The main equipment for gravity flotation is a modified shaker. The main transformation is the bed structure and the addition of an inflatable tube on the bed.
The bed surface structure is modified by adding a small auxiliary bed surface above the ordinary shaker bed surface, the inclination angle is 11°~12° larger than that of the ordinary shaker bed surface, and adding a plurality of inclined bed strips on the ordinary shaker bed surface. As shown in FIG. When the inflated slurry flows along the auxiliary bed surface to the sorting bed surface, turbulent flow is generated, causing a large agitation, bringing in more air, so that the ore particles which have formed the flocculation from the agitation tank are formed, and then mixed. More small bubbles form a lighter and larger floc, float on the surface of the sorting bed, and are discharged along the slope from the original side of the shaker. The gangue is discharged from the original side of the shaker. . The inclined bed strips added on the bed surface, in addition to stirring the water flow, bring more air into the pulp, and also extend the sorting time of the hydrophilic gangue, so that the useful minerals mixed in the gangue have the opportunity to get rid of the gangue particles. Skirt, float up and enter the floe.
Add an inflatable tube, which is above the auxiliary bed surface. The goal is to continuously inflate the slurry to increase the number of hollow bubbles in the slurry.
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