The Usage History Of Magnetic Separator
The usage history of magnetic separator
The usage history of magnetic separator
Since the 19th century, the magnetic separation process has been used for beneficiation. In the 1970s, the more economic magnetic separator was discovered. In addition, iron ore magnetic separation is used in many mineral processing.
Advantages of high strength magnetic separator: high strength magnet in the surface of cylinder, big magnetic wrap angle, stable magnetic strength and reliable driveline; it can significantly improve the ore grade.
High strength magnetic separator can be dedicated to refining limonite and hematite. Hongxing high strength magnetic separator can be used for separation low grade and weak magnetic limonite and hematite, and improve the grade of 3-7% at once; it solves perfectly the problem that low-grade limonite, hematite cannot be smelting and is difficult to sell. It can also produce considerable economic benefits, and is one investment little, getting effective fast project.
As a professional manufacture of wet type and dry type magnetic separator, permanent-magnet drum separator, concentrated magnetic separator, high strength magnetic separator, dehydration and shrinkage separator, our company has many years in the research and development of magnetic separator with reliable product quality and first-class service which is always your best choice.
magnetic characteristics of weak magnetic minerals: Magnetite can be used as a classic representative of strong magnetic minerals, it belongs to ferrous magnetic material; it have more complex magnetism due to its internal magnetic structure (namely Spontaneous magnetization over small area), the magnetic characteristics can be summed up in the following:
Magnetic strength and magnetized coefficient is very big, with the phenomenon of magnetic saturation, and can be saturated in the lower external magnetic field intensity.
There are curvilinear relationship between Magnetic strength, magnetized coefficient and the external magnetic field intensity, and magnetized coefficient is not a constant. Strength of minerals is in relevant with its properties, but also to the historical change of external magnetic field.
There are hysteresis of minerals, it still retain some residual magnetism when it deviate from magnetized materials; To remove residual magnetism, a reverse magnetic field should be added to completely remove the magnetic field intensity H, which is called coercive force
The magnetism change with temperature, there will exist the phenomenon of paramagnetism when the temperature is higher than the critical temperature-Curie and its internal magnetic structure is small.
The magnetism changes with the strength of magnetic field in the outside, but also with shape and size of its own particle and degree of oxidation.
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by: nicole
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