How to observe flotation foam
During the flotation beneficiation operation, the color of the foam, the thickness of the foam, and the change of the sound of the foamed foam are important for judging the selectivity of the ore and other process conditions. Therefore, special attention should be paid to the observation of the foam during the flotation operation. .
The observation of the foam color of the flotation machine sweeping selection area and the selected area can judge the tailing grade and the concentrate grade to be low and high according to the second.
The last row of the foam surface is generally metallic luster color shallow best described structured mineral separation; dead flotation tank with a gloss foam flotation reagents described and other process conditions adjusted properly, facilitate tail The mine is lowered.
It is difficult to judge the high and low grades of the concentrates for flotation. It is only good to control the foam layer of the selected tanks above 200_300mm. It is strictly forbidden to select the operation to scrape the slurry into the concentrate products. Conducive to obtaining high-grade concentrate products.
During the flotation operation, it is necessary to diligently observe the color of the foam, the thickness of the foam and the change of the sound of the scraped foam. It is also an inspection method for judging whether the ore selectivity and the difference and other process conditions are suitable.
During the ore sorting process, the rough selection operation mainly checks whether the foam is heavy, whether the foam layer is thick, whether the foam size is relatively uniform, whether the first groove to the least groove, the thickness of the foam has obvious changes; the foam scrapes into the foam groove. Whether it is sizzling or not, in order to judge the indicators better.
If the foam layer in the rough selection tank is thin, the number of foams is small and large, the change in the color of the foam is not obvious, and the foam in the flotation machine is turned into a slurry, and the foam scraped off from the liquid surface is filled with the slurry into the foam tank to make a sound. The flotation indicator is definitely worse.
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