Among the ore dressing methods, the re-election method and the flotation method occupy the main position, and sometimes the method of hand selection is used, but the efficiency of hand selection is low, the labor intensity of workers is large, and the ore beneficiation of low-grade fine-grained inlays is also better. The limitation is large. Therefore, in the ore dressing method of strontium ore, the re-election method is mainly the preferred method for coarse-grained ore-bearing ore dressing. For the ore dressing of low-grade antimony ore, the re-election method is also often used as rough selection for raw ore. Pre-enrichment is carried out, and a re-election-flotation combined process is adopted to obtain the best beneficiation effect and beneficiation economic index. The process is suitable for the beneficiation of strontium sulfide ore with uniform thickness and low density, and can also be used for beneficiation of strontium ore after removal of the flotation process. The specific process needs to be designed according to the nature and characteristics of the ore. The general process flow is universal. The specific beneficiation process also requires the customer to provide the antimony sample to determine the best beneficiation process. The following is the process flow chart: The process includes hand selection, re-election, flotation and other mineral processing methods to achieve the best beneficiation effect. Firstly, the raw ore is coarsely broken, and the ore larger than 30 mm after entering the vibrating screen is entered into the hand selection process. Out of the coarse-grained strontium ore, the ore less than 30mm merges with the hand-selected tailings into the medium-crushing process, and the smashed ore after the crushing enters the jig re-election process, which obtains the coarse-grained mixed cerium concentrate and the tailings enters The rod mill grinds and mines and then enters the jig sorting. The process obtains fine-grained mixed concentrate, and the tailings enters the ball mill for fine grinding to meet the next flotation process. The flotation tailings are sorted by a shaker to further recover the cerium oxide in the cerium ore.
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Low-grade antimony ore re-election-flotation process