NDLI: A superconducting magnetic separator with magnetically balanced matrix

Content Provider	IEEE Xplore Digital Library
Author	Male, S.E. Lal, D.
Copyright Year	1965
Abstract	In a magnetic separator, the field gradients around magnetized fibers (the matrix) are used to capture particles. To remove the particles from the fibers the background magnetic field must be reduced to zero. The large superconducting magnets which are used to produce the background field cannot be de-energized quickly. As the separator is fully loaded in approximately 1000 s, a way was sought to reduce the cleaning time significantly. It is reported that cleaning time was reduced by balancing the magnetic forces (which hold the matrix in the magnetic field) with a counter force generated by subsidiary coils attached to the matrix. The position of the matrix is then determined by the magnitude and direction of the current in the subsidiary coils. Theoretical and initial experimental results are presented indicating that removal times of less than 5 s can be achieved, which is sufficient to give reasonable cycle times for dry coal desulphurization when the magnetic separator is part of the milling circuit.<>
Sponsorship	IEEE Magnetics Society
Starting Page	753
Ending Page	756
Page Count	4
File Size	317335
File Format	PDF
ISSN	00189464
Volume Number	24
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic separation Superconducting magnets Particle separators Magnetic fields Cleaning Coils Magnetic forces Counting circuits Milling Magnetic circuits
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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