A HC test unit was available at Exxaro Ramp;D for test work. Both spirals are supplied by Downer EDI. The two test spiral concentrators were fitted with a
MD Spiral concentrator for continuous separation of heavy minerals. This test unit collected nearly 100% of the heavy minerals without much tuning. I did hav...5 min 52.8K
Outotec spiral concentrators are used in most applications, particularly for concentrating low grade ores. Manufactured from lightweight, corrosion and abrasion resistant materials, our spirals require minimal maintenance and upkeep. Gives you an effective and low cost solution for gravity separation. Reduces maintenance with a durable design.
Tailing discharges from lower end of spiral. A full size spiral is used for laboratory testing. Two arrangements are suggested for test work. In the closed circuit test unit illustrated, although a full size spiral is used, as little as 20 pounds of material will indicate the possibility of spiral concentration in a batch test.
Request Pricing amp; Info. Spirals in coal processing are high capacity, lightweight fiberglass construction, use no power, use no reagents and effectively remove pyrites from coal. Most spirals are available in single start, double start or triple start versions, giving two or three times the capacity for the same floor space.