Conference Proceedings
Iron Ore 2021
Conference Proceedings
Iron Ore 2021
Efficiency improvement of iron beneficiation plant by special fine particle separator
Dry magnet separators are used to upgrade and beneficiate a wide variety of minerals such as hematite and magnetite materials. In recent years advances in dry magnetic separators have improved their performance. Fine particle separation is one of the main areas which still remain weak. This paper will present a new design of fine particle drum separators which used for particle size less than 3 mm. A big problem in processing of iron ore is the grade and recovery of mineral values in the fines fraction. The new design high efficiency drum separator is developed to handle fine feeds. In this drum separators both of the drum shell and magnetic yoke rotate in opposite direction. the results showed that when the material feed size was 𝐾 = 1298 μm, drum shell speed was 42.5 rev/min, magnetic yoke speed was 100 rev/min and the maximum intensity of magnetic field was at 𝜃 = 30° the feed grade increased from 50.87 to 65.67 in concentrate box, increase to 60.45 in middle box and tail grade was 24.44. The total achieved recovery for both concentrate and middle box was 81.89 per cent.
Contributor(s):
M Lak, A Haratian, S Haji, R Amiri, M Asghari
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- Published: 2021
- Pages: 15
- PDF Size: 1.467 Mb.
- Unique ID: P-01663-P7C8Q7