The effect of flotation foaming on the sorting effect.

The mineral flotation mainly relies on the slurry gate of the flotation machine to adjust the thickness of the slurry layer and control the thickness of the foam layer and the amount of foam scraping. The operator can appropriately adjust and use it as an emergency means to deal with various drastic changes.

However, adjusting the slurry gate does not eliminate the factors that cause a variety of drastic changes.

In operation, blind adjustments will destroy the stability of the flotation process.

In fact, the factors affecting the change in scraping amount are various. If it is the change of pulp concentration and fineness, it should be contacted with the grinding grader in time; if the dosage is improper, the dosage should be adjusted in time. Only when an abnormal situation such as slurry overflow or a sharp drop in the surface of the ore is directly affected and directly affects the flotation process index, the slurry gate can be used for immediate and substantial adjustment. When adjusting the slurry gate, it should generally be adjusted from the tail to the front, so that the amount of slurry can be kept relatively stable and the impact on the next operation should be minimized.

If the amount of flotation machine is changed due to sudden changes in the graded overflow, in order to eliminate the abnormality as soon as possible, the adjustment should be started from the head of the flotation tank. It is important to observe the thickness of the foam layer and the amount of scraping from the concentrate production tank and the tanks before the rough selection. Because a large number of useful minerals are concentrated in these flotation cells, their flotation phenomenon and foam mineralization are generally more significant in response to changes in process factors.

Therefore, mastering the operation of these tanks is the key to obtaining a high index of the entire flotation process. Flotation of the actual situation by decreasing the amount of the metal, the amount of foam should be scraped off is sequentially reduced.

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