The SF flotation machine is a commonly used self-suction mechanical stirring flotation device in mineral processing technology. Featuring a simple structure, low energy consumption and wide adaptability, it is widely applied in the roughing, scavenging and cleaning operations of metallic and non-metallic ores, serving as the core separation equipment for medium and small-scale mineral processing production lines.
The equipment is mainly composed of a tank body, stirring and aerating mechanism, pulp circulating mechanism, froth scraping mechanism and transmission system. Its core components are made of wear-resistant materials without complex auxiliary supporting facilities. During operation, the rotating impeller generates negative pressure to automatically suck in air and pulp. The double-sided blades form an upper and lower double-circulation flow field, which fully shears and mixes pulp, reagents and air to produce a large number of fine and uniform bubbles. Hydrophobic mineral particles adhere to bubbles to form mineralized bubbles that float upward and aggregate into froth concentrates, which are scraped out by the scraper. Gangue impurities are discharged with the pulp to realize efficient mineral separation.
Compared with traditional flotation equipment,
the flotation machine requires no external air blowing and pulp suction equipment, greatly reducing operation and maintenance costs as well as energy consumption. The double-circulation structure effectively prevents sand deposition at the tank bottom, improves the suspension effect of coarse-grained minerals, and significantly increases mineral recovery rate. With stable operation and low failure rate, the machine allows flexible adjustment of liquid level and froth scraping speed according to ore properties, suitable for the separation of various minerals such as copper, lead, zinc, gold and fluorite.
In actual production, regular inspection of the wear condition of impellers and cover plates, keeping unobstructed air passages and circulation holes, and adopting reasonable reagent systems and operating parameters can ensure the long-term and efficient operation of the equipment and effectively improve the comprehensive utilization rate of mineral resources.
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