The width of the magnetic system determines the width of the ore, which determines the processing capacity of the magnetic separator. Since the equipment is in the experimental stage, the miniaturization is easy to adjust and correct, so the magnetic system width is determined to be 240 mm from the viewpoint of less influence of processing factor.
9.5.2 Utilization of subeconomic iron ores. As magnetic separators progress toward larger capacity, higher efficiency, and lower operating costs, some subeconomic iron ores have been utilized in recent years. For example, magnetite iron ore containing only about 4% Fe to 15% Fe and oxidized iron ore of only about 10% Fe to 20% Fe are reported to be utilized.
The cross belt separator and disc separators once widely used in the mineral sands industry, particularly for recovering ilmenite from heavy mineral concentrates, are now considered obsolete. They are being replaced with rare earth roll magnetic separators and rare earth drum magnetic separators. figure 4 Cross belt separator. Rare earth roll separators use alternate magnetic and non magnetic laminations.
Lower grade sources of iron ore generally require beneficiation, using techniques like crushing, milling, gravity or heavy media separation, screening, and silica froth flotation to improve the concentration of the ore and remove impurities. The results, high quality fine ore powders, are known as fines.
Magnetic Separation and Iron Ore Beneficiation. Magnetic separation is an old technique for the concentration of iron ores and for the removal of tramp iron. Since 1849, a number of patents on magnetic separation have been issued in USA, and texts of some of the patents before 1910 describe a variety of magnetic separators for mineral processing.
magnetic and heavyJiquid separation and hand picking. Powders were sieved to less than 200 mesh and homog enized before dissolution. Two whole rock samples ofwall zone were powdered from 5 kg ofrock. A sample of the wall zone, 43 1, was produced by homog enization of approximately 100 kg of rock.
ogical analysis. These magnetic separates are the same separates that would be produced by using a Frantz Isodynamic Separator set at a slope of 15° and a tilt of 10° with a current of 0.2 ampere to remove the magnetite and ilmenite, and a current of 0.6 ampere to split the remainder of the sample into paramagnetic and nonmagnetic fractions.
Posts about mill door written by goldcrusher. magnetic separators Our company specialized in producing all kinds of ore processing and mining equipment, including gold, all kinds of iron ore, copper, crusher, milling machines, screening equipment, etc.
June 10, 2020
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