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Title:
MAGNETIC SEPARATOR, MAGNETIC SEPARATION METHOD, AND METHOD FOR MANUFACTURING IRON SOURCE
Document Type and Number:
WIPO Patent Application WO/2017/094039
Kind Code:
A1
Abstract:
Provided is a magnetic separator that can efficiently and at a low cost perform magnetic sorting on ferromagnetic particles from powder and granular material even when the powder and granular material that includes the ferromagnetic particles is processed in a large volume and when the layer of powder and granular material supplied is thick, and further can resolve problems of ferromagnetic particle adherence peculiar to conveyor belt type magnetic separators. The magnetic separator has a pair of guide rolls 2, 3 and a conveyor belt 1 that is stretched across the pair of rolls and transports the powder and granular material that includes the ferromagnetic particles. Either one of the guide rolls is a hollow roll, and in the hollow part thereof, has a magnetic roll 20 whereon are disposed a plurality of magnets 4 along the inner peripheral surface of the guide roll sequentially in the circumferential direction with a space therebetween such that different magnetic poles alternate. The magnetic separator is provided with a shielding wall 5 for shielding magnetic lines of force from the magnets by covering a circular arc region on the outer peripheral surface of the one guide roll except for a circular arc region whereon the conveyor belt is wrapped.

Inventors:
ISHIDA, Kyohei (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
TAKAKI, Yuki (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
Application Number:
JP2015/005947
Publication Date:
June 08, 2017
Filing Date:
November 30, 2015
Export Citation:
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Assignee:
JFE STEEL CORPORATION (2-3 Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo, 11, 〒1000011, JP)
International Classes:
B03C1/18; B03C1/00; B03C1/22
Attorney, Agent or Firm:
SUGIMURA, Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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