Basic Operation of Flotation Dressing Process in Beneficiation Plant

Similar to other ores and minerals dressing methods, flotation dressing process also needs prepared jobs, that is, ores and minerals should be crushed, ground and classified, to meet the requirement of flotation concentration.

First, pulp adjustment and flotation reagents to join

Its purpose is to cause the difference of mineral surface properties, i.e., the change of the mineral surface wettability, adjust the selectivity of mineral surface, make some mineral particle can be attached to the gas full, and some is not attached to the bubble.

Second, with stirring and caused a lot of bubbles

With the help of flotation machine equipment of the air stirring effect, cause in the pulp air dispersion and the formation of a large number of bubbles, or in the air in the pulp to form micro full precipitation.

Third, the bubble mineralization

Ore grain to bubble selectively attached, this is the flotation process is the most basic behavior.

Four, mineralization foam layer formation and scrape

Mineralization bubble by flotation tank bottom up to pulp surface formation mineralization full foam layer, useful mineral enrichment to foam, scrape the become concentrate (middling) products. Instead of objective mineral remaining flotation tank inside, so as to achieve the purpose of separation. Usually flotation operation float mineral is useful mineral, the flotation process is called flotation, conversely, buoying mineral for gangue, call it reverse flotation (or called reverse flotation).

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