Magnetite Processing and Magnetic Field Analysis of Iron Ore Core Inductor in Iron Grade Sensor

Abstract:

In order to realize the online monitoring for iron grade of the magnetite during the dressing process, an iron grade fast measurement method based on electromagnetic induction is given, critical segment of the method is to make the iron grade information acquisition by adopting an iron ore core inductance sensor. Magnetic field analysis for iron ore core inductors of the sensor is explored in the paper. Taking a magnetite in certain regions of Liaoning as the test typical sample examples, physicochemical properties of its raw ore are analyzed, the iron ore samples are prepared and made, and the dressing process are completed. Ferromagnetics features of the magnetite samples above is analyzed, magnetic field distribution of the iron ore core inductor is analyzed, and analytic calculation formula of the magnetic fields is derived. Theory of solving the inductance of iron ore core inductor adopting finite element method of energy is discussed. Furthermore, total finite element design for the iron ore core inductor is made; distribution of electromagnetic field is analyzed. Influence regulations of self-inductance coefficients of the inductor are obtained, thus, the optimal combination of structural parameters of the inductor are designed. There is important practical significance to realize the iron grade testing automation for magnetite and other iron ores of the thesis research above.

• Periodical: Applied Mechanics and Materials (Volumes 687-691)
• Pages: 4405-4410
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.687-691.4405
• Online since: November 2014
• Authors: Li Jie Wang, Jian Xin Li, Lian Kui Sun, Fu Jun Zhang, Xiu Kun Yang
• Keywords: Grade, Inductor, Iron Ore Core, Magnetic Field Analysis, Magnetite

References

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