First let's talk about the froth flotation method. This is the use of meteorite minerals with less hygroscopic characteristics for sorting. When the flotation is added, the collector is selectively surrounded on the surface of the feldspar granule. The particles of the surface-treated expanded vermiculite adhere to the scum and can quickly float on the surface of the slurry and then flow into the surface. In the slot. The other impurities are left in the flotation machine because they are not surrounded by the surface active material. The flotation collector of the flotation gangue mine is long-chain ammonia, and the filler is pine oil.
Boiling separation
The separator used in the boiling separation method is constituted by a porous bottom plate provided in a closed chamber. The air is blown through the perforated plate, and the dried and sifted expanded vermiculite material is sent to the perforated plate of the closed chamber, and the material has a pseudo liquid state and moves in a boiling state due to the action of the air flow. At different heights of the ends of the closed chamber, due to the relationship between the airflow resistance and the specific gravity of the material, the material is separated and opened as a tailings in the lower part of the flash layer, and the upper part of the layer is the selected vermiculite. This method is simple and can fully guarantee the quality of mineral processing , and is a promising beneficiation method.
Of course, it is simple to judge which method is good and which method is not good. This is somewhat general. We should choose the appropriate beneficiation method according to the specific situation. There is no best, suitable, expansion. Stone selection of raw ore is no exception.
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