Simulation Study on Magnetic Field Characteristics of High Magnetic Field Intensity Permanent Magnet Magnetic Filter

Hong Guang Jiao; Peng Liu; Zhan Xu Tie

doi:10.4028/www.scientific.net/AMR.97-101.2622

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Simulation Study on Magnetic Field Characteristics of High Magnetic Field Intensity Permanent Magnet Magnetic Filter
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Simulation Study on Magnetic Field Characteristics...

Simulation Study on Magnetic Field Characteristics of High Magnetic Field Intensity Permanent Magnet Magnetic Filter

Abstract:

To solve the conflict between separation space and magnetic field intensity, an original magnetic circuit structure system of permanent magnet magnetic filter is designed by utilizing multi-dimensional magnet extrusion technologies, with multi-block NdFeB magnets of different structures and magnetization directions. The inside diameter of the ring magnets and ring soft iron is taken as separating space. To inspect the distribution of the magnetic field characteristics of magnetic circuit system, mathematical model is established, and the designed magnetic circuit system is simulated, taking advantage of the electromagnetic software Magnet. The simulation results show that a larger separating space and higher background magnetic density can be achieved simultaneously by means of the organic magnetic circuit system design, when the thickness of ring soft iron is 4mm and the diameter ratio (outside diameter to the diameter) of ring magnets is 10/3. The highest magnetic induction intensity of 29.2 mm separating space is 1.5T, which provides the basis for permanent magnet magnetic circuit design.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

2622-2627

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.2622

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Online since:

March 2010

Authors:

Hong Guang Jiao, Peng Liu, Zhan Xu Tie

Keywords:

Magnet Simulation, Magnetic Circuit System, Magnetic Field Characteristic, Mathematical Models, Permanent Magnet

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