(2) Process of mineral processing principle The choice of diamond beneficiation process mainly depends on the nature of the ore and the scale of the ore dressing plant. A reasonable beneficiation process should meet the following basic requirements: to protect the diamond crystals from damage, to minimize the damage; to select the upper and lower limits of the particle size; to obtain the highest recovery rate; to recover the useful associated minerals as much as possible.
Rough selection principle process: The raw ore adopts self-grinding process in crushing grinding, which can simplify the process, save capital investment and reduce production cost. The rough selection process of diamond sand ore is simpler than the original ore, no need to crush or grind, only Need to wash, sift, de-sludge, you can enter the rough selection.
Featured Principle Process: The diamond ore selection process, the primary ore is basically the same as the sand mine. Generally, the coarse fraction is treated by X-photovoltaic, ointment selection, selective grinding and sieving, hand selection, etc.; medium-grained stage adopts surface flotation, magnetic separation, electric selection, selective grinding and sieving, etc. Treatment; fine fractions of less than 1 mm are treated by chemical treatment, froth flotation, magnetohydrostatic separation, heavy liquid selection, and the like.
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