MATEC Web Conf.
Volume 297, 2019X International Scientific and Practical Conference “Innovations in Mechanical Engineering” (ISPCIME-2019)
|Number of page(s)||6|
|Section||Nanotechnologies and Materials Science in Mechanical Engineering|
|Published online||13 November 2019|
Selection of Non-Magnetic Fraction from the Slime Wastes of Metal Production in the Electromagnetic Field
Don State Technical University, 344000, Russia, Rostov-on-Don, DSTU, 1 Gagarin Sq.
It is proved that the use of a variable inhomogeneous magnetic field, created by the superposition of constant and variable, strongly inhomogeneous fields, is considered to be very promising for the separation of non-magnetic fraction from powders of magnetic materials. This article introduces the effective technology of separation of non-magnetic fraction from the sludge wastes of metal production in the electromagnetic field, which allows to destroy the aggregates, to separate the abrasive and to get products of high purity. A complex on processing of grinding sludge includes the following blocks: the loading block with dispenser; block of preliminary squeezing and washing of DRC; the block of drying; the block of a refinement; the block of division of sludge fractions. Experimental approbation of the proposed technological scheme of sludge separation, which had been carried out on iron ore concentrate of class 63 microns with silica content of 4.57% of the mass, showed that with the field parameters close to the calculated, the magnetic vibrating layer of iron powder PZh-4M has the maximum development; increasing the separation time leads to more efficient separation in the interval of field induction gradient from 550 mT/ m to 610 mT/m.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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