three ways to generate internal bubbles. The first method is to disperse the air flow into a large number of small bubbles through mechanical stirring. The second method is that air passes through the small holes of the porous medium to form bubbles. It is mainly suitable for press-in flotation machines, such as flotation columns. The third method is to control the pressure through the solubility of gas in water. When the pressure is reduced, the dissolved gas will form tiny bubbles and precipitate from the solution.

Step 2, merger and dissolution of bubbles

The degree of aeration of the slurry is affected by many factors, not only the aeration and dispersion process, in which the merger and dissolution of bubbles are also very important factors. Generally, the merger of bubbles will increase the diameter of the bubbles, causing the bubbles to be unstable and easy to burst, reducing the specific surface area of the bubbles and minerals, and affecting mineral flotation. The solubility of bubbles will cause the bubbles to disappear and affect the formation of bubbles.

Step 3. The rising and floating movement of bubbles

Generally, bubbles rise in a zigzag manner in the slurry, and will be affected by many factors during the rise. The influence of factors, such as the characteristics of the material, the concentration of the slurry, the size of the mineral particles, etc.; different minerals require detailed investigation and analysis to achieve the best flotation effect.

The above are the three main steps of bubble generation in a flotation machine. If the bubbles are generated well, errors in any link will affect the final flotation effect of the flotation machine. It is recommended to use the flotation machine before using it. , be sure to operate in accordance with the equipment instructions and strictly require bubble generation.